| 1 | import { runtimeReadyForSubmit, needsColdHistory, metaWithoutCanonicalTodos } from "./controllerHistoryMeta"; |
| 2 | export { runtimeReadyForSubmit } from "./controllerHistoryMeta"; |
| 3 | import { usageTotalTokens, mergeChatTurnUsage, measuredContextPromptTokens } from "./controllerTurnUsage"; |
| 4 | import { reduceCompactionEvent, reduceMaintenanceRuntimeSnapshot, reconcileMaintenanceState } from "./sessionMaintenanceReducer"; |
| 5 | import { isCompactSubmission } from "./sessionMaintenanceOperation"; |
| 6 | import { isShellToolName } from "./shellToolIdentity"; |
| 7 | // useController is the frontend's state machine over the agent event stream. It keeps |
| 8 | // per-tab output, tool state, and approvals while the user switches tabs; components |
| 9 | // render the active tab's state. |
| 10 | import { resetTurnTiming, confirmPendingUser, installTranscriptRecords, stampArrivingTurnId, startLocalSubmission, submissionBindingCurrent } from "./submissionReducer"; |
| 11 | import { runtimeStatusSnapshotIsStale } from "./runtimeStatusFreshness"; |
| 12 | import { useRuntimeSession } from "./useRuntimeState"; |
| 13 | import { acceptSessionRuntimeSnapshot, type RuntimeState } from "./runtimeStateStore"; |
| 14 | import { useCallback, useEffect, useMemo, useRef, useState } from "react"; |
| 15 | import { asArray } from "./array"; |
| 16 | import { createControllerModelCommands } from "./controllerModelCommands"; |
| 17 | import { compactArchivedToolItems } from "./archivedToolItems"; |
| 18 | import { addBreadcrumb } from "./breadcrumbs"; |
| 19 | import { desktopHost } from "./desktopHost"; |
| 20 | import { app, onEvent, onReady, onRuntimeRebuilt, onTabMeta, onTopicActivation } from "./bridge"; |
| 21 | import { startControllerEventRecovery } from "./controllerEventRecovery"; |
| 22 | import { metaFromTab } from "./controllerTabMeta"; |
| 23 | import { outputQuarters, tokensFromQuarters, unbilledOutputTokens, type TurnRateSample } from "./turnMetrics"; |
| 24 | import { beginTurnModelActivity, endTurnModelActivity, sampleTurnArguments } from "./turnRateSample"; |
| 25 | import { normalizeToolApprovalMode } from "./types"; |
| 26 | export { metaFromTab } from "./controllerTabMeta"; |
| 27 | import { invalidateCache } from "./composerHistory"; |
| 28 | import { formatInboxCancelError, isPermissionSessionChanged } from "./inboxError"; |
| 29 | import type { MessageActionScope, MessageActionState } from "./messageActions"; |
| 30 | import { mergeRateBand, type AggregatedRateBand } from "./costRateBand"; |
| 31 | import { requestSessionCancel, type CancelOutcome } from "./inboxCancel"; |
| 32 | import { normalizeTurnSubmit, resolveActiveTurnId } from "./inboxSubmit"; |
| 33 | import { findTabAfterSubmitFailure, reduceManagementConfirmation, reduceSubmitFailure, reduceSubmitQueued, reduceSubmitUnknown } from "./turnSubmissionFailure"; |
| 34 | import { |
| 35 | checkpointLocalSubmission, |
| 36 | settleLocalSubmissions, |
| 37 | updateLocalSubmission, |
| 38 | canonicalUserConfirmations, |
| 39 | isUnknownSubmissionError, |
| 40 | type CanonicalUserConfirmation, |
| 41 | type LocalSubmission, |
| 42 | } from "./localSubmissionState"; |
| 43 | import { formatContextMaintenanceNotice, isNewMaintenanceOperation, rememberMaintenanceOperation } from "./contextMaintenanceTypes"; |
| 44 | import { formatGuardianAssessmentNotice } from "./guardianEvents"; |
| 45 | import { normalizeCompletionSummary } from "./completionSummary"; |
| 46 | import { withRunningChecks, withTurnResult } from "./completionResultState"; |
| 47 | import { applyTurnCheckpoint, historyMessagesToItems, historyPageItems } from "./historyItems"; |
| 48 | import { mergeTurnResult } from "./turnResult"; |
| 49 | import { invalidateSharedQuery } from "./queryCoalesce"; |
| 50 | import { replayPendingPromptsForActiveTab } from "./promptReplay"; |
| 51 | import { createRafBatch } from "./rafBatch"; |
| 52 | import { foregroundRunningFromRuntimeMeta, type RuntimeMetaSnapshot } from "./runtimeMeta"; |
| 53 | import { |
| 54 | aliasActivationRequest, |
| 55 | beginResumeHistory, |
| 56 | noteActivationRequested, |
| 57 | noteActivationSettled, |
| 58 | noteActivationStarted, |
| 59 | noteNavigationHistoryReadable, |
| 60 | noteNavigationHistoryRequested, |
| 61 | noteNavigationIdentityPublished, |
| 62 | noteNavigationRequested, |
| 63 | noteNavigationRuntimeReady, |
| 64 | noteTranscriptFollowSwitch, |
| 65 | } from "./sessionDiagnostics"; |
| 66 | import { applyLiveSegments, coalesceStreamDeltas, completeLiveReasoning, type StreamDeltaEntry, type StreamSegment } from "./streamDeltaBatch"; |
| 67 | import { assistantHasContent, ensureActiveAssistant, ensureAssistant, removeEmptyAssistantItems } from "./assistantItems"; |
| 68 | import { setTranscriptBindingIdentity } from "./canonicalTranscriptBackend"; |
| 69 | import { getTranscriptStore } from "./transcriptStore"; |
| 70 | import { isIsolatedStreamDelta, releaseCachedHistory } from "./transcriptMemory"; |
| 71 | import { TranscriptSessionFollower } from "./transcriptSessionFollower"; |
| 72 | import { historyReplaceAction, historyRevisionIsOlder } from "./sessionTranscriptMode"; |
| 73 | import { reconcileSessionOperationItems } from "./sessionMaintenanceOperation"; |
| 74 | import { matchingSnapshotItem, transcriptPageState, transcriptSnapshotState } from "./transcriptSnapshotState"; |
| 75 | import type { TranscriptSnapshot } from "./transcriptProtocol"; |
| 76 | import { applySteerEvent } from "./steerEvent"; |
| 77 | import { recordFrontendDiagnostic } from "./frontendDiagnosticBridge"; |
| 78 | import { uiPerfTracker } from "./uiPerf"; |
| 79 | import { getLocale, t } from "./i18n"; |
| 80 | import { |
| 81 | appendNoticeItem, |
| 82 | deliveryReadinessDetail, |
| 83 | errorMessage, |
| 84 | readinessMissingIds, |
| 85 | } from "./controllerNotices"; |
| 86 | import { applyReadStatusEvent, type ReadStatusHost } from "./readStatus"; |
| 87 | import { upsertReadPause } from "./readPause"; |
| 88 | import { applyHydrateErrorState, hydrateFailureDetail, hydratePlaceholderItems as resolveHydratePlaceholders } from "./hydrateErrorState"; |
| 89 | import { canAdoptUnboundLiveSurface, hasCachedLiveTurn, hasReusableCachedTranscript, sameSessionHydrateIdentity, sameSessionPlaceholderItems, type HydrateSurfacePolicy } from "./hydrateHistoryApply"; |
| 90 | import { useSessionCatalogActions } from "./useSessionCatalogActions"; |
| 91 | import { hydrateIdentityCurrent, sessionIdentityFields, sessionIdentityRoute, sessionIdentityStableKey, type SessionHydrationOptions } from "./sessionIdentity"; |
| 92 | import { loadHistoryWindow } from "./historyWindowController"; |
| 93 | import { useHistoryTurnNavigation } from "./useHistoryTurnNavigation"; |
| 94 | import { reduceHistoryWindowState } from "./historyWindowState"; |
| 95 | import { withRemoteProviderUnreachable, withRemoteTurnInterrupted } from "./remoteTurnState"; |
| 96 | import type { NavigationResult, SurfaceDataCommit, SurfaceDataOutcome } from "./navigationSurfaceTransition"; |
| 97 | import { sameTodoList } from "./todoVisibility"; |
| 98 | import type { InteractionKind, InteractionTarget } from "./interactionTarget"; |
| 99 | import { interactionTargetFromState, promptInstanceKeyForState, stateOwnsInteraction } from "./interactionOwnership"; |
| 100 | import { acceptsExtensionGeneration, applyExtensionForm, extensionSurfaceKey, type ExtensionFormState, type ExtensionNotificationEntry, type ExtensionStatusEntry } from "./extensionFormState"; |
| 101 | export { acceptsExtensionGeneration, type ExtensionFormState, type ExtensionStatusEntry } from "./extensionFormState"; |
| 102 | import { resolveSnapshotTurnStartedAt, resolveTurnStartedAt, snapshotPredatesTurnLifecycle } from "./turnTiming"; |
| 103 | import { useRemoteTabSwitch } from "./useRemoteTabSwitch"; |
| 104 | import { useNavigationIntentFence } from "./useNavigationIntentFence"; |
| 105 | import { useGoalControllerActions } from "./useGoalControllerActions"; |
| 106 | import type { SearchSource } from "./searchSources"; |
| 107 | import { attachWebSearchOutput } from "./searchTranscript"; |
| 108 | import { initialForkTurnState, reduceForkTurn, settleForkTurnForTab, type ForkTurnAction, type ForkTurnState } from "./forkTurn"; |
| 109 | import { createTurnBoundaryReads } from "./turnBoundaryReads"; |
| 110 | import { fileDiffFromWire, summarize, summarizeFileDiff, type ToolFileDiff } from "./tools"; |
| 111 | import type { QualityFloor } from "./types"; |
| 112 | import type { SessionClearResult } from "./historyTypes"; |
| 113 | import type { |
| 114 | BalanceInfo, |
| 115 | CheckpointMeta, |
| 116 | CollaborationMode, |
| 117 | ContextInfo, |
| 118 | DeliveryWorktreeOpenResult, |
| 119 | EffortInfo, |
| 120 | HistoryMessage, |
| 121 | HistoryPage, |
| 122 | JobView, |
| 123 | MemoryCitation, |
| 124 | MemoryView, |
| 125 | Meta, |
| 126 | Mode, |
| 127 | QuestionAnswer, |
| 128 | RewindResultView, |
| 129 | SessionMeta, |
| 130 | TabMeta, |
| 131 | ToolApprovalMode, |
| 132 | TopicActivationEvent, |
| 133 | WireApproval, |
| 134 | WireAsk, |
| 135 | WireMCPInteraction, |
| 136 | WireCompletionSummary, |
| 137 | WireDecisionReceipt, |
| 138 | WireEvent, |
| 139 | WireExtensionCard, |
| 140 | WireExtensionStatus, |
| 141 | WireExtensionSurface, |
| 142 | WireTool, |
| 143 | TurnUsage, |
| 144 | WireUsage, |
| 145 | WireShellExecution, |
| 146 | } from "./types"; |
| 147 | |
| 148 | function resolvePromptForSession(target: InteractionTarget, answer: Record<string, unknown>): Promise<void> { |
| 149 | return import("./exactPromptSubmit").then(({ resolvePromptForSession: submit }) => submit(app, target, answer)); |
| 150 | } |
| 151 | |
| 152 | export { foregroundRunningFromRuntimeMeta } from "./runtimeMeta"; |
| 153 | export { historyMessagesToItems, historyToolError, isReadOnlyTool } from "./historyItems"; |
| 154 | export { |
| 155 | deliveryReadinessDetail, |
| 156 | localizedBackendNoticeText, |
| 157 | localizedNoticeText, |
| 158 | quietTranscriptNoticeKey, |
| 159 | readinessMissingIds, |
| 160 | } from "./controllerNotices"; |
| 161 | export type ToolStatus = "running" | "done" | "error" | "stopped" | "unknown"; |
| 162 | // Reserved ToolProgress channel names for sub-agent progress previews (the Go |
| 163 | // tracker emits these; ordinary tool progress must never use them). |
| 164 | export const SUBAGENT_PROGRESS_STATUS = "reasonix.subagent.status"; |
| 165 | export const SUBAGENT_PROGRESS_REASONING = "reasonix.subagent.reasoning"; |
| 166 | export const SUBAGENT_PROGRESS_TEXT = "reasonix.subagent.text"; |
| 167 | export const SUBAGENT_PROGRESS_NOTICE = "reasonix.subagent.notice"; |
| 168 | // Reserved names are matched by prefix so a future channel never falls back |
| 169 | // to ordinary tool output on older frontends. |
| 170 | const SUBAGENT_PROGRESS_PREFIX = "reasonix.subagent."; |
| 171 | const SUBAGENT_PROGRESS_PHASES = new Set(["queued", "running", "reasoning", "responding", "tool", "retrying", "completed", "partial", "failed", "cancelled"]); |
| 172 | // Tool names that initialize a sub-agent progress card. parallel_tasks/fleet |
| 173 | // are group cards: they settle when their whole child progress tree is |
| 174 | // terminal, since they never receive a terminal status of their own. |
| 175 | const SUBAGENT_PROGRESS_TOOLS = new Set(["task", "read_only_task", "parallel_tasks", "fleet"]); |
| 176 | // Per-channel preview retention. The backend already bounds what it sends |
| 177 | // (8 KiB pending per child); these caps keep one hot card from dominating the |
| 178 | // live conversation memory. |
| 179 | const SUBAGENT_PREVIEW_REASONING_LIMIT = 8 << 10; |
| 180 | const SUBAGENT_PREVIEW_TEXT_LIMIT = 8 << 10; |
| 181 | const SUBAGENT_PREVIEW_NOTICE_LIMIT = 2 << 10; |
| 182 | const RUNTIME_STATUS_ONLY = { hydrateSessionData: false } as const; |
| 183 | export type SubagentPhase = "queued" | "running" | "reasoning" | "responding" | "tool" | "retrying" | "completed" | "partial" | "failed" | "cancelled"; |
| 184 | // In-memory-only sub-agent progress preview. Never persisted: history |
| 185 | // hydration rebuilds tool items from the transcript without these fields, and |
| 186 | // the full sub-agent transcript stays the source of truth after a restart. |
| 187 | export type SubagentProgress = { |
| 188 | phase: SubagentPhase; |
| 189 | reasoning: string; |
| 190 | text: string; |
| 191 | notice: string; |
| 192 | lastActivityAt: number; |
| 193 | truncated: boolean; |
| 194 | durationMs?: number; |
| 195 | startedAt: number; |
| 196 | }; |
| 197 | export function isSubagentProgressName(name: string | undefined): boolean { |
| 198 | return !!name && name.startsWith(SUBAGENT_PROGRESS_PREFIX); |
| 199 | } |
| 200 | export function isTerminalSubagentPhase(phase: string | undefined): boolean { |
| 201 | return phase === "completed" || phase === "partial" || phase === "failed" || phase === "cancelled"; |
| 202 | } |
| 203 | function isGroupSubagentTool(name: string): boolean { |
| 204 | return name === "parallel_tasks" || name === "fleet"; |
| 205 | } |
| 206 | function terminalStatusOf(phase: string): ToolStatus { |
| 207 | switch (phase) { |
| 208 | case "completed": return "done"; |
| 209 | case "partial": return "error"; |
| 210 | case "failed": return "error"; |
| 211 | case "cancelled": return "stopped"; |
| 212 | } |
| 213 | return "running"; |
| 214 | } |
| 215 | function freshSubagentProgress(): SubagentProgress { |
| 216 | const now = Date.now(); |
| 217 | return { phase: "running", reasoning: "", text: "", notice: "", lastActivityAt: now, truncated: false, startedAt: now }; |
| 218 | } |
| 219 | /** Keeps the most recent `limit` code points; surrogate pairs stay intact. */ |
| 220 | function tailPreview(text: string, limit: number): string { |
| 221 | if (text.length <= limit) return text; |
| 222 | const pts = Array.from(text); |
| 223 | return pts.slice(pts.length - limit).join(""); |
| 224 | } |
| 225 | // --- Sub-agent progress reducer helpers -------------------------------------- |
| 226 | // Applies one reserved ToolProgress event to the target card's in-memory |
| 227 | // preview. The card must exist and be dispatch-initialized; never writes |
| 228 | // tool.output, the parent LiveStream, or history data. |
| 229 | function applySubagentProgress(s: State, t: WireTool): State { |
| 230 | if (!t.id) return s; |
| 231 | const idx = s.items.findIndex((it) => it.kind === "tool" && it.id === t.id); |
| 232 | if (idx < 0) return s; |
| 233 | const next = [...s.items]; |
| 234 | const it = next[idx]; |
| 235 | if (it.kind !== "tool" || !it.subagentProgress) return s; |
| 236 | const sp: SubagentProgress = { ...it.subagentProgress, lastActivityAt: Date.now() }; |
| 237 | switch (t.name) { |
| 238 | case SUBAGENT_PROGRESS_STATUS: { |
| 239 | const phase = t.output ?? ""; |
| 240 | if (!SUBAGENT_PROGRESS_PHASES.has(phase)) return s; // unknown phase: ignore |
| 241 | sp.phase = phase as SubagentPhase; |
| 242 | if (isTerminalSubagentPhase(phase) && typeof t.durationMs === "number") sp.durationMs = t.durationMs; |
| 243 | break; |
| 244 | } |
| 245 | case SUBAGENT_PROGRESS_REASONING: |
| 246 | sp.reasoning = tailPreview(sp.reasoning + (t.output ?? ""), SUBAGENT_PREVIEW_REASONING_LIMIT); |
| 247 | sp.truncated = sp.truncated || !!t.truncated; |
| 248 | break; |
| 249 | case SUBAGENT_PROGRESS_TEXT: |
| 250 | sp.text = tailPreview(sp.text + (t.output ?? ""), SUBAGENT_PREVIEW_TEXT_LIMIT); |
| 251 | sp.truncated = sp.truncated || !!t.truncated; |
| 252 | break; |
| 253 | case SUBAGENT_PROGRESS_NOTICE: |
| 254 | sp.notice = tailPreview(sp.notice + (t.output ?? ""), SUBAGENT_PREVIEW_NOTICE_LIMIT); |
| 255 | sp.truncated = sp.truncated || !!t.truncated; |
| 256 | break; |
| 257 | default: |
| 258 | return s; |
| 259 | } |
| 260 | const status = isTerminalSubagentPhase(sp.phase) ? terminalStatusOf(sp.phase) : it.status; |
| 261 | next[idx] = { ...it, subagentProgress: sp, status }; |
| 262 | return { ...s, items: next }; |
| 263 | } |
| 264 | // Nested real tool activity refreshes its sub-agent parent's recent activity |
| 265 | // and switches the phase to "tool". Terminal parents are left untouched. |
| 266 | function touchSubagentParent(next: Item[], parentId: string): void { |
| 267 | const idx = next.findIndex((it) => it.kind === "tool" && it.id === parentId && it.subagentProgress); |
| 268 | if (idx < 0) return; |
| 269 | const it = next[idx]; |
| 270 | if (it.kind !== "tool" || !it.subagentProgress || isTerminalSubagentPhase(it.subagentProgress.phase)) return; |
| 271 | next[idx] = { ...it, subagentProgress: { ...it.subagentProgress, phase: "tool", lastActivityAt: Date.now() } }; |
| 272 | } |
| 273 | export type LiveStream = { |
| 274 | id: string; |
| 275 | text: string; |
| 276 | reasoning: string; |
| 277 | reasoningComplete: boolean; |
| 278 | reasoningStartedAt?: number; |
| 279 | reasoningCompletedAt?: number; |
| 280 | }; |
| 281 | /** Speculative journal for one sampling attempt — rolled back on discard. */ |
| 282 | type StreamAttemptJournal = { |
| 283 | id: string; |
| 284 | baselineLive?: LiveStream; |
| 285 | baselineTurnArgChars: number; |
| 286 | /** Tool cards created by this attempt (running, no result yet). */ |
| 287 | createdToolIds: string[]; |
| 288 | /** Prior state of tools that existed before this attempt and were patched. */ |
| 289 | priorTools: Record<string, Extract<Item, { kind: "tool" }>>; |
| 290 | }; |
| 291 | export type ControllerLiveStore = { |
| 292 | subscribe: (tabId: string | undefined, listener: () => void) => () => void; |
| 293 | getSnapshot: (tabId: string | undefined) => LiveStream | undefined; |
| 294 | getModelActiveAt?: (tabId: string | undefined) => number | undefined; |
| 295 | getRateOutputQuarters?: (tabId: string | undefined) => number | undefined; |
| 296 | }; |
| 297 | export type HistoryMutationKind = "replace" | "prepend" | "append" | "patch"; |
| 298 | export type HistoryMutation = { seq: number; kind: HistoryMutationKind }; |
| 299 | export type HistoryLoadTrigger = "viewport-user" | "question-jump" | "retry" | "auto-fill"; |
| 300 | |
| 301 | /** Alias kept for call sites that read as a type name rather than a trigger. */ |
| 302 | export type HistoryLoadType = HistoryLoadTrigger; |
| 303 | |
| 304 | /** |
| 305 | * What one older-history request produced. `stale` is deliberately distinct |
| 306 | * from `empty`: a recycled snapshot is not the same as running out of history, |
| 307 | * and a navigation jump has to report it rather than silently swap the body. |
| 308 | */ |
| 309 | export type HistoryLoadOutcome = "loaded" | "empty" | "stale"; |
| 310 | |
| 311 | /** Marks an older-history failure the reader can resolve by retrying. */ |
| 312 | export const STALE_HISTORY_ERROR = "history snapshot expired"; |
| 313 | export type HydrateReason = "switch-tab" | "new-session" | "resume-session" | "open-topic" | "startup" | "rewind" | "session-changed"; |
| 314 | type SyncActiveTabOptions = { preserveCachedHistory?: boolean; navigationIntentSeq?: number; surfacePolicy?: HydrateSurfacePolicy; deferHydration?: boolean }; |
| 315 | // A ticketed StartTopicActivation in flight. Only the latest one is tracked: |
| 316 | // superseded requests get "cancelled" from the backend and are ignored. |
| 317 | type PendingTopicActivation = { |
| 318 | requestId: string; |
| 319 | navigationSeq: number; |
| 320 | tabId?: string; |
| 321 | runtimeInitiallyReady?: boolean; |
| 322 | placeholderItems?: Item[]; |
| 323 | /** Terminal event that arrived before the ticket resolved. */ |
| 324 | terminal?: TopicActivationEvent; |
| 325 | }; |
| 326 | type ModelSwitchQueueResult = "applied" | "superseded"; |
| 327 | type ModelSwitchQueueRequest = { |
| 328 | name: string; |
| 329 | resolve: (result: ModelSwitchQueueResult) => void; |
| 330 | reject: (err: unknown) => void; |
| 331 | }; |
| 332 | type ModelSwitchQueueState = { |
| 333 | running: boolean; |
| 334 | pending?: ModelSwitchQueueRequest; |
| 335 | fallbackBalance?: BalanceInfo; |
| 336 | }; |
| 337 | |
| 338 | export type TurnPhaseName = "working" | "checking" | "verifying" | "reviewing" | string; |
| 339 | export type Item = { turnId?: string } & ( |
| 340 | | { kind: "user"; id: string; messageId?: string; submissionId?: string; submissionState?: "sending" | "confirmed" | "failed" | "unknown"; text: string; submitText?: string; failed?: boolean; createdAt?: number; checkpointTurn?: number; historyTurn?: number } |
| 341 | | { kind: "assistant"; id: string; text: string; reasoning: string; streaming: boolean; turnFinal?: boolean; samplingCount?: number; toolCount?: number; wasStreamed?: true; reasoningComplete?: boolean; reasoningDurationMs?: number; workDurationMs?: number; turnDurationMs?: number; turnUsage?: TurnUsage; tokensPerSecond?: number; createdAt?: number; memoryCitations?: MemoryCitation[]; searchSources?: SearchSource[] } |
| 342 | | { kind: "phase"; id: string; text: string } |
| 343 | | { kind: "notice"; id: string; local?: boolean; level: "info" | "warn"; text: string; detail?: string; diagnostic?: WireEvent["diagnostic"]; code?: string; title?: string; variant?: "delivery" | "completion"; action?: "continue_delivery" | "open_changes" | "recover_context"; recoveryId?: string; completionSummary?: WireCompletionSummary; decisionReceipt?: WireDecisionReceipt; missing?: string[]; inboxItemId?: string } |
| 344 | | { |
| 345 | kind: "compaction"; |
| 346 | id: string; |
| 347 | pending: boolean; |
| 348 | trigger: string; |
| 349 | messages: number; |
| 350 | summary: string; |
| 351 | archive: string; |
| 352 | operationId?: string; |
| 353 | operationKind?: string; |
| 354 | status?: string; |
| 355 | activity?: string; |
| 356 | operationRevision?: number; |
| 357 | observedRuntimeRevision?: number; |
| 358 | interruptionInferred?: boolean; |
| 359 | runtimeEpoch?: string; |
| 360 | historyEntryId?: string; |
| 361 | errorCode?: string; |
| 362 | detail?: string; |
| 363 | applied?: boolean; |
| 364 | inputTokens?: number; |
| 365 | resultTokens?: number; |
| 366 | } |
| 367 | | { |
| 368 | kind: "tool"; |
| 369 | id: string; |
| 370 | messageId?: string; |
| 371 | name: string; |
| 372 | args: string; |
| 373 | readOnly: boolean; |
| 374 | resolvedName?: string; |
| 375 | capabilityId?: string; subagentOutcome?: import("./subagentOutcome").SubagentOutcome; |
| 376 | status: ToolStatus; |
| 377 | resultMissing?: boolean; contentState?: "unloaded" | "loading" | "ready" | "failed"; |
| 378 | resultEvidence?: "missing" | "observation" | "formal"; sourceEntryId?: string; identityConflict?: boolean; |
| 379 | output?: string; searchSources?: SearchSource[]; searchSourcesStatus?: "available" | "not_provided"; searchSummary?: string; // display-only provider search results; replay data stays in output/serverSearch |
| 380 | error?: string; |
| 381 | truncated?: boolean; |
| 382 | dataArchived?: boolean; // args/output trimmed for memory; full data available via backend |
| 383 | durationMs?: number; startedAt?: number; // Date.now() at dispatch; in-memory only, so hydrated cards show no live elapsed |
| 384 | subject?: string; // stable collapsed subject from archived history payloads |
| 385 | summary?: string; // stable collapsed readout kept even after args/output archive |
| 386 | fileDiff?: ToolFileDiff; // previewed whole-file diff from writer dispatch |
| 387 | isShell?: boolean; // bash tool or !command — structured shell card presentation |
| 388 | execution?: WireShellExecution; // local shell metadata |
| 389 | presentedFiles?: import("./types").PresentedFile[]; |
| 390 | parentId?: string; // a sub-agent call nests under the `task` call with this id |
| 391 | profile?: { model?: string; effort?: string }; // subagent model/effort from tool event |
| 392 | argChars?: number; // args still streaming from the model: cumulative chars received |
| 393 | subagentProgress?: SubagentProgress; // in-memory-only preview, never hydrated from history |
| 394 | verifying?: boolean; // Host-confirmed check execution; never inferred from prose. |
| 395 | } |
| 396 | | { |
| 397 | kind: "extension"; |
| 398 | id: string; |
| 399 | // surfaceKey is "<pluginId>:<surfaceId>"; a re-published card replaces the |
| 400 | // previous one in place instead of appending a duplicate transcript entry. |
| 401 | surfaceKey: string; |
| 402 | pluginId: string; |
| 403 | surfaceId: string; |
| 404 | generation?: number; |
| 405 | card: WireExtensionCard; |
| 406 | }); |
| 407 | |
| 408 | type ToolItem = Extract<Item, { kind: "tool" }>; |
| 409 | export type ExtensionItem = Extract<Item, { kind: "extension" }>; |
| 410 | // Extension UI surfaces (stage 8b2) — per-tab state fed by extension_surface / |
| 411 | // extension_status wire events. Statuses and generations key on |
| 412 | // "<pluginId>:<surfaceId>"; the form is the single pending form surface (a new |
| 413 | // form replaces the old, matching the backend's one-blocking-prompt model); |
| 414 | // notifications queue until the App drains them into the toast system. |
| 415 | |
| 416 | // Live and replayed steer notices share this presentation prefix. Message |
| 417 | // identity owns reconciliation; the prefix only classifies their display. |
| 418 | export const STEER_NOTICE_PREFIX = "↪ "; |
| 419 | |
| 420 | function isStalePromptError(error: unknown): boolean { |
| 421 | return /active turn|runtime changed|stale/i.test(errorMessage(error)); |
| 422 | } |
| 423 | |
| 424 | function handlePromptFailure(dispatchTo: (tabId: string, action: Action) => void, target: InteractionTarget, epoch: number, error: unknown) { |
| 425 | if (isStalePromptError(error)) dispatchTo(target.tabId, { type: "expire_prompt", target, epoch }); |
| 426 | else dispatchTo(target.tabId, { type: "submit_prompt_failed", target, epoch }); |
| 427 | replayPendingPromptsForActiveTab(target.tabId); |
| 428 | } |
| 429 | |
| 430 | export function isSteerNoticeText(text: string): boolean { |
| 431 | return text.startsWith(STEER_NOTICE_PREFIX); |
| 432 | } |
| 433 | export interface State extends ReadStatusHost, ForkTurnState { |
| 434 | guidanceConsumed?: { key: string; itemId?: string; text: string }; |
| 435 | /** Active sample overlay while the reader owns an older contiguous window. */ |
| 436 | offscreenItems?: Item[]; |
| 437 | transcriptProtocol?: 1 | 2; |
| 438 | /** Authoritative snapshot owner; reconnects retain it, rebinding replaces it. */ |
| 439 | transcriptSessionId?: string; |
| 440 | transcriptRuntime?: import("../generated/desktopContract.generated").Runtime; |
| 441 | transcriptConnection?: "syncing" | "connected" | "disconnected"; |
| 442 | transcriptConnectionError?: string; |
| 443 | transcriptItemOrder?: Record<string, number>; |
| 444 | items: Item[]; |
| 445 | /** Browser-owned prompt echoes. Durable transcript rows never live here. */ |
| 446 | localSubmissions: Record<string, LocalSubmission>; |
| 447 | visibleSubmissionHandoffs: Record<string, { submissionId: string }>; |
| 448 | localSubmissionOrder: string[]; |
| 449 | /** Advances only for an explicit user send, never for history reconciliation. */ |
| 450 | localSubmissionSendRevision: number; |
| 451 | /** Exact backend-owned turn targeted by Stop/Ask. */ |
| 452 | activeTurnId?: string; |
| 453 | running: boolean; |
| 454 | turnActive: boolean; |
| 455 | pendingPrompt: boolean; |
| 456 | backgroundJobs: number; |
| 457 | cancelRequested: boolean; |
| 458 | cancellable: boolean; |
| 459 | /** Host turn phase from turn_phase events (working|checking|verifying|reviewing). */ |
| 460 | turnPhase?: TurnPhaseName; |
| 461 | /** Latest content-free turn quality summary, shown on demand in the change panel. */ |
| 462 | completionSummary?: WireCompletionSummary; |
| 463 | approval?: WireApproval; |
| 464 | ask?: WireAsk; |
| 465 | mcpInteraction?: WireMCPInteraction; |
| 466 | usage?: WireUsage; |
| 467 | context: ContextInfo; |
| 468 | meta?: Meta; |
| 469 | balance?: BalanceInfo; |
| 470 | effort?: EffortInfo; |
| 471 | jobs: JobView[]; |
| 472 | checkpoints: CheckpointMeta[]; |
| 473 | hydrating: boolean; |
| 474 | hydrateReason?: HydrateReason; |
| 475 | hydrateError?: string; |
| 476 | hydrateHistoryLoaded?: boolean; |
| 477 | hydratePlaceholderItems?: Item[]; |
| 478 | historyStartTurn: number; |
| 479 | historyEndTurn: number; |
| 480 | historyTotalTurns: number; |
| 481 | historyHasOlder: boolean; |
| 482 | historyHasNewer: boolean; |
| 483 | historyOlderLoading: boolean; |
| 484 | historyOlderError?: string; |
| 485 | historyNewerLoading: boolean; |
| 486 | historyNewerError?: string; |
| 487 | historyRevision?: number; |
| 488 | historyDigest?: string; |
| 489 | /** Number of leading items owned by the persisted transcript projection. */ |
| 490 | historyPrefixCount: number; transcriptProjectedIds: string[]; |
| 491 | /** Bumped when lazy history content can change already-estimated row sizes. */ |
| 492 | historyLayoutRevision: number; |
| 493 | historyMutation: HistoryMutation; |
| 494 | backendActivationPending: boolean; |
| 495 | messageAction?: MessageActionState; |
| 496 | currentAssistant?: string; |
| 497 | /** Next assistant sampling-segment ordinal within activeTurnId. */ |
| 498 | assistantSegmentOrdinal: number; |
| 499 | pendingSearchSources?: SearchSource[]; |
| 500 | live?: LiveStream; |
| 501 | pendingUser?: string; |
| 502 | pendingSubmissionId?: string; |
| 503 | deliveryRecoveryActive: boolean; |
| 504 | discardTurn?: boolean; |
| 505 | turnStartAt: number; |
| 506 | turnDoneAt: number; |
| 507 | turnLifecycleObservedAt?: number; |
| 508 | /** Last runtime snapshot sequence accepted for this tab/epoch. */ |
| 509 | runtimeStatusEpoch?: string; runtimeStatusSeq?: number; runtimeStatusSnapshotAt?: number; |
| 510 | // Completion tokens accumulated across executor usage events within the |
| 511 | // current turn. ReasoningTokens is a subset of CompletionTokens. |
| 512 | turnOutputTokens: number; |
| 513 | turnOutputChars: number; |
| 514 | // Live text/reasoning characters already covered by the accumulated usage. |
| 515 | // This lets the composer estimate only the in-flight provider request. |
| 516 | turnOutputCharsAtUsage: number; |
| 517 | // True when any output-token count in the current turn is estimated. |
| 518 | turnOutputEstimated: boolean; |
| 519 | // Active provider-output intervals for the current turn. Tool execution and |
| 520 | // gaps between provider requests are intentionally excluded from TPS. |
| 521 | turnModelActiveAt?: number; |
| 522 | turnModelActiveMs: number; |
| 523 | turnRateSample?: TurnRateSample; |
| 524 | // Time spent waiting on the user (approval/ask) within the current turn. |
| 525 | // Closed intervals accumulate here; an open interval uses promptWaitStartedAt |
| 526 | // so background tabs keep counting while not rendered by Composer. |
| 527 | turnWaitAccumMs: number; |
| 528 | // Last completed turn's values — preserved across turn boundaries so the |
| 529 | // status bar can display the most recent completed turn's TPS and token |
| 530 | // counts until the current turn finishes and overwrites them. |
| 531 | lastTurnOutputTokens: number; |
| 532 | lastTurnStartAt: number; |
| 533 | lastTurnDoneAt: number; |
| 534 | lastTurnWaitAccumMs: number; |
| 535 | lastTurnModelMs: number; |
| 536 | lastTurnOutputEstimated: boolean; |
| 537 | // Per-request rate (null when unmeasurable) and pending interval are tab-local. |
| 538 | lastRequestTps?: number | null; |
| 539 | pendingRequestModelMs?: number; |
| 540 | promptWaitStartedAt?: number; |
| 541 | // promptEventClock() at the CURRENT prompt's first arrival; not advanced by |
| 542 | // a same-id replay. Orders the prompt against reconciliation snapshots so a |
| 543 | // snapshot cannot clear a prompt it never knew about (#6429, #6432). |
| 544 | promptArrivedAt?: number; |
| 545 | // Id of the prompt promptArrivedAt is anchored to. A replay re-emitting the |
| 546 | // same id keeps the original arrival time; only a genuinely new prompt id |
| 547 | // (backend ids are monotonic within a controller) re-anchors it. |
| 548 | promptArrivedId?: string; |
| 549 | // Id of the most recently user-resolved approval/ask (explicit answer, |
| 550 | // cancel-through-mode-switch, etc). A replay carrying this same id is a |
| 551 | // stale re-delivery of an already-answered prompt, not a new one — arming |
| 552 | // it would resurrect a zombie no downstream snapshot may ever get a chance |
| 553 | // to reject (#6432 round 2: idle-applied-before-replay, and |
| 554 | // running=true/pendingPrompt=false snapshots that never clear approval/ask). |
| 555 | resolvedPromptId?: string; |
| 556 | resolvedPromptKey?: string; |
| 557 | // Monotonic per-tab prompt-id namespace generation. Approval/ask ids restart |
| 558 | // from "1" whenever the backend controller is rebuilt, so any id captured |
| 559 | // before the bump (an in-flight prompt answer or mode-switch RPC) must not |
| 560 | // touch bookkeeping written after it. Late callbacks from the old controller |
| 561 | // otherwise act on a different prompt that reused the same numeric id. |
| 562 | promptEpoch: number; |
| 563 | turnTokens: number; |
| 564 | turnTotalTokens: number; |
| 565 | /** Per-request usage folded into the active UI turn for the answer footer. */ |
| 566 | turnUsage?: TurnUsage; |
| 567 | turnCost: number; |
| 568 | turnRateBand?: AggregatedRateBand; |
| 569 | // Cumulative argument characters of the tool call currently streaming its |
| 570 | // args (partial dispatch progress). Folded into the composer pill as an |
| 571 | // estimated-token tail; cleared when the round's usage arrives (which then |
| 572 | // includes those tokens for real) and on turn start. |
| 573 | turnArgChars: number; |
| 574 | sessionTokens: number; |
| 575 | sessionCost: number; |
| 576 | sessionCurrency: string; |
| 577 | retry?: { attempt: number; max: number; observedAt: number; recovery?: WireEvent["recovery"] }; |
| 578 | seq: number; |
| 579 | sessionGen: number; |
| 580 | // Per-session counter bumped after hydration ancillary data (context, effort, |
| 581 | // jobs) arrives. ContextPanel reads this (merged into refreshKey) so the |
| 582 | // right-side panel re-fetches after a session rebind instead of showing stale |
| 583 | // RequestCount / ElapsedMs / SessionCost from before the swap. |
| 584 | contextPanelSeq: number; |
| 585 | // Monotonic count of usage events from ANY source (executor, subagent, |
| 586 | // title…). Drives right-panel snapshot refreshes so sub-agent activity keeps |
| 587 | // the session metrics live; state.usage stays executor-gated for the gauge. |
| 588 | usageSeq: number; |
| 589 | // Bounded set of context_maintenance operationIds already shown as notices |
| 590 | // so reconnect/replay does not insert duplicate timeline cards. |
| 591 | seenMaintenanceOps: string[]; |
| 592 | // Extension UI surfaces (stage 8b2). See the ExtensionStatusEntry block |
| 593 | // above for the keying/lifecycle rules. |
| 594 | extensionStatuses: Record<string, ExtensionStatusEntry>; |
| 595 | extensionForm?: ExtensionFormState; |
| 596 | extensionNotifications: ExtensionNotificationEntry[]; |
| 597 | // Last accepted generation per extension surface key; guards against |
| 598 | // re-ordered publications (acceptsExtensionGeneration). |
| 599 | extensionGenerations: Record<string, number>; |
| 600 | /** Last binding-validated runtime snapshot accepted from Meta or runtime sync. */ |
| 601 | runtimeStateSnapshot?: RuntimeState; |
| 602 | // Speculative sampling-attempt journal for Codex-style stream replay. |
| 603 | // Host-local only; never hydrated from history. |
| 604 | streamAttemptJournal?: StreamAttemptJournal; |
| 605 | // Most recent discarded sampling attempt's failure reason within this turn |
| 606 | // (idle_timeout | premature_eof | connection_reset). Host-local; used to |
| 607 | // explain an interrupted turn whose stream had already been failing (#9560). |
| 608 | lastStreamInterrupt?: { reason: string; attempt: number; at: number }; |
| 609 | // True after the agent emitted the safe terminal stream-failure notice. The |
| 610 | // following turn_done carries the same failure in err; suppress that duplicate |
| 611 | // while keeping the agent notice available to non-Desktop event consumers. |
| 612 | streamInterruptNoticeShown?: boolean; |
| 613 | } |
| 614 | |
| 615 | type NavigationSourceSnapshot = { |
| 616 | tabId?: string; |
| 617 | state?: State; |
| 618 | tab?: TabMeta; |
| 619 | tabPromise?: Promise<TabMeta | undefined>; |
| 620 | }; |
| 621 | export const initialState: State = { |
| 622 | items: [], |
| 623 | localSubmissions: {}, |
| 624 | visibleSubmissionHandoffs: {}, |
| 625 | localSubmissionOrder: [], |
| 626 | localSubmissionSendRevision: 0, |
| 627 | running: false, |
| 628 | turnActive: false, |
| 629 | pendingPrompt: false, |
| 630 | backgroundJobs: 0, |
| 631 | cancelRequested: false, |
| 632 | cancellable: false, |
| 633 | activeTurnId: undefined, |
| 634 | assistantSegmentOrdinal: 0, |
| 635 | context: { used: 0, window: 0, sessionTokens: 0 }, |
| 636 | jobs: [], |
| 637 | checkpoints: [], ...initialForkTurnState, |
| 638 | hydrating: false, |
| 639 | historyStartTurn: 0, |
| 640 | historyEndTurn: 0, |
| 641 | historyTotalTurns: 0, |
| 642 | historyHasOlder: false, |
| 643 | historyHasNewer: false, |
| 644 | historyOlderLoading: false, |
| 645 | historyNewerLoading: false, |
| 646 | historyLayoutRevision: 0, |
| 647 | historyPrefixCount: 0, transcriptProjectedIds: [], |
| 648 | historyMutation: { seq: 0, kind: "replace" }, |
| 649 | backendActivationPending: false, |
| 650 | deliveryRecoveryActive: false, |
| 651 | promptEpoch: 0, |
| 652 | turnStartAt: 0, |
| 653 | turnDoneAt: 0, |
| 654 | turnOutputTokens: 0, |
| 655 | turnOutputChars: 0, |
| 656 | turnOutputCharsAtUsage: 0, |
| 657 | turnOutputEstimated: false, |
| 658 | turnModelActiveMs: 0, |
| 659 | turnWaitAccumMs: 0, |
| 660 | lastTurnOutputTokens: 0, |
| 661 | lastTurnStartAt: 0, |
| 662 | lastTurnDoneAt: 0, |
| 663 | lastTurnWaitAccumMs: 0, |
| 664 | lastTurnModelMs: 0, |
| 665 | lastTurnOutputEstimated: false, |
| 666 | turnTokens: 0, |
| 667 | turnTotalTokens: 0, |
| 668 | turnCost: 0, |
| 669 | turnRateBand: undefined, |
| 670 | turnArgChars: 0, |
| 671 | sessionTokens: 0, |
| 672 | sessionCost: 0, |
| 673 | sessionCurrency: "¥", |
| 674 | seq: 0, |
| 675 | sessionGen: 0, |
| 676 | contextPanelSeq: 0, |
| 677 | usageSeq: 0, |
| 678 | seenMaintenanceOps: [], |
| 679 | extensionStatuses: {}, |
| 680 | extensionNotifications: [], |
| 681 | extensionGenerations: {}, |
| 682 | }; |
| 683 | // Clock used to order live prompt events against runtime snapshot fetches. |
| 684 | // Monotonic (immune to wall-clock jumps) with sub-millisecond resolution, so |
| 685 | // an event and a snapshot initiated in the same millisecond still order |
| 686 | // correctly. Only ever compared against itself. |
| 687 | export function promptEventClock(): number { |
| 688 | return typeof performance !== "undefined" ? performance.now() : Date.now(); |
| 689 | } |
| 690 | // True when a runtime snapshot was fetched before the tab's live approval/ask |
| 691 | // event arrived. Such a snapshot reports the tab idle only because it predates |
| 692 | // the prompt (pre-attach ListTabs, activation-time metas); applying it would |
| 693 | // clear the only UI able to answer the prompt — and, since it also carries |
| 694 | // pendingPrompt=false, skip the compensating replay (#6429, #5561, #5481). |
| 695 | // Ties count as stale: keeping a prompt one extra round is recoverable, while |
| 696 | // clearing a live prompt is the bug this guards against. |
| 697 | export function runtimeSnapshotPredatesPrompt( |
| 698 | state: { approval?: unknown; ask?: unknown; promptArrivedAt?: number } | undefined, |
| 699 | snapshotAt: number | undefined, |
| 700 | ): boolean { |
| 701 | if (!state || (!state.approval && !state.ask)) return false; |
| 702 | if (snapshotAt === undefined || state.promptArrivedAt === undefined) return false; |
| 703 | return snapshotAt <= state.promptArrivedAt; |
| 704 | } |
| 705 | function runtimeSnapshotPredatesRetry( |
| 706 | state: Pick<State, "retry"> | undefined, |
| 707 | snapshotAt: number | undefined, |
| 708 | ): boolean { |
| 709 | if (snapshotAt === undefined || state?.retry?.observedAt === undefined) return false; |
| 710 | return snapshotAt <= state.retry.observedAt; |
| 711 | } |
| 712 | function updatesContextGauge(usage?: WireUsage): boolean { |
| 713 | const source = usage?.source?.trim(); |
| 714 | return !source || source === "executor"; |
| 715 | } |
| 716 | function countsTowardCurrentTurn(state: State): boolean { |
| 717 | return state.turnActive || state.running; |
| 718 | } |
| 719 | export function sameMeta(a?: Meta, b?: Meta): boolean { |
| 720 | if (a === b) return true; |
| 721 | if (!a || !b) return false; |
| 722 | return ( |
| 723 | a.label === b.label && |
| 724 | a.ready === b.ready && |
| 725 | a.runtime?.phase === b.runtime?.phase && |
| 726 | a.runtime?.epoch === b.runtime?.epoch && |
| 727 | a.runtime?.issue?.code === b.runtime?.issue?.code && |
| 728 | a.runtime?.issue?.message === b.runtime?.issue?.message && |
| 729 | a.runtime?.issue?.retryable === b.runtime?.issue?.retryable && |
| 730 | a.runtime?.issue?.holderPid === b.runtime?.issue?.holderPid && |
| 731 | a.runtime?.issue?.holderHost === b.runtime?.issue?.holderHost && |
| 732 | a.runtime?.issue?.acquiredAt === b.runtime?.issue?.acquiredAt && |
| 733 | a.startupErr === b.startupErr && |
| 734 | a.historicalSource?.path === b.historicalSource?.path && |
| 735 | a.historicalSource?.headId === b.historicalSource?.headId && |
| 736 | a.eventChannel === b.eventChannel && |
| 737 | a.cwd === b.cwd && |
| 738 | a.workspaceRoot === b.workspaceRoot && |
| 739 | a.workspaceName === b.workspaceName && |
| 740 | a.workspacePath === b.workspacePath && |
| 741 | sessionIdentityStableKey(a) === sessionIdentityStableKey(b) && |
| 742 | a.sessionGeneration === b.sessionGeneration && |
| 743 | a.sessionRevision === b.sessionRevision && |
| 744 | a.sessionDigest === b.sessionDigest && |
| 745 | a.gitBranch === b.gitBranch && |
| 746 | a.imageInputEnabled === b.imageInputEnabled && |
| 747 | a.visionFallbackEnabled === b.visionFallbackEnabled && |
| 748 | a.autoApproveTools === b.autoApproveTools && |
| 749 | a.bypass === b.bypass && |
| 750 | a.collaborationMode === b.collaborationMode && |
| 751 | a.toolApprovalMode === b.toolApprovalMode && |
| 752 | |
| 753 | a.tokenMode === b.tokenMode && |
| 754 | a.agentPreset === b.agentPreset && |
| 755 | a.qualityFloor === b.qualityFloor && |
| 756 | a.floorInferred === b.floorInferred && |
| 757 | a.goal === b.goal && |
| 758 | a.goalStatus === b.goalStatus && |
| 759 | sameTodoList(a.canonicalTodos, b.canonicalTodos) |
| 760 | ); |
| 761 | } |
| 762 | |
| 763 | export { normalizeTurnSubmit } from "./inboxSubmit"; |
| 764 | |
| 765 | const frontendSubmissionEpoch = typeof globalThis.crypto?.randomUUID === "function" |
| 766 | ? globalThis.crypto.randomUUID() |
| 767 | : `${Date.now().toString(36)}-${Math.random().toString(36).slice(2)}`; |
| 768 | export function createTurnSubmissionId(tabId: string, sessionGen: number, seq: number, runtimeEpoch?: string): string { |
| 769 | return JSON.stringify([frontendSubmissionEpoch, tabId, sessionGen, runtimeEpoch ?? "", seq]); |
| 770 | } |
| 771 | |
| 772 | export function acceptsRuntimeEventEpoch(acceptedEpoch: string | undefined, eventEpoch: string | undefined): boolean { |
| 773 | return !eventEpoch || !acceptedEpoch || acceptedEpoch === eventEpoch; |
| 774 | } |
| 775 | |
| 776 | export function composerProfileApplicationKey( |
| 777 | runtimeEpoch: string | undefined, |
| 778 | collaborationMode: CollaborationMode, |
| 779 | toolApprovalMode: ToolApprovalMode, |
| 780 | goal: string, |
| 781 | ): string { |
| 782 | return JSON.stringify([runtimeEpoch ?? "", collaborationMode, toolApprovalMode, goal]); |
| 783 | } |
| 784 | |
| 785 | const CANCEL_RECONCILE_DELAYS_MS = [0, 100, 300, 1_000] as const; |
| 786 | // After a stale runtime snapshot is rejected (its fetch predates the live |
| 787 | // prompt), refetch authoritative backend state once. Short enough to be barely |
| 788 | // perceptible, long enough to let any other in-flight replay events land first |
| 789 | // so the refetch reflects settled backend truth (#6432). |
| 790 | const STALE_PROMPT_RECONCILE_MS = 150; |
| 791 | const STARTUP_READY_META_RECONCILE_MS = 250; |
| 792 | const STARTUP_READY_META_RECONCILE_ATTEMPTS = 60; |
| 793 | |
| 794 | export { isBatchedReadOnlyTool } from "./searchTranscript"; |
| 795 | export type Action = |
| 796 | | { type: "transcript_connection"; status: "syncing" | "connected" | "disconnected"; error?: string } |
| 797 | | { type: "transcript_v2_snapshot"; snapshot: TranscriptSnapshot; projection: import("./transcriptStore").TranscriptProjection; remote?: boolean } |
| 798 | | { type: "transcript_records"; projection: import("./transcriptStore").AppendEntriesResult; confirmedUsers: readonly CanonicalUserConfirmation[] } |
| 799 | | { type: "submission_verified"; submissionId: string; messageId: string } |
| 800 | | { type: "transcript_runtime"; runtime: import("../generated/desktopContract.generated").Runtime } |
| 801 | | { type: "event"; e: WireEvent; remote?: boolean } |
| 802 | | { type: "stream_batch"; segments: StreamSegment[] } |
| 803 | | { type: "user"; text: string; submitText?: string; seq: number; submissionId: string; deliveryRecovery?: boolean } |
| 804 | | { type: "unsend" } |
| 805 | | { type: "send_confirmed"; submissionId: string } |
| 806 | | { type: "management_confirmed"; submissionId: string; receipt?: import("./turnSubmit").ManagementReceipt } |
| 807 | | { type: "management_requested" } |
| 808 | | { type: "turn_admitted"; turnId: string; submissionId: string } |
| 809 | | { type: "turn_submit_rejected"; submissionId: string; error: string } |
| 810 | | { type: "turn_submit_unknown"; submissionId: string; error: string } |
| 811 | | { type: "send_failed"; submissionId: string; error: string } |
| 812 | | { type: "send_queued"; submissionId: string } |
| 813 | | { type: "turn_interrupted" } |
| 814 | | { type: "backend_status"; running: boolean; turnStartedAt?: number; pendingPrompt?: boolean; backgroundJobs?: number; cancelRequested?: boolean; cancellable?: boolean; turnId?: string; turnStatus?: string; snapshotAt?: number; runtimeEpoch?: string; turnEventSeq?: number } |
| 815 | | { type: "cancel_requested" } |
| 816 | | { type: "meta"; meta: Meta } |
| 817 | | { type: "optimistic_meta"; meta: Meta } |
| 818 | | { type: "runtime_snapshot"; snapshot: RuntimeState } |
| 819 | | { type: "context"; context: ContextInfo } |
| 820 | | { type: "balance"; balance: BalanceInfo } |
| 821 | | { type: "effort"; effort: EffortInfo } |
| 822 | | { type: "jobs"; jobs: JobView[] } |
| 823 | | { type: "checkpoints"; checkpoints: CheckpointMeta[] } | ForkTurnAction |
| 824 | | { type: "hydrate_start"; reason: HydrateReason; placeholderItems?: Item[] } |
| 825 | | { type: "hydrate_done" } |
| 826 | | { type: "history_cache_evicted" } |
| 827 | | { type: "hydrate_error"; reason: HydrateReason; error: string } |
| 828 | | { type: "backend_activation_start"; backendPendingPrompt?: boolean } |
| 829 | | { type: "backend_activation_done" } |
| 830 | | { type: "message_action_start"; action: MessageActionState } |
| 831 | | { type: "message_action_done" } |
| 832 | | { type: "history"; messages: HistoryMessage[]; remote?: boolean } |
| 833 | | { type: "transcript_snapshot"; snapshot: TranscriptSnapshot; remote?: boolean } |
| 834 | | { type: "transcript_page"; snapshot: TranscriptSnapshot } |
| 835 | | { type: "history_page"; page: HistoryPage; mode: "replace" | "prepend" } |
| 836 | // TranscriptStore-driven history actions (windowed HistorySliceForTab flow). |
| 837 | // Items carry stable entryId-derived ids; prepend also lists existing item |
| 838 | // ids superseded by cross-page tool call/result merges. |
| 839 | | { type: "history_replace"; items: Item[]; startTurn: number; endTurn?: number; totalTurns: number; hasOlder: boolean; hasNewer?: boolean; revision?: number; digest?: string } |
| 840 | | { type: "history_rebase"; items: Item[]; startTurn: number; endTurn?: number; totalTurns: number; hasOlder: boolean; hasNewer?: boolean; revision?: number; digest?: string } |
| 841 | | { type: "history_prepend"; items: Item[]; removeIds: string[]; startTurn: number; endTurn?: number; totalTurns: number; hasOlder: boolean; hasNewer?: boolean; revision?: number; digest?: string } |
| 842 | | { type: "history_append"; items: Item[]; startTurn: number; endTurn: number; totalTurns: number; hasOlder: boolean; hasNewer: boolean; revision?: number; digest?: string } |
| 843 | | { type: "history_items_patch"; patches: Record<string, Item>; expected?: Record<string, Item> } |
| 844 | | { type: "history_older_start" } |
| 845 | | { type: "history_older_error"; error?: string } |
| 846 | | { type: "history_newer_start" } |
| 847 | | { type: "history_newer_error"; error?: string } |
| 848 | | { type: "local_notice"; level: "info" | "warn"; text: string; preserveRuntime?: boolean } |
| 849 | | { type: "clearApproval"; target?: InteractionTarget } |
| 850 | | { type: "clearAsk" } |
| 851 | | { type: "expire_prompt"; target: InteractionTarget; epoch: number } |
| 852 | | { type: "clearExtensionForm"; identity?: Pick<ExtensionFormState, "pluginId" | "surfaceId" | "formInstanceId"> } |
| 853 | | { type: "extension_notifications_drained" } |
| 854 | | { type: "approval_drained"; ids: string[]; epoch: number } |
| 855 | | { type: "ask_submit_succeeded"; target: InteractionTarget; epoch: number } |
| 856 | | { type: "submit_prompt_failed"; target: InteractionTarget; epoch: number } |
| 857 | | { type: "controller_rebuilt" } |
| 858 | | { type: "reset" } |
| 859 | | { type: "context_panel_refresh" }; |
| 860 | |
| 861 | function backendStatusFromRuntimeMeta(meta: RuntimeMetaSnapshot): Extract<Action, { type: "backend_status" }> { |
| 862 | const foregroundRunning = foregroundRunningFromRuntimeMeta(meta); |
| 863 | return { |
| 864 | type: "backend_status", |
| 865 | running: foregroundRunning, |
| 866 | turnStartedAt: meta.turnStartedAt, |
| 867 | pendingPrompt: Boolean(meta.pendingPrompt), |
| 868 | backgroundJobs: meta.backgroundJobs ?? 0, |
| 869 | cancelRequested: Boolean(meta.cancelRequested), |
| 870 | cancellable: foregroundRunning, |
| 871 | turnId: meta.turnId, |
| 872 | turnStatus: meta.turnStatus, |
| 873 | runtimeEpoch: meta.runtime?.epoch, turnEventSeq: meta.turnEventSeq, |
| 874 | }; |
| 875 | } |
| 876 | |
| 877 | // ---- reducer helpers (unchanged logic) ---- |
| 878 | |
| 879 | /** End the compatibility-path segment before a committed tool dispatch. */ |
| 880 | function settleCurrentAssistant(s: State, now = Date.now()): State { |
| 881 | const settled = endTurnModelActivity(s, now, true); |
| 882 | if (!s.currentAssistant) return settled; |
| 883 | const current = settled.items.find((item) => item.id === s.currentAssistant) as Extract<Item, { kind: "assistant" }> | undefined; |
| 884 | const live = s.live?.id === s.currentAssistant ? s.live : undefined; |
| 885 | if (!assistantHasContent(current, live) && s.transcriptProtocol !== 2) { |
| 886 | return { ...settled, items: current ? settled.items.filter((item) => item.id !== current.id) : settled.items, live: undefined, currentAssistant: undefined }; |
| 887 | } |
| 888 | const completedLive = live ? completeLiveReasoning(live, now) : undefined; |
| 889 | const items = settled.items.map((item) => item.kind === "assistant" && item.id === s.currentAssistant |
| 890 | ? { |
| 891 | ...item, text: completedLive?.text ?? item.text, reasoning: completedLive?.reasoning ?? item.reasoning, streaming: false, |
| 892 | reasoningComplete: Boolean(completedLive?.reasoning || item.reasoning || completedLive?.reasoningComplete || item.reasoningComplete), |
| 893 | reasoningDurationMs: liveReasoningDurationMs(completedLive) ?? item.reasoningDurationMs, |
| 894 | } |
| 895 | : item); |
| 896 | return { ...settled, items, live: undefined, currentAssistant: undefined }; |
| 897 | } |
| 898 | |
| 899 | function liveReasoningDurationMs(live?: LiveStream): number | undefined { |
| 900 | if (!live?.reasoningStartedAt || !live.reasoning) return undefined; |
| 901 | const completedAt = live.reasoningCompletedAt; |
| 902 | if (!completedAt || completedAt < live.reasoningStartedAt) return undefined; |
| 903 | return completedAt - live.reasoningStartedAt; |
| 904 | } |
| 905 | |
| 906 | // applyDeltaSegments folds ordered stream segments into the assistant's live |
| 907 | // stream in one state transition. Assumes applyEvent's preamble already ran. |
| 908 | function applyDeltaSegments(s: State, segments: StreamSegment[]): State { |
| 909 | const active = ensureActiveAssistant(s); |
| 910 | const base = active.live!; |
| 911 | const now = Date.now(); |
| 912 | const deltaChars = segments.reduce((total, segment) => total + segment.delta.length, 0); |
| 913 | const next = { ...active, live: applyLiveSegments(base, segments, now), turnOutputChars: active.turnOutputChars + deltaChars, |
| 914 | turnRateSample: active.turnRateSample ? { ...active.turnRateSample, |
| 915 | outputQuarters: active.turnRateSample.outputQuarters + segments.reduce((sum, segment) => sum + outputQuarters(segment.delta), 0) } : undefined }; |
| 916 | return deltaChars > 0 ? beginTurnModelActivity(next, now) : next; |
| 917 | } |
| 918 | |
| 919 | // applyStreamBatch is the stream_batch action: one frame's deltas, one reducer |
| 920 | // pass, one notification. Mirrors applyEvent's preamble for delta events. |
| 921 | function applyStreamBatch(s: State, segments: StreamSegment[]): State { |
| 922 | if (s.discardTurn) return s; |
| 923 | if (s.retry) s = { ...s, retry: undefined }; |
| 924 | return applyDeltaSegments(s, segments); |
| 925 | } |
| 926 | |
| 927 | /** Closed + open user-wait ms for the active turn (approval/ask). */ |
| 928 | export function currentTurnWaitMs( |
| 929 | s: Pick<State, "turnWaitAccumMs" | "promptWaitStartedAt">, |
| 930 | now = Date.now(), |
| 931 | ): number { |
| 932 | const closed = Math.max(0, s.turnWaitAccumMs || 0); |
| 933 | const open = s.promptWaitStartedAt && s.promptWaitStartedAt > 0 |
| 934 | ? Math.max(0, now - s.promptWaitStartedAt) |
| 935 | : 0; |
| 936 | return closed + open; |
| 937 | } |
| 938 | |
| 939 | function currentTurnDurationMs( |
| 940 | s: Pick<State, "turnStartAt" | "turnWaitAccumMs" | "promptWaitStartedAt">, |
| 941 | now = Date.now(), |
| 942 | ): number | undefined { |
| 943 | if (!Number.isFinite(s.turnStartAt) || s.turnStartAt <= 0 || now < s.turnStartAt) return undefined; |
| 944 | return Math.max(1, now - s.turnStartAt - currentTurnWaitMs(s, now)); |
| 945 | } |
| 946 | |
| 947 | function beginPromptWait(s: State, now = Date.now()): State { |
| 948 | if (s.promptWaitStartedAt && s.promptWaitStartedAt > 0) return s; |
| 949 | return { ...s, promptWaitStartedAt: now }; |
| 950 | } |
| 951 | |
| 952 | function endPromptWait(s: State, now = Date.now()): State { |
| 953 | if (!s.promptWaitStartedAt || s.promptWaitStartedAt <= 0) { |
| 954 | return s.promptWaitStartedAt === undefined ? s : { ...s, promptWaitStartedAt: undefined }; |
| 955 | } |
| 956 | const delta = Math.max(0, now - s.promptWaitStartedAt); |
| 957 | return { |
| 958 | ...s, |
| 959 | turnWaitAccumMs: Math.max(0, s.turnWaitAccumMs || 0) + delta, |
| 960 | promptWaitStartedAt: undefined, |
| 961 | }; |
| 962 | } |
| 963 | |
| 964 | // An MCP interaction is a user wait like any other prompt: closing the interval |
| 965 | // while one is outstanding would drop that wait from turnWaitAccumMs entirely, |
| 966 | // because the later answer's endPromptWait finds no open interval to close. |
| 967 | function endPromptWaitIfIdle(s: State, now = Date.now()): State { |
| 968 | if (s.approval || s.ask || s.mcpInteraction) return s; |
| 969 | return endPromptWait(s, now); |
| 970 | } |
| 971 | |
| 972 | function snapshotCompletedTurnTelemetry(s: State, now = Date.now()): State { |
| 973 | if (!s.turnStartAt || s.turnDoneAt > 0) return s; |
| 974 | const settled = endPromptWait(endTurnModelActivity(s, now), now); |
| 975 | // `turnOutputChars` is a bare count with no buffer to weight, so the rolled |
| 976 | // back-attempt branch stays ASCII-priced. |
| 977 | const estimatedInFlightTokens = settled.turnOutputTokens > 0 |
| 978 | ? unbilledOutputTokens(settled.live, settled.turnOutputCharsAtUsage, settled.turnArgChars) |
| 979 | : tokensFromQuarters(settled.turnOutputChars + settled.turnArgChars); |
| 980 | return { |
| 981 | ...settled, |
| 982 | turnDoneAt: now, |
| 983 | lastTurnOutputTokens: settled.turnOutputTokens + estimatedInFlightTokens, |
| 984 | lastTurnStartAt: settled.turnStartAt, |
| 985 | lastTurnDoneAt: now, |
| 986 | lastTurnWaitAccumMs: settled.turnWaitAccumMs, |
| 987 | lastTurnModelMs: settled.turnModelActiveMs, |
| 988 | lastTurnOutputEstimated: settled.turnOutputEstimated || estimatedInFlightTokens > 0 || (settled.turnOutputTokens === 0 && settled.turnOutputChars > 0), |
| 989 | }; |
| 990 | } |
| 991 | |
| 992 | // applyExtensionSurfaceEvent reduces one extension_surface / extension_status |
| 993 | // wire event. Every publication passes the per-surface generation fence first |
| 994 | // (withAcceptedExtensionGeneration); the per-tab runtime-epoch fence in the |
| 995 | // onEvent handler has already dropped anything from an older runtime |
| 996 | // generation. |
| 997 | function applyExtensionSurfaceEvent(s: State, surface: WireExtensionSurface | undefined): State { |
| 998 | if (!surface) return s; |
| 999 | const gated = withAcceptedExtensionGeneration(s, surface); |
| 1000 | if (gated === null) return s; |
| 1001 | s = gated; |
| 1002 | const kind = surface.kind || (surface.status ? "status" : ""); |
| 1003 | switch (kind) { |
| 1004 | case "status": |
| 1005 | return applyExtensionStatus(s, surface); |
| 1006 | case "card": |
| 1007 | return applyExtensionCard(s, surface); |
| 1008 | case "form": |
| 1009 | return applyExtensionForm(s, surface); |
| 1010 | case "notification": |
| 1011 | return applyExtensionNotification(s, surface); |
| 1012 | default: |
| 1013 | return s; |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | // withAcceptedExtensionGeneration applies the per-surface generation fence. |
| 1018 | // Returns null when the event is a stale re-ordering and must be dropped; |
| 1019 | // otherwise returns state with the accepted generation recorded. |
| 1020 | function withAcceptedExtensionGeneration(s: State, surface: WireExtensionSurface): State | null { |
| 1021 | const key = extensionSurfaceKey(surface); |
| 1022 | if (!acceptsExtensionGeneration(s.extensionGenerations[key], surface.generation)) return null; |
| 1023 | if (surface.generation === undefined || s.extensionGenerations[key] === surface.generation) return s; |
| 1024 | return { ...s, extensionGenerations: { ...s.extensionGenerations, [key]: surface.generation } }; |
| 1025 | } |
| 1026 | |
| 1027 | function applyExtensionStatus(s: State, surface: WireExtensionSurface): State { |
| 1028 | const status: WireExtensionStatus | undefined = surface.status; |
| 1029 | if (!status) return s; |
| 1030 | const entry: ExtensionStatusEntry = { |
| 1031 | pluginId: surface.pluginId, |
| 1032 | surfaceId: surface.surfaceId, |
| 1033 | label: status.label, |
| 1034 | detail: status.detail, |
| 1035 | severity: status.severity, |
| 1036 | progress: status.progress, |
| 1037 | generation: surface.generation, |
| 1038 | }; |
| 1039 | return { ...s, extensionStatuses: { ...s.extensionStatuses, [extensionSurfaceKey(surface)]: entry } }; |
| 1040 | } |
| 1041 | |
| 1042 | function applyExtensionCard(s: State, surface: WireExtensionSurface): State { |
| 1043 | const card: WireExtensionCard | undefined = surface.card; |
| 1044 | if (!card) return s; |
| 1045 | const key = extensionSurfaceKey(surface); |
| 1046 | const idx = s.items.findIndex((it) => it.kind === "extension" && it.surfaceKey === key); |
| 1047 | if (idx >= 0) { |
| 1048 | const next = [...s.items]; |
| 1049 | const prev = next[idx]; |
| 1050 | if (prev.kind === "extension") next[idx] = { ...prev, generation: surface.generation, card }; |
| 1051 | return { ...s, items: next }; |
| 1052 | } |
| 1053 | return { |
| 1054 | ...s, |
| 1055 | seq: s.seq + 1, |
| 1056 | items: [ |
| 1057 | ...s.items, |
| 1058 | { kind: "extension", id: `x${s.seq}`, surfaceKey: key, pluginId: surface.pluginId, surfaceId: surface.surfaceId, generation: surface.generation, card }, |
| 1059 | ], |
| 1060 | }; |
| 1061 | } |
| 1062 | |
| 1063 | // streamInterruptReasonText localizes the closed host enum a stream-attempt |
| 1064 | // discard carries (idle_timeout | premature_eof | connection_reset). |
| 1065 | function streamInterruptReasonText(reason: string): string { |
| 1066 | switch (reason) { |
| 1067 | case "idle_timeout": return t("notice.streamInterruptReason.idleTimeout"); |
| 1068 | case "premature_eof": return t("notice.streamInterruptReason.prematureEof"); |
| 1069 | case "connection_reset": return t("notice.streamInterruptReason.connectionReset"); |
| 1070 | default: return t("notice.streamInterruptReason.unknown"); |
| 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | function applyStreamAttempt(s: State, e: WireEvent): State { |
| 1075 | const sa = e.streamAttempt; |
| 1076 | if (!sa?.id || !sa.action) return s; |
| 1077 | switch (sa.action) { |
| 1078 | case "begin": { |
| 1079 | const active = ensureActiveAssistant(s); |
| 1080 | // Snapshot only what this attempt may replace in the visible stream. |
| 1081 | // Provider activity timing is closed at discard but remains accumulated so |
| 1082 | // retry backoff is not counted in the completed TPS denominator. |
| 1083 | const baselineLive = { ...active.live! }; |
| 1084 | return { |
| 1085 | ...active, |
| 1086 | running: true, |
| 1087 | turnActive: true, |
| 1088 | cancellable: true, |
| 1089 | turnStartAt: s.turnStartAt || Date.now(), |
| 1090 | turnRateSample: active.turnRateSample ? { ...active.turnRateSample, argChars: 0 } : undefined, |
| 1091 | streamAttemptJournal: { |
| 1092 | id: sa.id, |
| 1093 | baselineLive, |
| 1094 | baselineTurnArgChars: active.turnArgChars, |
| 1095 | createdToolIds: [], |
| 1096 | priorTools: {}, |
| 1097 | }, |
| 1098 | }; |
| 1099 | } |
| 1100 | case "discard": { |
| 1101 | const journal = s.streamAttemptJournal; |
| 1102 | if (e.messageId) { |
| 1103 | const id = `m:${e.messageId}`; |
| 1104 | const ownsCurrent = s.currentAssistant === id; |
| 1105 | const ownsJournal = journal?.id === sa.id; |
| 1106 | return { |
| 1107 | ...(ownsCurrent ? endTurnModelActivity(s) : s), |
| 1108 | items: s.items.filter((item) => item.id !== id && !(item.kind === "tool" && |
| 1109 | (item.messageId === e.messageId || (ownsJournal && !item.messageId && journal.createdToolIds.includes(item.id))))), |
| 1110 | live: s.live?.id === id ? undefined : s.live, |
| 1111 | currentAssistant: ownsCurrent ? undefined : s.currentAssistant, |
| 1112 | streamAttemptJournal: ownsJournal ? undefined : journal, |
| 1113 | turnArgChars: ownsJournal ? journal.baselineTurnArgChars : s.turnArgChars, |
| 1114 | lastStreamInterrupt: sa.reason ? { reason: sa.reason, attempt: sa.attempt ?? 0, at: promptEventClock() } : s.lastStreamInterrupt, |
| 1115 | }; |
| 1116 | } |
| 1117 | if (!journal || journal.id !== sa.id) { |
| 1118 | // Stale/out-of-order discard for an older attempt — leave the current |
| 1119 | // journal (and live speculative UI) untouched. |
| 1120 | return s; |
| 1121 | } |
| 1122 | const remove = new Set(journal.createdToolIds); |
| 1123 | const discardedMessageId = e.messageId ? `m:${e.messageId}` : undefined; |
| 1124 | const items = s.items |
| 1125 | .filter((it) => !(it.kind === "tool" && remove.has(it.id)) && it.id !== discardedMessageId) |
| 1126 | .map((it) => { |
| 1127 | if (it.kind !== "tool") return it; |
| 1128 | const prior = journal.priorTools[it.id]; |
| 1129 | return prior ? { ...prior } : it; |
| 1130 | }); |
| 1131 | // Restore live to the pre-attempt snapshot so partial text/reasoning is |
| 1132 | // replaced, not concatenated with the next attempt. |
| 1133 | const live = journal.baselineLive |
| 1134 | ? { ...journal.baselineLive } |
| 1135 | : s.live |
| 1136 | ? { ...s.live, text: "", reasoning: "", reasoningComplete: false, reasoningStartedAt: undefined, reasoningCompletedAt: undefined } |
| 1137 | : undefined; |
| 1138 | return { |
| 1139 | ...endTurnModelActivity(s), |
| 1140 | items, |
| 1141 | live: discardedMessageId ? undefined : live, |
| 1142 | currentAssistant: discardedMessageId ? undefined : s.currentAssistant, |
| 1143 | turnArgChars: journal.baselineTurnArgChars, |
| 1144 | streamAttemptJournal: undefined, |
| 1145 | lastStreamInterrupt: sa.reason |
| 1146 | ? { reason: sa.reason, attempt: sa.attempt ?? 0, at: promptEventClock() } |
| 1147 | : s.lastStreamInterrupt, |
| 1148 | running: true, |
| 1149 | turnActive: true, |
| 1150 | cancellable: true, |
| 1151 | }; |
| 1152 | } |
| 1153 | case "commit": { |
| 1154 | if (s.streamAttemptJournal && s.streamAttemptJournal.id !== sa.id) return s; |
| 1155 | // Tool-only samples do not emit a message event. Remove their empty |
| 1156 | // placeholder now so the next sampling round is allocated after the |
| 1157 | // committed tool cards instead of reusing a bubble above them. |
| 1158 | const current = s.items.find((item) => item.id === s.currentAssistant) as Extract<Item, { kind: "assistant" }> | undefined; |
| 1159 | if (s.currentAssistant && !assistantHasContent(current, s.live?.id === s.currentAssistant ? s.live : undefined)) { |
| 1160 | return { ...s, items: current ? s.items.filter((item) => item.id !== current.id) : s.items, live: undefined, currentAssistant: undefined, streamAttemptJournal: undefined }; |
| 1161 | } |
| 1162 | return { ...s, streamAttemptJournal: undefined }; |
| 1163 | } |
| 1164 | default: |
| 1165 | return s; |
| 1166 | } |
| 1167 | } |
| 1168 | |
| 1169 | /** Record a tool card mutation against the active sampling-attempt journal. |
| 1170 | * Only parent-sampling partials with a matching attemptId are journaled — |
| 1171 | * background sub-agent tools (parentId) and committed full dispatches are not. |
| 1172 | */ |
| 1173 | function noteToolInJournal( |
| 1174 | s: State, |
| 1175 | toolId: string, |
| 1176 | existedBefore: boolean, |
| 1177 | prior: Extract<Item, { kind: "tool" }> | undefined, |
| 1178 | meta?: { attemptId?: string; parentId?: string; partial?: boolean }, |
| 1179 | ): State { |
| 1180 | const journal = s.streamAttemptJournal; |
| 1181 | if (!journal || !toolId) return s; |
| 1182 | // Require explicit attempt membership — do not journal by arrival time alone. |
| 1183 | if (!meta?.attemptId || meta.attemptId !== journal.id) return s; |
| 1184 | if (meta.parentId) return s; |
| 1185 | if (meta.partial === false) return s; |
| 1186 | if (!existedBefore) { |
| 1187 | if (journal.createdToolIds.includes(toolId)) return s; |
| 1188 | return { |
| 1189 | ...s, |
| 1190 | streamAttemptJournal: { |
| 1191 | ...journal, |
| 1192 | createdToolIds: [...journal.createdToolIds, toolId], |
| 1193 | }, |
| 1194 | }; |
| 1195 | } |
| 1196 | if (prior && !journal.priorTools[toolId] && !journal.createdToolIds.includes(toolId)) { |
| 1197 | return { |
| 1198 | ...s, |
| 1199 | streamAttemptJournal: { |
| 1200 | ...journal, |
| 1201 | priorTools: { ...journal.priorTools, [toolId]: { ...prior } }, |
| 1202 | }, |
| 1203 | }; |
| 1204 | } |
| 1205 | return s; |
| 1206 | } |
| 1207 | |
| 1208 | function applyExtensionNotification(s: State, surface: WireExtensionSurface): State { |
| 1209 | const notification = surface.notification; |
| 1210 | if (!notification) return s; |
| 1211 | const entry: ExtensionNotificationEntry = { |
| 1212 | id: `xn${s.seq}`, |
| 1213 | pluginId: surface.pluginId, |
| 1214 | title: notification.title, |
| 1215 | body: notification.body, |
| 1216 | severity: notification.severity, |
| 1217 | }; |
| 1218 | return { ...s, seq: s.seq + 1, extensionNotifications: [...s.extensionNotifications, entry] }; |
| 1219 | } |
| 1220 | |
| 1221 | function applyEvent(s: State, e: WireEvent, preserveToolPayloads = false): State { |
| 1222 | if (s.discardTurn) { |
| 1223 | if (e.kind === "turn_done") { |
| 1224 | return { |
| 1225 | ...s, |
| 1226 | items: applyTurnCheckpoint(s.items, e.submissionId, e.checkpointTurn), |
| 1227 | discardTurn: false, |
| 1228 | running: false, |
| 1229 | turnActive: false, |
| 1230 | pendingPrompt: false, |
| 1231 | cancelRequested: false, |
| 1232 | cancellable: false, |
| 1233 | turnLifecycleObservedAt: promptEventClock(), |
| 1234 | currentAssistant: undefined, |
| 1235 | assistantSegmentOrdinal: 0, |
| 1236 | activeTurnId: undefined, |
| 1237 | live: undefined, |
| 1238 | }; |
| 1239 | } |
| 1240 | return s; |
| 1241 | } |
| 1242 | s = confirmPendingUser(s, e.submissionId); |
| 1243 | if (e.kind === "user_message") { |
| 1244 | if (e.source && e.source !== "executor") return s; |
| 1245 | if (!e.messageId) return s; |
| 1246 | if (s.transcriptProtocol === 2) { |
| 1247 | const local = e.submissionId ? s.localSubmissions[e.submissionId] : undefined; |
| 1248 | if (local?.messageId && local.messageId !== e.messageId) { |
| 1249 | recordFrontendDiagnostic("transcript", "submission.identity-conflict", { |
| 1250 | submissionId: e.submissionId, boundMessageId: local.messageId, incomingMessageId: e.messageId, |
| 1251 | }); |
| 1252 | return s; |
| 1253 | } |
| 1254 | return settleLocalSubmissions(updateLocalSubmission(s, e.submissionId, { messageId: e.messageId, turnId: e.turnId ?? local?.turnId, |
| 1255 | status: local?.status === "failed" ? "failed" : "accepted" }), s.items); |
| 1256 | } |
| 1257 | const id = `m:${e.messageId}`; |
| 1258 | const incoming: Item = { kind: "user", id, messageId: e.messageId, submissionId: e.submissionId, text: e.text ?? "" }; |
| 1259 | const existing = matchingSnapshotItem(s.items, incoming); |
| 1260 | if (existing) { |
| 1261 | const next = { ...s, items: s.items.map((item) => item === existing ? { ...existing, ...incoming, id } : item) }; |
| 1262 | return settleLocalSubmissions(next, next.items, canonicalUserConfirmations([incoming])); |
| 1263 | } |
| 1264 | const items = [...s.items, incoming]; |
| 1265 | return settleLocalSubmissions({ ...s, items }, items, canonicalUserConfirmations([incoming])); |
| 1266 | } |
| 1267 | if (e.kind === "mcp_surface_ready") { |
| 1268 | // Background readiness remains a no-op unless the sink explicitly |
| 1269 | // correlates it to this submit in the common preamble above. |
| 1270 | return s; |
| 1271 | } |
| 1272 | if (e.kind === "extension_surface" || e.kind === "extension_status") { |
| 1273 | // Sidecar publications without exact sink correlation remain background- |
| 1274 | // only and must not clear the retry indicator. |
| 1275 | return applyExtensionSurfaceEvent(s, e.extension); |
| 1276 | } |
| 1277 | if (e.kind === "retrying") { |
| 1278 | // Recovery keeps Stop/Escape available despite stale idle snapshots. |
| 1279 | return { |
| 1280 | ...s, |
| 1281 | retry: { |
| 1282 | recovery: e.recovery, |
| 1283 | attempt: e.retryAttempt ?? 0, |
| 1284 | max: e.retryMax ?? 0, |
| 1285 | observedAt: promptEventClock(), |
| 1286 | }, |
| 1287 | running: true, |
| 1288 | turnActive: true, |
| 1289 | cancellable: true, |
| 1290 | turnStartAt: s.turnStartAt || Date.now(), |
| 1291 | }; |
| 1292 | } |
| 1293 | if (e.kind === "provider_unreachable") { |
| 1294 | const detail = typeof e.text === "string" ? e.text : ""; |
| 1295 | return withRemoteProviderUnreachable(s, detail); |
| 1296 | } |
| 1297 | if (e.kind === "stream_attempt") { |
| 1298 | if (e.streamAttempt?.action === "begin" && e.messageId) { |
| 1299 | if (s.currentAssistant && s.currentAssistant !== `m:${e.messageId}`) s = settleCurrentAssistant(s); |
| 1300 | s = ensureAssistant({ ...s, items: s.transcriptProtocol === 2 ? s.items : removeEmptyAssistantItems(s.items) }, e.messageId); |
| 1301 | } |
| 1302 | return applyStreamAttempt(s, e); |
| 1303 | } |
| 1304 | if (e.messageId && (e.kind === "text" || e.kind === "reasoning" || e.kind === "message" || (e.kind === "tool_dispatch" && e.tool?.partial && !e.tool.parentId))) { |
| 1305 | if (s.currentAssistant && s.currentAssistant !== `m:${e.messageId}`) { |
| 1306 | s = settleCurrentAssistant(s); |
| 1307 | s = { ...s, items: s.transcriptProtocol === 2 ? s.items : removeEmptyAssistantItems(s.items) }; |
| 1308 | } |
| 1309 | s = ensureAssistant(s, e.messageId); |
| 1310 | } |
| 1311 | if (s.retry) s = { ...s, retry: undefined }; |
| 1312 | switch (e.kind) { |
| 1313 | case "turn_started": { |
| 1314 | // Pre-create an empty assistant bubble |
| 1315 | // immediately so the user sees their message + a blinking cursor the |
| 1316 | // instant the backend acknowledges the turn — no dead gap waiting for |
| 1317 | // the first text/reasoning token. |
| 1318 | const startsNewTurn = s.assistantSegmentOrdinal === 0 |
| 1319 | || !s.turnActive |
| 1320 | || (Boolean(e.turnId) && e.turnId !== s.activeTurnId); |
| 1321 | const fresh = { |
| 1322 | ...s, |
| 1323 | // A new turn starts from no live read status: the previous turn's |
| 1324 | // progress is history, not this turn's state. |
| 1325 | readStatuses: undefined, |
| 1326 | readStatusClosed: false, |
| 1327 | activeTurnId: e.turnId ?? s.activeTurnId, |
| 1328 | assistantSegmentOrdinal: startsNewTurn ? 0 : s.assistantSegmentOrdinal, |
| 1329 | pendingSearchSources: undefined, |
| 1330 | meta: s.meta ? { ...s.meta, canonicalTodos: [] } : s.meta, |
| 1331 | }; |
| 1332 | if (fresh.items.some((it) => it.id === "provider-unreachable")) { |
| 1333 | fresh.items = fresh.items.filter((it) => it.id !== "provider-unreachable"); |
| 1334 | } |
| 1335 | const active = startsNewTurn || fresh.currentAssistant ? ensureActiveAssistant(fresh) : fresh; |
| 1336 | return { |
| 1337 | ...active, |
| 1338 | running: true, |
| 1339 | turnActive: true, |
| 1340 | turnPhase: "working", |
| 1341 | completionSummary: undefined, |
| 1342 | pendingPrompt: false, |
| 1343 | cancelRequested: false, |
| 1344 | cancellable: true, |
| 1345 | lastStreamInterrupt: undefined, |
| 1346 | streamInterruptNoticeShown: undefined, |
| 1347 | turnLifecycleObservedAt: promptEventClock(), |
| 1348 | ...resetTurnTiming(resolveTurnStartedAt(fresh.running || fresh.turnActive ? fresh.turnStartAt : 0, e.turnStartedAt)), |
| 1349 | }; |
| 1350 | } |
| 1351 | case "turn_phase": { |
| 1352 | if (e.turnId && s.activeTurnId && e.turnId !== s.activeTurnId) return s; |
| 1353 | const phase = (e.phase ?? e.text ?? "").trim(); |
| 1354 | if (!phase) return s; |
| 1355 | const next = { ...s, turnPhase: phase, running: true, turnActive: true, cancellable: true }; |
| 1356 | return withRunningChecks(next); |
| 1357 | } |
| 1358 | case "turn_status": { |
| 1359 | if (e.turnId && s.activeTurnId && e.turnId !== s.activeTurnId) return s; |
| 1360 | switch (e.status) { |
| 1361 | case "queued": |
| 1362 | return { |
| 1363 | ...s, |
| 1364 | activeTurnId: e.turnId ?? s.activeTurnId, |
| 1365 | running: true, |
| 1366 | turnActive: true, |
| 1367 | pendingPrompt: false, |
| 1368 | cancelRequested: false, |
| 1369 | cancellable: true, |
| 1370 | }; |
| 1371 | case "cancelling": |
| 1372 | return endPromptWait({ ...s, cancelRequested: true, pendingPrompt: false, approval: undefined, ask: undefined, mcpInteraction: undefined, cancellable: true }); |
| 1373 | case "waiting_user": |
| 1374 | return { ...s, running: true, turnActive: true, pendingPrompt: true, cancellable: true }; |
| 1375 | case "in_progress": |
| 1376 | return endPromptWait({ ...s, running: true, turnActive: true, pendingPrompt: false, cancelRequested: false, cancellable: true }); |
| 1377 | default: |
| 1378 | return s; |
| 1379 | } |
| 1380 | } |
| 1381 | case "prompt_answered": { |
| 1382 | if (e.turnId && s.activeTurnId && e.turnId !== s.activeTurnId) return s; |
| 1383 | if (e.itemId && s.approval?.id !== e.itemId && s.ask?.id !== e.itemId && s.mcpInteraction?.id !== e.itemId) return s; |
| 1384 | return endPromptWait({ |
| 1385 | ...s, |
| 1386 | approval: undefined, |
| 1387 | ask: undefined, |
| 1388 | mcpInteraction: undefined, |
| 1389 | pendingPrompt: false, |
| 1390 | running: true, |
| 1391 | turnActive: true, |
| 1392 | cancellable: true, |
| 1393 | resolvedPromptId: e.itemId ?? s.resolvedPromptId, |
| 1394 | }); |
| 1395 | } |
| 1396 | case "completion_summary": { |
| 1397 | if (!e.completion) return s; |
| 1398 | if (e.turnId && s.activeTurnId && e.turnId !== s.activeTurnId) return s; |
| 1399 | return withTurnResult(s, normalizeCompletionSummary({ ...s.completionSummary, ...e.completion, turnId: e.turnId ?? s.activeTurnId })); |
| 1400 | } |
| 1401 | case "text": |
| 1402 | case "reasoning": { |
| 1403 | return applyDeltaSegments(s, [{ kind: e.kind, delta: e.text ?? e.reasoning ?? "" }]); |
| 1404 | } |
| 1405 | case "message": { |
| 1406 | const existingAssistant = |
| 1407 | s.currentAssistant === undefined |
| 1408 | ? undefined |
| 1409 | : s.items.find((it): it is Extract<Item, { kind: "assistant" }> => it.kind === "assistant" && it.id === s.currentAssistant); |
| 1410 | const text = e.text ?? s.live?.text ?? existingAssistant?.text ?? ""; |
| 1411 | const reasoning = e.reasoning ?? s.live?.reasoning ?? existingAssistant?.reasoning ?? ""; |
| 1412 | if (text.trim() === "" && reasoning.trim() === "") { |
| 1413 | const keepEmpty = |
| 1414 | s.transcriptProtocol === 2 || Boolean(existingAssistant?.memoryCitations?.length) || Boolean(existingAssistant?.searchSources?.length); |
| 1415 | const items = |
| 1416 | existingAssistant && existingAssistant.text.trim() === "" && existingAssistant.reasoning.trim() === "" && !keepEmpty |
| 1417 | ? s.items.filter((it) => !(it.kind === "assistant" && it.id === existingAssistant.id)) |
| 1418 | : s.items; |
| 1419 | return { ...endTurnModelActivity(s, Date.now(), true), items, live: undefined, currentAssistant: undefined, turnOutputCharsAtUsage: 0 }; |
| 1420 | } |
| 1421 | const now = Date.now(); |
| 1422 | const settled = endTurnModelActivity(s, now, true); |
| 1423 | const active = ensureAssistant(settled); |
| 1424 | const id = active.currentAssistant!; |
| 1425 | const streamedChars = active.live?.id === id ? active.live.text.length + active.live.reasoning.length : 0; |
| 1426 | const turnOutputChars = Math.max(0, settled.turnOutputChars - streamedChars + text.length + reasoning.length); |
| 1427 | const completedLive = active.live?.id === id ? completeLiveReasoning({ ...active.live, text, reasoning }, now) : undefined; |
| 1428 | const reasoningDurationMs = liveReasoningDurationMs(completedLive); |
| 1429 | const workDurationMs = currentTurnDurationMs(settled, now); |
| 1430 | const next = active.items.map((it) => |
| 1431 | it.kind === "assistant" && it.id === id |
| 1432 | ? (() => { |
| 1433 | const memoryCitations = asArray<MemoryCitation>(e.memoryCitations ?? it.memoryCitations); |
| 1434 | return { |
| 1435 | ...it, |
| 1436 | text, |
| 1437 | reasoning, |
| 1438 | streaming: false, |
| 1439 | reasoningComplete: reasoning !== "" || it.reasoningComplete, |
| 1440 | reasoningDurationMs: reasoningDurationMs ?? it.reasoningDurationMs, |
| 1441 | workDurationMs: Math.max(it.workDurationMs ?? 0, workDurationMs ?? 0) || undefined, |
| 1442 | memoryCitations: memoryCitations.length > 0 ? memoryCitations : undefined, |
| 1443 | }; |
| 1444 | })() |
| 1445 | : it, |
| 1446 | ); |
| 1447 | return { ...active, items: next, live: undefined, currentAssistant: undefined, turnOutputChars, turnOutputCharsAtUsage: 0 }; |
| 1448 | } |
| 1449 | case "tool_dispatch": { |
| 1450 | const t = e.tool; |
| 1451 | if (!t) return s; |
| 1452 | // A partial dispatch (args still streaming from the model) upserts a |
| 1453 | // lightweight "receiving" card immediately. Dropping it entirely — the |
| 1454 | // old behavior — left a 30KB write_file body streaming for a minute with |
| 1455 | // zero visible activity, indistinguishable from a hang. The full |
| 1456 | // dispatch that follows merges by ID and fills in args/summary. |
| 1457 | if (t.partial) { |
| 1458 | const samplingState = t.parentId || s.currentAssistant ? s : ensureActiveAssistant(s); |
| 1459 | const turnArgChars = t.argChars && t.argChars > 0 ? t.argChars : s.turnArgChars; |
| 1460 | const activeState = t.parentId ? samplingState : sampleTurnArguments(beginTurnModelActivity(samplingState), t.argChars); |
| 1461 | // Some OpenAI-compatible streams surface the call name before its ID. |
| 1462 | // Without a stable ID the card could never be merged with the full |
| 1463 | // dispatch (a synthetic `tool${seq}` id would orphan it as a forever- |
| 1464 | // running duplicate), so count the progress but wait for the ID before |
| 1465 | // creating the card. |
| 1466 | if (!t.id) return { ...activeState, turnArgChars }; |
| 1467 | const id = t.id; |
| 1468 | const idx = activeState.items.findIndex((it) => it.kind === "tool" && it.id === id); |
| 1469 | if (idx >= 0) { |
| 1470 | const next = [...activeState.items]; |
| 1471 | const it = next[idx]; |
| 1472 | if (it.kind === "tool" && it.status === "running" && !it.args) { |
| 1473 | const prior = it; |
| 1474 | next[idx] = { ...it, argChars: t.argChars || it.argChars }; |
| 1475 | return noteToolInJournal({ ...activeState, items: next, turnArgChars }, id, true, prior, { |
| 1476 | attemptId: t.attemptId, parentId: t.parentId, partial: true, |
| 1477 | }); |
| 1478 | } |
| 1479 | return { ...activeState, turnArgChars }; |
| 1480 | } |
| 1481 | return noteToolInJournal({ |
| 1482 | ...activeState, |
| 1483 | turnArgChars, |
| 1484 | seq: activeState.seq + 1, |
| 1485 | items: [...activeState.items, { kind: "tool", id, name: t.name, args: "", readOnly: t.readOnly, resolvedName: t.resolvedName, capabilityId: t.capabilityId, status: "running", startedAt: Date.now(), argChars: t.argChars || undefined, parentId: t.parentId, subagentProgress: SUBAGENT_PROGRESS_TOOLS.has(t.name) ? freshSubagentProgress() : undefined }], |
| 1486 | }, id, false, undefined, { attemptId: t.attemptId, parentId: t.parentId, partial: true }); |
| 1487 | } |
| 1488 | const settled = t.parentId ? s : settleCurrentAssistant(s); |
| 1489 | const id = t.id || `tool${s.seq}`; |
| 1490 | const idx = settled.items.findIndex((it) => it.kind === "tool" && it.id === id); |
| 1491 | if (idx >= 0) { |
| 1492 | const next = [...settled.items]; |
| 1493 | const it = next[idx]; |
| 1494 | if (it.kind === "tool") { |
| 1495 | const args = t.args ? t.args : it.args; |
| 1496 | const fileDiff = fileDiffFromWire(t); |
| 1497 | const summary = summarizeFileDiff(fileDiff) || summarize(t.name, args) || (t.name === it.name && args === it.args ? it.summary : undefined); |
| 1498 | next[idx] = { ...it, name: t.name, args, readOnly: t.readOnly, resolvedName: t.resolvedName ?? it.resolvedName, capabilityId: t.capabilityId ?? it.capabilityId, profile: t.profile ?? it.profile, summary, fileDiff, argChars: undefined, isShell: it.isShell || isShellToolName(t.name) || id.startsWith("shell-"), execution: t.execution ?? it.execution, subagentProgress: it.subagentProgress ?? (SUBAGENT_PROGRESS_TOOLS.has(t.name) ? freshSubagentProgress() : undefined) }; |
| 1499 | } |
| 1500 | if (t.parentId) touchSubagentParent(next, t.parentId); |
| 1501 | return { ...settled, items: next }; |
| 1502 | } |
| 1503 | const args = t.args ?? ""; |
| 1504 | const fileDiff = fileDiffFromWire(t); |
| 1505 | const created: ToolItem = { kind: "tool", id, name: t.name, args, readOnly: t.readOnly, resolvedName: t.resolvedName, capabilityId: t.capabilityId, status: "running", startedAt: Date.now(), summary: summarizeFileDiff(fileDiff) || summarize(t.name, args), fileDiff, isShell: isShellToolName(t.name) || id.startsWith("shell-"), execution: t.execution, parentId: t.parentId, profile: t.profile, subagentProgress: SUBAGENT_PROGRESS_TOOLS.has(t.name) ? freshSubagentProgress() : undefined }; |
| 1506 | const items = [...settled.items, created]; |
| 1507 | // A sub-agent call nested under a task card refreshes that card's |
| 1508 | // recent activity and switches its phase to "tool". |
| 1509 | if (t.parentId) touchSubagentParent(items, t.parentId); |
| 1510 | return { ...settled, seq: settled.seq + 1, items }; |
| 1511 | } |
| 1512 | case "tool_result_preview": case "tool_result": { |
| 1513 | const t = e.tool; |
| 1514 | if (!t) return s; |
| 1515 | const next = [...s.items]; |
| 1516 | let idx = t.id ? next.findIndex((it) => it.kind === "tool" && it.id === t.id) : -1; |
| 1517 | const matched = idx >= 0 ? next[idx] : undefined; |
| 1518 | if (matched?.kind === "tool" && matched.identityConflict) return s; |
| 1519 | if (idx < 0) { |
| 1520 | for (let i = next.length - 1; i >= 0; i--) { |
| 1521 | const it = next[i]; |
| 1522 | if (it.kind === "tool" && it.status === "running") { idx = i; break; } |
| 1523 | } |
| 1524 | } |
| 1525 | if (idx >= 0) { |
| 1526 | const it = next[idx]; |
| 1527 | if (it.kind === "tool") { |
| 1528 | // Archive immediately: collapsed cards only show tool name + command |
| 1529 | // subject (from args). Drop output entirely; full data is loaded on |
| 1530 | // demand via app.ToolResultForTab when the card is expanded. |
| 1531 | const existing = it; |
| 1532 | const summary = t.err ? undefined : existing.summary || summarize(existing.name, existing.args, t.output); |
| 1533 | let status: ToolStatus = t.err ? "error" : "done"; |
| 1534 | if (existing.subagentProgress) { |
| 1535 | // Sub-agent progress owns the card's final visual: a background |
| 1536 | // call that returned a job id stays running while the child |
| 1537 | // works; a cancelled child keeps its stopped semantics even when |
| 1538 | // the aggregate result carries an error. Group cards |
| 1539 | // (parallel_tasks/fleet) settle only from their own lifecycle |
| 1540 | // terminal event — the backend emits running at start and exactly |
| 1541 | // one terminal at the end (including validation failures and |
| 1542 | // zero-child cancellation) — never from inferring the children |
| 1543 | // observed so far, since a background group's children dispatch |
| 1544 | // asynchronously and a fast child can finish before later ones |
| 1545 | // even appear. |
| 1546 | if (isGroupSubagentTool(existing.name)) { |
| 1547 | status = isTerminalSubagentPhase(existing.subagentProgress.phase) |
| 1548 | ? terminalStatusOf(existing.subagentProgress.phase) |
| 1549 | : "running"; |
| 1550 | } else if (!isTerminalSubagentPhase(existing.subagentProgress.phase)) { |
| 1551 | status = "running"; |
| 1552 | } else { |
| 1553 | status = terminalStatusOf(existing.subagentProgress.phase); |
| 1554 | } |
| 1555 | } |
| 1556 | next[idx] = { |
| 1557 | ...existing, |
| 1558 | readOnly: t.readOnly, |
| 1559 | resolvedName: t.resolvedName ?? existing.resolvedName, |
| 1560 | capabilityId: t.capabilityId ?? existing.capabilityId, |
| 1561 | status, |
| 1562 | output: t.output, |
| 1563 | error: t.err, |
| 1564 | truncated: t.truncated, |
| 1565 | durationMs: t.durationMs, |
| 1566 | summary, |
| 1567 | isShell: existing.isShell || isShellToolName(existing.name) || isShellToolName(t.name), |
| 1568 | execution: t.execution ?? existing.execution, |
| 1569 | presentedFiles: t.presentedFiles ?? existing.presentedFiles, |
| 1570 | subagentOutcome: t.subagentRef || t.subagentStatus |
| 1571 | ? [t.subagentRef, t.subagentStatus, t.subagentErrorCode, t.subagentRetryable] as const |
| 1572 | : existing.subagentOutcome, |
| 1573 | }; |
| 1574 | } |
| 1575 | } |
| 1576 | // A nested result refreshes its sub-agent parent's recent activity. |
| 1577 | if (t.parentId) touchSubagentParent(next, t.parentId); |
| 1578 | const items = preserveToolPayloads ? next : compactArchivedToolItems(next); |
| 1579 | const committedTodos = e.kind === "tool_result" && !t.err && t.todoWritten && Array.isArray(t.todos) |
| 1580 | ? t.todos.map((todo) => ({ content: todo.content, status: todo.status })) |
| 1581 | : undefined; |
| 1582 | const updated = committedTodos !== undefined && s.meta |
| 1583 | ? { ...s, items, meta: { ...s.meta, canonicalTodos: committedTodos } } |
| 1584 | : { ...s, items }; |
| 1585 | return withRunningChecks(attachWebSearchOutput(updated, t.name, t.output, t.err, idx >= 0 && next[idx]?.kind === "tool" ? next[idx].id : t.id)); |
| 1586 | } |
| 1587 | case "tool_progress": { |
| 1588 | const t = e.tool; |
| 1589 | if (!t?.id) return s; |
| 1590 | // Reserved sub-agent progress channels update the card's in-memory |
| 1591 | // preview; they never touch tool.output or the parent's live stream. |
| 1592 | if (isSubagentProgressName(t.name)) { |
| 1593 | return applySubagentProgress(s, t); |
| 1594 | } |
| 1595 | const idx = s.items.findIndex((it) => it.kind === "tool" && it.id === t.id); |
| 1596 | if (idx < 0) return s; |
| 1597 | const next = [...s.items]; |
| 1598 | const it = next[idx]; |
| 1599 | if (it.kind === "tool") next[idx] = { ...it, output: (it.output ?? "") + (t.output ?? ""), verifying: it.verifying || (t.verifying && it.status === "running") }; |
| 1600 | // Streaming output of a sub-agent's real tool refreshes its card. |
| 1601 | if (t.parentId) touchSubagentParent(next, t.parentId); |
| 1602 | return withRunningChecks({ ...s, items: next }); |
| 1603 | } |
| 1604 | case "usage": { |
| 1605 | if (!countsTowardCurrentTurn(s)) return s; |
| 1606 | const updateContextGauge = updatesContextGauge(e.usage); |
| 1607 | // Only executor usage belongs to the foreground model stream. Planner, |
| 1608 | // subagent, and auxiliary usage still contributes to session totals and |
| 1609 | // usageSeq, but must not close or inflate the executor TPS interval. |
| 1610 | const settled = updateContextGauge ? endTurnModelActivity(s, Date.now(), true) : s; |
| 1611 | const hasRequestCompletion = (e.usage?.contextCompletionTokens ?? 0) > 0; |
| 1612 | const sample = settled.turnRateSample; |
| 1613 | const requestModelMs = updateContextGauge ? (sample ? settled.turnModelActiveMs - sample.requestStartModelMs : settled.pendingRequestModelMs ?? 0) : 0; |
| 1614 | const requestTokens = updateContextGauge ? (sample |
| 1615 | ? tokensFromQuarters(sample.outputQuarters - sample.requestStartQuarters) |
| 1616 | : hasRequestCompletion ? (e.usage?.contextCompletionTokens ?? 0) : (e.usage?.completionTokens ?? 0)) : 0; |
| 1617 | const lastRequestTps = updateContextGauge ? (requestTokens > 0 && requestModelMs >= 500 ? requestTokens / (requestModelMs / 1000) : null) : s.lastRequestTps; |
| 1618 | const used = settled.context.window && updateContextGauge |
| 1619 | ? measuredContextPromptTokens(e.usage) ?? settled.context.used : settled.context.used; |
| 1620 | const turnTokens = settled.turnTokens + (e.usage?.completionTokens ?? 0); |
| 1621 | const turnOutputTokens = updateContextGauge |
| 1622 | ? settled.turnOutputTokens + (e.usage?.completionTokens ?? 0) |
| 1623 | : settled.turnOutputTokens; |
| 1624 | const turnOutputCharsAtUsage = updateContextGauge |
| 1625 | ? (settled.live?.text.length ?? 0) + (settled.live?.reasoning.length ?? 0) |
| 1626 | : settled.turnOutputCharsAtUsage; |
| 1627 | const turnOutputEstimated = updateContextGauge |
| 1628 | ? settled.turnOutputEstimated || Boolean(e.usage?.estimated) |
| 1629 | : settled.turnOutputEstimated; |
| 1630 | const usageTokens = usageTotalTokens(e.usage); |
| 1631 | const turnTotalTokens = settled.turnTotalTokens + usageTokens; |
| 1632 | const sessionTokens = settled.sessionTokens + usageTokens; |
| 1633 | const usageCost = e.usage?.cost ?? e.usage?.costUsd ?? 0; |
| 1634 | const turnCost = settled.turnCost + usageCost; |
| 1635 | const turnRateBand = mergeRateBand(settled.turnRateBand, e.usage?.costQuote?.rateBand); |
| 1636 | const sessionCost = settled.sessionCost + usageCost; |
| 1637 | const sessionCurrency = e.usage?.currency || settled.sessionCurrency || "¥"; |
| 1638 | const usage = updateContextGauge ? e.usage : settled.usage; |
| 1639 | const turnUsage = mergeChatTurnUsage(settled.turnUsage, e.usage); |
| 1640 | // The completed round's usage now accounts for the streamed tool-call |
| 1641 | // arguments, so drop the live estimate rather than double-count it. |
| 1642 | return { ...settled, usage, context: { ...settled.context, used, sessionTokens }, turnTokens, turnOutputTokens, turnOutputCharsAtUsage, turnOutputEstimated, turnTotalTokens, turnUsage, turnCost, turnRateBand, turnArgChars: updateContextGauge ? 0 : settled.turnArgChars, sessionTokens, sessionCost, sessionCurrency, usageSeq: settled.usageSeq + 1, lastRequestTps, pendingRequestModelMs: updateContextGauge ? undefined : settled.pendingRequestModelMs, |
| 1643 | turnRateSample: updateContextGauge && sample ? { ...sample, requestStartQuarters: sample.outputQuarters, requestStartModelMs: settled.turnModelActiveMs, argChars: 0 } : sample }; |
| 1644 | } |
| 1645 | case "read_status": |
| 1646 | return applyReadStatusEvent(s, e); |
| 1647 | case "notice": { |
| 1648 | const noticeId = e.code === "unapplied_steer" && e.messageId ? `he:m:${e.messageId}` : undefined; |
| 1649 | if (noticeId && s.items.some(item => item.id === noticeId)) return s; |
| 1650 | const next = appendNoticeToState(s, e.level ?? "info", e.text ?? "", e.detail, e.code, e.decisionReceipt, noticeId, e.diagnostic); |
| 1651 | return e.code?.startsWith("stream_interrupted_") ? { ...next, streamInterruptNoticeShown: true } : next; |
| 1652 | } |
| 1653 | case "context_maintenance": { |
| 1654 | const m = e.maintenance; |
| 1655 | if (!m || m.status === "noop") return s; |
| 1656 | if (!isNewMaintenanceOperation(s.seenMaintenanceOps, m.operationId)) return s; |
| 1657 | const next = appendNoticeToState(s, m.status === "failed" ? "warn" : "info", formatContextMaintenanceNotice(m, t), m.reason); |
| 1658 | return { ...next, seenMaintenanceOps: rememberMaintenanceOperation(s.seenMaintenanceOps, m.operationId) }; |
| 1659 | } |
| 1660 | case "phase": |
| 1661 | return { ...s, seq: s.seq + 1, items: [...s.items, { kind: "phase", id: `p${s.seq}`, text: e.text ?? "" }] }; |
| 1662 | case "session_operation": |
| 1663 | case "compaction_started": |
| 1664 | case "compaction_done": |
| 1665 | return reduceCompactionEvent(s, e); |
| 1666 | case "steer": |
| 1667 | return applySteerEvent(s, e); |
| 1668 | case "approval_request": { |
| 1669 | if (s.cancelRequested) return s; |
| 1670 | const approval = e.approval ? { ...e.approval, turnId: e.turnId ?? e.approval.turnId, runtimeEpoch: e.runtimeEpoch ?? e.approval.runtimeEpoch } : undefined; |
| 1671 | const approvalKind: InteractionKind = approval?.kind === "recovery" || approval?.recovery |
| 1672 | ? "recovery" : approval?.tool === "exit_plan_mode" ? "plan" : "approval"; |
| 1673 | // A delayed re-delivery of a prompt the user already answered locally |
| 1674 | // (clearApproval) must not resurrect it — no downstream snapshot is |
| 1675 | // guaranteed to ever reject it again (#6432 round 2). |
| 1676 | if (approval && (promptInstanceKeyForState(s, approval, approvalKind) === s.resolvedPromptKey || (!s.resolvedPromptKey && approval.id === s.resolvedPromptId))) return s; |
| 1677 | return beginPromptWait({ |
| 1678 | ...s, |
| 1679 | activeTurnId: e.turnId ?? s.activeTurnId, |
| 1680 | approval, |
| 1681 | // A replay of the SAME prompt (post-answer delayed delivery, or the |
| 1682 | // #6429 re-arm after activation) keeps the original arrival time; only |
| 1683 | // a genuinely new prompt id re-anchors it (#6432 reverse race). |
| 1684 | promptArrivedAt: e.approval?.id === s.promptArrivedId ? s.promptArrivedAt : promptEventClock(), |
| 1685 | promptArrivedId: e.approval?.id, |
| 1686 | pendingPrompt: true, |
| 1687 | running: true, |
| 1688 | turnActive: true, |
| 1689 | cancellable: true, |
| 1690 | }); |
| 1691 | } |
| 1692 | case "ask_request": { |
| 1693 | if (s.cancelRequested) return s; |
| 1694 | const ask = e.ask ? { ...e.ask, turnId: e.turnId ?? e.ask.turnId, runtimeEpoch: e.runtimeEpoch ?? e.ask.runtimeEpoch } : undefined; |
| 1695 | if (ask && (promptInstanceKeyForState(s, ask, "ask") === s.resolvedPromptKey || (!s.resolvedPromptKey && ask.id === s.resolvedPromptId))) return s; |
| 1696 | return beginPromptWait({ |
| 1697 | ...s, |
| 1698 | activeTurnId: e.turnId ?? s.activeTurnId, |
| 1699 | ask, |
| 1700 | promptArrivedAt: e.ask?.id === s.promptArrivedId ? s.promptArrivedAt : promptEventClock(), |
| 1701 | promptArrivedId: e.ask?.id, |
| 1702 | pendingPrompt: true, |
| 1703 | running: true, |
| 1704 | turnActive: true, |
| 1705 | cancellable: true, |
| 1706 | }); |
| 1707 | } |
| 1708 | case "mcp_interaction": { |
| 1709 | if (s.cancelRequested) return s; |
| 1710 | const interaction = e.mcpInteraction ? { ...e.mcpInteraction, turnId: e.turnId ?? e.mcpInteraction.turnId, runtimeEpoch: e.runtimeEpoch ?? e.mcpInteraction.runtimeEpoch } : undefined; |
| 1711 | if (interaction && (promptInstanceKeyForState(s, interaction, "mcp") === s.resolvedPromptKey || (!s.resolvedPromptKey && interaction.id === s.resolvedPromptId))) return s; |
| 1712 | return beginPromptWait({ |
| 1713 | ...s, |
| 1714 | activeTurnId: e.turnId ?? s.activeTurnId, |
| 1715 | mcpInteraction: interaction, |
| 1716 | promptArrivedAt: e.mcpInteraction?.id === s.promptArrivedId ? s.promptArrivedAt : promptEventClock(), |
| 1717 | promptArrivedId: e.mcpInteraction?.id, |
| 1718 | pendingPrompt: true, |
| 1719 | running: true, |
| 1720 | turnActive: true, |
| 1721 | cancellable: true, |
| 1722 | }); |
| 1723 | } |
| 1724 | case "guardian_assessment": { |
| 1725 | if (!e.guardian) return s; |
| 1726 | const level = e.guardian.outcome === "deny" ? "warn" : "info"; |
| 1727 | return { ...s, seq: s.seq + 1, items: [...s.items, { kind: "notice", id: `g${s.seq}`, level, text: formatGuardianAssessmentNotice(e.guardian) }] }; |
| 1728 | } |
| 1729 | case "turn_done": { |
| 1730 | if (e.turnId && s.activeTurnId && e.turnId !== s.activeTurnId) return s; |
| 1731 | s = checkpointLocalSubmission(s, e.submissionId, e.checkpointTurn); |
| 1732 | s = { ...s, readStatuses: undefined, readStatusClosed: true }; |
| 1733 | const now = Date.now(); |
| 1734 | s = snapshotCompletedTurnTelemetry(s, now); |
| 1735 | const workDurationMs = s.turnDoneAt ? Math.max(1, s.turnDoneAt - s.turnStartAt - (s.lastTurnWaitAccumMs ?? 0)) : undefined; |
| 1736 | const turnDurationMs = s.turnDoneAt && s.turnStartAt > 0 ? Math.max(1, s.turnDoneAt - s.turnStartAt) : undefined; |
| 1737 | const rateTokens = s.turnRateSample ? tokensFromQuarters(s.turnRateSample.outputQuarters) : s.lastTurnOutputTokens; |
| 1738 | const tokensPerSecond = rateTokens > 0 && s.lastTurnModelMs >= 500 |
| 1739 | ? rateTokens / (s.lastTurnModelMs / 1000) |
| 1740 | : undefined; |
| 1741 | const settleItems = s.items.map((it) => { |
| 1742 | if (it.kind === "assistant") { |
| 1743 | const completedLive = s.live?.id === it.id ? completeLiveReasoning(s.live, now) : undefined; |
| 1744 | return { |
| 1745 | ...it, |
| 1746 | text: completedLive?.text ?? it.text, |
| 1747 | reasoning: completedLive?.reasoning ?? it.reasoning, |
| 1748 | streaming: false, |
| 1749 | reasoningComplete: completedLive?.reasoningComplete ?? it.reasoningComplete, |
| 1750 | reasoningDurationMs: liveReasoningDurationMs(completedLive) ?? it.reasoningDurationMs, |
| 1751 | }; |
| 1752 | } |
| 1753 | if (it.kind === "tool" && it.status === "running") return { ...it, status: "stopped" as const, resultMissing: false }; |
| 1754 | return it; |
| 1755 | }); |
| 1756 | const completedItems = s.transcriptProtocol === 2 ? settleItems : removeEmptyAssistantItems(settleItems); |
| 1757 | let lastAssistantIndex = -1; |
| 1758 | for (let i = completedItems.length - 1; s.transcriptProtocol !== 2 && i >= 0; i -= 1) { |
| 1759 | if (completedItems[i].kind === "user") break; |
| 1760 | if (completedItems[i].kind === "assistant") { lastAssistantIndex = i; break; } |
| 1761 | } |
| 1762 | const finalized = completedItems.map((it, index) => |
| 1763 | it.kind === "assistant" && index === lastAssistantIndex |
| 1764 | ? { |
| 1765 | ...it, |
| 1766 | workDurationMs: Math.max(it.workDurationMs ?? 0, workDurationMs ?? 0) || undefined, |
| 1767 | turnDurationMs: Math.max(it.turnDurationMs ?? 0, turnDurationMs ?? 0) || undefined, |
| 1768 | turnUsage: s.turnUsage, |
| 1769 | tokensPerSecond, |
| 1770 | createdAt: it.createdAt ?? now, |
| 1771 | } |
| 1772 | : it, |
| 1773 | ); |
| 1774 | let items: Item[] = finalized; |
| 1775 | if (s.deliveryRecoveryActive && !e.err) { |
| 1776 | items = finalized.filter((item) => item.kind !== "notice" || item.variant !== "delivery"); |
| 1777 | } |
| 1778 | if (e.outcome === "incomplete_read") { |
| 1779 | items = upsertReadPause(items, e.readPause, `read-pause-${e.turnId ?? s.seq}`); |
| 1780 | } else if (e.outcome === "final_readiness") { |
| 1781 | const previous = items.map((item) => item.kind === "notice" && item.variant === "delivery" |
| 1782 | ? { ...item, action: undefined } |
| 1783 | : item); |
| 1784 | items = [...previous, { |
| 1785 | kind: "notice", |
| 1786 | id: `e${s.seq}`, |
| 1787 | level: "info", |
| 1788 | variant: "delivery", |
| 1789 | title: t("notice.deliveryIncompleteTitle"), |
| 1790 | text: t("notice.deliveryIncompleteBody"), |
| 1791 | detail: deliveryReadinessDetail(e.readiness, e.err), |
| 1792 | action: "continue_delivery", |
| 1793 | missing: readinessMissingIds(e.readiness), |
| 1794 | }]; |
| 1795 | } else if (e.outcome === "recovery_paused") { |
| 1796 | // Informational pause — not a send failure. Composer is immediately free. |
| 1797 | items = [...finalized, { |
| 1798 | kind: "notice", |
| 1799 | id: `e${s.seq}`, |
| 1800 | level: "info", |
| 1801 | title: t("notice.recoveryPausedTitle"), |
| 1802 | text: t("notice.recoveryPausedBody"), |
| 1803 | }]; |
| 1804 | } else if (e.outcome === "completion_uncertain") { |
| 1805 | items = [...finalized, { kind: "notice", id: `e${s.seq}`, level: "info", title: t("notice.completionUncertainTitle"), text: t("notice.completionUncertainBody") }]; |
| 1806 | } else if (e.status === "interrupted" || e.status === "recovery_required") { |
| 1807 | const interruptItems: Item[] = [{ kind: "notice", id: `e${s.seq}`, level: "info", text: t("notice.cancelledTurnDisplay") }]; |
| 1808 | // A stop during a broken provider stream would otherwise look like an |
| 1809 | // unexplained silence; surface the last known failure reason (#9560). |
| 1810 | if (s.lastStreamInterrupt?.reason) { |
| 1811 | interruptItems.push({ |
| 1812 | kind: "notice", |
| 1813 | id: `e${s.seq + 1}`, |
| 1814 | level: "warn", |
| 1815 | text: t("notice.streamInterruptReason", { reason: streamInterruptReasonText(s.lastStreamInterrupt.reason) }), |
| 1816 | }); |
| 1817 | } |
| 1818 | if (e.err && e.diagnostic && e.diagnostic.kind !== "cancelled" && !s.streamInterruptNoticeShown) { |
| 1819 | interruptItems.push({ kind: "notice", id: `e${s.seq + interruptItems.length}`, level: "warn", text: e.err, detail: e.detail, ...(e.diagnostic ? { diagnostic: e.diagnostic } : {}) }); |
| 1820 | } |
| 1821 | items = [...finalized, ...interruptItems]; |
| 1822 | } else if (e.err && !s.streamInterruptNoticeShown) { |
| 1823 | items = [...finalized, { kind: "notice", id: `e${s.seq}`, level: "warn", text: e.err, detail: e.detail, ...(e.diagnostic ? { diagnostic: e.diagnostic } : {}) }]; |
| 1824 | } |
| 1825 | if (e.protocolRecovery?.id && e.status !== "interrupted" && !s.cancelRequested) { |
| 1826 | items = items.map(item => item.kind==="notice" && item.action==="recover_context" ? {...item,action:undefined} : item); |
| 1827 | items.push({kind:"notice",id:`e${s.seq}-protocol`,level:"info",code:"protocol_recovery",text:t("notice.protocolRecoveryBody"),action:"recover_context",recoveryId:e.protocolRecovery.id}); |
| 1828 | } |
| 1829 | // Plan approval can arrive before turn_done on some bridge event paths. |
| 1830 | // Keep that gate visible instead of clearing the only UI that can answer it. |
| 1831 | const keepPlanApproval = s.transcriptProtocol !== 2 && s.approval?.tool === "exit_plan_mode"; |
| 1832 | let next: State = { |
| 1833 | ...s, |
| 1834 | items: applyTurnCheckpoint(items, e.submissionId, e.checkpointTurn), |
| 1835 | live: undefined, |
| 1836 | streamAttemptJournal: undefined, |
| 1837 | running: keepPlanApproval, |
| 1838 | turnActive: keepPlanApproval, |
| 1839 | turnPhase: keepPlanApproval ? s.turnPhase : undefined, |
| 1840 | pendingPrompt: keepPlanApproval, |
| 1841 | cancelRequested: false, |
| 1842 | cancellable: keepPlanApproval, |
| 1843 | currentAssistant: undefined, |
| 1844 | assistantSegmentOrdinal: 0, |
| 1845 | activeTurnId: undefined, |
| 1846 | approval: keepPlanApproval ? s.approval : undefined, |
| 1847 | ask: undefined, |
| 1848 | mcpInteraction: undefined, |
| 1849 | deliveryRecoveryActive: false, |
| 1850 | turnLifecycleObservedAt: promptEventClock(), |
| 1851 | seq: s.seq + Math.max(items.length - finalized.length, 1), |
| 1852 | lastStreamInterrupt: undefined, |
| 1853 | streamInterruptNoticeShown: undefined, |
| 1854 | }; |
| 1855 | // Close user-wait unless the plan approval gate remains open. |
| 1856 | next = keepPlanApproval ? beginPromptWait(next, now) : endPromptWait(next, now); |
| 1857 | if (e.receipt || s.completionSummary) { |
| 1858 | const summary = mergeTurnResult(s.completionSummary, e.receipt, e.turnId, e.checkpointTurn); |
| 1859 | return withTurnResult(next, { ...summary, checking: false }); |
| 1860 | } |
| 1861 | return next; |
| 1862 | } |
| 1863 | default: return s; |
| 1864 | } |
| 1865 | } |
| 1866 | |
| 1867 | export function reducer(s: State, a: Action): State { |
| 1868 | const next = reconcileMaintenanceState(reduceState(s, a), a); |
| 1869 | return next.items !== s.items ? settleLocalSubmissions(next, next.items) : next; |
| 1870 | } |
| 1871 | |
| 1872 | function reduceState(s: State, a: Action): State { |
| 1873 | switch (a.type) { |
| 1874 | case "submission_verified": { |
| 1875 | const local = s.localSubmissions[a.submissionId]; |
| 1876 | if (!local || local.messageId !== a.messageId) return s; |
| 1877 | return settleLocalSubmissions(s, s.items, [{ messageId: a.messageId, submissionId: a.submissionId }]); |
| 1878 | } |
| 1879 | case "transcript_connection": return s.transcriptConnection === a.status && s.transcriptConnectionError === a.error |
| 1880 | ? s : { ...s, transcriptConnection: a.status, transcriptConnectionError: a.error }; |
| 1881 | case "transcript_runtime": { |
| 1882 | const runtime = a.runtime; |
| 1883 | const active = runtime.status === "queued" || runtime.status === "in_progress" || runtime.status === "waiting_user" || runtime.status === "cancelling"; |
| 1884 | const authoritative = Boolean(runtime.status) && (!s.pendingSubmissionId || s.pendingSubmissionId === runtime.submissionId || runtime.turnId === s.activeTurnId); |
| 1885 | const finalId = runtime.finalMessageId ? `m:${runtime.finalMessageId}` : undefined; |
| 1886 | const usage = runtime.turnUsage ? { ...runtime.turnUsage, |
| 1887 | cacheReadTokens: runtime.turnUsage.cacheReadTokens ?? undefined, |
| 1888 | reasoningTokens: runtime.turnUsage.reasoningTokens ?? undefined } : undefined; |
| 1889 | return { ...s, ...(authoritative ? { running: active, turnActive: active, cancellable: active, |
| 1890 | cancelRequested: runtime.status === "cancelling", activeTurnId: active ? runtime.turnId : undefined, |
| 1891 | turnPhase: active ? runtime.phase : undefined } : {}), transcriptRuntime: runtime, items: s.items.map(item => |
| 1892 | item.kind === "assistant" && item.id === finalId && runtime.durationMs |
| 1893 | ? { ...item, turnFinal: true, turnDurationMs: runtime.durationMs, turnUsage: usage, |
| 1894 | samplingCount: runtime.samplingCount || runtime.toolCount ? runtime.samplingCount : item.samplingCount, |
| 1895 | toolCount: runtime.samplingCount || runtime.toolCount ? runtime.toolCount : item.toolCount } : item) }; |
| 1896 | } |
| 1897 | case "transcript_v2_snapshot": { |
| 1898 | const next = transcriptSnapshotState(s, a.snapshot, historyMessagesToItems, (state, event) => applyEvent(state, event, a.remote), promptEventClock(), a.projection.items); |
| 1899 | return { ...next, transcriptProtocol: 2, transcriptProjectedIds: a.projection.items.map(item => item.id), historyStartTurn: a.projection.startTurn, |
| 1900 | historyEndTurn: a.projection.endTurn, historyTotalTurns: a.projection.totalTurns, historyHasOlder: a.projection.hasOlder, historyHasNewer: a.projection.hasNewer, |
| 1901 | historyRevision: a.projection.revision, historyDigest: a.projection.digest }; |
| 1902 | } |
| 1903 | case "transcript_records": return installTranscriptRecords(s, a); |
| 1904 | case "transcript_snapshot": return transcriptSnapshotState(s, a.snapshot, historyMessagesToItems, (state, event) => applyEvent(state, event, a.remote), promptEventClock()); |
| 1905 | case "transcript_page": return transcriptPageState(s, a.snapshot, historyMessagesToItems); |
| 1906 | case "user": return startLocalSubmission(s, a, promptEventClock()); |
| 1907 | case "unsend": { |
| 1908 | const cleared = endPromptWait(updateLocalSubmission({ |
| 1909 | ...s, |
| 1910 | pendingUser: undefined, |
| 1911 | pendingSubmissionId: undefined, |
| 1912 | discardTurn: true, |
| 1913 | running: false, |
| 1914 | pendingPrompt: false, |
| 1915 | cancelRequested: true, |
| 1916 | cancellable: false, |
| 1917 | approval: undefined, |
| 1918 | ask: undefined, |
| 1919 | mcpInteraction: undefined, |
| 1920 | promptArrivedAt: undefined, |
| 1921 | promptArrivedId: undefined, |
| 1922 | live: undefined, |
| 1923 | turnLifecycleObservedAt: promptEventClock(), |
| 1924 | }, s.pendingSubmissionId, { status: "unknown" })); |
| 1925 | return cleared; |
| 1926 | } |
| 1927 | case "cancel_requested": { |
| 1928 | return endPromptWait({ |
| 1929 | ...s, |
| 1930 | readStatuses: undefined, |
| 1931 | readStatusClosed: true, |
| 1932 | pendingPrompt: false, |
| 1933 | cancelRequested: true, |
| 1934 | approval: undefined, |
| 1935 | ask: undefined, |
| 1936 | mcpInteraction: undefined, |
| 1937 | promptArrivedAt: undefined, |
| 1938 | promptArrivedId: undefined, |
| 1939 | cancellable: s.running || s.turnActive, |
| 1940 | }); |
| 1941 | } |
| 1942 | case "send_confirmed": return confirmPendingUser(s, a.submissionId); |
| 1943 | case "management_requested": return { ...s, seq: s.seq + 1 }; |
| 1944 | case "management_confirmed": return reduceManagementConfirmation(s, a.submissionId, promptEventClock(), a.receipt); |
| 1945 | case "turn_admitted": |
| 1946 | return s.localSubmissions[a.submissionId] && a.turnId |
| 1947 | ? updateLocalSubmission(s.pendingSubmissionId === a.submissionId ? { ...s, activeTurnId: a.turnId } : s, a.submissionId, |
| 1948 | { turnId: a.turnId, status: s.localSubmissions[a.submissionId].status === "failed" ? "failed" : "accepted" }) |
| 1949 | : s; |
| 1950 | case "turn_submit_rejected": |
| 1951 | case "send_failed": return reduceSubmitFailure(s, a.submissionId, a.error, a.type === "turn_submit_rejected", promptEventClock()); |
| 1952 | case "send_queued": return reduceSubmitQueued(s, a.submissionId, promptEventClock()); |
| 1953 | case "turn_submit_unknown": return reduceSubmitUnknown(s, a.submissionId, a.error); |
| 1954 | case "turn_interrupted": { |
| 1955 | return withRemoteTurnInterrupted(s); |
| 1956 | } |
| 1957 | case "backend_status": { |
| 1958 | if (s.transcriptProtocol) { |
| 1959 | if (a.runtimeEpoch && s.runtimeStatusEpoch && a.runtimeEpoch !== s.runtimeStatusEpoch) return s; |
| 1960 | const backgroundJobs = Math.max(0, a.backgroundJobs ?? s.backgroundJobs ?? 0); |
| 1961 | return backgroundJobs === s.backgroundJobs ? s : { ...s, backgroundJobs }; |
| 1962 | } |
| 1963 | const incomingEpoch = a.runtimeEpoch?.trim(); |
| 1964 | const storedEpoch = s.runtimeStatusEpoch?.trim(); |
| 1965 | if (runtimeStatusSnapshotIsStale(s, a)) return s; |
| 1966 | // Reject snapshots that began before newer prompt or turn lifecycle evidence. |
| 1967 | if (runtimeSnapshotPredatesPrompt(s, a.snapshotAt) || snapshotPredatesTurnLifecycle(s.turnLifecycleObservedAt, a.snapshotAt)) return s; |
| 1968 | const runtimeStatus = { runtimeStatusEpoch: incomingEpoch ?? storedEpoch, runtimeStatusSeq: a.turnEventSeq ?? s.runtimeStatusSeq, runtimeStatusSnapshotAt: a.snapshotAt }; |
| 1969 | const pendingPrompt = Boolean(a.pendingPrompt); |
| 1970 | const backgroundJobs = Math.max(0, a.backgroundJobs ?? s.backgroundJobs ?? 0); |
| 1971 | const cancelRequested = Boolean(a.cancelRequested); |
| 1972 | const foregroundRunning = foregroundRunningFromRuntimeMeta({ running: a.running, pendingPrompt, backgroundJobs, cancellable: a.cancellable }); |
| 1973 | const turnStartedAt = foregroundRunning ? resolveSnapshotTurnStartedAt(s.running || s.turnActive ? s.turnStartAt : 0, a.turnStartedAt) : s.turnStartAt; |
| 1974 | const activeTurnId = foregroundRunning ? a.turnId ?? s.activeTurnId : undefined; |
| 1975 | // A retry event is newer evidence of foreground activity than an idle |
| 1976 | // snapshot whose fetch started earlier. Keep the turn cancellable until |
| 1977 | // a snapshot started after the retry confirms that it is actually idle. |
| 1978 | if (!foregroundRunning && runtimeSnapshotPredatesRetry(s, a.snapshotAt)) return s; |
| 1979 | const cancellable = foregroundRunning; |
| 1980 | const clearsRetry = !foregroundRunning && s.retry !== undefined; |
| 1981 | if ( |
| 1982 | foregroundRunning === s.running && |
| 1983 | pendingPrompt === s.pendingPrompt && |
| 1984 | backgroundJobs === s.backgroundJobs && |
| 1985 | cancelRequested === s.cancelRequested && |
| 1986 | cancellable === s.cancellable && |
| 1987 | turnStartedAt === s.turnStartAt && |
| 1988 | activeTurnId === s.activeTurnId && |
| 1989 | !clearsRetry |
| 1990 | ) return incomingEpoch || a.turnEventSeq !== undefined |
| 1991 | ? { ...s, ...runtimeStatus } : s; |
| 1992 | if (foregroundRunning) { |
| 1993 | return { |
| 1994 | ...s, |
| 1995 | ...(s.turnDoneAt > 0 && turnStartedAt !== s.turnStartAt ? resetTurnTiming(turnStartedAt) : {}), |
| 1996 | ...runtimeStatus, |
| 1997 | running: true, |
| 1998 | turnActive: true, |
| 1999 | pendingPrompt, |
| 2000 | backgroundJobs, |
| 2001 | cancelRequested, |
| 2002 | cancellable, |
| 2003 | activeTurnId, |
| 2004 | turnStartAt: turnStartedAt, |
| 2005 | }; |
| 2006 | } |
| 2007 | const telemetry = snapshotCompletedTurnTelemetry(s); |
| 2008 | const finalized = removeEmptyAssistantItems(telemetry.items.map((it) => { |
| 2009 | if (it.kind === "assistant" && telemetry.live && it.id === telemetry.live.id) return { ...it, text: telemetry.live.text, reasoning: telemetry.live.reasoning, streaming: false }; |
| 2010 | if (it.kind === "assistant" && it.streaming) return { ...it, streaming: false }; |
| 2011 | if (it.kind === "tool" && it.status === "running") return { ...it, status: "stopped" as const }; |
| 2012 | return it; |
| 2013 | })); |
| 2014 | return endPromptWait({ |
| 2015 | ...telemetry, |
| 2016 | ...runtimeStatus, |
| 2017 | items: finalized, |
| 2018 | running: false, |
| 2019 | turnActive: false, |
| 2020 | pendingPrompt, |
| 2021 | backgroundJobs, |
| 2022 | cancelRequested, |
| 2023 | cancellable, |
| 2024 | activeTurnId: undefined, |
| 2025 | live: undefined, |
| 2026 | currentAssistant: undefined, |
| 2027 | assistantSegmentOrdinal: 0, |
| 2028 | streamAttemptJournal: undefined, |
| 2029 | approval: undefined, |
| 2030 | ask: undefined, |
| 2031 | mcpInteraction: undefined, |
| 2032 | retry: undefined, |
| 2033 | }); |
| 2034 | } |
| 2035 | case "meta": { |
| 2036 | const meta = a.meta.sessionPath === undefined && s.meta?.sessionPath !== undefined ? { ...a.meta, sessionPath: s.meta.sessionPath } : a.meta; |
| 2037 | const runtimeStateSnapshot = meta.runtimeStateSnapshot |
| 2038 | ? acceptSessionRuntimeSnapshot(s.runtimeStateSnapshot, meta.runtimeStateSnapshot, true) |
| 2039 | : s.runtimeStateSnapshot; |
| 2040 | const acceptedMeta = runtimeStateSnapshot?.todos !== undefined |
| 2041 | ? { ...meta, canonicalTodos: runtimeStateSnapshot.todos } |
| 2042 | : meta; |
| 2043 | return sameMeta(s.meta, acceptedMeta) && runtimeStateSnapshot === s.runtimeStateSnapshot |
| 2044 | ? s |
| 2045 | : { ...s, meta: acceptedMeta, runtimeStateSnapshot }; |
| 2046 | } |
| 2047 | case "optimistic_meta": return sameMeta(s.meta, a.meta) ? s : { ...s, meta: a.meta, hydrateError: undefined }; |
| 2048 | case "runtime_snapshot": |
| 2049 | return reduceMaintenanceRuntimeSnapshot(s, a.snapshot); |
| 2050 | case "context": { |
| 2051 | const sessionTokens = typeof a.context.sessionTokens === "number" |
| 2052 | ? Math.max(0, a.context.sessionTokens) |
| 2053 | : s.sessionTokens; |
| 2054 | const sessionCost = typeof a.context.sessionCost === "number" && a.context.sessionCost > 0 |
| 2055 | ? a.context.sessionCost |
| 2056 | : s.sessionCost; |
| 2057 | const sessionCurrency = a.context.sessionCurrency || s.sessionCurrency; |
| 2058 | // Mid-turn snapshot refreshes can race a rebuilt executor whose |
| 2059 | // LastUsage is still nil: the backend then reports used=0 for a session |
| 2060 | // that visibly holds tokens, and the gauge collapses to "0/1M" until the |
| 2061 | // next executor usage arrives. Keep the last known fill while a turn is |
| 2062 | // live; genuine resets flow through the "reset" action or land when the |
| 2063 | // session is idle. |
| 2064 | const context = |
| 2065 | a.context.used === 0 && s.context.used > 0 && (s.running || s.turnActive) && a.context.window === s.context.window |
| 2066 | ? { ...a.context, used: s.context.used } |
| 2067 | : a.context; |
| 2068 | return { ...s, context, sessionTokens, sessionCost, sessionCurrency }; |
| 2069 | } |
| 2070 | case "balance": return { ...s, balance: a.balance }; |
| 2071 | case "effort": return { ...s, effort: a.effort }; |
| 2072 | case "jobs": return { ...s, jobs: a.jobs }; |
| 2073 | case "checkpoints": return { ...s, checkpoints: a.checkpoints }; |
| 2074 | case "fork_targets": case "fork_creating": return { ...s, ...reduceForkTurn(s, a) }; |
| 2075 | case "hydrate_start": return { |
| 2076 | ...s, |
| 2077 | hydrating: true, |
| 2078 | hydrateReason: a.reason, |
| 2079 | hydrateError: undefined, |
| 2080 | hydrateHistoryLoaded: false, |
| 2081 | hydratePlaceholderItems: a.placeholderItems?.length ? a.placeholderItems : undefined, |
| 2082 | }; |
| 2083 | case "history_cache_evicted": return releaseCachedHistory(s); |
| 2084 | case "hydrate_done": return s.hydrating || s.hydrateReason || s.hydrateError || s.hydrateHistoryLoaded || s.hydratePlaceholderItems |
| 2085 | ? { ...s, hydrating: false, hydrateReason: undefined, hydrateError: undefined, hydrateHistoryLoaded: undefined, hydratePlaceholderItems: undefined } |
| 2086 | : s; |
| 2087 | case "hydrate_error": return applyHydrateErrorState(s, a.reason, a.error); |
| 2088 | case "backend_activation_start": { |
| 2089 | // Backend metadata makes a cached background prompt safe to preserve. |
| 2090 | // Otherwise retain the compatibility reset for stale/untagged events. |
| 2091 | const preservePrompt = Boolean(a.backendPendingPrompt && (s.approval || s.ask)); |
| 2092 | return { |
| 2093 | ...s, |
| 2094 | backendActivationPending: true, |
| 2095 | pendingPrompt: preservePrompt, |
| 2096 | approval: preservePrompt ? s.approval : undefined, |
| 2097 | ask: preservePrompt ? s.ask : undefined, |
| 2098 | // A confirmed cached prompt keeps its original freshness boundary. |
| 2099 | promptArrivedAt: preservePrompt ? s.promptArrivedAt : undefined, |
| 2100 | promptArrivedId: preservePrompt ? s.promptArrivedId : undefined, |
| 2101 | running: preservePrompt, |
| 2102 | turnActive: preservePrompt, |
| 2103 | cancellable: preservePrompt, |
| 2104 | }; |
| 2105 | } |
| 2106 | case "backend_activation_done": return s.backendActivationPending ? { ...s, backendActivationPending: false } : s; |
| 2107 | case "message_action_start": return { ...s, messageAction: a.action }; |
| 2108 | case "message_action_done": return { ...s, messageAction: undefined }; |
| 2109 | case "history": { |
| 2110 | const { items, seq } = historyMessagesToItems(a.messages, "h", s.seq); |
| 2111 | const reconciled = reconcileSessionOperationItems(items, s.items); |
| 2112 | // Remote cards have no local ToolResultForTab fallback; retain expansion data. |
| 2113 | return { ...s, items: a.remote ? reconciled : compactArchivedToolItems(reconciled), historyPrefixCount: reconciled.length, pendingSubmissionId: undefined, seq, hydrateHistoryLoaded: true, hydratePlaceholderItems: undefined, historyStartTurn: 0, historyEndTurn: 0, historyTotalTurns: 0, historyHasOlder: false, historyHasNewer: false, historyOlderLoading: false, historyOlderError: undefined, historyNewerLoading: false, historyNewerError: undefined, historyRevision: undefined, historyDigest: undefined, historyMutation: { seq: s.historyMutation.seq + 1, kind: "replace" } }; |
| 2114 | } |
| 2115 | case "history_page": { |
| 2116 | if (historyRevisionIsOlder(s.historyRevision, a.page.revision)) return s; |
| 2117 | const { items, seq, firstTurn } = historyPageItems(a.page); |
| 2118 | const nextItems = reconcileSessionOperationItems(a.mode === "prepend" ? [...items, ...s.items] : items, s.items); |
| 2119 | return { |
| 2120 | ...s, |
| 2121 | items: compactArchivedToolItems(nextItems), |
| 2122 | historyPrefixCount: a.mode === "prepend" ? items.length + s.historyPrefixCount : items.length, |
| 2123 | pendingSubmissionId: a.mode === "replace" ? undefined : s.pendingSubmissionId, |
| 2124 | seq: Math.max(s.seq, seq), |
| 2125 | hydrateHistoryLoaded: true, |
| 2126 | hydratePlaceholderItems: undefined, |
| 2127 | historyStartTurn: firstTurn, |
| 2128 | historyEndTurn: a.page.endTurn, |
| 2129 | historyTotalTurns: a.page.totalTurns, |
| 2130 | historyHasOlder: a.page.hasOlder, |
| 2131 | historyHasNewer: false, |
| 2132 | historyOlderLoading: false, |
| 2133 | historyOlderError: undefined, |
| 2134 | historyNewerLoading: false, |
| 2135 | historyNewerError: undefined, |
| 2136 | historyRevision: a.page.revision, |
| 2137 | historyDigest: a.page.digest, |
| 2138 | historyMutation: { seq: s.historyMutation.seq + 1, kind: a.mode }, |
| 2139 | }; |
| 2140 | } |
| 2141 | case "history_older_start": return s.historyOlderLoading && !s.historyOlderError ? s : { ...s, historyOlderLoading: true, historyOlderError: undefined }; |
| 2142 | case "history_older_error": return { ...s, historyOlderLoading: false, historyOlderError: a.error }; |
| 2143 | case "history_newer_start": return s.historyNewerLoading && !s.historyNewerError ? s : { ...s, historyNewerLoading: true, historyNewerError: undefined }; |
| 2144 | case "history_newer_error": return { ...s, historyNewerLoading: false, historyNewerError: a.error }; |
| 2145 | case "history_replace": |
| 2146 | case "history_rebase": |
| 2147 | case "history_prepend": |
| 2148 | case "history_append": |
| 2149 | { |
| 2150 | const next = reduceHistoryWindowState(s, a); |
| 2151 | if (next.transcriptProtocol !== 2) return next; |
| 2152 | if (next.historyHasNewer) return { ...next, offscreenItems: s.offscreenItems ?? s.items.filter(item => item.id === s.live?.id) }; |
| 2153 | const active = s.offscreenItems?.find(item => item.id === s.live?.id); |
| 2154 | const items = active ? next.items.some(item => item.id === active.id) |
| 2155 | ? next.items.map(item => item.id === active.id ? active : item) |
| 2156 | : [...next.items, active] : next.items; |
| 2157 | return { ...next, items, offscreenItems: undefined }; |
| 2158 | } |
| 2159 | // Ref-resolved full content landed for history items already on screen: |
| 2160 | // patch by stable item id so the live tail and untouched items keep their |
| 2161 | // identity. |
| 2162 | case "history_items_patch": { |
| 2163 | let changed = false; |
| 2164 | const next = s.items.map((item) => { |
| 2165 | const patch = a.patches[item.id]; |
| 2166 | if (!patch) return item; |
| 2167 | if (a.expected?.[item.id] && a.expected[item.id] !== item) return item; |
| 2168 | changed = true; |
| 2169 | if (item.kind === "assistant" && patch.kind === "assistant" && item.turnFinal) { |
| 2170 | return { ...patch, turnFinal: true, turnDurationMs: item.turnDurationMs, turnUsage: item.turnUsage, |
| 2171 | samplingCount: item.samplingCount, toolCount: item.toolCount }; |
| 2172 | } |
| 2173 | return patch; |
| 2174 | }); |
| 2175 | return changed ? { ...s, items: next, historyLayoutRevision: s.historyLayoutRevision + 1, historyMutation: { seq: s.historyMutation.seq + 1, kind: "patch" } } : s; |
| 2176 | } |
| 2177 | case "local_notice": return { ...s, running: a.preserveRuntime || s.transcriptProtocol === 2 ? s.running : false, turnActive: a.preserveRuntime || s.transcriptProtocol === 2 ? s.turnActive : false, seq: s.seq + 1, items: [...s.items, { kind: "notice", id: `n${s.seq}`, local: true, level: a.level, text: a.text }] }; |
| 2178 | case "clearApproval": { |
| 2179 | if (a.target && !stateOwnsInteraction(s, a.target)) return s; |
| 2180 | const next = { |
| 2181 | ...s, |
| 2182 | approval: undefined, |
| 2183 | pendingPrompt: Boolean(s.ask || s.mcpInteraction), |
| 2184 | resolvedPromptId: s.approval?.id ?? s.resolvedPromptId, |
| 2185 | resolvedPromptKey: a.target?.instanceKey ?? s.resolvedPromptKey, |
| 2186 | }; |
| 2187 | return endPromptWaitIfIdle(next); |
| 2188 | } |
| 2189 | case "clearAsk": { |
| 2190 | const next = { |
| 2191 | ...s, |
| 2192 | ask: undefined, |
| 2193 | mcpInteraction: undefined, |
| 2194 | pendingPrompt: Boolean(s.approval), |
| 2195 | resolvedPromptId: s.ask?.id ?? s.mcpInteraction?.id ?? s.resolvedPromptId, |
| 2196 | }; |
| 2197 | return endPromptWaitIfIdle(next); |
| 2198 | } |
| 2199 | case "expire_prompt": { |
| 2200 | if (s.promptEpoch !== a.epoch) return s; |
| 2201 | if (!stateOwnsInteraction(s, a.target)) return s; |
| 2202 | if (a.target.kind === "approval" || a.target.kind === "plan" || a.target.kind === "recovery") { |
| 2203 | return endPromptWaitIfIdle({ ...s, approval: undefined, pendingPrompt: Boolean(s.ask || s.mcpInteraction), resolvedPromptId: a.target.promptId, resolvedPromptKey: a.target.instanceKey }); |
| 2204 | } |
| 2205 | if (a.target.kind === "ask") { |
| 2206 | return endPromptWaitIfIdle({ ...s, ask: undefined, pendingPrompt: Boolean(s.approval || s.mcpInteraction), resolvedPromptId: a.target.promptId, resolvedPromptKey: a.target.instanceKey }); |
| 2207 | } |
| 2208 | return endPromptWaitIfIdle({ ...s, mcpInteraction: undefined, pendingPrompt: Boolean(s.approval || s.ask), resolvedPromptId: a.target.promptId, resolvedPromptKey: a.target.instanceKey }); |
| 2209 | } |
| 2210 | case "clearExtensionForm": { |
| 2211 | if (!s.extensionForm) return s; |
| 2212 | if (a.identity && (s.extensionForm.pluginId !== a.identity.pluginId || s.extensionForm.surfaceId !== a.identity.surfaceId || |
| 2213 | s.extensionForm.formInstanceId !== a.identity.formInstanceId)) return s; |
| 2214 | return { ...s, extensionForm: undefined }; |
| 2215 | } |
| 2216 | case "extension_notifications_drained": return s.extensionNotifications.length > 0 ? { ...s, extensionNotifications: [] } : s; |
| 2217 | // A tool-approval posture switch auto-allowed exactly these prompt ids on |
| 2218 | // the backend. Hide + tombstone the visible approval only when it is one |
| 2219 | // of them; anything else (plan/memory/sandbox-escape, ask-rule approvals |
| 2220 | // under auto) is still genuinely pending there and must stay visible — |
| 2221 | // tombstoning it would filter every future replay and strand the turn. The |
| 2222 | // drain result must also belong to this controller's prompt-id epoch. |
| 2223 | case "approval_drained": { |
| 2224 | if (s.promptEpoch !== a.epoch || !s.approval || !a.ids.includes(s.approval.id)) return s; |
| 2225 | const next = { ...s, approval: undefined, pendingPrompt: Boolean(s.ask || s.mcpInteraction), resolvedPromptId: s.approval.id }; |
| 2226 | return endPromptWaitIfIdle(next); |
| 2227 | } |
| 2228 | case "ask_submit_succeeded": { |
| 2229 | if (s.promptEpoch !== a.epoch || !stateOwnsInteraction(s, a.target)) return s; |
| 2230 | const next = { ...s, ask: undefined, pendingPrompt: Boolean(s.approval || s.mcpInteraction), resolvedPromptId: a.target.promptId, resolvedPromptKey: a.target.instanceKey }; |
| 2231 | return endPromptWaitIfIdle(next); |
| 2232 | } |
| 2233 | // The optimistic clearApproval/clearAsk tombstone was wrong: the backend |
| 2234 | // call that was supposed to actually resolve this id failed, so the |
| 2235 | // prompt is still genuinely pending there. Undo the tombstone so the next |
| 2236 | // replay (proactively requested by the caller) can re-arm it instead of |
| 2237 | // being silently swallowed forever. Only for the epoch the RPC was issued |
| 2238 | // in: after a controller rebuild the same numeric id names a DIFFERENT |
| 2239 | // prompt, and a late failure from the old controller must not erase the |
| 2240 | // new controller's tombstone. |
| 2241 | case "submit_prompt_failed": |
| 2242 | return s.resolvedPromptKey === a.target.instanceKey && s.promptEpoch === a.epoch |
| 2243 | ? { ...s, resolvedPromptId: undefined, resolvedPromptKey: undefined } |
| 2244 | : s; |
| 2245 | // A controller rebuild (model/effort/token-mode switch) replaces the |
| 2246 | // backend controller in place and its approval/ask ids restart from "1" |
| 2247 | // (per-controller counters, see sound.ts). Any id-anchored bookkeeping |
| 2248 | // from the OLD controller is meaningless for the new one and must be |
| 2249 | // dropped, or a genuinely new prompt reusing an old id would be misread |
| 2250 | // as a stale replay of an already-answered prompt and silently ignored. |
| 2251 | case "controller_rebuilt": |
| 2252 | // A rebuild restarts the runtime's extension sidecars too, so extension |
| 2253 | // surface state (and the per-surface generation fence) from the old |
| 2254 | // runtime is meaningless for the new one and is dropped with the rest of |
| 2255 | // the id-anchored bookkeeping. |
| 2256 | return { |
| 2257 | ...s, |
| 2258 | localSubmissions: Object.fromEntries(Object.entries(s.localSubmissions).map(([submissionId, submission]) => [ |
| 2259 | submissionId, |
| 2260 | { ...submission, status: submission.status === "sending" ? "unknown" as const : submission.status, settled: true }, |
| 2261 | ])), |
| 2262 | promptEpoch: s.promptEpoch + 1, |
| 2263 | pendingSubmissionId: undefined, |
| 2264 | resolvedPromptId: undefined, |
| 2265 | resolvedPromptKey: undefined, |
| 2266 | promptArrivedId: undefined, |
| 2267 | promptArrivedAt: undefined, |
| 2268 | extensionStatuses: {}, |
| 2269 | extensionForm: undefined, |
| 2270 | extensionNotifications: [], |
| 2271 | extensionGenerations: {}, |
| 2272 | }; |
| 2273 | case "reset": return { ...initialState, meta: metaWithoutCanonicalTodos(s.meta), context: { used: 0, window: s.context.window, sessionTokens: 0, compactRatio: s.context.compactRatio }, balance: s.balance, effort: s.effort, jobs: s.jobs, hydrating: s.hydrating, hydrateReason: s.hydrateReason, hydrateError: s.hydrateError, hydrateHistoryLoaded: s.hydrateHistoryLoaded, hydratePlaceholderItems: s.hydratePlaceholderItems, backendActivationPending: s.backendActivationPending, sessionGen: s.sessionGen + 1, promptEpoch: s.promptEpoch + 1 }; |
| 2274 | case "context_panel_refresh": return { ...s, contextPanelSeq: s.contextPanelSeq + 1 }; |
| 2275 | case "event": { |
| 2276 | if (s.transcriptProtocol === 2 && s.historyHasNewer) { |
| 2277 | const next = reducer({ ...s, historyHasNewer: false, items: s.offscreenItems ?? [] }, a); |
| 2278 | return settleLocalSubmissions({ ...next, items: s.items, visibleSubmissionHandoffs: s.visibleSubmissionHandoffs, historyHasNewer: true, offscreenItems: next.items.slice(-96) }, s.items); |
| 2279 | } |
| 2280 | let next = stampArrivingTurnId(applyEvent(s, a.e, a.remote), s.items, a.e.turnId, a.e.messageId); |
| 2281 | if (a.e.messageId && a.e.tool?.id && next.items !== s.items) { |
| 2282 | const toolId = a.e.tool.id; |
| 2283 | const prior = s.items.find((item) => item.kind === "tool" && item.id === toolId); |
| 2284 | next = { ...next, items: next.items.map((item) => item.kind === "tool" && item.id === toolId && item !== prior |
| 2285 | ? { ...item, messageId: a.e.messageId } : item) }; |
| 2286 | } |
| 2287 | return next.items.length > s.items.length |
| 2288 | ? { ...next, historyMutation: { seq: s.historyMutation.seq + 1, kind: "append" } } |
| 2289 | : next; |
| 2290 | } |
| 2291 | case "stream_batch": { |
| 2292 | if (s.transcriptProtocol === 2 && s.historyHasNewer) { |
| 2293 | const base = { ...s, items: s.offscreenItems ?? [] }; |
| 2294 | const next = stampArrivingTurnId(applyStreamBatch(base, a.segments), base.items, s.activeTurnId); |
| 2295 | return { ...next, items: s.items, offscreenItems: next.items.slice(-96) }; |
| 2296 | } |
| 2297 | const next = stampArrivingTurnId(applyStreamBatch(s, a.segments), s.items, s.activeTurnId); |
| 2298 | return next.items.length > s.items.length |
| 2299 | ? { ...next, historyMutation: { seq: s.historyMutation.seq + 1, kind: "append" } } |
| 2300 | : next; |
| 2301 | } |
| 2302 | default: return s; |
| 2303 | } |
| 2304 | } |
| 2305 | |
| 2306 | // ---- per-tab state map ---- |
| 2307 | |
| 2308 | type TabStates = Map<string, State>; |
| 2309 | |
| 2310 | function getOrCreateState(states: TabStates, tabId: string): State { |
| 2311 | if (!states.has(tabId)) states.set(tabId, { ...initialState }); |
| 2312 | return states.get(tabId)!; |
| 2313 | } |
| 2314 | |
| 2315 | function appendNoticeToState(s: State, level: "info" | "warn", text: string, detail?: string, code?: string, decisionReceipt?: WireDecisionReceipt, id?: string, diagnostic?: WireEvent["diagnostic"]): State { |
| 2316 | const next = appendNoticeItem(s.items, s.seq, id ?? `n${s.seq}`, level, text, detail, code, decisionReceipt, diagnostic); |
| 2317 | return { ...s, running: s.turnActive ? s.running : false, seq: next.seq, items: next.items }; |
| 2318 | } |
| 2319 | |
| 2320 | export { replayPendingPromptsForActiveTab } from "./promptReplay"; |
| 2321 | |
| 2322 | export function useController() { |
| 2323 | const followers = useRef(new Map<string, TranscriptSessionFollower>()); |
| 2324 | const statesRef = useRef<TabStates>(getTranscriptStore().states); |
| 2325 | const liveListenersByTabRef = useRef(new Map<string, Set<() => void>>()); |
| 2326 | const balanceRefreshSeqByTab = useRef(new Map<string, number>()); |
| 2327 | const modelSwitchSeqByTab = useRef(new Map<string, number>()); |
| 2328 | const modelSwitchSuccessVersionByTab = useRef(new Map<string, number>()); |
| 2329 | const modelSwitchQueueByTab = useRef(new Map<string, ModelSwitchQueueState>()); |
| 2330 | const lastTurnActivityAtByTab = useRef(new Map<string, number>()); |
| 2331 | const runtimeEpochByTabRef = useRef(new Map<string, string>()); |
| 2332 | const listedSessionIdentityByTabRef = useRef(new Map<string, TabMeta>()); |
| 2333 | const appliedComposerProfileByTabRef = useRef(new Map<string, string>()); |
| 2334 | const composerProfileInFlightByTabRef = useRef(new Map<string, { key: string; promise: Promise<boolean> }>()); |
| 2335 | const composerProfileQueueByTabRef = useRef(new Map<string, Promise<void>>()); |
| 2336 | const composerProfileLifecycleByTabRef = useRef(new Map<string, number>()); |
| 2337 | useEffect(() => desktopHost().native.onServiceState((service) => { |
| 2338 | addBreadcrumb("service", `phase=${service.phase} generation=${service.generation || "unknown"}`); |
| 2339 | if (service.phase !== "stopping" && service.phase !== "exited") return; |
| 2340 | // Each follower owns its service-stop fence, including remote followers. |
| 2341 | // Retire only the controller's references here so late hydration cannot |
| 2342 | // mistake a stopped follower for an active subscription. |
| 2343 | followers.current.clear(); |
| 2344 | }), []); |
| 2345 | const cancelReconcileTimers = useRef(new Map<string, number>()); |
| 2346 | const stalePromptReconcileTimers = useRef(new Map<string, number>()); |
| 2347 | // Indirection so dispatchRuntimeStatusForTab (defined above reconcileTabRuntime) |
| 2348 | // can schedule an authoritative refetch after it rejects a stale snapshot. |
| 2349 | const scheduleStalePromptReconcileRef = useRef<(tabId: string) => void>(() => {}); |
| 2350 | const [activeTabId, setActiveTabId] = useState<string | undefined>(); |
| 2351 | const activeTabIdRef = useRef<string | undefined>(undefined); |
| 2352 | // Invalidates async navigation completions even for ABA switches where the |
| 2353 | // visible tab ID eventually returns to the original value. |
| 2354 | const activeNavigationSeqRef = useRef(0); |
| 2355 | const navigationSourcesRef = useRef(new Map<number, NavigationSourceSnapshot>()); |
| 2356 | const { registerNavigationIntent, registeredNavigationIntent } = useNavigationIntentFence(); |
| 2357 | // A render-triggering counter so that mutations to a non-active tab's state still |
| 2358 | // cause a re-render when that tab becomes active. |
| 2359 | const [, setVersion] = useState(0); |
| 2360 | const bump = useCallback(() => setVersion((v) => v + 1), []); |
| 2361 | const notifyLiveListeners = useCallback((tabId: string) => { |
| 2362 | for (const listener of liveListenersByTabRef.current.get(tabId) ?? []) listener(); |
| 2363 | }, [t]); |
| 2364 | const disposeComposerProfileState = useCallback((tabId: string) => { |
| 2365 | appliedComposerProfileByTabRef.current.delete(tabId); |
| 2366 | composerProfileInFlightByTabRef.current.delete(tabId); |
| 2367 | composerProfileQueueByTabRef.current.delete(tabId); |
| 2368 | composerProfileLifecycleByTabRef.current.set( |
| 2369 | tabId, |
| 2370 | (composerProfileLifecycleByTabRef.current.get(tabId) ?? 0) + 1, |
| 2371 | ); |
| 2372 | }, []); |
| 2373 | const liveStore = useMemo<ControllerLiveStore>(() => ({ |
| 2374 | subscribe(tabId, listener) { |
| 2375 | if (!tabId) return () => {}; |
| 2376 | let listeners = liveListenersByTabRef.current.get(tabId); |
| 2377 | if (!listeners) { |
| 2378 | listeners = new Set(); |
| 2379 | liveListenersByTabRef.current.set(tabId, listeners); |
| 2380 | } |
| 2381 | listeners.add(listener); |
| 2382 | return () => { |
| 2383 | listeners?.delete(listener); |
| 2384 | if (listeners?.size === 0) liveListenersByTabRef.current.delete(tabId); |
| 2385 | }; |
| 2386 | }, |
| 2387 | getSnapshot(tabId) { |
| 2388 | return tabId ? statesRef.current.get(tabId)?.live : undefined; |
| 2389 | }, |
| 2390 | getModelActiveAt(tabId) { |
| 2391 | return tabId ? statesRef.current.get(tabId)?.turnModelActiveAt : undefined; |
| 2392 | }, |
| 2393 | getRateOutputQuarters(tabId) { |
| 2394 | return tabId ? statesRef.current.get(tabId)?.turnRateSample?.outputQuarters : undefined; |
| 2395 | }, |
| 2396 | }), []); |
| 2397 | const beginActiveNavigation = useCallback(() => { |
| 2398 | activeNavigationSeqRef.current += 1; |
| 2399 | const seq = activeNavigationSeqRef.current; |
| 2400 | noteNavigationRequested(seq); |
| 2401 | const sourceTabId = activeTabIdRef.current; |
| 2402 | const source: NavigationSourceSnapshot = { |
| 2403 | tabId: sourceTabId, |
| 2404 | state: sourceTabId ? statesRef.current.get(sourceTabId) : undefined, |
| 2405 | tab: sourceTabId ? listedSessionIdentityByTabRef.current.get(sourceTabId) : undefined, |
| 2406 | }; |
| 2407 | navigationSourcesRef.current.clear(); |
| 2408 | navigationSourcesRef.current.set(seq, source); |
| 2409 | registerNavigationIntent(seq); |
| 2410 | return seq; |
| 2411 | }, [registerNavigationIntent]); |
| 2412 | const snapshotNavigationSourceTab = useCallback((navigationSeq: number) => { |
| 2413 | const source = navigationSourcesRef.current.get(navigationSeq); |
| 2414 | if (!source?.tabId || source.tab || source.tabPromise) return; |
| 2415 | source.tabPromise = app.ListTabs() |
| 2416 | .then((tabs) => asArray(tabs).find((tab) => tab.id === source.tabId)) |
| 2417 | .catch(() => undefined); |
| 2418 | void source.tabPromise.then((tab) => { source.tab = tab; }); |
| 2419 | }, []); |
| 2420 | const isNavigationIntentCurrent = useCallback((seq: number): boolean => { |
| 2421 | return activeNavigationSeqRef.current === seq; |
| 2422 | }, []); |
| 2423 | const currentNavigationIntent = useCallback((): number => activeNavigationSeqRef.current, []); |
| 2424 | const requireRegisteredNavigationIntent = useCallback(async (seq: number): Promise<void> => { |
| 2425 | const token = await registeredNavigationIntent(seq); |
| 2426 | if (!token) throw new Error("navigation intent registration failed"); |
| 2427 | if (!isNavigationIntentCurrent(seq)) throw new Error("navigation intent was superseded"); |
| 2428 | }, [isNavigationIntentCurrent, registeredNavigationIntent]); |
| 2429 | const navigationCompletionCurrent = useCallback((seq: number, kind: string, tabId: string): boolean => { |
| 2430 | if (activeNavigationSeqRef.current === seq) return true; |
| 2431 | addBreadcrumb(kind, `stale ${tabId} seq=${seq} current=${activeNavigationSeqRef.current}`); |
| 2432 | return false; |
| 2433 | }, []); |
| 2434 | |
| 2435 | // The active tab's current state, with a stable identity for cancel(). |
| 2436 | const activeState = activeTabId ? getOrCreateState(statesRef.current, activeTabId) : initialState; |
| 2437 | const runtimeState = useRuntimeSession(activeTabId, activeState.meta); |
| 2438 | const stateRef = useRef(activeState); |
| 2439 | const backendActiveTabIdRef = useRef<string | undefined>(undefined); |
| 2440 | const previousStoreActiveTabRef = useRef<string | undefined>(undefined); |
| 2441 | const backendActivationPromises = useRef(new Map<string, Promise<boolean>>()); |
| 2442 | // The latest ticketed topic activation (StartTopicActivation). Registered |
| 2443 | // before the backend call returns so synchronously-emitted lifecycle events |
| 2444 | // always match; a terminal event arriving before the ticket is stashed and |
| 2445 | // replayed once the ticket lands. |
| 2446 | const pendingTopicActivationRef = useRef<PendingTopicActivation | undefined>(undefined); |
| 2447 | const topicActivationSeqRef = useRef(0); |
| 2448 | const readyMetaReconcileSeq = useRef(0); |
| 2449 | const readyMetaReconcileActive = useRef<{ tabId: string; seq: number } | undefined>(undefined); |
| 2450 | activeTabIdRef.current = activeTabId; |
| 2451 | stateRef.current = activeState; |
| 2452 | |
| 2453 | // Publish per-tab state; only the visible tab invalidates this controller. |
| 2454 | const dispatchTo = useCallback((tabId: string, action: Action) => { |
| 2455 | const states = statesRef.current; |
| 2456 | const prev = getOrCreateState(states, tabId); |
| 2457 | // Activity timestamps belong to one submitted turn. A new optimistic turn |
| 2458 | // must age from its own turnStartAt if turn_started is lost, not inherit an |
| 2459 | // old turn's already-stale wire timestamp and probe immediately. |
| 2460 | if (action.type === "user") lastTurnActivityAtByTab.current.delete(tabId); |
| 2461 | const next = reducer(prev, action); |
| 2462 | if (prev !== next) { |
| 2463 | if (tabId === activeTabIdRef.current) { |
| 2464 | getTranscriptStore().noteActiveTab(tabId, previousStoreActiveTabRef.current); previousStoreActiveTabRef.current = tabId; |
| 2465 | } |
| 2466 | getTranscriptStore().setState(tabId, next); |
| 2467 | // A tab with a live or in-flight turn is pinned out of transcript-store |
| 2468 | // eviction; its cached rows must survive until the turn settles. |
| 2469 | getTranscriptStore().setPinned(tabId, Boolean(next.running || next.turnActive || next.live)); |
| 2470 | uiPerfTracker.onStateCommit(); |
| 2471 | notifyLiveListeners(tabId); |
| 2472 | const streamDeltaOnly = isIsolatedStreamDelta(action, prev, next); |
| 2473 | // Stream subscribers (including TPS) handle text/reasoning deltas; |
| 2474 | // only visible structural changes invalidate the full controller tree. |
| 2475 | if (!streamDeltaOnly && tabId === activeTabIdRef.current) bump(); |
| 2476 | } |
| 2477 | }, [bump, notifyLiveListeners]); |
| 2478 | useEffect(() => { |
| 2479 | if (!activeTabId || !runtimeState.known || !runtimeState.state) return; |
| 2480 | dispatchTo(activeTabId, { type: "runtime_snapshot", snapshot: runtimeState.state }); |
| 2481 | }, [activeTabId, dispatchTo, runtimeState.known, runtimeState.state]); |
| 2482 | const clearBalanceForTab = useCallback((tabId: string): void => { |
| 2483 | invalidateSharedQuery("BalanceForTab", [tabId]); |
| 2484 | invalidateSharedQuery("MetaForTab", [tabId]); |
| 2485 | const seq = (balanceRefreshSeqByTab.current.get(tabId) ?? 0) + 1; |
| 2486 | balanceRefreshSeqByTab.current.set(tabId, seq); |
| 2487 | dispatchTo(tabId, { type: "balance", balance: { available: false, display: "" } }); |
| 2488 | }, [dispatchTo]); |
| 2489 | |
| 2490 | const invalidateProviderStateForTab = useCallback((tabId: string): void => { |
| 2491 | balanceRefreshSeqByTab.current.set( |
| 2492 | tabId, |
| 2493 | (balanceRefreshSeqByTab.current.get(tabId) ?? 0) + 1, |
| 2494 | ); |
| 2495 | modelSwitchSeqByTab.current.set( |
| 2496 | tabId, |
| 2497 | (modelSwitchSeqByTab.current.get(tabId) ?? 0) + 1, |
| 2498 | ); |
| 2499 | }, []); |
| 2500 | |
| 2501 | const refreshBalanceForTab = useCallback(async ( |
| 2502 | tabId: string, |
| 2503 | options: { apply?: () => boolean } = {}, |
| 2504 | ): Promise<void> => { |
| 2505 | const seq = (balanceRefreshSeqByTab.current.get(tabId) ?? 0) + 1; |
| 2506 | balanceRefreshSeqByTab.current.set(tabId, seq); |
| 2507 | try { |
| 2508 | const balance = await app.BalanceForTab(tabId); |
| 2509 | if (balanceRefreshSeqByTab.current.get(tabId) !== seq) return; |
| 2510 | if (options.apply && !options.apply()) return; |
| 2511 | if (balance.err?.trim()) return; |
| 2512 | dispatchTo(tabId, { type: "balance", balance }); |
| 2513 | } catch { |
| 2514 | // Balance is optional. Keep the last explicit cleared/unavailable state |
| 2515 | // instead of surfacing a provider-specific wallet failure in chat. |
| 2516 | } |
| 2517 | }, [dispatchTo]); |
| 2518 | |
| 2519 | const confirmBackendActiveTab = useCallback((tabId: string) => { |
| 2520 | backendActiveTabIdRef.current = tabId; |
| 2521 | dispatchTo(tabId, { type: "backend_activation_done" }); |
| 2522 | }, [dispatchTo]); |
| 2523 | |
| 2524 | const reassertVisibleTabAfterStaleNavigation = useCallback(async (kind: string, staleTabId: string): Promise<void> => { |
| 2525 | // Backend navigation calls activate their result before returning. If a |
| 2526 | // newer tab click won in the frontend while that call was in flight, put |
| 2527 | // the backend back on the visible tab. Re-check after every await because |
| 2528 | // another click can supersede the target while SetActiveTab is running. |
| 2529 | for (;;) { |
| 2530 | const currentTabId = activeTabIdRef.current; |
| 2531 | if (!currentTabId) return; |
| 2532 | if (currentTabId === staleTabId) { |
| 2533 | confirmBackendActiveTab(currentTabId); |
| 2534 | return; |
| 2535 | } |
| 2536 | try { |
| 2537 | await app.SetActiveTab(currentTabId); |
| 2538 | } catch (err) { |
| 2539 | addBreadcrumb(kind, `stale reassert failed ${currentTabId}: ${errorMessage(err)}`); |
| 2540 | return; |
| 2541 | } |
| 2542 | if (activeTabIdRef.current === currentTabId) { |
| 2543 | confirmBackendActiveTab(currentTabId); |
| 2544 | addBreadcrumb(kind, `stale reasserted ${currentTabId}`); |
| 2545 | return; |
| 2546 | } |
| 2547 | } |
| 2548 | }, [confirmBackendActiveTab]); |
| 2549 | |
| 2550 | const trackBackendActivation = useCallback((tabId: string, promise: Promise<boolean>) => { |
| 2551 | backendActivationPromises.current.set(tabId, promise); |
| 2552 | void promise.finally(() => { |
| 2553 | if (backendActivationPromises.current.get(tabId) === promise) { |
| 2554 | backendActivationPromises.current.delete(tabId); |
| 2555 | } |
| 2556 | }); |
| 2557 | }, []); |
| 2558 | |
| 2559 | const waitForBackendActiveTab = useCallback(async (tabId: string): Promise<boolean> => { |
| 2560 | const pending = backendActivationPromises.current.get(tabId); |
| 2561 | if (pending) { |
| 2562 | const activated = await pending.catch(() => false); |
| 2563 | if (!activated) return false; |
| 2564 | } |
| 2565 | return backendActiveTabIdRef.current === tabId && activeTabIdRef.current === tabId; |
| 2566 | }, []); |
| 2567 | |
| 2568 | const { invalidateCheckpoints, settleCheckpoints, refreshCheckpoints, refreshTurnBoundaries } = useMemo(() => createTurnBoundaryReads(dispatchTo), [dispatchTo]); |
| 2569 | const metaRefreshSeq = useRef(new Map<string, number>()); |
| 2570 | const sessionLoadSeq = useRef(new Map<string, number>()); |
| 2571 | const historyWindowSeq = useRef(new Map<string, number>()); |
| 2572 | const cancelHydrateSeq = useRef(new Map<string, number>()); |
| 2573 | const sessionLoadInFlight = useRef(new Map<string, { identityKey: string; revision?: number; digest?: string; promise: Promise<void> }>()); |
| 2574 | const coldHistoryInFlight = useRef(new Map<string, { |
| 2575 | key: string; current: () => boolean; promise: Promise<"cached" | "loaded" | "miss" | "failed">; |
| 2576 | }>()); |
| 2577 | const transcriptSubscriptions = useRef(new Map<string, () => void>()); |
| 2578 | const bumpMetaRefreshSeq = useCallback((tabId: string): number => { |
| 2579 | const seq = (metaRefreshSeq.current.get(tabId) ?? 0) + 1; |
| 2580 | metaRefreshSeq.current.set(tabId, seq); |
| 2581 | return seq; |
| 2582 | }, []); |
| 2583 | const metaRefreshCurrent = useCallback((tabId: string, seq: number): boolean => { |
| 2584 | return metaRefreshSeq.current.get(tabId) === seq; |
| 2585 | }, []); |
| 2586 | const bumpSessionLoadSeq = useCallback((tabId: string): number => { |
| 2587 | bumpMetaRefreshSeq(tabId); |
| 2588 | invalidateSharedQuery("MetaForTab", [tabId]); |
| 2589 | historyWindowSeq.current.set(tabId, (historyWindowSeq.current.get(tabId) ?? 0) + 1); |
| 2590 | const seq = (sessionLoadSeq.current.get(tabId) ?? 0) + 1; |
| 2591 | sessionLoadSeq.current.set(tabId, seq); |
| 2592 | return seq; |
| 2593 | }, [bumpMetaRefreshSeq]); |
| 2594 | // Ref-resolved content updates flow from the transcript store into the tab's |
| 2595 | // state as id-keyed patches. Subscribed once per tab; released when the tab |
| 2596 | // state is dropped (close / single-surface prune). |
| 2597 | const ensureTranscriptSubscription = useCallback((tabId: string, binding?: { path: string; key: string }) => { |
| 2598 | if (binding?.key && getTranscriptStore().noteSessionBinding(tabId, binding.path, binding.key)) { |
| 2599 | followers.current.get(tabId)?.stop(); |
| 2600 | followers.current.delete(tabId); |
| 2601 | } |
| 2602 | if (transcriptSubscriptions.current.has(tabId)) return; |
| 2603 | const unsubscribe = getTranscriptStore().subscribe(tabId, (change) => { |
| 2604 | if (!statesRef.current.has(tabId)) return; |
| 2605 | if (change.evictedPath !== undefined) { |
| 2606 | if (statesRef.current.get(tabId)?.meta?.sessionPath !== change.evictedPath) return; |
| 2607 | followers.current.get(tabId)?.stop(); |
| 2608 | followers.current.delete(tabId); |
| 2609 | bumpSessionLoadSeq(tabId); |
| 2610 | dispatchTo(tabId, { type: "history_cache_evicted" }); |
| 2611 | return; |
| 2612 | } |
| 2613 | if (change.projection) dispatchTo(tabId, { type: "transcript_records", projection: change.projection, confirmedUsers: [] }); else dispatchTo(tabId, { type: "history_items_patch", patches: change.patches, expected: change.expected }); |
| 2614 | const patchCount = Object.keys(change.patches).length; |
| 2615 | if (patchCount > 0) { |
| 2616 | recordFrontendDiagnostic("history", "history.items-patch", { |
| 2617 | patchCount, |
| 2618 | contentRevision: statesRef.current.get(tabId)?.historyLayoutRevision, |
| 2619 | }); |
| 2620 | } |
| 2621 | }); |
| 2622 | transcriptSubscriptions.current.set(tabId, unsubscribe); |
| 2623 | }, [dispatchTo, bumpSessionLoadSeq]); |
| 2624 | const startTranscriptFollow = useCallback(async (tabId: string, path: string) => { |
| 2625 | ensureTranscriptSubscription(tabId, { path, key: sessionIdentityStableKey(statesRef.current.get(tabId)?.meta) }); |
| 2626 | followers.current.get(tabId)?.stop(); |
| 2627 | const follower = new TranscriptSessionFollower(tabId, path, false, action => { |
| 2628 | if (followers.current.get(tabId) === follower) dispatchTo(tabId, action); |
| 2629 | }); |
| 2630 | followers.current.set(tabId, follower); |
| 2631 | await follower.start(); |
| 2632 | return follower.metrics; |
| 2633 | }, [dispatchTo, ensureTranscriptSubscription]); |
| 2634 | const detachTranscriptState = useCallback((tabId: string) => { |
| 2635 | followers.current.get(tabId)?.stop(); |
| 2636 | followers.current.delete(tabId); |
| 2637 | // A detached tab can still have an older-page request awaiting the bridge. Keep |
| 2638 | // a tombstone generation so a later tab reusing the same id cannot make |
| 2639 | // that completion current again. |
| 2640 | historyWindowSeq.current.set(tabId, (historyWindowSeq.current.get(tabId) ?? 0) + 1); |
| 2641 | transcriptSubscriptions.current.get(tabId)?.(); |
| 2642 | transcriptSubscriptions.current.delete(tabId); |
| 2643 | }, []); |
| 2644 | const releaseTranscriptState = useCallback((tabId: string) => { |
| 2645 | detachTranscriptState(tabId); |
| 2646 | getTranscriptStore().evictTab(tabId); |
| 2647 | }, [detachTranscriptState]); |
| 2648 | const sessionLoadCurrent = useCallback((tabId: string, seq: number): boolean => { |
| 2649 | return sessionLoadSeq.current.get(tabId) === seq; |
| 2650 | }, []); |
| 2651 | const bumpCancelHydrateSeq = useCallback((tabId: string): number => { |
| 2652 | const seq = (cancelHydrateSeq.current.get(tabId) ?? 0) + 1; |
| 2653 | cancelHydrateSeq.current.set(tabId, seq); |
| 2654 | return seq; |
| 2655 | }, []); |
| 2656 | const cancelHydrateCurrent = useCallback((tabId: string, seq: number): boolean => { |
| 2657 | return cancelHydrateSeq.current.get(tabId) === seq; |
| 2658 | }, []); |
| 2659 | const loadMetaForTab = useCallback(async (tabId: string): Promise<Meta | undefined> => { |
| 2660 | const seq = bumpMetaRefreshSeq(tabId); |
| 2661 | const meta = await app.MetaForTab(tabId).catch(() => undefined); |
| 2662 | if (!metaRefreshCurrent(tabId, seq)) return undefined; |
| 2663 | if (meta?.runtime?.epoch) runtimeEpochByTabRef.current.set(tabId, meta.runtime.epoch); |
| 2664 | return meta; |
| 2665 | }, [bumpMetaRefreshSeq, metaRefreshCurrent]); |
| 2666 | const refreshMetaOnlyForTab = useCallback(async (tabId: string): Promise<Meta | undefined> => { |
| 2667 | const meta = await loadMetaForTab(tabId); |
| 2668 | if (meta !== undefined) dispatchTo(tabId, { type: "meta", meta }); |
| 2669 | return meta; |
| 2670 | }, [dispatchTo, loadMetaForTab]); |
| 2671 | const refreshMetaForTab = useCallback(async (tabId: string): Promise<void> => { |
| 2672 | const sessionSeq = sessionLoadSeq.current.get(tabId) ?? 0; |
| 2673 | const meta = await loadMetaForTab(tabId); |
| 2674 | if (meta === undefined || (sessionLoadSeq.current.get(tabId) ?? 0) !== sessionSeq) return; |
| 2675 | dispatchTo(tabId, { type: "meta", meta }); |
| 2676 | const [context, effort] = await Promise.all([ |
| 2677 | app.ContextUsageForTab(tabId).catch(() => undefined), |
| 2678 | app.EffortForTab(tabId).catch(() => undefined), |
| 2679 | ]); |
| 2680 | if ((sessionLoadSeq.current.get(tabId) ?? 0) !== sessionSeq) return; |
| 2681 | if (context !== undefined) dispatchTo(tabId, { type: "context", context }); |
| 2682 | if (effort !== undefined) dispatchTo(tabId, { type: "effort", effort }); |
| 2683 | }, [dispatchTo, loadMetaForTab]); |
| 2684 | |
| 2685 | const loadSessionDataForTab = useCallback(async ( |
| 2686 | tabId: string, |
| 2687 | reset = false, |
| 2688 | reason: HydrateReason = "startup", |
| 2689 | options: SessionHydrationOptions<Item, HydrateSurfacePolicy> = {}, |
| 2690 | ) => { |
| 2691 | const surfacePolicy = options.surfacePolicy ?? "preserve-current"; const resetSurface = reset || surfacePolicy === "replace-surface"; |
| 2692 | const stateMeta = statesRef.current.get(tabId)?.meta; |
| 2693 | const resolvedIdentity = sessionIdentityStableKey(options) ? options : stateMeta ?? options; |
| 2694 | const sessionPath = (resolvedIdentity.sessionPath ?? "").trim(); |
| 2695 | const sessionRevision = "sessionRevision" in options ? options.sessionRevision : stateMeta?.sessionRevision; |
| 2696 | const sessionDigest = "sessionDigest" in options ? options.sessionDigest : stateMeta?.sessionDigest; |
| 2697 | const targetIdentity = { ...resolvedIdentity, sessionPath }; |
| 2698 | const targetIdentityKey = sessionIdentityStableKey(targetIdentity); |
| 2699 | const canJoinInFlight = !resetSurface && !options.skipHistory && !options.recoveryCurrent && !options.freshSnapshot; |
| 2700 | const shouldTrackInFlight = !options.skipHistory; |
| 2701 | if (canJoinInFlight) { |
| 2702 | const existing = sessionLoadInFlight.current.get(tabId); |
| 2703 | if (targetIdentityKey && existing?.identityKey === targetIdentityKey && existing.revision === sessionRevision && existing.digest === sessionDigest) return existing.promise; |
| 2704 | } else { |
| 2705 | sessionLoadInFlight.current.delete(tabId); |
| 2706 | } |
| 2707 | if (resetSurface) invalidateCheckpoints(tabId); |
| 2708 | const promise = (async () => { |
| 2709 | const cancelHydrateGeneration = options.cancelHydrateGeneration; |
| 2710 | if (cancelHydrateGeneration !== undefined && !cancelHydrateCurrent(tabId, cancelHydrateGeneration)) return; |
| 2711 | const seq = bumpSessionLoadSeq(tabId); |
| 2712 | const hydrateStartedAt = Date.now(); |
| 2713 | const skipHistory = Boolean( |
| 2714 | (options.skipHistory || |
| 2715 | (options.preserveCachedHistory && !resetSurface && ( |
| 2716 | statesRef.current.get(tabId)?.transcriptProtocol === 2 && sameSessionHydrateIdentity(targetIdentity, statesRef.current.get(tabId)?.meta) |
| 2717 | || hasReusableCachedTranscript(statesRef.current.get(tabId), targetIdentity, sessionRevision, sessionDigest)))) && |
| 2718 | followers.current.has(tabId) && statesRef.current.get(tabId)?.transcriptProtocol === 2, |
| 2719 | ); |
| 2720 | const deferResetUntilHistory = Boolean(surfacePolicy === "preserve-current" && (options.deferResetUntilHistory ?? true) && resetSurface && !skipHistory); |
| 2721 | // Request seq alone cannot stop clear→mode-switch races: a load started |
| 2722 | // after clear with stale meta.sessionPath must also be rejected. |
| 2723 | const stillCurrent = () => { |
| 2724 | if (options.recoveryCurrent && !options.recoveryCurrent()) return false; |
| 2725 | if (!sessionLoadCurrent(tabId, seq)) return false; |
| 2726 | if (cancelHydrateGeneration !== undefined && !cancelHydrateCurrent(tabId, cancelHydrateGeneration)) return false; |
| 2727 | const meta = statesRef.current.get(tabId)?.meta; |
| 2728 | return hydrateIdentityCurrent(targetIdentity, meta); |
| 2729 | }; |
| 2730 | if (!stillCurrent()) return; |
| 2731 | addBreadcrumb("tab.hydrate", `start ${reason} ${tabId}`); |
| 2732 | ensureTranscriptSubscription(tabId); |
| 2733 | dispatchTo(tabId, { type: "hydrate_start", reason, placeholderItems: resolveHydratePlaceholders(options.placeholderItems) }); |
| 2734 | if (resetSurface && !deferResetUntilHistory && stillCurrent()) dispatchTo(tabId, { type: "reset" }); |
| 2735 | const requiresVisibleTab = reason === "startup" || reason === "switch-tab" || reason === "open-topic"; |
| 2736 | const stillVisible = () => !requiresVisibleTab || activeTabIdRef.current === tabId; |
| 2737 | const noteFailure = (label: string, err: unknown) => { |
| 2738 | addBreadcrumb("tab.hydrate", `${label} failed ${tabId}: ${errorMessage(err)}`); |
| 2739 | }; |
| 2740 | |
| 2741 | const loadTimed = async <T,>(label: string, load: () => Promise<T>): Promise<T | undefined> => { |
| 2742 | const startedAt = Date.now(); |
| 2743 | addBreadcrumb("tab.hydrate", `${label} start ${reason} ${tabId}`); |
| 2744 | try { |
| 2745 | const value = await load(); |
| 2746 | addBreadcrumb("tab.hydrate", `${label} done ${reason} ${tabId} ms=${Date.now() - startedAt}`); |
| 2747 | return value; |
| 2748 | } catch (err) { |
| 2749 | noteFailure(label, err); |
| 2750 | return undefined; |
| 2751 | } |
| 2752 | }; |
| 2753 | |
| 2754 | const modern = !skipHistory; |
| 2755 | let followFailure: unknown; |
| 2756 | const snapshotLoaded = modern ? await loadTimed("transcript follow", () => startTranscriptFollow(tabId, sessionPath) |
| 2757 | .then(() => true, (err: unknown) => { followFailure = err; throw err; })) : false; |
| 2758 | if (!stillCurrent()) return; |
| 2759 | if (!skipHistory && snapshotLoaded !== true) { |
| 2760 | const error = hydrateFailureDetail(t("history.failedLoadHistory"), followFailure); |
| 2761 | dispatchTo(tabId, { type: "hydrate_error", reason, error }); |
| 2762 | // SessionRecoveryBanner owns recovery; chat notices survive successful snapshots. |
| 2763 | return; |
| 2764 | } |
| 2765 | dispatchTo(tabId, { type: "hydrate_done" }); |
| 2766 | addBreadcrumb("tab.hydrate", `done ${reason} ${tabId} ms=${Date.now() - hydrateStartedAt}`); |
| 2767 | |
| 2768 | // Phase 2: local ancillary data. It stays inside the same in-flight |
| 2769 | // promise so duplicate ready/startup hydrations coalesce, but it runs |
| 2770 | // after hydrate_done so slow bridge calls don't keep the visible transcript |
| 2771 | // in a loading state. |
| 2772 | await new Promise<void>((resolve) => window.setTimeout(resolve, 0)); |
| 2773 | if (!stillCurrent()) return; |
| 2774 | if (!stillVisible()) { |
| 2775 | addBreadcrumb("tab.hydrate", `ancillary skipped inactive ${reason} ${tabId}`); |
| 2776 | return; |
| 2777 | } |
| 2778 | let meta = await loadTimed("meta", () => loadMetaForTab(tabId)); |
| 2779 | if (!stillCurrent()) return; |
| 2780 | if (!stillVisible()) { |
| 2781 | addBreadcrumb("tab.hydrate", `meta ignored inactive ${reason} ${tabId}`); |
| 2782 | return; |
| 2783 | } |
| 2784 | if (meta !== undefined) dispatchTo(tabId, { type: "meta", meta }); |
| 2785 | const ancillaryStartedAt = Date.now(); |
| 2786 | const loadAncillary = async <T,>(label: string, load: () => Promise<T>): Promise<T | undefined> => { |
| 2787 | return loadTimed(`ancillary ${label}`, load); |
| 2788 | }; |
| 2789 | const [effort, jobs, context] = await Promise.all([ |
| 2790 | loadAncillary("effort", () => app.EffortForTab(tabId)), |
| 2791 | loadAncillary("jobs", () => app.JobsForTab(tabId)), |
| 2792 | loadAncillary("context", () => app.ContextUsageForTab(tabId)), |
| 2793 | ]); |
| 2794 | if (!stillCurrent()) return; |
| 2795 | if (effort !== undefined) dispatchTo(tabId, { type: "effort", effort }); |
| 2796 | if (jobs !== undefined) dispatchTo(tabId, { type: "jobs", jobs: asArray(jobs) }); |
| 2797 | if (context !== undefined) dispatchTo(tabId, { type: "context", context }); |
| 2798 | // Signal ContextPanel to re-fetch now that ancillary data (context, |
| 2799 | // effort, jobs) has landed. Without this, the right-side panel keeps |
| 2800 | // stale RequestCount / ElapsedMs / SessionCost from before a session |
| 2801 | // rebind because its refreshKey (dockRefreshKey) only bumps on turn_done. |
| 2802 | dispatchTo(tabId, { type: "context_panel_refresh" }); |
| 2803 | await new Promise<void>((resolve) => window.setTimeout(resolve, 0)); |
| 2804 | if (!stillCurrent()) return; |
| 2805 | if (!stillVisible()) { |
| 2806 | addBreadcrumb("tab.hydrate", `checkpoints skipped inactive ${reason} ${tabId}`); |
| 2807 | return; |
| 2808 | } |
| 2809 | const checkpoints = await loadAncillary("checkpoints", () => app.CheckpointsForTab(tabId)); |
| 2810 | if (!stillCurrent()) return; |
| 2811 | if (!stillVisible()) { |
| 2812 | addBreadcrumb("tab.hydrate", `checkpoints ignored inactive ${reason} ${tabId}`); |
| 2813 | return; |
| 2814 | } |
| 2815 | void settleCheckpoints(tabId, checkpoints); |
| 2816 | addBreadcrumb("tab.hydrate", `ancillary ${reason} ${tabId} ms=${Date.now() - ancillaryStartedAt}`); |
| 2817 | void refreshBalanceForTab(tabId, { |
| 2818 | apply: () => sessionLoadCurrent(tabId, seq) && stillVisible(), |
| 2819 | }); |
| 2820 | })(); |
| 2821 | if (shouldTrackInFlight) { |
| 2822 | sessionLoadInFlight.current.set(tabId, { identityKey: targetIdentityKey, revision: sessionRevision, digest: sessionDigest, promise }); |
| 2823 | } |
| 2824 | try { |
| 2825 | await promise; |
| 2826 | } finally { |
| 2827 | if (sessionLoadInFlight.current.get(tabId)?.promise === promise) { |
| 2828 | sessionLoadInFlight.current.delete(tabId); |
| 2829 | } |
| 2830 | } |
| 2831 | }, [bumpSessionLoadSeq, cancelHydrateCurrent, dispatchTo, invalidateCheckpoints, loadMetaForTab, refreshBalanceForTab, refreshTurnBoundaries, sessionLoadCurrent, startTranscriptFollow]); |
| 2832 | |
| 2833 | /** |
| 2834 | * Publish the bounded durable history window before a local controller has |
| 2835 | * finished booting. The canonical history service can resolve a tab's |
| 2836 | * SessionID without a bound controller, so navigation must not wait for MCP, |
| 2837 | * provider, lease, or runtime setup merely to make the conversation readable. |
| 2838 | * |
| 2839 | * This is deliberately a one-shot readable baseline, not a second live |
| 2840 | * transcript owner. Once the runtime is ready, TranscriptSessionFollower |
| 2841 | * installs the authoritative protocol-v2 cut and owns subsequent changes. |
| 2842 | */ |
| 2843 | const primeReadableHistoryForTab = useCallback(async ( |
| 2844 | tabId: string, |
| 2845 | target: TabMeta, |
| 2846 | reason: HydrateReason, |
| 2847 | navigationIntent: number, |
| 2848 | current: () => boolean, |
| 2849 | ): Promise<"cached" | "loaded" | "miss" | "failed"> => { |
| 2850 | const sessionPath = (target.sessionPath ?? "").trim(); |
| 2851 | const identity = sessionIdentityFields(target); |
| 2852 | const key = JSON.stringify([sessionIdentityStableKey(target), target.sessionRevision, target.sessionDigest, navigationIntent]); |
| 2853 | const pending = coldHistoryInFlight.current.get(tabId); |
| 2854 | if (pending?.key === key && pending.current()) return pending.promise; |
| 2855 | const seq = bumpSessionLoadSeq(tabId); |
| 2856 | const stillCurrent = () => current() |
| 2857 | && sessionLoadCurrent(tabId, seq) |
| 2858 | && hydrateIdentityCurrent(identity, statesRef.current.get(tabId)?.meta); |
| 2859 | if (!stillCurrent()) return "miss"; |
| 2860 | const promise = (async (): Promise<"cached" | "loaded" | "miss" | "failed"> => { |
| 2861 | ensureTranscriptSubscription(tabId, { path: sessionPath, key: sessionIdentityStableKey(target) }); |
| 2862 | const store = getTranscriptStore(); |
| 2863 | const startedAt = Date.now(); |
| 2864 | const resident = target.sessionDigest ? store.peek(tabId, sessionPath, { |
| 2865 | revision: target.sessionRevision, |
| 2866 | digest: target.sessionDigest, |
| 2867 | }) : undefined; |
| 2868 | noteNavigationHistoryRequested(navigationIntent, Boolean(resident)); |
| 2869 | recordFrontendDiagnostic("navigation", resident ? "navigation.history-cache-hit" : "navigation.history-cache-miss", { |
| 2870 | tabId, |
| 2871 | reason, |
| 2872 | }); |
| 2873 | if (resident) { |
| 2874 | if (!stillCurrent()) return "miss"; |
| 2875 | dispatchTo(tabId, historyReplaceAction(resident)); |
| 2876 | dispatchTo(tabId, { type: "hydrate_done" }); |
| 2877 | noteNavigationHistoryReadable(navigationIntent, true); |
| 2878 | recordFrontendDiagnostic("navigation", "navigation.history-readable", { |
| 2879 | tabId, |
| 2880 | reason, |
| 2881 | source: "cache", |
| 2882 | durationMs: Date.now() - startedAt, |
| 2883 | }); |
| 2884 | return "cached"; |
| 2885 | } |
| 2886 | try { |
| 2887 | const projection = await store.loadLatest(tabId, sessionPath, { |
| 2888 | preferResident: true, |
| 2889 | expectedRevision: target.sessionRevision, |
| 2890 | expectedDigest: target.sessionDigest, |
| 2891 | current: stillCurrent, |
| 2892 | }); |
| 2893 | if (!projection || !stillCurrent()) return "miss"; |
| 2894 | dispatchTo(tabId, historyReplaceAction(projection)); |
| 2895 | dispatchTo(tabId, { type: "hydrate_done" }); |
| 2896 | noteNavigationHistoryReadable(navigationIntent, false); |
| 2897 | recordFrontendDiagnostic("navigation", "navigation.history-readable", { |
| 2898 | tabId, |
| 2899 | reason, |
| 2900 | source: "disk", |
| 2901 | durationMs: Date.now() - startedAt, |
| 2902 | }); |
| 2903 | return "loaded"; |
| 2904 | } catch (error) { |
| 2905 | // Only the reader owns history errors. A subsequent ready runtime may |
| 2906 | // replace this failed cut, but execution failure must not settle it. |
| 2907 | addBreadcrumb("tab.hydrate", `readable baseline failed ${reason} ${tabId}: ${errorMessage(error)}`); |
| 2908 | recordFrontendDiagnostic("navigation", "navigation.history-readable-failed", { |
| 2909 | tabId, |
| 2910 | reason, |
| 2911 | durationMs: Date.now() - startedAt, |
| 2912 | }); |
| 2913 | if (!stillCurrent()) return "miss"; |
| 2914 | dispatchTo(tabId, { type: "hydrate_error", reason, error: hydrateFailureDetail(t("history.failedLoadHistory"), error) }); |
| 2915 | return "failed"; |
| 2916 | } |
| 2917 | })(); |
| 2918 | coldHistoryInFlight.current.set(tabId, { key, current: stillCurrent, promise }); |
| 2919 | try { |
| 2920 | return await promise; |
| 2921 | } finally { |
| 2922 | if (coldHistoryInFlight.current.get(tabId)?.promise === promise) coldHistoryInFlight.current.delete(tabId); |
| 2923 | } |
| 2924 | }, [bumpSessionLoadSeq, dispatchTo, ensureTranscriptSubscription, sessionLoadCurrent]); |
| 2925 | |
| 2926 | // Resolve a visible truncated field through the store's stable message id. |
| 2927 | const requestHistoryFullContent = useCallback(async (entryId: string, field: string): Promise<string | undefined> => { |
| 2928 | const tabId = activeTabIdRef.current; |
| 2929 | if (!tabId) return undefined; |
| 2930 | ensureTranscriptSubscription(tabId); |
| 2931 | return getTranscriptStore().requestFullContent(tabId, entryId, field); |
| 2932 | }, [ensureTranscriptSubscription]); |
| 2933 | |
| 2934 | const navigateToTurn = useHistoryTurnNavigation(statesRef, historyWindowSeq, dispatchTo); |
| 2935 | const loadOlderHistory = useCallback(async (tabId?: string, targetTurn?: number, trigger: HistoryLoadType = "retry"): Promise<HistoryLoadOutcome> => { |
| 2936 | const targetTabId = tabId || activeTabIdRef.current; |
| 2937 | if (!targetTabId) return "empty"; |
| 2938 | const state = statesRef.current.get(targetTabId); |
| 2939 | if (!state?.historyHasOlder || state.historyOlderLoading) return "empty"; |
| 2940 | const requestSeq = (historyWindowSeq.current.get(targetTabId) ?? 0) + 1; |
| 2941 | historyWindowSeq.current.set(targetTabId, requestSeq); |
| 2942 | recordFrontendDiagnostic("history", "history.older-request", { |
| 2943 | trigger, intent: activeNavigationSeqRef.current, targeted: targetTurn !== undefined, |
| 2944 | }); |
| 2945 | ensureTranscriptSubscription(targetTabId); |
| 2946 | return loadHistoryWindow({ |
| 2947 | tabId: targetTabId, direction: "older", targetTurn, trigger, state, requestSeq, |
| 2948 | isCurrent: (seq) => historyWindowSeq.current.get(targetTabId) === seq, |
| 2949 | currentState: () => statesRef.current.get(targetTabId), |
| 2950 | dispatch: (action) => dispatchTo(targetTabId, action), |
| 2951 | }); |
| 2952 | }, [dispatchTo, ensureTranscriptSubscription, startTranscriptFollow]); |
| 2953 | |
| 2954 | const loadNewerHistory = useCallback(async (tabId?: string, latest = false, readerCurrent?: () => boolean): Promise<HistoryLoadOutcome> => { |
| 2955 | const targetTabId = tabId || activeTabIdRef.current; |
| 2956 | if (!targetTabId) return "empty"; |
| 2957 | const state = statesRef.current.get(targetTabId); |
| 2958 | if (!state || (!latest && (!state.historyHasNewer || state.historyNewerLoading))) return "empty"; |
| 2959 | const requestSeq = (historyWindowSeq.current.get(targetTabId) ?? 0) + 1; |
| 2960 | historyWindowSeq.current.set(targetTabId, requestSeq); |
| 2961 | ensureTranscriptSubscription(targetTabId); |
| 2962 | return loadHistoryWindow({ |
| 2963 | tabId: targetTabId, direction: latest ? "latest" : "newer", trigger: latest ? "return-latest" : "viewport-user", |
| 2964 | state, requestSeq, readerCurrent, |
| 2965 | isCurrent: (seq) => historyWindowSeq.current.get(targetTabId) === seq, |
| 2966 | currentState: () => statesRef.current.get(targetTabId), |
| 2967 | dispatch: (action) => dispatchTo(targetTabId, action), |
| 2968 | }); |
| 2969 | }, [dispatchTo, ensureTranscriptSubscription]); |
| 2970 | |
| 2971 | const activeTabFromBackend = useCallback(async (): Promise<TabMeta | undefined> => { |
| 2972 | const tabs = asArray(await app.ListTabs().catch(() => [] as TabMeta[])); |
| 2973 | for (const tab of tabs) listedSessionIdentityByTabRef.current.set(tab.id, tab); |
| 2974 | return tabs.find((tab) => tab.active) ?? tabs[0]; |
| 2975 | }, []); |
| 2976 | |
| 2977 | // snapshotAt is the promptEventClock() reading taken after the backend call |
| 2978 | // produced `tab`. The reducer uses it to ignore snapshots that predate a |
| 2979 | // live approval/ask event (#6429). |
| 2980 | const dispatchRuntimeStatusForTab = useCallback((tabId: string, tab: RuntimeMetaSnapshot, snapshotAt?: number) => { |
| 2981 | const foregroundRunning = foregroundRunningFromRuntimeMeta(tab); |
| 2982 | const runtimeEpoch = tab.runtime?.epoch; |
| 2983 | if (statesRef.current.get(tabId)?.transcriptProtocol === 1) { |
| 2984 | dispatchTo(tabId, { type: "backend_status", running: foregroundRunning, backgroundJobs: tab.backgroundJobs, runtimeEpoch }); |
| 2985 | return Boolean(statesRef.current.get(tabId)?.running || statesRef.current.get(tabId)?.pendingPrompt); |
| 2986 | } |
| 2987 | // Will the reducer reject this as a snapshot that predates the live prompt? |
| 2988 | // Computed on pre-dispatch state so we can schedule an authoritative |
| 2989 | // refetch when a stale idle snapshot is ignored. |
| 2990 | const rejectedStaleIdle = !tab.pendingPrompt && runtimeSnapshotPredatesPrompt(statesRef.current.get(tabId), snapshotAt); |
| 2991 | dispatchTo(tabId, { |
| 2992 | type: "backend_status", |
| 2993 | running: foregroundRunning, |
| 2994 | turnStartedAt: tab.turnStartedAt, |
| 2995 | pendingPrompt: Boolean(tab.pendingPrompt), |
| 2996 | backgroundJobs: tab.backgroundJobs ?? 0, |
| 2997 | cancelRequested: Boolean(tab.cancelRequested), |
| 2998 | cancellable: foregroundRunning, |
| 2999 | turnId: tab.turnId, |
| 3000 | turnStatus: tab.turnStatus, |
| 3001 | runtimeEpoch, |
| 3002 | turnEventSeq: tab.turnEventSeq, |
| 3003 | snapshotAt, |
| 3004 | }); |
| 3005 | // backend_status reconciliation can clear a live prompt from frontend state. |
| 3006 | // If the backend is still blocked, ask it to replay the approval/ask event. |
| 3007 | if (tab.pendingPrompt) replayPendingPromptsForActiveTab(tabId); |
| 3008 | // A stale idle snapshot the reducer ignored cannot be trusted to have kept a |
| 3009 | // GENUINE prompt: navigation can drop the prompt anchor, so a delayed replay |
| 3010 | // of an already-answered prompt looks like a fresh prompt and re-anchors, |
| 3011 | // making this authoritative idle look stale. Refetch backend truth once so a |
| 3012 | // resolved prompt is cleared instead of surviving as a zombie (#6432). |
| 3013 | if (rejectedStaleIdle) scheduleStalePromptReconcileRef.current(tabId); |
| 3014 | // A prompt that survived reconciliation (fresh pendingPrompt=true meta, or |
| 3015 | // a stale snapshot the reducer ignored) keeps the tab blocked on the user. |
| 3016 | // Report it as foreground-running so callers do not treat the snapshot as |
| 3017 | // a missed turn_done and reset the session out from under the prompt. |
| 3018 | const local = statesRef.current.get(tabId); |
| 3019 | if (local?.approval || local?.ask) return true; |
| 3020 | return foregroundRunning; |
| 3021 | }, [dispatchTo]); |
| 3022 | |
| 3023 | const waitForTabReady = useCallback(async (tabId: string): Promise<void> => { |
| 3024 | for (let attempt = 0; attempt < 60; attempt += 1) { |
| 3025 | const tabs = asArray(await app.ListTabs().catch(() => [] as TabMeta[])); |
| 3026 | const tab = tabs.find((candidate) => candidate.id === tabId); |
| 3027 | if (!tab || tab.ready || tab.startupErr) return; |
| 3028 | await new Promise((resolve) => window.setTimeout(resolve, 100)); |
| 3029 | } |
| 3030 | }, []); |
| 3031 | |
| 3032 | const syncActiveTabFromBackend = useCallback(async (reset = false, guard = false, options: SyncActiveTabOptions = {}): Promise<string | undefined> => { |
| 3033 | const snapshotAt = promptEventClock(); |
| 3034 | // The navigation generation fences same-tab session rebinds as well as tab-id changes. |
| 3035 | const expectedNavigationSeq = options.navigationIntentSeq ?? activeNavigationSeqRef.current; |
| 3036 | const active = await activeTabFromBackend(); |
| 3037 | if (!active) return undefined; |
| 3038 | const { activeTabHydrationPlan, coldHistoryRefreshProof, continueColdHistory } = await import("./coldHistoryRefresh"); |
| 3039 | if (!isNavigationIntentCurrent(expectedNavigationSeq)) return active.id; |
| 3040 | // When guard is true, skip if the frontend already settled on a |
| 3041 | // different tab while we were fetching — this prevents fire-and-forget |
| 3042 | // calls from mount/onReady from overwriting a user-initiated tab switch |
| 3043 | // (e.g. handleNewTab → ensureBlankSurface / switchTab). |
| 3044 | if (guard && activeTabIdRef.current && activeTabIdRef.current !== active.id) return active.id; |
| 3045 | if (activeTabIdRef.current !== active.id && options.navigationIntentSeq === undefined) beginActiveNavigation(); |
| 3046 | const previousState = statesRef.current.get(active.id); |
| 3047 | const hydration = activeTabHydrationPlan(active, previousState?.meta, reset, options.surfacePolicy, options.preserveCachedHistory); |
| 3048 | setActiveTabId(active.id); |
| 3049 | activeTabIdRef.current = active.id; |
| 3050 | confirmBackendActiveTab(active.id); |
| 3051 | if (active.runtime?.epoch) runtimeEpochByTabRef.current.set(active.id, active.runtime.epoch); |
| 3052 | dispatchTo(active.id, { type: "optimistic_meta", meta: metaFromTab(active, previousState?.meta) }); |
| 3053 | if (!reset && hydration.surfacePolicy === "preserve-current") dispatchRuntimeStatusForTab(active.id, active, snapshotAt); |
| 3054 | const loadStartup = (loadOptions: SessionHydrationOptions<Item, HydrateSurfacePolicy> = hydration.loadOptions) => loadSessionDataForTab(active.id, false, "startup", loadOptions); |
| 3055 | const pendingColdHistory = !reset ? coldHistoryInFlight.current.get(active.id) : undefined; |
| 3056 | if (pendingColdHistory?.current()) { |
| 3057 | const current = () => isNavigationIntentCurrent(expectedNavigationSeq) && activeTabIdRef.current === active.id; |
| 3058 | continueColdHistory(pendingColdHistory.promise, current, loadStartup, () => startTranscriptFollow(active.id, active.sessionPath ?? ""), () => loadStartup({ ...hydration.loadOptions, skipHistory: true, preserveCachedHistory: true })); |
| 3059 | return active.id; |
| 3060 | } |
| 3061 | // Startup has no activation ticket. Use the same bounded cold reader as |
| 3062 | // navigation while execution is recovering; the ready event will bind the |
| 3063 | // live follower. Never manufacture a subscription or executable runtime. |
| 3064 | if (needsColdHistory(active)) { |
| 3065 | const proof = coldHistoryRefreshProof(active, previousState, !reset && hydration.loadOptions.preserveCachedHistory); |
| 3066 | if (proof && getTranscriptStore().peek(active.id, active.sessionPath ?? "", proof)) return active.id; |
| 3067 | dispatchTo(active.id, { type: "hydrate_start", reason: "startup" }); |
| 3068 | const current = () => isNavigationIntentCurrent(expectedNavigationSeq) && activeTabIdRef.current === active.id; |
| 3069 | const read = primeReadableHistoryForTab(active.id, active, "startup", expectedNavigationSeq, current); |
| 3070 | if (options.deferHydration) void read; |
| 3071 | else await read; |
| 3072 | return active.id; |
| 3073 | } |
| 3074 | const load = reset ? loadSessionDataForTab(active.id, reset, "startup", hydration.loadOptions) : loadStartup(); |
| 3075 | if (reset || hydration.surfacePolicy === "replace-surface") dispatchRuntimeStatusForTab(active.id, active, snapshotAt); |
| 3076 | if (options.deferHydration) void load; |
| 3077 | else await load; |
| 3078 | return active.id; |
| 3079 | }, [activeTabFromBackend, beginActiveNavigation, confirmBackendActiveTab, dispatchRuntimeStatusForTab, dispatchTo, isNavigationIntentCurrent, loadSessionDataForTab, primeReadableHistoryForTab, startTranscriptFollow]); |
| 3080 | |
| 3081 | const reconcileTabRuntime = useCallback(async ( |
| 3082 | tabId: string, |
| 3083 | options: { hydrateSessionData?: boolean; refreshAncillary?: boolean } = {}, |
| 3084 | ): Promise<TabMeta[] | undefined> => { |
| 3085 | const hydrateSessionData = options.hydrateSessionData ?? true; |
| 3086 | const refreshAncillary = options.refreshAncillary ?? true; |
| 3087 | const snapshotAt = promptEventClock(); |
| 3088 | const tabs = asArray(await app.ListTabs().catch(() => [] as TabMeta[])); |
| 3089 | const tab = tabs.find((candidate) => candidate.id === tabId); |
| 3090 | if (!tab) return undefined; |
| 3091 | if (tab.runtime?.epoch) runtimeEpochByTabRef.current.set(tabId, tab.runtime.epoch); |
| 3092 | const local = statesRef.current.get(tabId); |
| 3093 | const needsInitialLoad = !local?.meta; |
| 3094 | const foregroundRunning = dispatchRuntimeStatusForTab(tabId, tab, snapshotAt); |
| 3095 | const missedTurnDone = Boolean(local?.running && !foregroundRunning); |
| 3096 | if (hydrateSessionData && (needsInitialLoad || missedTurnDone)) { |
| 3097 | await loadSessionDataForTab(tabId, missedTurnDone, "startup", { |
| 3098 | ...sessionIdentityFields(tab), |
| 3099 | sessionRevision: tab.sessionRevision, |
| 3100 | sessionDigest: tab.sessionDigest, |
| 3101 | }); |
| 3102 | return tabs; |
| 3103 | } |
| 3104 | if (!refreshAncillary) return tabs; |
| 3105 | const [jobs, effort] = await Promise.all([ |
| 3106 | app.JobsForTab(tabId).catch(() => undefined), |
| 3107 | app.EffortForTab(tabId).catch(() => undefined), |
| 3108 | ]); |
| 3109 | if (jobs) dispatchTo(tabId, { type: "jobs", jobs: asArray(jobs) }); |
| 3110 | if (effort) dispatchTo(tabId, { type: "effort", effort }); |
| 3111 | await refreshBalanceForTab(tabId); |
| 3112 | return tabs; |
| 3113 | }, [dispatchRuntimeStatusForTab, loadSessionDataForTab, refreshBalanceForTab]); |
| 3114 | |
| 3115 | const reconcileRuntimeAfterRejectedMutation = useCallback(async (tabId: string): Promise<void> => { |
| 3116 | const result = await findTabAfterSubmitFailure(app, tabId, CANCEL_RECONCILE_DELAYS_MS, promptEventClock); |
| 3117 | if (!result) return; |
| 3118 | const [tab, snapshotAt] = result; |
| 3119 | if (tab?.runtime?.epoch) runtimeEpochByTabRef.current.set(tabId, tab.runtime.epoch); |
| 3120 | dispatchRuntimeStatusForTab(tabId, tab ?? { running: false }, snapshotAt); |
| 3121 | if (tab) await startTranscriptFollow(tabId, tab.sessionPath ?? ""); |
| 3122 | }, [dispatchRuntimeStatusForTab, startTranscriptFollow]); |
| 3123 | |
| 3124 | // Authoritative backstop for the prompt-freshness heuristic: after the reducer |
| 3125 | // rejects a stale idle snapshot, refetch backend state once. If the backend |
| 3126 | // resolved the prompt, the fresh snapshot (fetched after any in-flight replay) |
| 3127 | // is newer than the anchor and reconciles the zombie away; if the prompt is |
| 3128 | // genuinely pending, the fresh snapshot keeps it. Debounced per tab so a burst |
| 3129 | // of stale snapshots schedules at most one refetch (#6432). |
| 3130 | const scheduleStalePromptReconcile = useCallback((tabId: string) => { |
| 3131 | if (stalePromptReconcileTimers.current.has(tabId)) return; |
| 3132 | const timer = window.setTimeout(() => { |
| 3133 | stalePromptReconcileTimers.current.delete(tabId); |
| 3134 | void reconcileTabRuntime(tabId, RUNTIME_STATUS_ONLY).catch(() => {}); |
| 3135 | }, STALE_PROMPT_RECONCILE_MS); |
| 3136 | stalePromptReconcileTimers.current.set(tabId, timer); |
| 3137 | }, [reconcileTabRuntime]); |
| 3138 | scheduleStalePromptReconcileRef.current = scheduleStalePromptReconcile; |
| 3139 | |
| 3140 | const clearCancelReconcileTimer = useCallback((tabId: string) => { |
| 3141 | const timer = cancelReconcileTimers.current.get(tabId); |
| 3142 | if (timer === undefined) return; |
| 3143 | window.clearTimeout(timer); |
| 3144 | cancelReconcileTimers.current.delete(tabId); |
| 3145 | }, []); |
| 3146 | |
| 3147 | const scheduleCancelReconcile = useCallback((tabId: string, attempt = 0) => { |
| 3148 | clearCancelReconcileTimer(tabId); |
| 3149 | const delay = CANCEL_RECONCILE_DELAYS_MS[Math.min(attempt, CANCEL_RECONCILE_DELAYS_MS.length - 1)]; |
| 3150 | const timer = window.setTimeout(() => { |
| 3151 | cancelReconcileTimers.current.delete(tabId); |
| 3152 | void reconcileTabRuntime(tabId, RUNTIME_STATUS_ONLY).then((tabs) => { |
| 3153 | const tab = tabs?.find((candidate) => candidate.id === tabId); |
| 3154 | if (!tab) return; |
| 3155 | const stillReconciling = foregroundRunningFromRuntimeMeta(tab) || Boolean(tab.cancelRequested); |
| 3156 | if (stillReconciling && attempt + 1 < CANCEL_RECONCILE_DELAYS_MS.length) { |
| 3157 | scheduleCancelReconcile(tabId, attempt + 1); |
| 3158 | return; |
| 3159 | } |
| 3160 | // TurnDone(interrupted) is now the authoritative cancellation boundary. |
| 3161 | // Never replace the whole transcript here: a stale cancellation load |
| 3162 | // can finish after the user's replacement turn and erase that newer |
| 3163 | // prompt/answer. The terminal event patches only the active turn. |
| 3164 | if (!stillReconciling) { |
| 3165 | const current = statesRef.current.get(tabId); |
| 3166 | if (current?.transcriptProtocol === 2 && (current.running || current.cancelRequested)) { |
| 3167 | void startTranscriptFollow(tabId, current.meta?.sessionPath ?? "").catch(() => {}); |
| 3168 | } |
| 3169 | void refreshCheckpoints(tabId); |
| 3170 | } |
| 3171 | }).catch(() => {}); |
| 3172 | }, delay); |
| 3173 | cancelReconcileTimers.current.set(tabId, timer); |
| 3174 | }, [clearCancelReconcileTimer, reconcileTabRuntime, refreshCheckpoints, startTranscriptFollow]); |
| 3175 | |
| 3176 | // Topic-activation lifecycle events drive the ticketed activation flow: the |
| 3177 | // visible surface already switched when StartTopicActivation returned; the |
| 3178 | // history hydrate waits for the terminal "ready" of the LATEST request. |
| 3179 | // Events for superseded requestIds (including their "cancelled") are |
| 3180 | // dropped; agent:ready/agent:event handling is untouched and still covers |
| 3181 | // every non-ticketed flow (rebind, recovery, restore, SetActiveTab). |
| 3182 | const restoreNavigationSource = useCallback(async (navigationSeq: number, targetTabId: string, error?: string): Promise<boolean> => { |
| 3183 | const source = navigationSourcesRef.current.get(navigationSeq); |
| 3184 | const sourceTabId = source?.tabId; |
| 3185 | const sourceState = source?.state; |
| 3186 | if (!sourceTabId || !sourceState || !isNavigationIntentCurrent(navigationSeq) || activeTabIdRef.current !== targetTabId) return false; |
| 3187 | // Keep the failed target masked while the backend source is rebound. If |
| 3188 | // restoration also fails, backend_activation_done lets App expose the |
| 3189 | // target's retry surface instead of leaving an infinite navigation mask. |
| 3190 | dispatchTo(targetTabId, { type: "backend_activation_start" }); |
| 3191 | const sourceTab = source.tab ?? await source.tabPromise; |
| 3192 | const { restoreNavigationBackend } = await import("./controllerSwitchNotices"); |
| 3193 | const restored = await restoreNavigationBackend(sourceTabId, targetTabId, sourceTab); |
| 3194 | if (!restored) { |
| 3195 | if (isNavigationIntentCurrent(navigationSeq) && activeTabIdRef.current === targetTabId) dispatchTo(targetTabId, { type: "backend_activation_done" }); |
| 3196 | return false; |
| 3197 | } |
| 3198 | const { restoredTabId, restoredMeta } = restored; |
| 3199 | if (!isNavigationIntentCurrent(navigationSeq) || activeTabIdRef.current !== targetTabId) { |
| 3200 | await reassertVisibleTabAfterStaleNavigation("navigation.restore-source", restoredTabId); |
| 3201 | return false; |
| 3202 | } |
| 3203 | if (restoredMeta) { |
| 3204 | ensureTranscriptSubscription(restoredTabId); |
| 3205 | statesRef.current.set(restoredTabId, { |
| 3206 | ...sourceState, |
| 3207 | meta: metaFromTab(restoredMeta, sourceState.meta), |
| 3208 | hydrating: false, |
| 3209 | hydrateReason: undefined, |
| 3210 | hydrateError: undefined, |
| 3211 | hydrateHistoryLoaded: true, |
| 3212 | hydratePlaceholderItems: undefined, |
| 3213 | backendActivationPending: false, |
| 3214 | }); |
| 3215 | notifyLiveListeners(restoredTabId); |
| 3216 | } |
| 3217 | setActiveTabId(restoredTabId); |
| 3218 | activeTabIdRef.current = restoredTabId; |
| 3219 | confirmBackendActiveTab(restoredTabId); |
| 3220 | if (error) dispatchTo(restoredTabId, { type: "local_notice", level: "warn", text: error, preserveRuntime: true }); |
| 3221 | if (restoredMeta && restoredTabId !== sourceTabId) { |
| 3222 | void loadSessionDataForTab(restoredTabId, false, "open-topic", { |
| 3223 | placeholderItems: sourceState.items, |
| 3224 | preserveCachedHistory: false, |
| 3225 | ...sessionIdentityFields(restoredMeta), |
| 3226 | sessionRevision: restoredMeta.sessionRevision, |
| 3227 | sessionDigest: restoredMeta.sessionDigest, |
| 3228 | sessionGeneration: restoredMeta.sessionGeneration, |
| 3229 | surfacePolicy: "preserve-current", |
| 3230 | }).then(() => reconcileTabRuntime(restoredTabId, RUNTIME_STATUS_ONLY)).catch(() => {}); |
| 3231 | } |
| 3232 | navigationSourcesRef.current.delete(navigationSeq); |
| 3233 | return true; |
| 3234 | }, [confirmBackendActiveTab, dispatchTo, ensureTranscriptSubscription, isNavigationIntentCurrent, loadSessionDataForTab, notifyLiveListeners, reassertVisibleTabAfterStaleNavigation, reconcileTabRuntime]); |
| 3235 | |
| 3236 | const monitorNavigationHydration = useCallback(( |
| 3237 | navigationSeq: number, |
| 3238 | targetTabId: string, |
| 3239 | hydration: Promise<void>, |
| 3240 | onReady?: () => unknown | Promise<unknown>, |
| 3241 | ) => { |
| 3242 | void hydration.then(async () => { |
| 3243 | if (!isNavigationIntentCurrent(navigationSeq) || activeTabIdRef.current !== targetTabId) return; |
| 3244 | if (statesRef.current.get(targetTabId)?.hydrateError) { |
| 3245 | await restoreNavigationSource(navigationSeq, targetTabId, t("history.failedOpenSession")); |
| 3246 | return; |
| 3247 | } |
| 3248 | await onReady?.(); |
| 3249 | }).catch(async () => { |
| 3250 | if (!isNavigationIntentCurrent(navigationSeq) || activeTabIdRef.current !== targetTabId) return; |
| 3251 | const safeError = t("history.failedOpenSession"); |
| 3252 | dispatchTo(targetTabId, { type: "hydrate_error", reason: "open-topic", error: safeError }); |
| 3253 | await restoreNavigationSource(navigationSeq, targetTabId, safeError); |
| 3254 | }); |
| 3255 | }, [dispatchTo, isNavigationIntentCurrent, restoreNavigationSource]); |
| 3256 | |
| 3257 | const handleTopicActivationEvent = useCallback((event: TopicActivationEvent) => { |
| 3258 | const pending = pendingTopicActivationRef.current; |
| 3259 | if (!pending || event.requestId !== pending.requestId) return; |
| 3260 | if (event.phase === "starting") { |
| 3261 | noteActivationStarted(event.requestId, event.tabId); |
| 3262 | return; |
| 3263 | } |
| 3264 | if (!pending.tabId) { |
| 3265 | // The ticket has not resolved yet; replay once activateTopic applies it. |
| 3266 | pending.terminal = event; |
| 3267 | return; |
| 3268 | } |
| 3269 | if (event.phase === "cancelled") { |
| 3270 | noteActivationSettled(event.requestId, "cancelled"); |
| 3271 | if (pendingTopicActivationRef.current === pending) pendingTopicActivationRef.current = undefined; |
| 3272 | if (pending.tabId && isNavigationIntentCurrent(pending.navigationSeq) && activeTabIdRef.current === pending.tabId) { |
| 3273 | void restoreNavigationSource(pending.navigationSeq, pending.tabId); |
| 3274 | } |
| 3275 | return; |
| 3276 | } |
| 3277 | pendingTopicActivationRef.current = undefined; |
| 3278 | if (!isNavigationIntentCurrent(pending.navigationSeq)) return; |
| 3279 | const tabId = pending.tabId; |
| 3280 | if (activeTabIdRef.current !== tabId) return; |
| 3281 | if (event.phase === "failed") { |
| 3282 | noteActivationSettled(event.requestId, "failed", event.error); |
| 3283 | const safeError = t("history.failedOpenSession"); |
| 3284 | const current = statesRef.current.get(tabId); |
| 3285 | // Runtime activation and readable history are independent. If the |
| 3286 | // controller/lease/MCP phase fails after the canonical transcript was |
| 3287 | // already published, keep that transcript selected and make only the |
| 3288 | // write side unavailable. Treating this as a history failure used to |
| 3289 | // restore the source surface and throw away a perfectly readable target. |
| 3290 | if (current?.meta) { |
| 3291 | dispatchTo(tabId, { |
| 3292 | type: "meta", |
| 3293 | meta: { |
| 3294 | ...current.meta, |
| 3295 | ready: false, |
| 3296 | startupErr: safeError, |
| 3297 | runtime: current.meta.runtime |
| 3298 | ? { ...current.meta.runtime, phase: "failed" } |
| 3299 | : current.meta.runtime, |
| 3300 | }, |
| 3301 | }); |
| 3302 | } |
| 3303 | dispatchTo(tabId, { type: "local_notice", level: "warn", text: safeError, preserveRuntime: true }); |
| 3304 | return; |
| 3305 | } |
| 3306 | noteActivationSettled(event.requestId, "ready"); |
| 3307 | noteNavigationRuntimeReady(pending.navigationSeq, pending.runtimeInitiallyReady); |
| 3308 | ensureTranscriptSubscription(tabId); |
| 3309 | // The ticket already prepared the target. Preserve any Ask that raced |
| 3310 | // ready while reset=true supersedes the earlier agent-ready history read. |
| 3311 | void loadSessionDataForTab(tabId, true, "open-topic", { placeholderItems: pending.placeholderItems }) |
| 3312 | .then(() => { |
| 3313 | if (!isNavigationIntentCurrent(pending.navigationSeq) || activeTabIdRef.current !== tabId) return; |
| 3314 | const hydrated = statesRef.current.get(tabId); |
| 3315 | if (hydrated?.hydrateError) { |
| 3316 | void restoreNavigationSource(pending.navigationSeq, tabId, t("history.failedOpenSession")); |
| 3317 | return; |
| 3318 | } |
| 3319 | return reconcileTabRuntime(tabId, RUNTIME_STATUS_ONLY); |
| 3320 | }) |
| 3321 | .catch(() => { |
| 3322 | if (isNavigationIntentCurrent(pending.navigationSeq) && activeTabIdRef.current === tabId) { |
| 3323 | void restoreNavigationSource(pending.navigationSeq, tabId, t("history.failedOpenSession")); |
| 3324 | } |
| 3325 | }); |
| 3326 | }, [dispatchTo, ensureTranscriptSubscription, isNavigationIntentCurrent, loadSessionDataForTab, reconcileTabRuntime, restoreNavigationSource]); |
| 3327 | |
| 3328 | useEffect(() => { |
| 3329 | const textBatch = createRafBatch<StreamDeltaEntry>((batch) => { |
| 3330 | uiPerfTracker.onStreamDispatch(); |
| 3331 | for (const b of coalesceStreamDeltas(batch)) dispatchTo(b.tabId, { type: "stream_batch", segments: b.segments }); |
| 3332 | }); |
| 3333 | const receiveWireEvent = (e: WireEvent) => { |
| 3334 | // Untagged compatibility events belong to the tab that the backend has |
| 3335 | // actually activated, not the frontend's optimistic selection. During a |
| 3336 | // slow SetActiveTab these can differ, and routing to the optimistic tab |
| 3337 | // leaks the previous session's approval/ask gate into the new composer. |
| 3338 | const targetTabId = e.tabId || backendActiveTabIdRef.current || activeTabIdRef.current; |
| 3339 | if (!targetTabId) return; |
| 3340 | const acceptedEpoch = runtimeEpochByTabRef.current.get(targetTabId); |
| 3341 | if (e.runtimeEpoch) { |
| 3342 | if (!acceptsRuntimeEventEpoch(acceptedEpoch, e.runtimeEpoch)) return; |
| 3343 | if (!acceptedEpoch) runtimeEpochByTabRef.current.set(targetTabId, e.runtimeEpoch); |
| 3344 | } |
| 3345 | const currentMeta = statesRef.current.get(targetTabId)?.meta; |
| 3346 | if (e.sessionGeneration !== undefined && (!currentMeta || currentMeta.sessionGeneration === undefined || e.sessionGeneration !== currentMeta.sessionGeneration)) return; |
| 3347 | handleWireEvent({ ...e, tabId: targetTabId }); |
| 3348 | }; |
| 3349 | const handleWireEvent = (e: WireEvent) => { |
| 3350 | const targetTabId = e.tabId; |
| 3351 | if (!targetTabId) throw new Error("ordered event has no target tab"); |
| 3352 | if (e.kind === "turn_done" || e.tool) void import("./autoHTML") |
| 3353 | .then((module) => module.default(e, targetTabId, activeTabIdRef, statesRef)); |
| 3354 | if (e.kind === "turn_done" || e.kind === "context_maintenance") { |
| 3355 | void app.ContextUsageForTab(targetTabId).then((context) => dispatchTo(targetTabId, { type: "context", context })).catch(() => {}); |
| 3356 | } |
| 3357 | if (e.kind === "turn_done") { |
| 3358 | invalidateSharedQuery("BalanceForTab", [targetTabId]); |
| 3359 | void refreshBalanceForTab(targetTabId); |
| 3360 | app.EffortForTab(targetTabId).then((effort) => dispatchTo(targetTabId, { type: "effort", effort })).catch(() => {}); |
| 3361 | void refreshTurnBoundaries(targetTabId); |
| 3362 | invalidateSharedQuery("MetaForTab", [targetTabId]); |
| 3363 | void refreshMetaForTab(targetTabId); |
| 3364 | } |
| 3365 | if (e.kind === "turn_done" || e.kind === "notice") { |
| 3366 | app.JobsForTab(targetTabId).then((jobs) => dispatchTo(targetTabId, { type: "jobs", jobs: asArray(jobs) })).catch(() => {}); |
| 3367 | } |
| 3368 | if (e.kind === "session_changed" && e.sessionReset) { |
| 3369 | // The controller replaced the transcript under the same path (a head |
| 3370 | // switch from /switch, /branch, or /rewind); reload rather than patch. |
| 3371 | void loadSessionDataForTab(targetTabId, true, "session-changed"); |
| 3372 | } |
| 3373 | }; |
| 3374 | const off = onEvent(receiveWireEvent); |
| 3375 | |
| 3376 | const offReady = onReady((readyTabId) => { |
| 3377 | const activeId = activeTabIdRef.current; |
| 3378 | if (readyTabId && activeId && readyTabId !== activeId) { |
| 3379 | addBreadcrumb("tab.hydrate", `ready ignored ${readyTabId}`); |
| 3380 | return; |
| 3381 | } |
| 3382 | // Refresh metadata without turning passive readiness into navigation. |
| 3383 | void syncActiveTabFromBackend(false, true, { preserveCachedHistory: true, navigationIntentSeq: activeNavigationSeqRef.current }); |
| 3384 | }); |
| 3385 | |
| 3386 | // A rebuilt controller reissues approval/ask ids from "1" (see sound.ts). |
| 3387 | // Drop this tab's id-anchored prompt bookkeeping so a genuinely new |
| 3388 | // prompt from the new controller is never misread as a stale replay of |
| 3389 | // one the old controller already resolved (#6432 round 3). A tab-less |
| 3390 | // rebuild (settings-wide) affects every known tab. |
| 3391 | const offRebuilt = onRuntimeRebuilt((rebuiltTabId, runtimeEpoch) => { |
| 3392 | const ids = rebuiltTabId ? [rebuiltTabId] : Array.from(statesRef.current.keys()); |
| 3393 | for (const id of ids) { |
| 3394 | followers.current.get(id)?.stop(); |
| 3395 | followers.current.delete(id); |
| 3396 | invalidateSharedQuery("MetaForTab", [id]); |
| 3397 | if (runtimeEpoch) runtimeEpochByTabRef.current.set(id, runtimeEpoch); |
| 3398 | dispatchTo(id, { type: "controller_rebuilt" }); |
| 3399 | const state = statesRef.current.get(id); |
| 3400 | if (!needsColdHistory(state?.meta) && !state?.hydrating && !state?.backendActivationPending) { |
| 3401 | void startTranscriptFollow(id, state?.meta?.sessionPath ?? "").catch(error => |
| 3402 | dispatchTo(id, { type: "transcript_connection", status: "disconnected", error: String(error) })); |
| 3403 | } |
| 3404 | } |
| 3405 | }); |
| 3406 | const offTopicActivation = onTopicActivation(handleTopicActivationEvent); |
| 3407 | // tab:meta carries a full refreshed Meta after the backend's background |
| 3408 | // refresh of the expensive fields (git branch, image-input capability) — |
| 3409 | // those arrive empty in the first MetaForTab response now. Merge it like a |
| 3410 | // MetaForTab result, fenced to the session the tab is currently bound to. |
| 3411 | const offTabMeta = onTabMeta(({ tabId, meta }) => { |
| 3412 | if (!tabId || !meta) return; |
| 3413 | const current = statesRef.current.get(tabId); |
| 3414 | if (!current?.meta) return; |
| 3415 | if (sessionIdentityStableKey(meta) && !sameSessionHydrateIdentity(meta, current.meta)) return; |
| 3416 | dispatchTo(tabId, { type: "meta", meta }); |
| 3417 | }); |
| 3418 | |
| 3419 | const offRecovery = startControllerEventRecovery({ |
| 3420 | navigation: () => activeNavigationSeqRef.current, |
| 3421 | bindings: () => new Map(Array.from(statesRef.current, ([id, state]) => [id, JSON.stringify([sessionIdentityStableKey(state.meta), sessionLoadSeq.current.get(id)])])), |
| 3422 | meta: id => statesRef.current.get(id)?.meta, |
| 3423 | now: promptEventClock, |
| 3424 | flush: () => textBatch.drain(), |
| 3425 | prepare: tab => { |
| 3426 | if (tab.runtime?.epoch) runtimeEpochByTabRef.current.set(tab.id, tab.runtime.epoch); |
| 3427 | invalidateSharedQuery("MetaForTab", [tab.id]); |
| 3428 | dispatchTo(tab.id, { type: "optimistic_meta", meta: metaFromTab(tab, statesRef.current.get(tab.id)?.meta) }); |
| 3429 | }, |
| 3430 | runtime: (tab, snapshotAt) => { |
| 3431 | dispatchRuntimeStatusForTab(tab.id, tab, snapshotAt); |
| 3432 | }, |
| 3433 | resynchronize: async tab => { |
| 3434 | if (needsColdHistory(tab)) return; |
| 3435 | await startTranscriptFollow(tab.id, tab.sessionPath ?? ""); |
| 3436 | }, |
| 3437 | reset: id => { followers.current.get(id)?.stop(); followers.current.delete(id); }, |
| 3438 | hydrate: async (tab, recoveryCurrent) => { |
| 3439 | if (needsColdHistory(tab)) { |
| 3440 | dispatchTo(tab.id, { type: "hydrate_start", reason: "startup" }); |
| 3441 | await primeReadableHistoryForTab(tab.id, tab, "startup", activeNavigationSeqRef.current, recoveryCurrent); |
| 3442 | } else { |
| 3443 | await loadSessionDataForTab(tab.id, true, "startup", { |
| 3444 | ...sessionIdentityFields(tab), sessionRevision: tab.sessionRevision, |
| 3445 | sessionDigest: tab.sessionDigest, sessionGeneration: tab.sessionGeneration, recoveryCurrent, |
| 3446 | }); |
| 3447 | } |
| 3448 | }, |
| 3449 | }); |
| 3450 | |
| 3451 | // Passive hydration must not invalidate the concurrent draft-restore probe. |
| 3452 | void syncActiveTabFromBackend(false, true, { navigationIntentSeq: activeNavigationSeqRef.current }); |
| 3453 | // The event subscription is live now, so ask the backend to re-emit any |
| 3454 | // approval/ask prompt that was already blocking a tab before this load — |
| 3455 | // otherwise a session left mid-confirmation shows "waiting" with no modal |
| 3456 | // and no way to stop (#3844). |
| 3457 | void app.ReplayPendingPrompts().catch(() => {}); |
| 3458 | return () => { |
| 3459 | textBatch.drain(); |
| 3460 | for (const follower of followers.current.values()) follower.stop(); |
| 3461 | followers.current.clear(); |
| 3462 | for (const timer of cancelReconcileTimers.current.values()) { |
| 3463 | window.clearTimeout(timer); |
| 3464 | } |
| 3465 | cancelReconcileTimers.current.clear(); |
| 3466 | for (const timer of stalePromptReconcileTimers.current.values()) { |
| 3467 | window.clearTimeout(timer); |
| 3468 | } |
| 3469 | stalePromptReconcileTimers.current.clear(); |
| 3470 | off(); |
| 3471 | offReady(); |
| 3472 | offRebuilt(); |
| 3473 | offTopicActivation(); |
| 3474 | offTabMeta(); |
| 3475 | offRecovery(); |
| 3476 | }; |
| 3477 | }, [dispatchRuntimeStatusForTab, dispatchTo, handleTopicActivationEvent, loadSessionDataForTab, primeReadableHistoryForTab, refreshBalanceForTab, refreshCheckpoints, refreshMetaForTab, syncActiveTabFromBackend, startTranscriptFollow]); |
| 3478 | |
| 3479 | // Track the visible tab in the transcript store: the active tab is pinned |
| 3480 | // out of LRU eviction. (In-flight loads of background tabs still complete |
| 3481 | // into their own per-tab state; store generations move on session switch, |
| 3482 | // evict, and unload — not on visible-tab changes.) |
| 3483 | useEffect(() => { |
| 3484 | getTranscriptStore().noteActiveTab(activeTabId, previousStoreActiveTabRef.current); |
| 3485 | previousStoreActiveTabRef.current = activeTabId; |
| 3486 | }, [activeTabId, startTranscriptFollow]); |
| 3487 | |
| 3488 | // History reads route by binding identity: a remote tab's session lives on |
| 3489 | // its serve host, so answering it locally would mix two sessions. |
| 3490 | useEffect(() => { |
| 3491 | setTranscriptBindingIdentity((tabId) => (statesRef.current.get(tabId)?.meta?.remote ? "remote" : "local")); |
| 3492 | return () => setTranscriptBindingIdentity(() => "local"); |
| 3493 | }, []); |
| 3494 | |
| 3495 | // Keep shared all-source telemetry live between turn boundaries. Delivery |
| 3496 | // mode can complete dozens of provider requests inside one UI turn, while |
| 3497 | // the status bar reads state.context and would otherwise stay pinned to the |
| 3498 | // previous turn_done snapshot. A usage event is emitted after the backend |
| 3499 | // has recorded that request, so refresh the authoritative tab aggregate here. |
| 3500 | // The usage sequence and active-tab checks make this latest-request-wins: |
| 3501 | // slower snapshots cannot overwrite a newer usage event or a tab switch. |
| 3502 | useEffect(() => { |
| 3503 | const tabId = activeTabId; |
| 3504 | const usageSeq = activeState.usageSeq; |
| 3505 | if (!tabId || usageSeq <= 0 || !activeState.turnActive) return; |
| 3506 | |
| 3507 | let cancelled = false; |
| 3508 | void app.ContextUsageForTab(tabId).then((context) => { |
| 3509 | if (cancelled || activeTabIdRef.current !== tabId) return; |
| 3510 | if (statesRef.current.get(tabId)?.usageSeq !== usageSeq) return; |
| 3511 | dispatchTo(tabId, { type: "context", context }); |
| 3512 | }).catch(() => {}); |
| 3513 | |
| 3514 | return () => { |
| 3515 | cancelled = true; |
| 3516 | }; |
| 3517 | }, [activeTabId, activeState.turnActive, activeState.usageSeq, dispatchTo]); |
| 3518 | |
| 3519 | // If the startup ready event is missed, keep the composer lock in sync with |
| 3520 | // the active tab's backend metadata without kicking off tab activation work. |
| 3521 | // Remote tabs are exempt: their readiness flows through remote-tab state |
| 3522 | // events, and MetaForTab reports ready:false for them forever — reconciling |
| 3523 | // would just burn every attempt on a surface that never uses it. |
| 3524 | useEffect(() => { |
| 3525 | const tabId = activeTabId; |
| 3526 | const meta = activeState.meta; |
| 3527 | if (!tabId || !meta || meta.remote || meta.ready || meta.startupErr || activeState.backendActivationPending) { |
| 3528 | readyMetaReconcileSeq.current += 1; |
| 3529 | readyMetaReconcileActive.current = undefined; |
| 3530 | return; |
| 3531 | } |
| 3532 | |
| 3533 | let cancelled = false; |
| 3534 | let timer: number | undefined; |
| 3535 | const seq = readyMetaReconcileSeq.current + 1; |
| 3536 | readyMetaReconcileSeq.current = seq; |
| 3537 | readyMetaReconcileActive.current = { tabId, seq }; |
| 3538 | |
| 3539 | const stillCurrent = () => { |
| 3540 | const active = readyMetaReconcileActive.current; |
| 3541 | return !cancelled && active?.tabId === tabId && active.seq === seq && activeTabIdRef.current === tabId; |
| 3542 | }; |
| 3543 | |
| 3544 | const schedule = (attempt: number) => { |
| 3545 | timer = window.setTimeout(() => { |
| 3546 | void tick(attempt); |
| 3547 | }, STARTUP_READY_META_RECONCILE_MS); |
| 3548 | }; |
| 3549 | |
| 3550 | const tick = async (attempt: number) => { |
| 3551 | if (!stillCurrent()) return; |
| 3552 | const current = statesRef.current.get(tabId); |
| 3553 | if (!current?.meta || current.meta.ready || current.meta.startupErr || current.backendActivationPending) return; |
| 3554 | const nextMeta = await refreshMetaOnlyForTab(tabId); |
| 3555 | if (!stillCurrent()) return; |
| 3556 | if (nextMeta?.ready || nextMeta?.startupErr || attempt + 1 >= STARTUP_READY_META_RECONCILE_ATTEMPTS) return; |
| 3557 | schedule(attempt + 1); |
| 3558 | }; |
| 3559 | |
| 3560 | schedule(0); |
| 3561 | return () => { |
| 3562 | cancelled = true; |
| 3563 | if (timer !== undefined) window.clearTimeout(timer); |
| 3564 | }; |
| 3565 | }, [activeTabId, activeState.meta?.ready, activeState.meta?.startupErr, activeState.backendActivationPending, refreshMetaOnlyForTab]); |
| 3566 | |
| 3567 | |
| 3568 | const rejectTurnSubmission = useCallback((tabId: string, submissionId: string, error: unknown) => { |
| 3569 | if (!statesRef.current.get(tabId)?.localSubmissions[submissionId]) return; |
| 3570 | if (isUnknownSubmissionError(error)) { |
| 3571 | dispatchTo(tabId, { type: "turn_submit_unknown", submissionId, error: `${t("chat.submissionUnknown")}: ${errorMessage(error)}` }); |
| 3572 | void reconcileRuntimeAfterRejectedMutation(tabId); |
| 3573 | return; |
| 3574 | } |
| 3575 | dispatchTo(tabId, { type: "turn_submit_rejected", submissionId, error: `${t("error.send")}\n${errorMessage(error)}` }); |
| 3576 | void reconcileRuntimeAfterRejectedMutation(tabId); |
| 3577 | }, [dispatchTo, reconcileRuntimeAfterRejectedMutation]); |
| 3578 | |
| 3579 | // Replay any pending approval/ask prompts when switching tabs, so a |
| 3580 | // plan-mode session left awaiting confirmation rebuilds its modal (#4275). |
| 3581 | useEffect(() => { |
| 3582 | replayPendingPromptsForActiveTab(activeTabId); |
| 3583 | }, [activeTabId]); |
| 3584 | |
| 3585 | const sendToTab = useCallback(async ( |
| 3586 | tabId: string, |
| 3587 | displayText: string, |
| 3588 | submitText = displayText, |
| 3589 | originalText?: string, |
| 3590 | structured?: import("./invocationDisplay").StructuredInvocationSubmit, |
| 3591 | initialGoal?: { |
| 3592 | goal: string; |
| 3593 | collaborationMode: CollaborationMode; |
| 3594 | toolApprovalMode: ToolApprovalMode; |
| 3595 | }, |
| 3596 | composerSubmissionId?: string, |
| 3597 | ) => { |
| 3598 | if (!tabId) throw new Error("reasonix_error:workspace_starting"); |
| 3599 | let currentState = getOrCreateState(statesRef.current, tabId); |
| 3600 | if (currentState.transcriptProtocol !== 2 && !followers.current.has(tabId)) { |
| 3601 | await startTranscriptFollow(tabId, currentState.meta?.sessionPath ?? ""); |
| 3602 | currentState = getOrCreateState(statesRef.current, tabId); |
| 3603 | } |
| 3604 | if (currentState.transcriptProtocol !== 2 || currentState.transcriptConnection !== "connected") { |
| 3605 | throw new Error("reasonix_error:inbox_not_submitted"); |
| 3606 | } |
| 3607 | const runtime = currentState.meta?.runtime; |
| 3608 | if (currentState.meta && !runtimeReadyForSubmit(currentState.meta)) { |
| 3609 | throw new Error("reasonix_error:inbox_not_submitted"); |
| 3610 | } |
| 3611 | const seq = currentState.seq; |
| 3612 | const submissionId = structured?.attachmentSubmissionId ?? composerSubmissionId ?? createTurnSubmissionId(tabId, currentState.sessionGen, seq, runtimeEpochByTabRef.current.get(tabId) ?? runtime?.epoch); |
| 3613 | const submissionCurrent = () => submissionBindingCurrent(statesRef.current.get(tabId), currentState); |
| 3614 | const promptEpoch = currentState.promptEpoch; |
| 3615 | const { display, submit } = normalizeTurnSubmit(displayText, submitText); |
| 3616 | bumpCancelHydrateSeq(tabId); |
| 3617 | if (currentState.hydrateReason === "rewind") dispatchTo(tabId, { type: "hydrate_done" }); |
| 3618 | // A compact request never starts a conversational turn. Runtime snapshots |
| 3619 | // own its busy/Stop state; a late receipt must not mutate chat lifecycle. |
| 3620 | if (isCompactSubmission(submit, structured, initialGoal)) { |
| 3621 | dispatchTo(tabId, { type: "management_requested" }); |
| 3622 | } else { |
| 3623 | dispatchTo(tabId, { type: "user", text: displayText, submitText: display !== submit ? submit : undefined, seq, submissionId }); |
| 3624 | } |
| 3625 | invalidateCache(); |
| 3626 | try { |
| 3627 | const [outcome, detail] = await import("./turnSubmit").then(module => module.submitTurn(app, tabId, submissionId, display, submit, originalText?.trim() ?? "", structured, initialGoal)); |
| 3628 | if (!submissionCurrent()) return; |
| 3629 | if (outcome === 1) { |
| 3630 | dispatchTo(tabId, { type: "send_confirmed", submissionId }); |
| 3631 | const ids = detail as string[]; |
| 3632 | if (ids.length) dispatchTo(tabId, { type: "approval_drained", ids, epoch: promptEpoch }); |
| 3633 | return; |
| 3634 | } |
| 3635 | if (outcome === 2) { |
| 3636 | dispatchTo(tabId, { type: "management_confirmed", submissionId, receipt: detail }); |
| 3637 | return; |
| 3638 | } |
| 3639 | if (outcome === 3) dispatchTo(tabId, { type: "turn_admitted", turnId: detail as string, submissionId }); |
| 3640 | dispatchTo(tabId, { type: "send_confirmed", submissionId }); |
| 3641 | } catch (error) { |
| 3642 | if (submissionCurrent()) rejectTurnSubmission(tabId, submissionId, error); |
| 3643 | throw error; |
| 3644 | } |
| 3645 | }, [bumpCancelHydrateSeq, dispatchTo, rejectTurnSubmission, startTranscriptFollow]); |
| 3646 | |
| 3647 | const recoverDeliveryToTab = useCallback(async (tabId: string, displayText: string, submitText = displayText) => { |
| 3648 | if (!tabId) throw new Error(t("composer.workspaceStarting")); |
| 3649 | const currentState = getOrCreateState(statesRef.current, tabId); |
| 3650 | const runtime = currentState.meta?.runtime; |
| 3651 | if (currentState.meta && !runtimeReadyForSubmit(currentState.meta)) { |
| 3652 | throw new Error(runtime?.issue?.message || currentState.meta.startupErr || t("composer.workspaceStarting")); |
| 3653 | } |
| 3654 | const seq = currentState.seq; |
| 3655 | const submissionId = createTurnSubmissionId(tabId, currentState.sessionGen, seq, runtimeEpochByTabRef.current.get(tabId) ?? runtime?.epoch); |
| 3656 | const current = () => submissionBindingCurrent(statesRef.current.get(tabId), currentState); |
| 3657 | const display = displayText.trim(); |
| 3658 | const submit = submitText.trim(); |
| 3659 | dispatchTo(tabId, { type: "user", text: displayText, submitText: display !== submit ? submit : undefined, seq, submissionId, deliveryRecovery: true }); |
| 3660 | invalidateCache(); |
| 3661 | try { |
| 3662 | void app.SubmitDeliveryRecoveryToTabWithID(tabId, display, submit, submissionId).then( |
| 3663 | () => { if (current()) dispatchTo(tabId, { type: "send_confirmed", submissionId }); }, |
| 3664 | (error) => { if (current()) rejectTurnSubmission(tabId, submissionId, error); }, |
| 3665 | ); |
| 3666 | } catch (error) { |
| 3667 | if (current()) rejectTurnSubmission(tabId, submissionId, error); |
| 3668 | throw error; |
| 3669 | } |
| 3670 | }, [dispatchTo, rejectTurnSubmission]); |
| 3671 | |
| 3672 | const send = useCallback((displayText: string, submitText = displayText) => { |
| 3673 | const tabId = activeTabIdRef.current ?? activeTabId; |
| 3674 | if (tabId) { |
| 3675 | return sendToTab(tabId, displayText, submitText); |
| 3676 | } |
| 3677 | const snapshotAt = promptEventClock(); |
| 3678 | return activeTabFromBackend().then(async (active) => { |
| 3679 | if (!active?.id) throw new Error(t("composer.workspaceStarting")); |
| 3680 | setActiveTabId(active.id); |
| 3681 | activeTabIdRef.current = active.id; |
| 3682 | confirmBackendActiveTab(active.id); |
| 3683 | dispatchRuntimeStatusForTab(active.id, active, snapshotAt); |
| 3684 | await startTranscriptFollow(active.id, ""); |
| 3685 | return sendToTab(active.id, displayText, submitText); |
| 3686 | }); |
| 3687 | }, [activeTabFromBackend, activeTabId, confirmBackendActiveTab, dispatchRuntimeStatusForTab, sendToTab, startTranscriptFollow]); |
| 3688 | |
| 3689 | const runShellForTab = useCallback(async (tabId: string, command: string) => { |
| 3690 | if (!tabId) throw new Error(t("composer.workspaceStarting")); |
| 3691 | const currentState = getOrCreateState(statesRef.current, tabId); |
| 3692 | const current = () => submissionBindingCurrent(statesRef.current.get(tabId), currentState); |
| 3693 | const submissionId = createTurnSubmissionId(tabId, currentState.sessionGen, currentState.seq, runtimeEpochByTabRef.current.get(tabId) ?? currentState.meta?.runtime?.epoch); |
| 3694 | dispatchTo(tabId, { type: "user", text: `!${command}`, seq: currentState.seq, submissionId }); |
| 3695 | try { |
| 3696 | await app.RunShellForTab(tabId, command); |
| 3697 | if (current()) dispatchTo(tabId, { type: "send_confirmed", submissionId }); |
| 3698 | } catch (error) { |
| 3699 | if (current()) dispatchTo(tabId, { type: isUnknownSubmissionError(error) ? "turn_submit_unknown" : "send_failed", submissionId, error: `Command failed: ${error instanceof Error ? error.message : String(error)}` }); |
| 3700 | throw error; |
| 3701 | } |
| 3702 | }, [dispatchTo]); |
| 3703 | |
| 3704 | const runShell = useCallback(async (command: string) => { |
| 3705 | if (!activeTabId) throw new Error(t("composer.workspaceStarting")); |
| 3706 | await runShellForTab(activeTabId, command); |
| 3707 | }, [activeTabId, runShellForTab]); |
| 3708 | |
| 3709 | const steerForTab = useCallback(async (tabId: string, text: string) => { |
| 3710 | if (!tabId) throw new Error(t("composer.workspaceStarting")); |
| 3711 | const state = statesRef.current.get(tabId); |
| 3712 | const target = await app.CaptureInboxTarget?.(tabId, sessionIdentityRoute(state?.meta) ?? ""); |
| 3713 | const { enqueueGuidanceForTarget } = await import("./inboxGuidanceSubmit"); |
| 3714 | await enqueueGuidanceForTarget(app, target, tabId, text, state?.activeTurnId); |
| 3715 | // queued_followup is success: the instruction is durable and will run at |
| 3716 | // the next idle/tool-boundary kick. Do not surface it as a send failure. |
| 3717 | }, []); |
| 3718 | |
| 3719 | const steer = useCallback(async (text: string) => { |
| 3720 | if (!activeTabId) throw new Error(t("composer.workspaceStarting")); |
| 3721 | await steerForTab(activeTabId, text); |
| 3722 | }, [activeTabId, steerForTab]); |
| 3723 | |
| 3724 | const notice = useCallback((text: string, level: "info" | "warn" = "info") => { |
| 3725 | if (!activeTabId) return; |
| 3726 | dispatchTo(activeTabId, { type: "local_notice", level, text }); |
| 3727 | }, [activeTabId, dispatchTo]); |
| 3728 | |
| 3729 | // Extension form dismissed/submitted locally: hide the surface. The backend |
| 3730 | // round-trip (SubmitExtensionForm) lives in App.tsx, which owns the toast |
| 3731 | // context used for error reporting. |
| 3732 | const dismissExtensionForm = useCallback((tabId = activeTabId, identity?: Pick<ExtensionFormState, "pluginId" | "surfaceId" | "formInstanceId">) => { |
| 3733 | if (!tabId) return; |
| 3734 | dispatchTo(tabId, { type: "clearExtensionForm", identity }); |
| 3735 | }, [activeTabId, dispatchTo]); |
| 3736 | |
| 3737 | // The App drained the queued extension notifications into the toast system. |
| 3738 | const drainExtensionNotifications = useCallback(() => { |
| 3739 | if (!activeTabId) return; |
| 3740 | dispatchTo(activeTabId, { type: "extension_notifications_drained" }); |
| 3741 | }, [activeTabId, dispatchTo]); |
| 3742 | |
| 3743 | const cancelTab = useCallback(async (tabId: string, inboxItemIDs: string[] = []): Promise<Omit<CancelOutcome, "restoredText">> => { |
| 3744 | bumpCancelHydrateSeq(tabId); |
| 3745 | try { |
| 3746 | let turnId = statesRef.current.get(tabId)?.activeTurnId; |
| 3747 | const exactAPIAvailable = inboxItemIDs.length > 0 |
| 3748 | ? typeof app.InterruptTurnWithInboxItemsForTab === "function" |
| 3749 | : typeof app.InterruptTurnForTab === "function"; |
| 3750 | if (!turnId && exactAPIAvailable) { |
| 3751 | turnId = await resolveActiveTurnId(app, tabId); |
| 3752 | } |
| 3753 | const result = await requestSessionCancel(app, tabId, inboxItemIDs, turnId); |
| 3754 | if (result.warning) dispatchTo(tabId, { type: "local_notice", level: "warn", text: result.warning }); |
| 3755 | return result; |
| 3756 | } catch (error) { |
| 3757 | const message = formatInboxCancelError(error, getLocale()); |
| 3758 | dispatchTo(tabId, { type: "local_notice", level: "warn", text: message }); |
| 3759 | return { discardedItemIds: [], error: message }; |
| 3760 | } finally { |
| 3761 | scheduleCancelReconcile(tabId, 0); |
| 3762 | } |
| 3763 | }, [bumpCancelHydrateSeq, dispatchTo, scheduleCancelReconcile]); |
| 3764 | |
| 3765 | const cancelForTab = useCallback(async (tabId: string, inboxItemIDs: string[] = []): Promise<CancelOutcome> => { |
| 3766 | const cur = statesRef.current.get(tabId); |
| 3767 | let restoredText: string | undefined; |
| 3768 | if (cur?.running && cur.pendingUser !== undefined) { |
| 3769 | restoredText = cur.pendingUser; |
| 3770 | dispatchTo(tabId, { type: "unsend" }); |
| 3771 | } else { |
| 3772 | dispatchTo(tabId, { type: "cancel_requested" }); |
| 3773 | } |
| 3774 | const result = await cancelTab(tabId, inboxItemIDs); |
| 3775 | return { restoredText, ...result }; |
| 3776 | }, [cancelTab, dispatchTo]); |
| 3777 | |
| 3778 | const cancel = useCallback(async (inboxItemIDs: string[] = []): Promise<CancelOutcome> => { |
| 3779 | const tabId = activeTabId; |
| 3780 | if (!tabId) return { discardedItemIds: [] }; |
| 3781 | return cancelForTab(tabId, inboxItemIDs); |
| 3782 | }, [activeTabId, cancelForTab]); |
| 3783 | |
| 3784 | const isPromptCurrentForTab = useCallback((target: InteractionTarget) => { |
| 3785 | const state = statesRef.current.get(target.tabId); |
| 3786 | return Boolean(state && stateOwnsInteraction(state, target)); |
| 3787 | }, []); |
| 3788 | const approveForTab = useCallback((target: InteractionTarget, allow: boolean, session: boolean, persist: boolean) => { |
| 3789 | if (!target.tabId) return; |
| 3790 | const promptState = statesRef.current.get(target.tabId); |
| 3791 | const epoch = promptState?.promptEpoch ?? 0; |
| 3792 | dispatchTo(target.tabId, { type: "clearApproval", target }); |
| 3793 | return resolvePromptForSession(target, { |
| 3794 | allow, |
| 3795 | session, |
| 3796 | persist, |
| 3797 | generation: target.requestGeneration, |
| 3798 | permissionRevision: target.permissionRevision, |
| 3799 | }).catch((error) => { |
| 3800 | handlePromptFailure(dispatchTo, target, epoch, error); |
| 3801 | throw error; |
| 3802 | }); |
| 3803 | }, [dispatchTo]); |
| 3804 | |
| 3805 | const approve = useCallback((id: string, allow: boolean, session: boolean, persist: boolean) => { |
| 3806 | if (activeTabId) return approveForTab(interactionTargetFromState(activeTabId, statesRef.current.get(activeTabId), "approval", id), allow, session, persist); |
| 3807 | }, [activeTabId, approveForTab]); |
| 3808 | |
| 3809 | const resolvePlanDecisionForTab = useCallback((target: InteractionTarget, action: "start_execution" | "revise_plan" | "exit_plan") => { |
| 3810 | if (!target.tabId) return; |
| 3811 | const epoch = statesRef.current.get(target.tabId)?.promptEpoch ?? 0; |
| 3812 | dispatchTo(target.tabId, { type: "clearApproval", target }); |
| 3813 | return resolvePromptForSession(target, { action }).catch((error) => { |
| 3814 | handlePromptFailure(dispatchTo, target, epoch, error); |
| 3815 | throw error; |
| 3816 | }); |
| 3817 | }, [dispatchTo]); |
| 3818 | |
| 3819 | const resolvePlanDecision = useCallback((id: string, action: "start_execution" | "revise_plan" | "exit_plan") => { |
| 3820 | if (activeTabId) return resolvePlanDecisionForTab(interactionTargetFromState(activeTabId, statesRef.current.get(activeTabId), "plan", id), action); |
| 3821 | }, [activeTabId, resolvePlanDecisionForTab]); |
| 3822 | |
| 3823 | const resolveRecoveryForTab = useCallback((target: InteractionTarget, action: "continue" | "continue_task" | "revise" | "stop", feedback = "") => { |
| 3824 | if (!target.tabId) return; |
| 3825 | const epoch = statesRef.current.get(target.tabId)?.promptEpoch ?? 0; |
| 3826 | dispatchTo(target.tabId, { type: "clearApproval", target }); |
| 3827 | return resolvePromptForSession(target, { action, feedback }).catch((error) => { |
| 3828 | handlePromptFailure(dispatchTo, target, epoch, error); |
| 3829 | throw error; |
| 3830 | }); |
| 3831 | }, [dispatchTo]); |
| 3832 | |
| 3833 | const resolveRecovery = useCallback((id: string, action: "continue" | "continue_task" | "revise" | "stop", feedback = "") => { |
| 3834 | if (activeTabId) return resolveRecoveryForTab(interactionTargetFromState(activeTabId, statesRef.current.get(activeTabId), "recovery", id), action, feedback); |
| 3835 | }, [activeTabId, resolveRecoveryForTab]); |
| 3836 | |
| 3837 | const answerQuestionForTab = useCallback((target: InteractionTarget, answers: QuestionAnswer[]): Promise<void> => { |
| 3838 | if (!target.tabId) return Promise.reject(new Error("source tab is unavailable")); |
| 3839 | const state = statesRef.current.get(target.tabId); |
| 3840 | const epoch = state?.promptEpoch ?? 0; |
| 3841 | return resolvePromptForSession(target, { questions: answers }).then( |
| 3842 | () => dispatchTo(target.tabId, { type: "ask_submit_succeeded", target, epoch }), |
| 3843 | (error) => { |
| 3844 | if (isStalePromptError(error)) dispatchTo(target.tabId, { type: "expire_prompt", target, epoch }); |
| 3845 | else dispatchTo(target.tabId, { type: "local_notice", level: "warn", text: t("notice.askSubmitFailed", { error: errorMessage(error) }), preserveRuntime: true }); |
| 3846 | void reconcileRuntimeAfterRejectedMutation(target.tabId); |
| 3847 | throw error; |
| 3848 | }, |
| 3849 | ); |
| 3850 | }, [dispatchTo, reconcileRuntimeAfterRejectedMutation]); |
| 3851 | |
| 3852 | const answerQuestion = useCallback((id: string, answers: QuestionAnswer[]): Promise<void> => { |
| 3853 | if (!activeTabId) return Promise.reject(new Error("active tab is unavailable")); |
| 3854 | return answerQuestionForTab(interactionTargetFromState(activeTabId, statesRef.current.get(activeTabId), "ask", id), answers); |
| 3855 | }, [activeTabId, answerQuestionForTab]); |
| 3856 | |
| 3857 | const answerMCPInteractionForTab = useCallback( |
| 3858 | (target: InteractionTarget, action: "accept" | "decline" | "cancel", content?: Record<string, unknown>) => { |
| 3859 | if (!target.tabId) return; |
| 3860 | const promptState = statesRef.current.get(target.tabId); |
| 3861 | const epoch = promptState?.promptEpoch ?? 0; |
| 3862 | dispatchTo(target.tabId, { type: "expire_prompt", target, epoch }); |
| 3863 | resolvePromptForSession(target, { action, content: content ?? null }).catch((error) => handlePromptFailure(dispatchTo, target, epoch, error)); |
| 3864 | }, |
| 3865 | [dispatchTo], |
| 3866 | ); |
| 3867 | |
| 3868 | const answerMCPInteraction = useCallback( |
| 3869 | (id: string, action: "accept" | "decline" | "cancel", content?: Record<string, unknown>) => { |
| 3870 | if (activeTabId) answerMCPInteractionForTab(interactionTargetFromState(activeTabId, statesRef.current.get(activeTabId), "mcp", id), action, content); |
| 3871 | }, |
| 3872 | [activeTabId, answerMCPInteractionForTab], |
| 3873 | ); |
| 3874 | |
| 3875 | const setControllerModeForTab = useCallback((tabId: string, mode: Mode): Promise<void> => { |
| 3876 | if (!tabId) return Promise.resolve(); |
| 3877 | const epoch = statesRef.current.get(tabId)?.promptEpoch ?? 0; |
| 3878 | return app.SetModeForTab(tabId, mode).then((drained) => { |
| 3879 | // Only dismiss the approvals the backend reports it actually |
| 3880 | // auto-allowed. Fresh prompts (plan/memory/sandbox escape) survive a |
| 3881 | // yolo switch backend-side and must stay visible (#6432 round 4). |
| 3882 | const ids = Array.isArray(drained) ? drained : []; |
| 3883 | if (ids.length) dispatchTo(tabId, { type: "approval_drained", ids, epoch }); |
| 3884 | }).catch(() => {}); |
| 3885 | }, [dispatchTo]); |
| 3886 | |
| 3887 | const setControllerMode = useCallback((mode: Mode): Promise<void> => { |
| 3888 | if (!activeTabId) return Promise.resolve(); |
| 3889 | return setControllerModeForTab(activeTabId, mode); |
| 3890 | }, [activeTabId, setControllerModeForTab]); |
| 3891 | |
| 3892 | const setCollaborationModeForTab = useCallback(async (tabId: string, mode: CollaborationMode): Promise<void> => { |
| 3893 | if (!tabId) return; |
| 3894 | await app.SetCollaborationModeForTab(tabId, mode).catch(() => {}); |
| 3895 | await refreshMetaForTab(tabId); |
| 3896 | }, [refreshMetaForTab]); |
| 3897 | |
| 3898 | const setCollaborationMode = useCallback(async (mode: CollaborationMode): Promise<void> => { |
| 3899 | if (!activeTabId) return; |
| 3900 | await setCollaborationModeForTab(activeTabId, mode); |
| 3901 | }, [activeTabId, setCollaborationModeForTab]); |
| 3902 | |
| 3903 | const setToolApprovalModeForTab = useCallback(async (tabId: string, mode: ToolApprovalMode): Promise<void> => { |
| 3904 | if (!tabId) return; |
| 3905 | const current = await app.PermissionSnapshotForTab(tabId); |
| 3906 | try { |
| 3907 | await app.SetPermissionPresetForTab(tabId, current.sessionId, normalizeToolApprovalMode(mode), current.revision); |
| 3908 | } catch (error) { |
| 3909 | if (!isPermissionSessionChanged(error)) throw error; |
| 3910 | } |
| 3911 | await refreshMetaForTab(tabId); |
| 3912 | }, [refreshMetaForTab]); |
| 3913 | |
| 3914 | const setToolApprovalMode = useCallback(async (mode: ToolApprovalMode): Promise<void> => { |
| 3915 | if (!activeTabId) return; |
| 3916 | await setToolApprovalModeForTab(activeTabId, mode); |
| 3917 | }, [activeTabId, setToolApprovalModeForTab]); |
| 3918 | |
| 3919 | const setQualityFloor = useCallback(async (floor: QualityFloor): Promise<void> => { |
| 3920 | if (!activeTabId) return; |
| 3921 | await app.SetQualityFloorForTab(activeTabId, floor).catch(() => undefined); |
| 3922 | await refreshMetaForTab(activeTabId); |
| 3923 | }, [activeTabId, refreshMetaForTab]); |
| 3924 | |
| 3925 | const setComposerProfileForTab = useCallback(async ( |
| 3926 | tabId: string, |
| 3927 | collaborationMode: CollaborationMode, |
| 3928 | toolApprovalMode: ToolApprovalMode, |
| 3929 | goal: string, |
| 3930 | options?: { propagateError?: boolean }, |
| 3931 | ): Promise<boolean> => { |
| 3932 | if (!tabId) return false; |
| 3933 | const state = statesRef.current.get(tabId); |
| 3934 | const promptEpoch = state?.promptEpoch ?? 0; |
| 3935 | const key = composerProfileApplicationKey( |
| 3936 | runtimeEpochByTabRef.current.get(tabId) ?? state?.meta?.runtime?.epoch, |
| 3937 | collaborationMode, |
| 3938 | toolApprovalMode, |
| 3939 | goal, |
| 3940 | ); |
| 3941 | if (appliedComposerProfileByTabRef.current.get(tabId) === key) return true; |
| 3942 | const existing = composerProfileInFlightByTabRef.current.get(tabId); |
| 3943 | if (existing?.key === key) return existing.promise; |
| 3944 | |
| 3945 | const lifecycle = composerProfileLifecycleByTabRef.current.get(tabId) ?? 0; |
| 3946 | const previous = composerProfileQueueByTabRef.current.get(tabId) ?? Promise.resolve(); |
| 3947 | const promise = previous.then(async () => { |
| 3948 | if ((composerProfileLifecycleByTabRef.current.get(tabId) ?? 0) !== lifecycle) return false; |
| 3949 | if (appliedComposerProfileByTabRef.current.get(tabId) === key) return true; |
| 3950 | let drained: string[] | void; |
| 3951 | try { |
| 3952 | drained = await app.SetComposerProfileForTab( |
| 3953 | tabId, |
| 3954 | collaborationMode, |
| 3955 | toolApprovalMode, |
| 3956 | goal, |
| 3957 | ); |
| 3958 | } catch (error) { |
| 3959 | if ((composerProfileLifecycleByTabRef.current.get(tabId) ?? 0) === lifecycle) { |
| 3960 | await refreshMetaForTab(tabId); |
| 3961 | } |
| 3962 | if (options?.propagateError) throw error; |
| 3963 | return false; |
| 3964 | } |
| 3965 | if ((composerProfileLifecycleByTabRef.current.get(tabId) ?? 0) !== lifecycle) return false; |
| 3966 | appliedComposerProfileByTabRef.current.set(tabId, key); |
| 3967 | const ids = Array.isArray(drained) ? drained : []; |
| 3968 | if (ids.length) dispatchTo(tabId, { type: "approval_drained", ids, epoch: promptEpoch }); |
| 3969 | await refreshMetaForTab(tabId); |
| 3970 | return true; |
| 3971 | }); |
| 3972 | const tail = promise.then(() => {}, () => {}); |
| 3973 | composerProfileQueueByTabRef.current.set(tabId, tail); |
| 3974 | composerProfileInFlightByTabRef.current.set(tabId, { key, promise }); |
| 3975 | try { |
| 3976 | return await promise; |
| 3977 | } finally { |
| 3978 | const current = composerProfileInFlightByTabRef.current.get(tabId); |
| 3979 | if (current?.promise === promise) composerProfileInFlightByTabRef.current.delete(tabId); |
| 3980 | if (composerProfileQueueByTabRef.current.get(tabId) === tail) { |
| 3981 | composerProfileQueueByTabRef.current.delete(tabId); |
| 3982 | } |
| 3983 | } |
| 3984 | }, [dispatchTo, refreshMetaForTab]); |
| 3985 | |
| 3986 | const { |
| 3987 | setGoalForTab, setGoal, editGoalForTab, clearGoalForTab, clearGoal, |
| 3988 | resumeGoalForTab, resumeGoal, pauseGoalForTab, pauseGoal, |
| 3989 | } = useGoalControllerActions(activeTabId, refreshMetaForTab); |
| 3990 | |
| 3991 | const newSession = useCallback(async () => { |
| 3992 | const tabId = activeTabId; |
| 3993 | if (tabId) await waitForTabReady(tabId); |
| 3994 | if (tabId) { |
| 3995 | addBreadcrumb("session.new", `click ${tabId}`); |
| 3996 | invalidateCheckpoints(tabId); |
| 3997 | bumpSessionLoadSeq(tabId); |
| 3998 | dispatchTo(tabId, { type: "reset" }); |
| 3999 | dispatchTo(tabId, { type: "hydrate_start", reason: "new-session" }); |
| 4000 | addBreadcrumb("session.new", `visible-reset ${tabId}`); |
| 4001 | } |
| 4002 | try { |
| 4003 | if (tabId) await app.NewSessionForTab(tabId); |
| 4004 | else await app.NewSession(); |
| 4005 | addBreadcrumb("session.new", `backend-done ${tabId ?? ""}`); |
| 4006 | } catch (err) { |
| 4007 | if (tabId) { |
| 4008 | dispatchTo(tabId, { type: "hydrate_error", reason: "new-session", error: errorMessage(err) }); |
| 4009 | void loadSessionDataForTab(tabId, true, "new-session").then(() => { |
| 4010 | dispatchTo(tabId, { type: "local_notice", level: "warn", text: `${t("error.newSession")}\n${errorMessage(err)}` }); |
| 4011 | }); |
| 4012 | } |
| 4013 | return; // backend refused (workspace starting / failed) — keep the transcript |
| 4014 | } |
| 4015 | invalidateCache(); |
| 4016 | if (tabId) { |
| 4017 | await startTranscriptFollow(tabId, (await app.MetaForTab(tabId)).sessionPath ?? ""); |
| 4018 | dispatchTo(tabId, { type: "hydrate_done" }); |
| 4019 | void refreshMetaForTab(tabId); |
| 4020 | app.ContextUsageForTab(tabId).then((context) => dispatchTo(tabId, { type: "context", context })).catch(() => {}); |
| 4021 | void refreshTurnBoundaries(tabId); |
| 4022 | } |
| 4023 | }, [activeTabId, invalidateCheckpoints, bumpSessionLoadSeq, dispatchTo, ensureTranscriptSubscription, loadSessionDataForTab, refreshTurnBoundaries, refreshMetaForTab, startTranscriptFollow, waitForTabReady]); |
| 4024 | |
| 4025 | const clearSession = useCallback(async () => { |
| 4026 | const tabId = activeTabId; |
| 4027 | if (tabId) await waitForTabReady(tabId); |
| 4028 | if (tabId) { |
| 4029 | invalidateCheckpoints(tabId); |
| 4030 | bumpSessionLoadSeq(tabId); |
| 4031 | sessionLoadInFlight.current.delete(tabId); |
| 4032 | dispatchTo(tabId, { type: "hydrate_start", reason: "new-session" }); |
| 4033 | } |
| 4034 | let cleared: SessionClearResult; |
| 4035 | try { |
| 4036 | cleared = tabId ? await app.ClearSessionForTab(tabId) : await app.ClearSession(); |
| 4037 | } catch { |
| 4038 | if (tabId) void loadSessionDataForTab(tabId, false, "startup", { preserveCachedHistory: true }); |
| 4039 | return; |
| 4040 | } |
| 4041 | if (tabId) bumpSessionLoadSeq(tabId); |
| 4042 | invalidateCache(); |
| 4043 | if (tabId) { |
| 4044 | // Retire every resident projection for this tab so a mode switch cannot |
| 4045 | // preferResident-serve the destroyed transcript. |
| 4046 | getTranscriptStore().evictTab(tabId); |
| 4047 | const existing = statesRef.current.get(tabId)?.meta; |
| 4048 | const nextMeta = { |
| 4049 | ...(existing ?? { label: "", ready: true, eventChannel: "agent:event", cwd: "" }), |
| 4050 | sessionPath: cleared.sessionPath || "", |
| 4051 | session: cleared.session ?? null, |
| 4052 | sessionRevision: cleared.sessionRevision, |
| 4053 | sessionDigest: cleared.sessionDigest, |
| 4054 | sessionGeneration: cleared.sessionGeneration, |
| 4055 | }; |
| 4056 | // Meta first so reset preserves the replacement identity. |
| 4057 | dispatchTo(tabId, { type: "optimistic_meta", meta: nextMeta }); |
| 4058 | dispatchTo(tabId, { type: "reset" }); |
| 4059 | await startTranscriptFollow(tabId, (await app.MetaForTab(tabId)).sessionPath ?? ""); |
| 4060 | dispatchTo(tabId, { type: "hydrate_done" }); |
| 4061 | } |
| 4062 | }, [activeTabId, invalidateCheckpoints, bumpSessionLoadSeq, dispatchTo, ensureTranscriptSubscription, loadSessionDataForTab, startTranscriptFollow, waitForTabReady]); |
| 4063 | |
| 4064 | const listSessions = useCallback(async (): Promise<SessionMeta[]> => { |
| 4065 | const page = await app.ListHistorySessions({ scope: "all", workspaceRoot: "", status: "all", timeFilter: "all", query: "", cursor: "", limit: 200 }); |
| 4066 | if (!page) throw new Error(t("history.failedLoadHistory")); |
| 4067 | return asArray<SessionMeta>(page.items); |
| 4068 | }, []); |
| 4069 | const listTrashedSessions = useCallback(async (): Promise<SessionMeta[]> => asArray<SessionMeta>(await app.ListTrashedSessions()), []); |
| 4070 | const retrySessionHistory = useCallback(async (tabId?: string) => { |
| 4071 | const id = tabId || activeTabIdRef.current; if (!id) return; |
| 4072 | const m = statesRef.current.get(id)?.meta; |
| 4073 | await loadSessionDataForTab(id, false, "startup", { |
| 4074 | ...sessionIdentityFields(m), |
| 4075 | freshSnapshot: true, |
| 4076 | sessionRevision: m?.sessionRevision, sessionDigest: m?.sessionDigest, preserveCachedHistory: false, |
| 4077 | }); |
| 4078 | }, [loadSessionDataForTab]); |
| 4079 | const reconcileSessionNavigationForTab = useCallback(async ( |
| 4080 | tabId: string, |
| 4081 | navigationSeq: number, |
| 4082 | sessionSeq: number, |
| 4083 | ): Promise<boolean> => { |
| 4084 | // Resample and replay prompts cleared by post-Resume/Open hydration. |
| 4085 | await refreshMetaOnlyForTab(tabId); |
| 4086 | if (!isNavigationIntentCurrent(navigationSeq) || !sessionLoadCurrent(tabId, sessionSeq)) return false; |
| 4087 | await reconcileTabRuntime(tabId, { hydrateSessionData: false, refreshAncillary: false }); |
| 4088 | if (!isNavigationIntentCurrent(navigationSeq) || !sessionLoadCurrent(tabId, sessionSeq)) return false; |
| 4089 | replayPendingPromptsForActiveTab(tabId); |
| 4090 | return true; |
| 4091 | }, [isNavigationIntentCurrent, reconcileTabRuntime, refreshMetaOnlyForTab, sessionLoadCurrent]); |
| 4092 | const failSessionNavigation = useCallback(async (navigationSeq: number, tabId: string): Promise<SurfaceDataCommit> => { |
| 4093 | if (!isNavigationIntentCurrent(navigationSeq)) return { intent: navigationSeq, outcome: "superseded", tabId }; |
| 4094 | const error = t("history.failedOpenSession"); |
| 4095 | dispatchTo(tabId, { type: "hydrate_error", reason: "resume-session", error }); |
| 4096 | await restoreNavigationSource(navigationSeq, tabId, error); |
| 4097 | return { intent: navigationSeq, outcome: "failed", tabId, error }; |
| 4098 | }, [dispatchTo, isNavigationIntentCurrent, restoreNavigationSource]); |
| 4099 | const resumeSession = useCallback((path: string, tabId?: string, navigationIntentSeq?: number): NavigationResult<void> | undefined => { |
| 4100 | const targetTabId = tabId || activeTabId; |
| 4101 | if (!targetTabId) return; |
| 4102 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4103 | snapshotNavigationSourceTab(navigationSeq); |
| 4104 | const terminal = (outcome: SurfaceDataOutcome, error?: string): SurfaceDataCommit => ({ intent: navigationSeq, outcome, tabId: targetTabId, error }); |
| 4105 | const existingState = statesRef.current.get(targetTabId); |
| 4106 | const sameSession = sameSessionHydrateIdentity({ sessionPath: path }, existingState?.meta); const placeholderItems = sameSessionPlaceholderItems({ sessionPath: path }, existingState); |
| 4107 | if (!sameSession) invalidateCheckpoints(targetTabId); |
| 4108 | const seq = bumpSessionLoadSeq(targetTabId); |
| 4109 | beginResumeHistory(); |
| 4110 | // Withholding readiness is what keeps a switch from submitting into the runtime it is leaving: the composer reopens once the reconcile confirms the new session. |
| 4111 | if (existingState?.meta) dispatchTo(targetTabId, { type: "optimistic_meta", meta: { ...existingState.meta, sessionPath: path, ready: sameSession ? existingState.meta.ready : false } }); |
| 4112 | dispatchTo(targetTabId, { type: "hydrate_start", reason: "resume-session", placeholderItems }); |
| 4113 | if (!sameSession) dispatchTo(targetTabId, { type: "reset" }); |
| 4114 | const surfaceReady = (async (): Promise<SurfaceDataCommit> => { |
| 4115 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4116 | if (tabId) await waitForTabReady(tabId); |
| 4117 | else if (!(await waitForBackendActiveTab(targetTabId))) { |
| 4118 | return failSessionNavigation(navigationSeq, targetTabId); |
| 4119 | } |
| 4120 | if (!navigationCompletionCurrent(navigationSeq, "session.resume", targetTabId) || !sessionLoadCurrent(targetTabId, seq)) return terminal("superseded"); |
| 4121 | dispatchTo(targetTabId, { type: "hydrate_start", reason: "resume-session", placeholderItems }); |
| 4122 | const switchStarted = performance.now(); |
| 4123 | let phases: import("./sessionDiagnostics").HistorySwitchPhases | void; |
| 4124 | try { |
| 4125 | if (!app.ResumeTranscriptSessionForTab) throw new Error("Transcript v2 requires an updated Desktop"); |
| 4126 | phases = await app.ResumeTranscriptSessionForTab(targetTabId, path); |
| 4127 | } catch { |
| 4128 | if (!isNavigationIntentCurrent(navigationSeq) || !sessionLoadCurrent(targetTabId, seq)) return terminal("superseded"); |
| 4129 | return failSessionNavigation(navigationSeq, targetTabId); |
| 4130 | } |
| 4131 | if (!navigationCompletionCurrent(navigationSeq, "session.resume", targetTabId) || !sessionLoadCurrent(targetTabId, seq)) return terminal("superseded"); |
| 4132 | const snapshotStarted = performance.now(); |
| 4133 | const metrics = await startTranscriptFollow(targetTabId, path); |
| 4134 | if (!navigationCompletionCurrent(navigationSeq, "session.resume", targetTabId) || !sessionLoadCurrent(targetTabId, seq)) return terminal("superseded"); |
| 4135 | noteTranscriptFollowSwitch(phases, metrics, performance.now() - switchStarted, performance.now() - snapshotStarted); |
| 4136 | dispatchTo(targetTabId, { type: "hydrate_done" }); |
| 4137 | if (!(await reconcileSessionNavigationForTab(targetTabId, navigationSeq, seq))) return terminal("superseded"); |
| 4138 | app.ContextUsageForTab(targetTabId).then((context) => dispatchTo(targetTabId, { type: "context", context })).catch(() => {}); |
| 4139 | void refreshTurnBoundaries(targetTabId); |
| 4140 | return terminal("ready"); |
| 4141 | })().catch(() => failSessionNavigation(navigationSeq, targetTabId)); |
| 4142 | return { value: undefined, surfaceReady }; |
| 4143 | }, [activeTabId, beginActiveNavigation, bumpSessionLoadSeq, dispatchTo, ensureTranscriptSubscription, failSessionNavigation, invalidateCheckpoints, navigationCompletionCurrent, reconcileSessionNavigationForTab, refreshTurnBoundaries, requireRegisteredNavigationIntent, sessionLoadCurrent, startTranscriptFollow, snapshotNavigationSourceTab, waitForBackendActiveTab, waitForTabReady]); |
| 4144 | |
| 4145 | const openChannelSession = useCallback((path: string, tabId: string, navigationIntentSeq?: number): NavigationResult<void> | undefined => { |
| 4146 | if (!tabId) return; |
| 4147 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4148 | snapshotNavigationSourceTab(navigationSeq); |
| 4149 | const existingState = statesRef.current.get(tabId); const sameSession = sameSessionHydrateIdentity({ sessionPath: path }, existingState?.meta); |
| 4150 | if (!sameSession) invalidateCheckpoints(tabId); |
| 4151 | const seq = bumpSessionLoadSeq(tabId); |
| 4152 | beginResumeHistory(); |
| 4153 | // Same withholding as resumeSession: a channel switch must not submit into the runtime it is leaving. |
| 4154 | if (existingState?.meta) dispatchTo(tabId, { type: "optimistic_meta", meta: { ...existingState.meta, sessionPath: path, ready: sameSession ? existingState.meta.ready : false } }); |
| 4155 | dispatchTo(tabId, { type: "hydrate_start", reason: "resume-session", placeholderItems: sameSessionPlaceholderItems({ sessionPath: path }, existingState) }); |
| 4156 | if (!sameSession) dispatchTo(tabId, { type: "reset" }); |
| 4157 | const terminal = (outcome: SurfaceDataOutcome, error?: string): SurfaceDataCommit => ({ intent: navigationSeq, outcome, tabId, error }); |
| 4158 | const surfaceReady = (async (): Promise<SurfaceDataCommit> => { |
| 4159 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4160 | await waitForTabReady(tabId); |
| 4161 | if (!navigationCompletionCurrent(navigationSeq, "session.channel", tabId) || !sessionLoadCurrent(tabId, seq)) return terminal("superseded"); |
| 4162 | const switchStarted = performance.now(); |
| 4163 | let phases: import("./sessionDiagnostics").HistorySwitchPhases | void; |
| 4164 | try { |
| 4165 | if (!app.OpenChannelTranscriptSessionForTab) throw new Error("Transcript v2 requires an updated Desktop"); |
| 4166 | phases = await app.OpenChannelTranscriptSessionForTab(tabId, path); |
| 4167 | } catch { |
| 4168 | if (!isNavigationIntentCurrent(navigationSeq) || !sessionLoadCurrent(tabId, seq)) return terminal("superseded"); |
| 4169 | return failSessionNavigation(navigationSeq, tabId); |
| 4170 | } |
| 4171 | if (!navigationCompletionCurrent(navigationSeq, "session.channel", tabId) || !sessionLoadCurrent(tabId, seq)) return terminal("superseded"); |
| 4172 | const snapshotStarted = performance.now(); |
| 4173 | const metrics = await startTranscriptFollow(tabId, path); |
| 4174 | if (!navigationCompletionCurrent(navigationSeq, "session.channel", tabId) || !sessionLoadCurrent(tabId, seq)) return terminal("superseded"); |
| 4175 | noteTranscriptFollowSwitch(phases, metrics, performance.now() - switchStarted, performance.now() - snapshotStarted); |
| 4176 | dispatchTo(tabId, { type: "hydrate_done" }); |
| 4177 | if (!(await reconcileSessionNavigationForTab(tabId, navigationSeq, seq))) return terminal("superseded"); |
| 4178 | app.ContextUsageForTab(tabId).then((context) => dispatchTo(tabId, { type: "context", context })).catch(() => {}); |
| 4179 | void refreshTurnBoundaries(tabId); |
| 4180 | return terminal("ready"); |
| 4181 | })().catch(() => failSessionNavigation(navigationSeq, tabId)); |
| 4182 | return { value: undefined, surfaceReady }; |
| 4183 | }, [beginActiveNavigation, bumpSessionLoadSeq, dispatchTo, ensureTranscriptSubscription, failSessionNavigation, invalidateCheckpoints, isNavigationIntentCurrent, navigationCompletionCurrent, reconcileSessionNavigationForTab, refreshTurnBoundaries, requireRegisteredNavigationIntent, sessionLoadCurrent, startTranscriptFollow, snapshotNavigationSourceTab, waitForTabReady]); |
| 4184 | |
| 4185 | const { openCanonicalSession, previewSession, deleteSession, restoreSession, purgeTrashedSession, renameSession } = |
| 4186 | useSessionCatalogActions(requireRegisteredNavigationIntent, isNavigationIntentCurrent, syncActiveTabFromBackend, invalidateCache); |
| 4187 | const refreshMeta = useCallback(async () => { |
| 4188 | if (!activeTabId) return; |
| 4189 | invalidateSharedQuery("MetaForTab", [activeTabId]); |
| 4190 | await refreshMetaForTab(activeTabId); |
| 4191 | }, [activeTabId, refreshMetaForTab]); |
| 4192 | |
| 4193 | const refreshWorkspaceState = useCallback(async (path: string, navigationSeq: number): Promise<string> => { |
| 4194 | if (!path) return path; |
| 4195 | if (!isNavigationIntentCurrent(navigationSeq)) await reassertVisibleTabAfterStaleNavigation("workspace.switch", ""); |
| 4196 | else { |
| 4197 | const activatedTabId = await syncActiveTabFromBackend(true, false, { navigationIntentSeq: navigationSeq, surfacePolicy: "replace-surface", deferHydration: true }); |
| 4198 | if (!isNavigationIntentCurrent(navigationSeq)) await reassertVisibleTabAfterStaleNavigation("workspace.switch", activatedTabId ?? ""); |
| 4199 | } |
| 4200 | return path; |
| 4201 | }, [isNavigationIntentCurrent, reassertVisibleTabAfterStaleNavigation, syncActiveTabFromBackend]); |
| 4202 | |
| 4203 | const pickWorkspace = useCallback(async (navigationIntentSeq?: number): Promise<string> => { |
| 4204 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4205 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4206 | const path = await app.PickWorkspace(); |
| 4207 | return refreshWorkspaceState(path, navigationSeq); |
| 4208 | }, [beginActiveNavigation, refreshWorkspaceState, requireRegisteredNavigationIntent]); |
| 4209 | const switchWorkspace = useCallback(async (path: string, navigationIntentSeq?: number): Promise<string> => { |
| 4210 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4211 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4212 | const next = await app.SwitchWorkspace(path); |
| 4213 | return refreshWorkspaceState(next, navigationSeq); |
| 4214 | }, [beginActiveNavigation, refreshWorkspaceState, requireRegisteredNavigationIntent]); |
| 4215 | |
| 4216 | const compact = useCallback(() => { |
| 4217 | const tabId = activeTabIdRef.current; |
| 4218 | if (!tabId) return; |
| 4219 | void waitForTabReady(tabId).then(() => app.CompactForTab(tabId).catch(() => {})); |
| 4220 | }, [waitForTabReady]); |
| 4221 | |
| 4222 | const enqueueModelSwitch = useCallback((tabId: string, name: string, fallbackBalance?: BalanceInfo) => { |
| 4223 | let queue = modelSwitchQueueByTab.current.get(tabId); |
| 4224 | if (!queue) { |
| 4225 | queue = { running: false, fallbackBalance }; |
| 4226 | modelSwitchQueueByTab.current.set(tabId, queue); |
| 4227 | } |
| 4228 | const queueState = queue; |
| 4229 | |
| 4230 | return new Promise<ModelSwitchQueueResult>((resolve, reject) => { |
| 4231 | const request: ModelSwitchQueueRequest = { name, resolve, reject }; |
| 4232 | const run = (next: ModelSwitchQueueRequest) => { |
| 4233 | queueState.running = true; |
| 4234 | void Promise.resolve() |
| 4235 | .then(() => app.SetModelForTab(tabId, next.name)) |
| 4236 | .then( |
| 4237 | () => next.resolve("applied"), |
| 4238 | (err) => next.reject(err), |
| 4239 | ) |
| 4240 | .finally(() => { |
| 4241 | if (modelSwitchQueueByTab.current.get(tabId) !== queueState) return; |
| 4242 | const pending = queueState.pending; |
| 4243 | queueState.pending = undefined; |
| 4244 | if (pending) { |
| 4245 | run(pending); |
| 4246 | return; |
| 4247 | } |
| 4248 | queueState.running = false; |
| 4249 | modelSwitchQueueByTab.current.delete(tabId); |
| 4250 | }); |
| 4251 | }; |
| 4252 | |
| 4253 | if (queueState.running) { |
| 4254 | queueState.pending?.resolve("superseded"); |
| 4255 | queueState.pending = request; |
| 4256 | return; |
| 4257 | } |
| 4258 | run(request); |
| 4259 | }); |
| 4260 | }, []); |
| 4261 | |
| 4262 | const { setModelForTab, setEffortForTab } = useMemo(() => createControllerModelCommands({ |
| 4263 | statesRef, modelSwitchSeqByTab, modelSwitchSuccessVersionByTab, modelSwitchQueueByTab, |
| 4264 | enqueueModelSwitch, clearBalanceForTab, dispatchTo, refreshBalanceForTab, refreshMetaForTab, |
| 4265 | }), [enqueueModelSwitch, clearBalanceForTab, dispatchTo, refreshBalanceForTab, refreshMetaForTab]); |
| 4266 | const setModel = useCallback((name: string) => activeTabId ? setModelForTab(activeTabId, name) : Promise.resolve(false), [activeTabId, setModelForTab]); |
| 4267 | const setEffort = useCallback((level: string) => activeTabId ? setEffortForTab(activeTabId, level) : Promise.resolve(), [activeTabId, setEffortForTab]); |
| 4268 | |
| 4269 | const cancelJob = useCallback(async (jobID: string): Promise<boolean> => { |
| 4270 | const tabId = activeTabId; |
| 4271 | if (!tabId || !jobID.trim()) return false; |
| 4272 | try { |
| 4273 | const cancelled = await app.CancelJobForTab(tabId, jobID); |
| 4274 | const jobs = asArray(await app.JobsForTab(tabId)); |
| 4275 | dispatchTo(tabId, { type: "jobs", jobs }); |
| 4276 | await refreshMetaForTab(tabId); |
| 4277 | return cancelled; |
| 4278 | } catch { |
| 4279 | dispatchTo(tabId, { type: "local_notice", level: "warn", text: t("status.jobStopFailed") }); |
| 4280 | return false; |
| 4281 | } |
| 4282 | }, [activeTabId, dispatchTo, refreshMetaForTab]); |
| 4283 | |
| 4284 | const fetchMemory = useCallback((): Promise<MemoryView> => |
| 4285 | app.Memory().catch(() => ({ |
| 4286 | docs: [], facts: [], archives: [], scopes: [], instructionDiagnostics: [], conflicts: [], |
| 4287 | lastRecall: { query: "", hits: [], omitted: 0, charBudget: 0, usedChars: 0 }, |
| 4288 | storeDir: "", available: false, |
| 4289 | })), []); |
| 4290 | const remember = useCallback(async (scope: string, note: string) => { await app.Remember(scope, note).catch(() => {}); }, []); |
| 4291 | const forget = useCallback(async (name: string) => { await app.Forget(name).catch(() => {}); }, []); |
| 4292 | const saveDoc = useCallback(async (path: string, body: string) => { await app.SaveDoc(path, body).catch(() => {}); }, []); |
| 4293 | |
| 4294 | const adoptReturnedTab = async (tab: TabMeta, sourceTabId: string, navigationSeq: number, reason: string): Promise<string | undefined> => { |
| 4295 | const snapshotAt = promptEventClock(); |
| 4296 | const navigationUnchanged = activeNavigationSeqRef.current === navigationSeq; |
| 4297 | const activateFork = tab.active && navigationUnchanged && activeTabIdRef.current === sourceTabId; |
| 4298 | if (!activateFork) { |
| 4299 | dispatchTo(tab.id, { type: "optimistic_meta", meta: metaFromTab(tab, statesRef.current.get(tab.id)?.meta) }); |
| 4300 | dispatchRuntimeStatusForTab(tab.id, tab, snapshotAt); |
| 4301 | const currentTabId = activeTabIdRef.current; |
| 4302 | if (tab.active) { |
| 4303 | await reassertVisibleTabAfterStaleNavigation(reason, tab.id); |
| 4304 | } else if (!tab.active && navigationUnchanged && currentTabId === sourceTabId) { |
| 4305 | await syncActiveTabFromBackend(false, true); |
| 4306 | } |
| 4307 | addBreadcrumb(reason, `stale completion ${tab.id} current=${currentTabId ?? ""}`); |
| 4308 | await waitForTabReady(tab.id); |
| 4309 | return tab.id; |
| 4310 | } |
| 4311 | beginActiveNavigation(); |
| 4312 | setActiveTabId(tab.id); |
| 4313 | activeTabIdRef.current = tab.id; |
| 4314 | confirmBackendActiveTab(tab.id); |
| 4315 | dispatchRuntimeStatusForTab(tab.id, tab, snapshotAt); |
| 4316 | await waitForTabReady(tab.id); |
| 4317 | await loadSessionDataForTab(tab.id, true); |
| 4318 | await reconcileTabRuntime(tab.id, RUNTIME_STATUS_ONLY); |
| 4319 | return tab.id; |
| 4320 | }; |
| 4321 | const rewindForTabDetailed = useCallback(async (sourceTabId: string, turn: number, scope: string): Promise<RewindResultView & { ok: boolean }> => { |
| 4322 | if (!sourceTabId) return { ok: false }; |
| 4323 | const forkNavigationSeq = activeNavigationSeqRef.current; |
| 4324 | await waitForTabReady(sourceTabId); |
| 4325 | const actionScope = (["fork", "fork-worktree", "summ-from", "summ-upto", "conversation", "code", "both"].includes(scope) ? scope : "both") as MessageActionScope; |
| 4326 | const { messageActionBusyText, settleForkConversationForTab } = await import("./controllerSwitchNotices"); |
| 4327 | dispatchTo(sourceTabId, { type: "message_action_start", action: { turn, scope: actionScope } }); |
| 4328 | dispatchTo(sourceTabId, { type: "local_notice", level: "info", text: messageActionBusyText(actionScope) }); |
| 4329 | try { |
| 4330 | if (actionScope === "fork" || actionScope === "fork-worktree") { |
| 4331 | return settleForkConversationForTab(app, sourceTabId, turn, actionScope === "fork-worktree", |
| 4332 | (tabId, level, text) => dispatchTo(tabId, { type: "local_notice", level, text }), |
| 4333 | tab => adoptReturnedTab(tab, sourceTabId, forkNavigationSeq, "tab.fork"), |
| 4334 | () => syncActiveTabFromBackend(true)); |
| 4335 | } |
| 4336 | |
| 4337 | let outcome: RewindResultView & { ok: boolean } = { ok: true }; |
| 4338 | let partialNotice = ""; |
| 4339 | if (actionScope === "summ-from") await app.SummarizeFromForTab(sourceTabId, turn); |
| 4340 | else if (actionScope === "summ-upto") await app.SummarizeUpToForTab(sourceTabId, turn); |
| 4341 | else { |
| 4342 | const { commitRewindWithPreview, partialRewindNotice, rewindFailureDetail, rewindOutcome, settleRewindTarget } = await import("./rewindCommit"); |
| 4343 | const result = await commitRewindWithPreview(sourceTabId, turn, actionScope); |
| 4344 | if (!result?.ok) { |
| 4345 | dispatchTo(sourceTabId, { type: "local_notice", level: "warn", text: rewindFailureDetail(result) }); |
| 4346 | return { ok: false, written: result?.written, deleted: result?.deleted }; |
| 4347 | } |
| 4348 | outcome = rewindOutcome(result); |
| 4349 | outcome.tabId = await settleRewindTarget(result, tab => adoptReturnedTab(tab, sourceTabId, forkNavigationSeq, "tab.rewind"), waitForTabReady); |
| 4350 | partialNotice = partialRewindNotice(result); |
| 4351 | } |
| 4352 | |
| 4353 | await loadSessionDataForTab(sourceTabId, true, "rewind"); |
| 4354 | if (partialNotice) await import("./rewindCommit").then(({ dispatchPartialRewindNotice }) => |
| 4355 | dispatchPartialRewindNotice(partialNotice, sourceTabId, outcome.tabId, (tabId, text) => dispatchTo(tabId, { type: "local_notice", level: "warn", text }))); |
| 4356 | return outcome; |
| 4357 | } catch { |
| 4358 | if (actionScope === "fork" || actionScope === "fork-worktree") { |
| 4359 | dispatchTo(sourceTabId, { type: "local_notice", level: "warn", text: t("rewind.forkFailed") }); |
| 4360 | } |
| 4361 | return { ok: false }; |
| 4362 | } finally { |
| 4363 | dispatchTo(sourceTabId, { type: "message_action_done" }); |
| 4364 | } |
| 4365 | }, [beginActiveNavigation, confirmBackendActiveTab, dispatchRuntimeStatusForTab, dispatchTo, loadSessionDataForTab, reassertVisibleTabAfterStaleNavigation, reconcileTabRuntime, syncActiveTabFromBackend, waitForTabReady]); |
| 4366 | |
| 4367 | const rewindForTab = useCallback(async (sourceTabId: string, turn: number, scope: string): Promise<boolean> => { |
| 4368 | return (await rewindForTabDetailed(sourceTabId, turn, scope)).ok; |
| 4369 | }, [rewindForTabDetailed]); |
| 4370 | const forkTurnForTab = useCallback((sourceTabId: string, target: import("./forkTargets").ForkTargetView): Promise<boolean> => |
| 4371 | settleForkTurnForTab(app, sourceTabId, target, { |
| 4372 | dispatch: (action) => dispatchTo(sourceTabId, action), |
| 4373 | adopt: (tab) => adoptReturnedTab(tab, sourceTabId, activeNavigationSeqRef.current, "tab.fork-target"), |
| 4374 | sync: () => syncActiveTabFromBackend(true), waitForTabReady, |
| 4375 | }), [adoptReturnedTab, dispatchTo, syncActiveTabFromBackend, waitForTabReady]); |
| 4376 | |
| 4377 | const rewind = useCallback(async (turn: number, scope: string): Promise<boolean> => { |
| 4378 | if (!activeTabId) return false; |
| 4379 | return rewindForTab(activeTabId, turn, scope); |
| 4380 | }, [activeTabId, rewindForTab]); |
| 4381 | |
| 4382 | const undoRewindForTab = useCallback(async (sourceTabId: string, transactionId: string): Promise<boolean> => { |
| 4383 | if (!sourceTabId || !transactionId) return false; |
| 4384 | try { |
| 4385 | const { undoCommittedRewind } = await import("./rewindCommit"); |
| 4386 | const result = await undoCommittedRewind(sourceTabId, transactionId); |
| 4387 | if (!result?.ok) { |
| 4388 | const detail = result?.error || "undo rewind failed"; |
| 4389 | dispatchTo(sourceTabId, { type: "local_notice", level: "warn", text: detail }); |
| 4390 | return false; |
| 4391 | } |
| 4392 | await loadSessionDataForTab(sourceTabId, true, "rewind"); |
| 4393 | return true; |
| 4394 | } catch (err) { |
| 4395 | dispatchTo(sourceTabId, { |
| 4396 | type: "local_notice", |
| 4397 | level: "warn", |
| 4398 | text: err instanceof Error ? err.message : String(err), |
| 4399 | }); |
| 4400 | return false; |
| 4401 | } |
| 4402 | }, [dispatchTo, loadSessionDataForTab]); |
| 4403 | |
| 4404 | // Tab management: switch preserves per-tab state; open creates it. |
| 4405 | const switchTab = useCallback(async (tabId: string, optimisticTab?: TabMeta, navigationIntentSeq?: number): Promise<TabMeta[] | undefined> => { |
| 4406 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4407 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4408 | if (!navigationCompletionCurrent(navigationSeq, "tab.switch", tabId)) return undefined; |
| 4409 | snapshotNavigationSourceTab(navigationSeq); |
| 4410 | const startedAt = Date.now(); |
| 4411 | topicActivationSeqRef.current += 1; |
| 4412 | const switchRequestId = `fe-switch-${Date.now()}-${topicActivationSeqRef.current}`; |
| 4413 | noteActivationRequested(switchRequestId); |
| 4414 | const previousTabId = activeTabIdRef.current; |
| 4415 | const targetState = statesRef.current.get(tabId); |
| 4416 | const currentTargetIdentity = targetState?.meta ?? listedSessionIdentityByTabRef.current.get(tabId); |
| 4417 | const targetIdentity = optimisticTab ? sessionIdentityFields(optimisticTab) : undefined; |
| 4418 | const targetSessionRevision = optimisticTab?.sessionRevision; |
| 4419 | const targetSessionDigest = optimisticTab?.sessionDigest; |
| 4420 | const targetSessionGeneration = optimisticTab?.sessionGeneration; |
| 4421 | const sameSession = sameSessionHydrateIdentity(targetIdentity, currentTargetIdentity); |
| 4422 | const optimisticStatus = optimisticTab ? backendStatusFromRuntimeMeta(optimisticTab) : undefined; |
| 4423 | const adoptUnboundLiveSurface = canAdoptUnboundLiveSurface(targetIdentity, currentTargetIdentity, targetState, Boolean(optimisticStatus?.running), optimisticTab?.runtime?.epoch, runtimeEpochByTabRef.current.get(tabId)); |
| 4424 | const preserveTargetSurface = sameSession || adoptUnboundLiveSurface; |
| 4425 | const placeholderItems = sameSession ? targetState?.items : undefined; |
| 4426 | const preserveCachedHistory = sameSession && hasReusableCachedTranscript(targetState, targetIdentity ?? {}, targetSessionRevision, targetSessionDigest); |
| 4427 | addBreadcrumb("tab.switch", `click ${tabId}`); |
| 4428 | setActiveTabId(tabId); |
| 4429 | activeTabIdRef.current = tabId; |
| 4430 | noteNavigationIdentityPublished(navigationSeq, tabId); |
| 4431 | dispatchTo(tabId, { type: "backend_activation_start", backendPendingPrompt: Boolean(optimisticTab?.pendingPrompt) }); |
| 4432 | noteActivationStarted(switchRequestId, tabId); |
| 4433 | if (optimisticTab) { |
| 4434 | dispatchTo(tabId, { type: "optimistic_meta", meta: metaFromTab(optimisticTab, statesRef.current.get(tabId)?.meta) }); |
| 4435 | } |
| 4436 | // Remote tabs have no local controller/history slice. Their transcript is |
| 4437 | // hydrated by useRemoteSession via RemoteTabSnapshot after ready. Running |
| 4438 | // HistorySliceForTab here fails with "session path unavailable" and the |
| 4439 | // hydrateError path would bounce the user back to the previous local tab. |
| 4440 | if (optimisticTab?.remote) { |
| 4441 | if (!preserveTargetSurface) dispatchTo(tabId, { type: "reset" }); |
| 4442 | dispatchTo(tabId, { type: "hydrate_done" }); |
| 4443 | const backendActivation = app.SetActiveTab(tabId) |
| 4444 | .then(async () => { |
| 4445 | if (!isNavigationIntentCurrent(navigationSeq) || activeTabIdRef.current !== tabId) { |
| 4446 | noteActivationSettled(switchRequestId, "cancelled"); |
| 4447 | await reassertVisibleTabAfterStaleNavigation("tab.switch", tabId); |
| 4448 | return false; |
| 4449 | } |
| 4450 | confirmBackendActiveTab(tabId); |
| 4451 | noteActivationSettled(switchRequestId, "ready"); |
| 4452 | return true; |
| 4453 | }) |
| 4454 | .catch((err) => { |
| 4455 | noteActivationSettled(switchRequestId, "failed", errorMessage(err)); |
| 4456 | if (!isNavigationIntentCurrent(navigationSeq)) return false; |
| 4457 | dispatchTo(tabId, { type: "backend_activation_done" }); |
| 4458 | if (previousTabId && activeTabIdRef.current === tabId) { |
| 4459 | setActiveTabId(previousTabId); |
| 4460 | activeTabIdRef.current = previousTabId; |
| 4461 | } |
| 4462 | return false; |
| 4463 | }); |
| 4464 | trackBackendActivation(tabId, backendActivation); |
| 4465 | return backendActivation.then(async (activated) => { |
| 4466 | if (!activated || !isNavigationIntentCurrent(navigationSeq)) return undefined; |
| 4467 | return reconcileTabRuntime(tabId, RUNTIME_STATUS_ONLY); |
| 4468 | }); |
| 4469 | } |
| 4470 | if (!preserveTargetSurface) dispatchTo(tabId, { type: "reset" }); |
| 4471 | if (optimisticStatus?.running) dispatchTo(tabId, optimisticStatus); |
| 4472 | dispatchTo(tabId, { type: "hydrate_start", reason: "switch-tab", placeholderItems }); |
| 4473 | const readableTarget = optimisticTab ?? listedSessionIdentityByTabRef.current.get(tabId); |
| 4474 | // A resident/live target is already the freshest readable surface. A |
| 4475 | // durable baseline read must not replace its optimistic user message or |
| 4476 | // active assistant tail while backend activation is pending. |
| 4477 | if (readableTarget && !preserveCachedHistory && !hasCachedLiveTurn(targetState)) { |
| 4478 | void primeReadableHistoryForTab(tabId, readableTarget, "switch-tab", navigationSeq, () => |
| 4479 | isNavigationIntentCurrent(navigationSeq) && activeTabIdRef.current === tabId, |
| 4480 | ); |
| 4481 | } |
| 4482 | addBreadcrumb("tab.switch", `active-rendered ${tabId} ms=${Date.now() - startedAt}`); |
| 4483 | const backendActivation = app.SetActiveTab(tabId) |
| 4484 | .then(async () => { |
| 4485 | const navigationCurrent = isNavigationIntentCurrent(navigationSeq); |
| 4486 | if (!navigationCurrent || activeTabIdRef.current !== tabId) { |
| 4487 | const currentTabId = activeTabIdRef.current; |
| 4488 | noteActivationSettled(switchRequestId, "cancelled"); |
| 4489 | await reassertVisibleTabAfterStaleNavigation("tab.switch", tabId); |
| 4490 | addBreadcrumb("tab.switch", `set-active-stale ${tabId} seq=${navigationSeq} current=${currentTabId ?? ""} ms=${Date.now() - startedAt}`); |
| 4491 | return false; |
| 4492 | } |
| 4493 | confirmBackendActiveTab(tabId); |
| 4494 | // Re-run the scoped replay after backend activation. This closes the |
| 4495 | // window where the runtime is reattached while the optimistic switch |
| 4496 | // is in flight and the first replay still sees no controller on tabId. |
| 4497 | replayPendingPromptsForActiveTab(tabId); |
| 4498 | addBreadcrumb("tab.switch", `set-active-done ${tabId} ms=${Date.now() - startedAt}`); |
| 4499 | return true; |
| 4500 | }) |
| 4501 | .catch((err) => { |
| 4502 | noteActivationSettled(switchRequestId, "failed", errorMessage(err)); |
| 4503 | if (!isNavigationIntentCurrent(navigationSeq)) return false; |
| 4504 | dispatchTo(tabId, { type: "backend_activation_done" }); |
| 4505 | dispatchTo(tabId, { type: "hydrate_error", reason: "switch-tab", error: errorMessage(err) }); |
| 4506 | if (previousTabId && activeTabIdRef.current === tabId) { |
| 4507 | setActiveTabId(previousTabId); |
| 4508 | activeTabIdRef.current = previousTabId; |
| 4509 | addBreadcrumb("tab.switch", `set-active-failed-reverted ${tabId} -> ${previousTabId} ms=${Date.now() - startedAt}`); |
| 4510 | } |
| 4511 | return false; |
| 4512 | }); |
| 4513 | trackBackendActivation(tabId, backendActivation); |
| 4514 | const backendSwitch = backendActivation |
| 4515 | .then(async (activated) => { |
| 4516 | if (!activated || !isNavigationIntentCurrent(navigationSeq)) { |
| 4517 | if (!activated) noteActivationSettled(switchRequestId, "failed", "backend activation did not complete"); |
| 4518 | return undefined; |
| 4519 | } |
| 4520 | const tabs = await reconcileTabRuntime(tabId, { hydrateSessionData: false, refreshAncillary: false }); |
| 4521 | if (!isNavigationIntentCurrent(navigationSeq)) return tabs; |
| 4522 | const runtimeMeta = statesRef.current.get(tabId)?.meta; |
| 4523 | if (runtimeReadyForSubmit(runtimeMeta)) { |
| 4524 | noteNavigationRuntimeReady( |
| 4525 | navigationSeq, |
| 4526 | Boolean(optimisticTab?.ready && (!optimisticTab.runtime || optimisticTab.runtime.phase === "ready")), |
| 4527 | ); |
| 4528 | } |
| 4529 | const hydration = loadSessionDataForTab(tabId, false, "switch-tab", { |
| 4530 | skipHistory: sameSession && hasCachedLiveTurn(statesRef.current.get(tabId)), |
| 4531 | placeholderItems, |
| 4532 | surfacePolicy: preserveTargetSurface ? "preserve-current" : "replace-surface", |
| 4533 | preserveCachedHistory, |
| 4534 | ...sessionIdentityFields(optimisticTab), |
| 4535 | sessionRevision: targetSessionRevision, |
| 4536 | sessionDigest: targetSessionDigest, |
| 4537 | sessionGeneration: targetSessionGeneration, |
| 4538 | }); |
| 4539 | // Release the click queue as soon as activation has yielded its target. |
| 4540 | // Hydration continues independently; the App-level surface transaction |
| 4541 | // retains the source until this target commits data and paint. |
| 4542 | void hydration.then(async () => { |
| 4543 | if (!isNavigationIntentCurrent(navigationSeq)) return; |
| 4544 | const hydratedTargetState = statesRef.current.get(tabId); |
| 4545 | if (hydratedTargetState?.hydrateError) { |
| 4546 | noteActivationSettled(switchRequestId, "failed", hydratedTargetState.hydrateError); |
| 4547 | await restoreNavigationSource(navigationSeq, tabId, t("history.failedOpenSession")); |
| 4548 | return; |
| 4549 | } |
| 4550 | noteActivationSettled(switchRequestId, "ready"); |
| 4551 | }).catch((err) => { |
| 4552 | noteActivationSettled(switchRequestId, "failed", errorMessage(err)); |
| 4553 | if (isNavigationIntentCurrent(navigationSeq)) { |
| 4554 | dispatchTo(tabId, { type: "hydrate_error", reason: "switch-tab", error: t("history.failedOpenSession") }); |
| 4555 | void restoreNavigationSource(navigationSeq, tabId, t("history.failedOpenSession")); |
| 4556 | } |
| 4557 | }); |
| 4558 | return tabs; |
| 4559 | }) |
| 4560 | .catch((err) => { |
| 4561 | noteActivationSettled(switchRequestId, "failed", errorMessage(err)); |
| 4562 | if (isNavigationIntentCurrent(navigationSeq)) { |
| 4563 | dispatchTo(tabId, { type: "hydrate_error", reason: "switch-tab", error: t("history.failedOpenSession") }); |
| 4564 | void restoreNavigationSource(navigationSeq, tabId, t("history.failedOpenSession")); |
| 4565 | } |
| 4566 | return undefined; |
| 4567 | }); |
| 4568 | return backendSwitch; |
| 4569 | }, [beginActiveNavigation, confirmBackendActiveTab, dispatchTo, isNavigationIntentCurrent, loadSessionDataForTab, navigationCompletionCurrent, primeReadableHistoryForTab, reassertVisibleTabAfterStaleNavigation, reconcileTabRuntime, requireRegisteredNavigationIntent, restoreNavigationSource, snapshotNavigationSourceTab, trackBackendActivation]); |
| 4570 | |
| 4571 | const switchRemoteTab = useRemoteTabSwitch({ |
| 4572 | activeTabIdRef, setActiveTabId, beginNavigation: beginActiveNavigation, |
| 4573 | requireRegisteredNavigation: requireRegisteredNavigationIntent, |
| 4574 | navigationCanComplete: navigationCompletionCurrent, |
| 4575 | navigationIsCurrent: isNavigationIntentCurrent, |
| 4576 | confirmBackendActiveTab, |
| 4577 | reassertVisibleTab: reassertVisibleTabAfterStaleNavigation, |
| 4578 | }); |
| 4579 | |
| 4580 | const openProjectTab = useCallback(async (workspaceRoot: string, topicId: string, navigationIntentSeq?: number): Promise<TabMeta> => { |
| 4581 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4582 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4583 | snapshotNavigationSourceTab(navigationSeq); |
| 4584 | const snapshotAt = promptEventClock(); |
| 4585 | const meta = await app.OpenProjectTab(workspaceRoot, topicId); |
| 4586 | if (!navigationCompletionCurrent(navigationSeq, "tab.open-project", meta.id)) { |
| 4587 | await reassertVisibleTabAfterStaleNavigation("tab.open-project", meta.id); |
| 4588 | return meta; |
| 4589 | } |
| 4590 | const prevState = statesRef.current.get(meta.id); |
| 4591 | const isNewTab = !prevState; |
| 4592 | const sameSession = sameSessionHydrateIdentity(meta, prevState?.meta); |
| 4593 | const preserveCachedHistory = sameSession && hasReusableCachedTranscript(prevState, meta, meta.sessionRevision, meta.sessionDigest); |
| 4594 | setActiveTabId(meta.id); |
| 4595 | activeTabIdRef.current = meta.id; |
| 4596 | confirmBackendActiveTab(meta.id); |
| 4597 | dispatchTo(meta.id, { type: "optimistic_meta", meta: metaFromTab(meta, statesRef.current.get(meta.id)?.meta) }); |
| 4598 | dispatchRuntimeStatusForTab(meta.id, meta, snapshotAt); |
| 4599 | const load = loadSessionDataForTab(meta.id, !sameSession, "open-topic", { |
| 4600 | placeholderItems: sameSessionPlaceholderItems(meta, prevState), surfacePolicy: sameSession ? "preserve-current" : "replace-surface", preserveCachedHistory, |
| 4601 | ...sessionIdentityFields(meta), sessionRevision: meta.sessionRevision, sessionDigest: meta.sessionDigest, |
| 4602 | }); |
| 4603 | monitorNavigationHydration(navigationSeq, meta.id, load, isNewTab ? () => reconcileTabRuntime(meta.id, RUNTIME_STATUS_ONLY) : undefined); |
| 4604 | return meta; |
| 4605 | }, [beginActiveNavigation, confirmBackendActiveTab, dispatchRuntimeStatusForTab, dispatchTo, loadSessionDataForTab, monitorNavigationHydration, navigationCompletionCurrent, reassertVisibleTabAfterStaleNavigation, reconcileTabRuntime, requireRegisteredNavigationIntent, snapshotNavigationSourceTab]); |
| 4606 | |
| 4607 | const openGlobalTab = useCallback(async (topicId: string, navigationIntentSeq?: number): Promise<TabMeta> => { |
| 4608 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4609 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4610 | snapshotNavigationSourceTab(navigationSeq); |
| 4611 | const snapshotAt = promptEventClock(); |
| 4612 | const meta = await app.OpenGlobalTab(topicId); |
| 4613 | if (!navigationCompletionCurrent(navigationSeq, "tab.open-global", meta.id)) { |
| 4614 | await reassertVisibleTabAfterStaleNavigation("tab.open-global", meta.id); |
| 4615 | return meta; |
| 4616 | } |
| 4617 | const prevState = statesRef.current.get(meta.id); |
| 4618 | const isNewTab = !prevState; |
| 4619 | const sameSession = sameSessionHydrateIdentity(meta, prevState?.meta); |
| 4620 | const preserveCachedHistory = sameSession && hasReusableCachedTranscript(prevState, meta, meta.sessionRevision, meta.sessionDigest); |
| 4621 | setActiveTabId(meta.id); |
| 4622 | activeTabIdRef.current = meta.id; |
| 4623 | confirmBackendActiveTab(meta.id); |
| 4624 | dispatchTo(meta.id, { type: "optimistic_meta", meta: metaFromTab(meta, statesRef.current.get(meta.id)?.meta) }); |
| 4625 | dispatchRuntimeStatusForTab(meta.id, meta, snapshotAt); |
| 4626 | const load = loadSessionDataForTab(meta.id, !sameSession, "open-topic", { |
| 4627 | placeholderItems: sameSessionPlaceholderItems(meta, prevState), surfacePolicy: sameSession ? "preserve-current" : "replace-surface", preserveCachedHistory, |
| 4628 | ...sessionIdentityFields(meta), sessionRevision: meta.sessionRevision, sessionDigest: meta.sessionDigest, |
| 4629 | }); |
| 4630 | monitorNavigationHydration(navigationSeq, meta.id, load, isNewTab ? () => reconcileTabRuntime(meta.id, RUNTIME_STATUS_ONLY) : undefined); |
| 4631 | return meta; |
| 4632 | }, [beginActiveNavigation, confirmBackendActiveTab, dispatchRuntimeStatusForTab, dispatchTo, loadSessionDataForTab, monitorNavigationHydration, navigationCompletionCurrent, reassertVisibleTabAfterStaleNavigation, reconcileTabRuntime, requireRegisteredNavigationIntent, snapshotNavigationSourceTab]); |
| 4633 | |
| 4634 | const openTopicSession = useCallback(async (scope: string, workspaceRoot: string, topicId: string, sessionPath: string, navigationIntentSeq?: number): Promise<TabMeta> => { |
| 4635 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4636 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4637 | snapshotNavigationSourceTab(navigationSeq); |
| 4638 | const snapshotAt = promptEventClock(); |
| 4639 | const meta = await app.OpenTopicSession(scope, workspaceRoot, topicId, sessionPath); |
| 4640 | if (!navigationCompletionCurrent(navigationSeq, "tab.open-session", meta.id)) { |
| 4641 | await reassertVisibleTabAfterStaleNavigation("tab.open-session", meta.id); |
| 4642 | return meta; |
| 4643 | } |
| 4644 | const prevState = statesRef.current.get(meta.id); |
| 4645 | const isNewTab = !prevState; |
| 4646 | const sameSession = sameSessionHydrateIdentity(meta, prevState?.meta); |
| 4647 | const preserveCachedHistory = sameSession && hasReusableCachedTranscript(prevState, meta, meta.sessionRevision, meta.sessionDigest); |
| 4648 | setActiveTabId(meta.id); |
| 4649 | activeTabIdRef.current = meta.id; |
| 4650 | confirmBackendActiveTab(meta.id); |
| 4651 | dispatchTo(meta.id, { type: "optimistic_meta", meta: metaFromTab(meta, statesRef.current.get(meta.id)?.meta) }); |
| 4652 | dispatchRuntimeStatusForTab(meta.id, meta, snapshotAt); |
| 4653 | const load = loadSessionDataForTab(meta.id, !sameSession, "open-topic", { |
| 4654 | placeholderItems: sameSessionPlaceholderItems(meta, prevState), surfacePolicy: sameSession ? "preserve-current" : "replace-surface", preserveCachedHistory, |
| 4655 | ...sessionIdentityFields(meta), sessionRevision: meta.sessionRevision, sessionDigest: meta.sessionDigest, |
| 4656 | }); |
| 4657 | monitorNavigationHydration(navigationSeq, meta.id, load, isNewTab ? () => reconcileTabRuntime(meta.id, RUNTIME_STATUS_ONLY) : undefined); |
| 4658 | return meta; |
| 4659 | }, [beginActiveNavigation, confirmBackendActiveTab, dispatchRuntimeStatusForTab, dispatchTo, loadSessionDataForTab, monitorNavigationHydration, navigationCompletionCurrent, reassertVisibleTabAfterStaleNavigation, reconcileTabRuntime, requireRegisteredNavigationIntent, snapshotNavigationSourceTab]); |
| 4660 | |
| 4661 | const activateTopic = useCallback(async (scope: string, workspaceRoot: string, topicId: string, sessionPath = "", navigationIntentSeq?: number): Promise<TabMeta> => { |
| 4662 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4663 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4664 | snapshotNavigationSourceTab(navigationSeq); |
| 4665 | const snapshotAt = promptEventClock(); |
| 4666 | // Ticketed two-phase activation: the backend switches the visible surface |
| 4667 | // before returning the ticket; the controller build and tab prune finish |
| 4668 | // in the background and report through "topic:activation". Register the |
| 4669 | // pending ticket before the call so synchronously-emitted events match. |
| 4670 | topicActivationSeqRef.current += 1; |
| 4671 | const pending: PendingTopicActivation = { requestId: `fe-act-${Date.now()}-${topicActivationSeqRef.current}`, navigationSeq }; |
| 4672 | pendingTopicActivationRef.current = pending; |
| 4673 | noteActivationRequested(pending.requestId); |
| 4674 | const ticket = await app.StartTopicActivation({ |
| 4675 | selector: sessionPath.startsWith("session-source:") ? { source: JSON.parse(decodeURIComponent(sessionPath.slice("session-source:".length))) } |
| 4676 | : sessionPath.startsWith("session-id:") ? { ref: { hostId: "local", sessionId: sessionPath.slice("session-id:".length) } } |
| 4677 | : sessionPath ? { sessionPath } : undefined, |
| 4678 | scope, |
| 4679 | workspaceRoot, |
| 4680 | topicId, |
| 4681 | sessionPath, |
| 4682 | requestId: pending.requestId, |
| 4683 | }); |
| 4684 | const meta = ticket.meta; |
| 4685 | pending.tabId = ticket.tabId; |
| 4686 | pending.runtimeInitiallyReady = Boolean(meta.ready && (!meta.runtime || meta.runtime.phase === "ready")); |
| 4687 | if (pendingTopicActivationRef.current === pending && ticket.requestId) { |
| 4688 | if (ticket.requestId !== pending.requestId) aliasActivationRequest(pending.requestId, ticket.requestId); |
| 4689 | pending.requestId = ticket.requestId; |
| 4690 | } |
| 4691 | if (!navigationCompletionCurrent(navigationSeq, "topic.activate", meta.id)) { |
| 4692 | // A newer navigation started while the backend processed this |
| 4693 | // activation. Applying the stale result would flip the visible tab |
| 4694 | // away from the user's last click and — worse — the single-surface |
| 4695 | // prune below deletes every other tab's cached state, blanking the |
| 4696 | // surface the user is actually looking at. Last click wins: hand the |
| 4697 | // meta back for bookkeeping and leave the visible state to the newer |
| 4698 | // navigation. The backend supersedes this ticket (its terminal event |
| 4699 | // is ignored above: the pending slot belongs to the newer request). |
| 4700 | await reassertVisibleTabAfterStaleNavigation("topic.activate", meta.id); |
| 4701 | return meta; |
| 4702 | } |
| 4703 | const previousSurface = activeTabIdRef.current ? statesRef.current.get(activeTabIdRef.current) : undefined; |
| 4704 | const sameSession = sameSessionHydrateIdentity(meta, previousSurface?.meta); |
| 4705 | const prevItems = sameSessionPlaceholderItems(meta, previousSurface); |
| 4706 | pending.placeholderItems = prevItems; |
| 4707 | setActiveTabId(meta.id); |
| 4708 | activeTabIdRef.current = meta.id; |
| 4709 | noteNavigationIdentityPublished(navigationSeq, meta.id); |
| 4710 | confirmBackendActiveTab(meta.id); |
| 4711 | noteActivationStarted(pending.requestId, meta.id); |
| 4712 | dispatchTo(meta.id, { type: "optimistic_meta", meta: metaFromTab(meta, statesRef.current.get(meta.id)?.meta) }); |
| 4713 | if (!sameSession) dispatchTo(meta.id, { type: "reset" }); |
| 4714 | // A new-surface reset clears volatile runtime flags. Publish the ticket's |
| 4715 | // authoritative running state afterwards so a reattached live session |
| 4716 | // cannot briefly become idle depending on React's reducer scheduling. |
| 4717 | dispatchRuntimeStatusForTab(meta.id, meta, snapshotAt); |
| 4718 | // Ready hydrates; only same-session items are a safe placeholder. |
| 4719 | dispatchTo(meta.id, { type: "hydrate_start", reason: "open-topic", placeholderItems: prevItems }); |
| 4720 | // History is independently readable from the canonical session service as |
| 4721 | // soon as StartTopicActivation has published the tab identity. Do not wait |
| 4722 | // for the controller build/lease/MCP path before showing it. |
| 4723 | if (sameSession && hasCachedLiveTurn(previousSurface)) { |
| 4724 | dispatchTo(meta.id, { type: "hydrate_done" }); |
| 4725 | } else { |
| 4726 | void primeReadableHistoryForTab(meta.id, meta, "open-topic", navigationSeq, () => |
| 4727 | navigationCompletionCurrent(navigationSeq, "topic.activate.history", meta.id) |
| 4728 | && activeTabIdRef.current === meta.id, |
| 4729 | ); |
| 4730 | } |
| 4731 | if (pending.terminal && pendingTopicActivationRef.current === pending) { |
| 4732 | // The terminal event beat the ticket resolution; process it now. |
| 4733 | handleTopicActivationEvent(pending.terminal); |
| 4734 | } |
| 4735 | return meta; |
| 4736 | }, [beginActiveNavigation, confirmBackendActiveTab, dispatchRuntimeStatusForTab, dispatchTo, handleTopicActivationEvent, navigationCompletionCurrent, primeReadableHistoryForTab, reassertVisibleTabAfterStaleNavigation, requireRegisteredNavigationIntent, snapshotNavigationSourceTab]); |
| 4737 | |
| 4738 | // Ensure a blank tab exists for the given scope — reuses an existing one |
| 4739 | // or creates a new tab, then loads its session data. |
| 4740 | const ensureBlankTab = useCallback(async (scope: string, workspaceRoot: string, navigationIntentSeq?: number): Promise<TabMeta> => { |
| 4741 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4742 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4743 | snapshotNavigationSourceTab(navigationSeq); |
| 4744 | const snapshotAt = promptEventClock(); |
| 4745 | const meta = await app.EnsureBlankTab(scope, workspaceRoot); |
| 4746 | if (!navigationCompletionCurrent(navigationSeq, "tab.ensure-blank", meta.id)) { |
| 4747 | await reassertVisibleTabAfterStaleNavigation("tab.ensure-blank", meta.id); |
| 4748 | return meta; |
| 4749 | } |
| 4750 | // EnsureBlankTab may return a tab id already present in local state. |
| 4751 | // Invalidate its old hydration and force a fresh history read, otherwise a |
| 4752 | // late request can restore orphaned tool cards from the prior session. |
| 4753 | invalidateCheckpoints(meta.id); |
| 4754 | const isNewTab = !statesRef.current.has(meta.id); |
| 4755 | setActiveTabId(meta.id); |
| 4756 | activeTabIdRef.current = meta.id; |
| 4757 | confirmBackendActiveTab(meta.id); |
| 4758 | dispatchTo(meta.id, { type: "optimistic_meta", meta: metaFromTab(meta, statesRef.current.get(meta.id)?.meta) }); |
| 4759 | dispatchRuntimeStatusForTab(meta.id, meta, snapshotAt); |
| 4760 | const load = loadSessionDataForTab(meta.id, true, "new-session", { |
| 4761 | surfacePolicy: "replace-surface", ...sessionIdentityFields(meta), |
| 4762 | }); |
| 4763 | monitorNavigationHydration(navigationSeq, meta.id, load, isNewTab ? () => reconcileTabRuntime(meta.id, RUNTIME_STATUS_ONLY) : undefined); |
| 4764 | return meta; |
| 4765 | }, [beginActiveNavigation, invalidateCheckpoints, confirmBackendActiveTab, dispatchRuntimeStatusForTab, dispatchTo, loadSessionDataForTab, monitorNavigationHydration, navigationCompletionCurrent, reassertVisibleTabAfterStaleNavigation, reconcileTabRuntime, requireRegisteredNavigationIntent, snapshotNavigationSourceTab]); |
| 4766 | |
| 4767 | const ensureBlankSurface = useCallback(async (scope: string, workspaceRoot: string, navigationIntentSeq?: number): Promise<TabMeta> => { |
| 4768 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4769 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4770 | snapshotNavigationSourceTab(navigationSeq); |
| 4771 | const snapshotAt = promptEventClock(); |
| 4772 | const meta = await app.EnsureBlankSurface(scope, workspaceRoot); |
| 4773 | if (!navigationCompletionCurrent(navigationSeq, "surface.ensure-blank", meta.id)) { |
| 4774 | await reassertVisibleTabAfterStaleNavigation("surface.ensure-blank", meta.id); |
| 4775 | return meta; |
| 4776 | } |
| 4777 | setActiveTabId(meta.id); |
| 4778 | activeTabIdRef.current = meta.id; |
| 4779 | confirmBackendActiveTab(meta.id); |
| 4780 | dispatchTo(meta.id, { type: "optimistic_meta", meta: metaFromTab(meta, statesRef.current.get(meta.id)?.meta) }); |
| 4781 | dispatchRuntimeStatusForTab(meta.id, meta, snapshotAt); |
| 4782 | const load = loadSessionDataForTab(meta.id, true, "new-session", { |
| 4783 | surfacePolicy: "replace-surface", ...sessionIdentityFields(meta), |
| 4784 | }); |
| 4785 | monitorNavigationHydration(navigationSeq, meta.id, load, () => reconcileTabRuntime(meta.id, RUNTIME_STATUS_ONLY)); |
| 4786 | return meta; |
| 4787 | }, [beginActiveNavigation, confirmBackendActiveTab, dispatchRuntimeStatusForTab, dispatchTo, loadSessionDataForTab, monitorNavigationHydration, navigationCompletionCurrent, reassertVisibleTabAfterStaleNavigation, reconcileTabRuntime, requireRegisteredNavigationIntent, snapshotNavigationSourceTab]); |
| 4788 | |
| 4789 | const createIsolatedWorktree = useCallback(async (workspaceRoot: string, navigationIntentSeq?: number): Promise<DeliveryWorktreeOpenResult> => { |
| 4790 | const navigationSeq = navigationIntentSeq ?? beginActiveNavigation(); |
| 4791 | await requireRegisteredNavigationIntent(navigationSeq); |
| 4792 | snapshotNavigationSourceTab(navigationSeq); |
| 4793 | const snapshotAt = promptEventClock(); |
| 4794 | const result = await app.CreateIsolatedWorktree(workspaceRoot); |
| 4795 | const meta = result.tab; |
| 4796 | if (!navigationCompletionCurrent(navigationSeq, "tab.isolated-worktree", meta.id)) { |
| 4797 | await reassertVisibleTabAfterStaleNavigation("tab.isolated-worktree", meta.id); |
| 4798 | return result; |
| 4799 | } |
| 4800 | const prevState = statesRef.current.get(meta.id); |
| 4801 | const isNewTab = !prevState; |
| 4802 | const sameSession = sameSessionHydrateIdentity(meta, prevState?.meta); |
| 4803 | setActiveTabId(meta.id); |
| 4804 | activeTabIdRef.current = meta.id; |
| 4805 | confirmBackendActiveTab(meta.id); |
| 4806 | dispatchTo(meta.id, { type: "optimistic_meta", meta: metaFromTab(meta, statesRef.current.get(meta.id)?.meta) }); |
| 4807 | dispatchRuntimeStatusForTab(meta.id, meta, snapshotAt); |
| 4808 | const load = loadSessionDataForTab(meta.id, !sameSession, "open-topic", { |
| 4809 | placeholderItems: sameSessionPlaceholderItems(meta, prevState), surfacePolicy: sameSession ? "preserve-current" : "replace-surface", |
| 4810 | ...sessionIdentityFields(meta), sessionRevision: meta.sessionRevision, sessionDigest: meta.sessionDigest, |
| 4811 | }); |
| 4812 | monitorNavigationHydration(navigationSeq, meta.id, load, isNewTab ? () => reconcileTabRuntime(meta.id, RUNTIME_STATUS_ONLY) : undefined); |
| 4813 | return result; |
| 4814 | }, [beginActiveNavigation, confirmBackendActiveTab, dispatchRuntimeStatusForTab, dispatchTo, loadSessionDataForTab, monitorNavigationHydration, navigationCompletionCurrent, reassertVisibleTabAfterStaleNavigation, reconcileTabRuntime, requireRegisteredNavigationIntent, snapshotNavigationSourceTab]); |
| 4815 | |
| 4816 | const commitSingleSurfaceNavigation = useCallback((tabId: string) => { |
| 4817 | if (!tabId || activeTabIdRef.current !== tabId) return false; |
| 4818 | for (const id of Array.from(statesRef.current.keys())) { |
| 4819 | if (id === tabId) continue; |
| 4820 | invalidateProviderStateForTab(id); |
| 4821 | disposeComposerProfileState(id); |
| 4822 | statesRef.current.delete(id); |
| 4823 | // Single-surface navigation only releases live ownership. Keep the |
| 4824 | // durable projection in the store's existing bounded LRU so reopening a |
| 4825 | // local session can paint immediately while its runtime reattaches. |
| 4826 | detachTranscriptState(id); |
| 4827 | // Without a follower, backend completion cannot clear a renderer pin. |
| 4828 | getTranscriptStore().setPinned(id, false); |
| 4829 | notifyLiveListeners(id); |
| 4830 | } |
| 4831 | return true; |
| 4832 | }, [detachTranscriptState, disposeComposerProfileState, invalidateProviderStateForTab, notifyLiveListeners]); |
| 4833 | |
| 4834 | const closeTab = useCallback(async ( |
| 4835 | tabId: string, |
| 4836 | policy: "keep_running" | "stop_and_close" = "keep_running", |
| 4837 | ): Promise<boolean> => { |
| 4838 | const navigationSeq = tabId === activeTabIdRef.current ? beginActiveNavigation() : undefined; |
| 4839 | try { |
| 4840 | if (navigationSeq !== undefined) await requireRegisteredNavigationIntent(navigationSeq); |
| 4841 | await app.CloseTabWithPolicy(tabId, policy); |
| 4842 | invalidateProviderStateForTab(tabId); |
| 4843 | disposeComposerProfileState(tabId); |
| 4844 | statesRef.current.delete(tabId); |
| 4845 | releaseTranscriptState(tabId); |
| 4846 | notifyLiveListeners(tabId); |
| 4847 | bump(); |
| 4848 | if (tabId === activeTabId) await syncActiveTabFromBackend(false); |
| 4849 | return true; |
| 4850 | } catch { |
| 4851 | return false; |
| 4852 | } |
| 4853 | }, [activeTabId, beginActiveNavigation, bump, disposeComposerProfileState, invalidateProviderStateForTab, notifyLiveListeners, releaseTranscriptState, requireRegisteredNavigationIntent, syncActiveTabFromBackend]); |
| 4854 | |
| 4855 | const reorderTabs = useCallback(async (tabIds: string[]) => { |
| 4856 | try { |
| 4857 | await app.ReorderTabs(tabIds); |
| 4858 | } catch { /* ignore */ } |
| 4859 | }, []); |
| 4860 | |
| 4861 | const projectedState = useMemo(() => { |
| 4862 | if (!runtimeState.known) return activeState; |
| 4863 | return { |
| 4864 | ...activeState, |
| 4865 | running: activeState.transcriptProtocol === 2 ? activeState.running : runtimeState.running ?? activeState.running, |
| 4866 | }; |
| 4867 | }, [activeState, runtimeState.known, runtimeState.running]); |
| 4868 | return { |
| 4869 | state: projectedState, |
| 4870 | liveStore, |
| 4871 | activeTabId, |
| 4872 | send, sendToTab, recoverDeliveryToTab, runShell, runShellForTab, steer, steerForTab, notice, |
| 4873 | cancel, cancelForTab, approve, approveForTab, isPromptCurrentForTab, resolvePlanDecision, resolvePlanDecisionForTab, |
| 4874 | resolveRecovery, resolveRecoveryForTab, answerQuestion, answerQuestionForTab, |
| 4875 | answerMCPInteraction, answerMCPInteractionForTab, setControllerMode, setControllerModeForTab, |
| 4876 | dismissExtensionForm, drainExtensionNotifications, |
| 4877 | setCollaborationMode, setCollaborationModeForTab, setToolApprovalMode, setToolApprovalModeForTab, setQualityFloor, setComposerProfileForTab, setGoal, setGoalForTab, editGoalForTab, clearGoal, clearGoalForTab, resumeGoal, resumeGoalForTab, pauseGoal, pauseGoalForTab, |
| 4878 | newSession, clearSession, listSessions, listTrashedSessions, retrySessionHistory, resumeSession, openChannelSession, previewSession, deleteSession, restoreSession, purgeTrashedSession, renameSession, |
| 4879 | loadOlderHistory, loadNewerHistory, navigateToTurn, |
| 4880 | requestHistoryFullContent, |
| 4881 | refreshMeta, pickWorkspace, switchWorkspace, compact, rewind, rewindForTab, rewindForTabDetailed, undoRewindForTab, forkTurnForTab, setModel, setModelForTab, setEffort, setEffortForTab, cancelJob, |
| 4882 | fetchMemory, remember, forget, saveDoc, |
| 4883 | switchTab, switchRemoteTab, openProjectTab, openGlobalTab, openTopicSession, ensureBlankTab, activateTopic, ensureBlankSurface, createIsolatedWorktree, commitSingleSurfaceNavigation, closeTab, reorderTabs, |
| 4884 | // The App queue advances this at enqueue time, before an older activation |
| 4885 | // can finish and prune the surface selected by the newer click. |
| 4886 | noteNavigationIntent: beginActiveNavigation, |
| 4887 | currentNavigationIntent, |
| 4888 | registeredNavigationIntent, |
| 4889 | isNavigationIntentCurrent, |
| 4890 | reassertVisibleTabAfterStaleNavigation, |
| 4891 | syncActiveTab: syncActiveTabFromBackend, |
| 4892 | openCanonicalSession, |
| 4893 | }; |
| 4894 | } |
| 4895 |