| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "bufio" |
| 5 | "bytes" |
| 6 | "context" |
| 7 | "encoding/json" |
| 8 | "fmt" |
| 9 | "io" |
| 10 | "log" |
| 11 | "net/http" |
| 12 | "strconv" |
| 13 | "strings" |
| 14 | "time" |
| 15 | |
| 16 | "reasonix/internal/agent" |
| 17 | "reasonix/internal/control" |
| 18 | "reasonix/internal/event" |
| 19 | ) |
| 20 | |
| 21 | // The remote-tab bridge exchanges its pre-shared token for an HttpOnly |
| 22 | // session cookie over the loopback tunnel. Subsequent API and SSE requests |
| 23 | // use that cookie, keeping the token out of request lines and access logs. |
| 24 | |
| 25 | const remoteTabStreamOpenStability = 50 * time.Millisecond |
| 26 | |
| 27 | func remoteSessionTransitionBusy(err error) bool { |
| 28 | if err == nil { |
| 29 | return false |
| 30 | } |
| 31 | message := err.Error() |
| 32 | return strings.Contains(message, "while a turn is running") || |
| 33 | strings.Contains(message, "while another session change is in progress") || |
| 34 | strings.Contains(message, "session is finishing background teardown") |
| 35 | } |
| 36 | |
| 37 | // attachRemoteTabServe starts the event pump before entering the session so |
| 38 | // /new or /resume frames are not missed. The caller's context owns the pump; |
| 39 | // handshake and session entry use a bounded child context. |
| 40 | func (a *App) attachRemoteTabServe(ctx context.Context, tabID, base, token, instanceID string, opts RemoteTabOpenOptions) (bool, error) { |
| 41 | callCtx, cancel := context.WithTimeout(ctx, 30*time.Second) |
| 42 | defer cancel() |
| 43 | |
| 44 | client, err := newServeHTTPClient(base) |
| 45 | if err != nil { |
| 46 | return false, err |
| 47 | } |
| 48 | capabilities, err := serveHandshakeCapabilities(callCtx, client, base, token) |
| 49 | if err != nil { |
| 50 | log.Printf("[remote] attachRemoteTabServe: handshake FAILED tab=%s base=%q err=%v", tabID, base, err) |
| 51 | return false, err |
| 52 | } |
| 53 | a.remoteTabMu.Lock() |
| 54 | tab := a.remoteTabs[tabID] |
| 55 | a.remoteTabMu.Unlock() |
| 56 | if tab == nil { |
| 57 | return false, fmt.Errorf("remote tab %q closed during bootstrap", tabID) |
| 58 | } |
| 59 | a.remoteTabMu.Lock() |
| 60 | if current := a.remoteTabs[tabID]; current == tab { |
| 61 | tab.capabilities = make(map[string]bool, len(capabilities)) |
| 62 | for _, capability := range capabilities { |
| 63 | tab.capabilities[capability] = true |
| 64 | } |
| 65 | } |
| 66 | a.remoteTabMu.Unlock() |
| 67 | tab.sessionMu.Lock() |
| 68 | defer tab.sessionMu.Unlock() |
| 69 | |
| 70 | // Resolve every non-new target before opening the all-session pump. A |
| 71 | // detached controller may replay pending prompts as soon as /resume starts; |
| 72 | // publishing its route first keeps those frames on the foreground surface. |
| 73 | focusOnly := !opts.NewSession && strings.TrimSpace(opts.SessionName) == "" && strings.TrimSpace(opts.SessionPath) == "" && strings.TrimSpace(opts.SessionID) == "" |
| 74 | var target serveSessionEntry |
| 75 | if !opts.NewSession { |
| 76 | target, err = preflightRemoteSessionTarget(callCtx, client, base, opts) |
| 77 | if err != nil { |
| 78 | return false, err |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | pumpCtx, gen, attachPathRevision, err := a.installRemoteTabAttachPump(ctx, tabID, tab, client, base, token, remoteSessionRoute(target), !opts.NewSession) |
| 83 | if err != nil { |
| 84 | return false, err |
| 85 | } |
| 86 | |
| 87 | opened := make(chan error, 1) |
| 88 | a.goRemoteTabSafe("remoteTabPump", func() { a.remoteTabPump(pumpCtx, tabID, gen, opened) }) |
| 89 | select { |
| 90 | case err = <-opened: |
| 91 | if err != nil { |
| 92 | a.retireRemoteTabGeneration(tabID, gen) |
| 93 | return false, err |
| 94 | } |
| 95 | case <-callCtx.Done(): |
| 96 | a.retireRemoteTabGeneration(tabID, gen) |
| 97 | return false, callCtx.Err() |
| 98 | } |
| 99 | entered := true |
| 100 | if !focusOnly { |
| 101 | enterOpts := opts |
| 102 | if !opts.NewSession { |
| 103 | enterOpts.SessionName, enterOpts.SessionPath, enterOpts.SessionID, enterOpts.SessionTitle = target.Name, target.Path, target.SessionID, target.Title |
| 104 | } |
| 105 | target, err = enterRemoteSessionTarget(callCtx, client, base, enterOpts) |
| 106 | entered = err == nil && !target.TakenOver |
| 107 | } |
| 108 | if err == nil && target.TakenOver { |
| 109 | // The serve mounted this caller as a read-only spectator (another |
| 110 | // runtime owns the session writer). The tab stays attached to render |
| 111 | // the file/mirrored view and the take-back banner drives /reclaim. |
| 112 | log.Printf("[remote] attachRemoteTabServe: enterRemoteSession SPECTATOR (writer owned elsewhere) tab=%s session=%q", tabID, remoteSessionRoute(target)) |
| 113 | } |
| 114 | if err != nil { |
| 115 | // A busy serve refuses session transitions with 409 but retains its |
| 116 | // usable current session. Keep the attach so pending work remains visible. |
| 117 | if remoteSessionTransitionBusy(err) { |
| 118 | log.Printf("[remote] attachRemoteTabServe: enterRemoteSession BUSY (attached to current session) tab=%s err=%v", tabID, err) |
| 119 | entered = false |
| 120 | target, _ = serveCurrentSession(callCtx, client, base) |
| 121 | } else if remoteSessionTakenOver(err) { |
| 122 | // A local runtime on the serve host owns the session. Pin the tab to |
| 123 | // the requested session as a read-only spectator: the mirror's frames |
| 124 | // route here, /history and /status serve the file-backed view, and |
| 125 | // the take-back banner drives /reclaim. No serve-frontend transition |
| 126 | // ran, but the tab must stay attached to render the mirror. |
| 127 | log.Printf("[remote] attachRemoteTabServe: enterRemoteSession TAKEN OVER (read-only spectator) tab=%s session=%q err=%v", tabID, target.Path, err) |
| 128 | entered = false |
| 129 | if remoteSessionRoute(target) == "" { |
| 130 | current, _ := serveCurrentSession(callCtx, client, base) |
| 131 | target = current |
| 132 | } |
| 133 | target.TakenOver = true |
| 134 | } else { |
| 135 | log.Printf("[remote] attachRemoteTabServe: enterRemoteSession FAILED tab=%s err=%v", tabID, err) |
| 136 | a.retireRemoteTabGeneration(tabID, gen) |
| 137 | return false, err |
| 138 | } |
| 139 | } |
| 140 | if !a.commitRemoteTabAttachResponse(tabID, tab, gen, attachPathRevision, target, opts.NewSession) { |
| 141 | entered = false |
| 142 | } |
| 143 | if !a.waitRemoteTabStreamStable(callCtx, tabID, gen) { |
| 144 | return false, fmt.Errorf("remote tab %q event stream closed during session attach", tabID) |
| 145 | } |
| 146 | a.remoteTabMu.Lock() |
| 147 | if current := a.remoteTabs[tabID]; current == tab && current.gen == gen { |
| 148 | current.session.instanceID = instanceID |
| 149 | } |
| 150 | a.remoteTabMu.Unlock() |
| 151 | // A 200 response is only the stream-open barrier. The stream can still die |
| 152 | // while /new or /resume is in flight; publish readiness only if its pump has |
| 153 | // not already moved this same generation into reconnecting/error. |
| 154 | if !a.markRemoteTabAttached(tabID, gen) { |
| 155 | return false, fmt.Errorf("remote tab %q event stream closed during session attach", tabID) |
| 156 | } |
| 157 | return entered, nil |
| 158 | } |
| 159 | |
| 160 | // commitRemoteTabAttachResponse applies an attach response only while it still |
| 161 | // owns the foreground route. A session_changed frame for a newer adoption is |
| 162 | // authoritative even when the older /new or /resume response arrives later. |
| 163 | func (a *App) commitRemoteTabAttachResponse(tabID string, tab *remoteTab, gen, requestPathRevision uint64, target serveSessionEntry, reset bool) bool { |
| 164 | tab.routeEventMu.Lock() |
| 165 | defer tab.routeEventMu.Unlock() |
| 166 | a.remoteTabMu.Lock() |
| 167 | defer a.remoteTabMu.Unlock() |
| 168 | current := a.remoteTabs[tabID] |
| 169 | if current != tab || current.gen != gen { |
| 170 | return false |
| 171 | } |
| 172 | target.Path = strings.TrimSpace(target.Path) |
| 173 | route := remoteSessionRoute(target) |
| 174 | if current.routing.pathRevision != requestPathRevision && current.routing.currentPath != route { |
| 175 | return false |
| 176 | } |
| 177 | alreadyAdopted := current.routing.pathRevision != requestPathRevision |
| 178 | if !alreadyAdopted { |
| 179 | commitRemoteTabAttachRoute(current, route, reset) |
| 180 | } |
| 181 | current.session.takenOver = target.TakenOver |
| 182 | current.session.path = target.Path |
| 183 | current.session.sessionID = target.SessionID |
| 184 | if name := strings.TrimSpace(target.Name); name != "" { |
| 185 | current.session.name = name |
| 186 | } |
| 187 | if title := strings.TrimSpace(target.Title); title != "" { |
| 188 | current.topicTitle = title |
| 189 | } |
| 190 | if current.routing.running == nil { |
| 191 | current.routing.running = map[string]bool{} |
| 192 | } |
| 193 | return true |
| 194 | } |
| 195 | |
| 196 | func (a *App) waitRemoteTabStreamStable(ctx context.Context, tabID string, gen uint64) bool { |
| 197 | timer := time.NewTimer(remoteTabStreamOpenStability) |
| 198 | defer timer.Stop() |
| 199 | select { |
| 200 | case <-ctx.Done(): |
| 201 | return false |
| 202 | case <-timer.C: |
| 203 | return a.remoteTabGenerationCurrent(tabID, gen) |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | func (a *App) markRemoteTabAttached(tabID string, gen uint64) bool { |
| 208 | a.remoteTabMu.Lock() |
| 209 | defer a.remoteTabMu.Unlock() |
| 210 | tab := a.remoteTabs[tabID] |
| 211 | if tab == nil || tab.gen != gen || tab.state != "connecting" { |
| 212 | return false |
| 213 | } |
| 214 | tab.attachedGen = gen |
| 215 | return true |
| 216 | } |
| 217 | |
| 218 | func (a *App) publishRemoteTabAttachedReady(tabID string, gen uint64) bool { |
| 219 | tab := a.lockRemoteTabPublication(tabID) |
| 220 | if tab == nil { |
| 221 | return false |
| 222 | } |
| 223 | a.remoteTabMu.Lock() |
| 224 | if a.remoteTabs[tabID] != tab || tab.gen != gen || tab.attachedGen != gen || tab.state != "connecting" { |
| 225 | a.remoteTabMu.Unlock() |
| 226 | tab.routeEventMu.Unlock() |
| 227 | return false |
| 228 | } |
| 229 | tab.attachedGen = 0 |
| 230 | tab.state = "ready" |
| 231 | tab.err = "" |
| 232 | a.remoteTabMu.Unlock() |
| 233 | a.emitRemoteEvent(fmt.Sprintf("remote-tab:%s:state", tabID), RemoteTabStateView{State: "ready"}) |
| 234 | tab.routeEventMu.Unlock() |
| 235 | a.applyPendingRemoteTabOpenSelection(tabID) |
| 236 | return true |
| 237 | } |
| 238 | |
| 239 | func (a *App) remoteTabGenerationCurrent(tabID string, gen uint64) bool { |
| 240 | a.remoteTabMu.Lock() |
| 241 | defer a.remoteTabMu.Unlock() |
| 242 | tab := a.remoteTabs[tabID] |
| 243 | return tab != nil && tab.gen == gen |
| 244 | } |
| 245 | |
| 246 | // remoteTabPump forwards Serve events for one tab generation. Cancellation, |
| 247 | // stream death, or a generation mismatch retires the pump. |
| 248 | func (a *App) remoteTabPump(ctx context.Context, tabID string, gen uint64, opened chan<- error) { |
| 249 | signalOpened := func(err error) { |
| 250 | if opened == nil { |
| 251 | return |
| 252 | } |
| 253 | select { |
| 254 | case opened <- err: |
| 255 | default: |
| 256 | } |
| 257 | opened = nil |
| 258 | } |
| 259 | a.remoteTabMu.Lock() |
| 260 | tab := a.remoteTabs[tabID] |
| 261 | var client *http.Client |
| 262 | var base string |
| 263 | if tab != nil && tab.gen == gen { |
| 264 | client, base = tab.client, tab.base |
| 265 | } |
| 266 | a.remoteTabMu.Unlock() |
| 267 | if client == nil || base == "" { |
| 268 | if opened != nil { |
| 269 | opened <- fmt.Errorf("remote tab %q event stream was retired before opening", tabID) |
| 270 | } |
| 271 | return |
| 272 | } |
| 273 | |
| 274 | req, err := http.NewRequestWithContext(ctx, http.MethodGet, serveURL(base, "/events?all=1"), nil) |
| 275 | if err != nil { |
| 276 | signalOpened(err) |
| 277 | a.emitRemoteTabStateForGeneration(tabID, gen, "error", err.Error()) |
| 278 | return |
| 279 | } |
| 280 | req.Header.Set("Accept", "text/event-stream") |
| 281 | resp, err := client.Do(req) |
| 282 | if err != nil { |
| 283 | // Schedule recovery before signalling the opener: the reattach |
| 284 | // retirement bumps the generation first, so the opener's own retire |
| 285 | // for this error becomes a no-op instead of racing the recovery. |
| 286 | if ctx.Err() == nil { |
| 287 | log.Printf("[remote] remoteTabPump: /events DO-FAILED tab=%s err=%v", tabID, err) |
| 288 | // A tunnel that just dropped the old stream often refuses the |
| 289 | // replacement too; parking in error would strand a healthy tab. |
| 290 | // Route through the reattach loop, which re-ensures the server |
| 291 | // and retries while the transport heals. |
| 292 | a.startRemoteTabReattach(tabID, gen) |
| 293 | } |
| 294 | signalOpened(err) |
| 295 | return |
| 296 | } |
| 297 | defer resp.Body.Close() |
| 298 | if resp.StatusCode != http.StatusOK { |
| 299 | err = fmt.Errorf("serve /events: status %d", resp.StatusCode) |
| 300 | if ctx.Err() == nil { |
| 301 | log.Printf("[remote] remoteTabPump: /events BAD-STATUS tab=%s status=%d", tabID, resp.StatusCode) |
| 302 | a.startRemoteTabReattach(tabID, gen) |
| 303 | } |
| 304 | signalOpened(err) |
| 305 | return |
| 306 | } |
| 307 | signalOpened(nil) |
| 308 | scanner := bufio.NewScanner(resp.Body) |
| 309 | scanner.Buffer(make([]byte, 64<<10), serveEventMaxBytes) |
| 310 | for scanner.Scan() { |
| 311 | line := scanner.Text() |
| 312 | line = strings.TrimRight(line, "\r\n") |
| 313 | if !strings.HasPrefix(line, "data:") { |
| 314 | continue // ": ping" keepalives and other SSE fields |
| 315 | } |
| 316 | frame := strings.TrimSpace(strings.TrimPrefix(line, "data:")) |
| 317 | if frame == "" { |
| 318 | continue |
| 319 | } |
| 320 | if !a.remoteTabGenerationCurrent(tabID, gen) { |
| 321 | return |
| 322 | } |
| 323 | kind, framePath, current, reset := probeRemoteTabFrame(frame) |
| 324 | if kind == "runtime_state" { |
| 325 | a.acceptRemoteRuntimeFrame(tabID, gen, framePath, json.RawMessage(frame)) |
| 326 | continue |
| 327 | } |
| 328 | // A takeover notice for the session this tab is viewing flips the |
| 329 | // spectator pin live: the entry-time probe only runs when the tab |
| 330 | // enters a session, so a mid-view takeover (or its reversal) would |
| 331 | // otherwise leave the banner and the composer locked to stale state. |
| 332 | if kind == "notice" && framePath != "" && |
| 333 | (strings.Contains(frame, event.NoticeCodeSessionTakenOver) || |
| 334 | strings.Contains(frame, event.NoticeCodeSessionReclaimed)) { |
| 335 | a.goRemoteTabSafe("remoteTabTakeoverNoticeProbe", func() { |
| 336 | a.probeSpectatorAfterNotice(tabID, gen, client, base, framePath) |
| 337 | }) |
| 338 | } |
| 339 | if !a.routeRemoteTabWireFrame(tabID, gen, framePath, kind, current, reset) { |
| 340 | continue |
| 341 | } |
| 342 | if a.bufferRemoteTabResumeFrame(tabID, gen, framePath, kind, json.RawMessage(frame)) { |
| 343 | continue |
| 344 | } |
| 345 | a.publishRemoteTabFrame(tabID, gen, framePath, kind, json.RawMessage(frame)) |
| 346 | } |
| 347 | if err := scanner.Err(); err != nil { |
| 348 | log.Printf("[remote] remoteTabPump: READ-EXIT tab=%s gen=%d err=%v ctxErr=%v", tabID, gen, err, ctx.Err()) |
| 349 | } |
| 350 | // Only the current generation reacts to an unexpected stream death. |
| 351 | // Reattach now; the host status hook also retries on connection recovery. |
| 352 | if ctx.Err() == nil { |
| 353 | a.startRemoteTabReattach(tabID, gen) |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | func (a *App) completeRemoteTabTurn(tabID string, gen uint64) { |
| 358 | a.remoteTabMu.Lock() |
| 359 | tab := a.remoteTabs[tabID] |
| 360 | if tab == nil || tab.gen != gen { |
| 361 | a.remoteTabMu.Unlock() |
| 362 | return |
| 363 | } |
| 364 | tab.runtime.revision++ |
| 365 | tab.pendingEvents = nil |
| 366 | tab.runtime.running = false |
| 367 | tab.runtime.turnStartedAt = 0 |
| 368 | tab.runtime.pendingPrompt = false |
| 369 | tab.runtime.cancelRequested = false |
| 370 | tab.runtime.cancellable = tab.runtime.backgroundJobs > 0 |
| 371 | // A completed turn makes the fresh session non-blank even when the |
| 372 | // best-effort /sessions title lookup fails. New Topic must never reuse |
| 373 | // a conversation that already has a completed turn. |
| 374 | tab.session.reset = false |
| 375 | meta := remoteTabMetaLocked(tab) |
| 376 | a.remoteTabMu.Unlock() |
| 377 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 378 | } |
| 379 | |
| 380 | func (a *App) recordRemoteTabTurnStarted(tabID string, gen uint64, frame json.RawMessage) { |
| 381 | var payload struct { |
| 382 | TurnStartedAt int64 `json:"turnStartedAt"` |
| 383 | } |
| 384 | _ = json.Unmarshal(frame, &payload) |
| 385 | if payload.TurnStartedAt <= 0 { |
| 386 | payload.TurnStartedAt = time.Now().UnixMilli() |
| 387 | } |
| 388 | a.remoteTabMu.Lock() |
| 389 | tab := a.remoteTabs[tabID] |
| 390 | if tab == nil || tab.gen != gen { |
| 391 | a.remoteTabMu.Unlock() |
| 392 | return |
| 393 | } |
| 394 | tab.runtime.revision++ |
| 395 | tab.runtime.running = true |
| 396 | tab.runtime.turnStartedAt = payload.TurnStartedAt |
| 397 | tab.runtime.pendingPrompt = false |
| 398 | tab.runtime.cancelRequested = false |
| 399 | tab.runtime.cancellable = true |
| 400 | meta := remoteTabMetaLocked(tab) |
| 401 | a.remoteTabMu.Unlock() |
| 402 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 403 | } |
| 404 | |
| 405 | func (a *App) cacheRemotePendingEvent(tabID string, gen uint64, kind string, frame json.RawMessage) { |
| 406 | key := remotePendingEventKey(kind, frame) |
| 407 | a.remoteTabMu.Lock() |
| 408 | tab := a.remoteTabs[tabID] |
| 409 | if tab == nil || tab.gen != gen { |
| 410 | a.remoteTabMu.Unlock() |
| 411 | return |
| 412 | } |
| 413 | tab.runtime.revision++ |
| 414 | if tab.pendingEvents == nil { |
| 415 | tab.pendingEvents = make(map[string]json.RawMessage) |
| 416 | } |
| 417 | tab.pendingEvents[key] = append(json.RawMessage(nil), frame...) |
| 418 | tab.runtime.pendingPrompt = true |
| 419 | tab.runtime.cancellable = true |
| 420 | meta := remoteTabMetaLocked(tab) |
| 421 | a.remoteTabMu.Unlock() |
| 422 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 423 | } |
| 424 | |
| 425 | func (a *App) clearRemotePendingEvent(tabID, kind, callID string) { |
| 426 | a.remoteTabMu.Lock() |
| 427 | var meta TabMeta |
| 428 | changed := false |
| 429 | if tab := a.remoteTabs[tabID]; tab != nil { |
| 430 | tab.runtime.revision++ |
| 431 | delete(tab.pendingEvents, kind+":"+strings.TrimSpace(callID)) |
| 432 | pending := len(tab.pendingEvents) > 0 |
| 433 | changed = tab.runtime.pendingPrompt != pending |
| 434 | tab.runtime.pendingPrompt = pending |
| 435 | meta = remoteTabMetaLocked(tab) |
| 436 | } |
| 437 | a.remoteTabMu.Unlock() |
| 438 | if changed { |
| 439 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | // serveGet fetches a JSON member of the tab snapshot, returning the raw |
| 444 | // payload for verbatim passthrough. |
| 445 | func serveGet(ctx context.Context, client *http.Client, url string, expectedPath ...string) (json.RawMessage, error) { |
| 446 | req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil) |
| 447 | if err != nil { |
| 448 | return nil, err |
| 449 | } |
| 450 | if len(expectedPath) != 0 && strings.TrimSpace(expectedPath[0]) != "" { |
| 451 | if sessionID, ok := strings.CutPrefix(expectedPath[0], remoteSessionIDRoutePrefix); ok { |
| 452 | req.Header.Set(expectedSessionIDHeader, sessionID) |
| 453 | } else { |
| 454 | req.Header.Set(expectedSessionPathHeader, expectedPath[0]) |
| 455 | } |
| 456 | } |
| 457 | resp, err := client.Do(req) |
| 458 | if err != nil { |
| 459 | return nil, err |
| 460 | } |
| 461 | defer resp.Body.Close() |
| 462 | data, err := io.ReadAll(io.LimitReader(resp.Body, serveSnapshotMaxBytes+1)) |
| 463 | if err != nil { |
| 464 | return nil, err |
| 465 | } |
| 466 | if len(data) > serveSnapshotMaxBytes { |
| 467 | return nil, fmt.Errorf("%s: response exceeds %d bytes", url, serveSnapshotMaxBytes) |
| 468 | } |
| 469 | if resp.StatusCode != http.StatusOK { |
| 470 | return nil, fmt.Errorf("%s: status %d", url, resp.StatusCode) |
| 471 | } |
| 472 | return json.RawMessage(data), nil |
| 473 | } |
| 474 | |
| 475 | // commandContext bounds one proxied command. Boot context when available; |
| 476 | // the timeout keeps a wedged tunnel from hanging the binding call. |
| 477 | func commandContext(a *App) (context.Context, context.CancelFunc) { |
| 478 | ctx := a.bootContext() |
| 479 | if ctx == nil { |
| 480 | ctx = context.Background() |
| 481 | } |
| 482 | return context.WithTimeout(ctx, 15*time.Second) |
| 483 | } |
| 484 | |
| 485 | // remoteTabCommandClient resolves a tabID to its live serve client. A tab |
| 486 | // that has not finished bootstrap, is reconnecting, or has failed is an |
| 487 | // error, not a silent no-op. |
| 488 | func (a *App) remoteTabCommandClient(tabID string) (*http.Client, string, error) { |
| 489 | client, base, _, err := a.remoteTabCommandTarget(tabID) |
| 490 | return client, base, err |
| 491 | } |
| 492 | |
| 493 | func (a *App) remoteTabCommandTarget(tabID string) (*http.Client, string, string, error) { |
| 494 | a.remoteTabMu.Lock() |
| 495 | tab := a.remoteTabs[tabID] |
| 496 | var client *http.Client |
| 497 | var base, expectedPath string |
| 498 | switching := tab != nil && tab.routing.rehydratingPath != "" |
| 499 | usable := tab != nil && tab.client != nil && tab.state == "ready" && !switching |
| 500 | if usable { |
| 501 | client, base = tab.client, tab.base |
| 502 | expectedPath = tab.routing.currentPath |
| 503 | } |
| 504 | a.remoteTabMu.Unlock() |
| 505 | if !usable { |
| 506 | if switching { |
| 507 | return nil, "", "", fmt.Errorf("remote tab %q is switching sessions; wait for it to become ready", tabID) |
| 508 | } |
| 509 | return nil, "", "", fmt.Errorf("remote tab %q is not connected", tabID) |
| 510 | } |
| 511 | return client, base, expectedPath, nil |
| 512 | } |
| 513 | |
| 514 | // remoteTabAdmissionCurrent reports whether the tab still runs the generation |
| 515 | // a run-admission decision (model-settings revision or legacy skip) was made |
| 516 | // for. Generation 0 marks an ungated decision; any other replaced generation |
| 517 | // must be re-admitted so a reconnect's newer Serve never receives an unfenced |
| 518 | // request that was approved against the retired connection. |
| 519 | func (a *App) remoteTabAdmissionCurrent(tabID string, generation uint64) bool { |
| 520 | if generation == 0 { |
| 521 | return true |
| 522 | } |
| 523 | a.remoteTabMu.Lock() |
| 524 | defer a.remoteTabMu.Unlock() |
| 525 | tab := a.remoteTabs[tabID] |
| 526 | return tab != nil && tab.gen == generation |
| 527 | } |
| 528 | |
| 529 | func (a *App) isRemoteTab(tabID string) bool { |
| 530 | if strings.TrimSpace(tabID) == "" { |
| 531 | return false |
| 532 | } |
| 533 | a.remoteTabMu.Lock() |
| 534 | _, ok := a.remoteTabs[tabID] |
| 535 | a.remoteTabMu.Unlock() |
| 536 | return ok |
| 537 | } |
| 538 | |
| 539 | // remoteTabRefFor returns the host+workspace ref when tabID belongs to a |
| 540 | // remote tab; view builders use it to mark remote-shaped metas. |
| 541 | func (a *App) remoteTabRefFor(tabID string) (RemoteTabRef, bool) { |
| 542 | a.remoteTabMu.Lock() |
| 543 | defer a.remoteTabMu.Unlock() |
| 544 | if tab := a.remoteTabs[tabID]; tab != nil { |
| 545 | return tab.ref, true |
| 546 | } |
| 547 | return RemoteTabRef{}, false |
| 548 | } |
| 549 | |
| 550 | func (a *App) remoteTabCurrentModel(tabID string) (string, bool) { |
| 551 | if !a.isRemoteTab(tabID) { |
| 552 | return "", false |
| 553 | } |
| 554 | a.remoteTabMu.Lock() |
| 555 | tab := a.remoteTabs[tabID] |
| 556 | cur := "" |
| 557 | if tab != nil { |
| 558 | cur = tab.model |
| 559 | } |
| 560 | a.remoteTabMu.Unlock() |
| 561 | return cur, true |
| 562 | } |
| 563 | |
| 564 | // ReclaimRemoteTabSession takes a mirrored session back from the local |
| 565 | // runtime that took it over. Serve long-polls until the local writer yields, |
| 566 | // so this call can outlast a normal command timeout. |
| 567 | func (a *App) ReclaimRemoteTabSession(tabID string) error { |
| 568 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 569 | return err |
| 570 | } |
| 571 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 572 | if err != nil { |
| 573 | return err |
| 574 | } |
| 575 | if strings.TrimSpace(expectedPath) == "" { |
| 576 | return fmt.Errorf("remote tab %q has no active session", tabID) |
| 577 | } |
| 578 | observed, err := a.observeRemoteTabForReclaim(tabID, client) |
| 579 | if err != nil { |
| 580 | return err |
| 581 | } |
| 582 | observedTab, observedGen := observed.tab, observed.gen |
| 583 | stillCurrent := func(tab *remoteTab) bool { |
| 584 | return tab != nil && tab == observedTab && tab.client == client && tab.gen == observed.gen && |
| 585 | tab.runtime.revision == observed.runtimeRevision && tab.selectionRevision == observed.selectionRevision && |
| 586 | agent.CanonicalSessionPath(tab.routing.currentPath) == agent.CanonicalSessionPath(expectedPath) |
| 587 | } |
| 588 | reconcileOwnership := func() { a.reconcileRemoteTabReclaimOwnership(tabID, client, base, expectedPath, stillCurrent) } |
| 589 | // Short timeout: the serve caps un-mirrored reclaims at 10s and mirrored |
| 590 | // ones use the writer's cooperative heartbeat (seconds, not minutes). A |
| 591 | // long client-side timeout only hangs the UI button. |
| 592 | ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second) |
| 593 | defer cancel() |
| 594 | body, _ := json.Marshal(map[string]any{ |
| 595 | "sessionPath": expectedPath, |
| 596 | "mode": "wait", |
| 597 | "timeoutMs": 15000, |
| 598 | }) |
| 599 | resp, err := serveDo(ctx, client, http.MethodPost, serveURL(base, "/reclaim"), body) |
| 600 | if err != nil { |
| 601 | reconcileOwnership() |
| 602 | return fmt.Errorf("reclaim session: %w", err) |
| 603 | } |
| 604 | defer resp.Body.Close() |
| 605 | respBody, _ := io.ReadAll(io.LimitReader(resp.Body, 1<<16)) |
| 606 | if resp.StatusCode != http.StatusNoContent { |
| 607 | errMsg := strings.TrimSpace(string(respBody)) |
| 608 | // A failed reclaim is not proof that ownership changed — generation |
| 609 | // conflicts and transient 5xx included. Keep the spectator pin until a |
| 610 | // fenced probe proves this exact binding is no longer locally owned. |
| 611 | reconcileOwnership() |
| 612 | return fmt.Errorf("reclaim session: %s", errMsg) |
| 613 | } |
| 614 | // Reclaim succeeded: Serve now owns the session again. Clear the spectator |
| 615 | // pin immediately so the composer un-locks without waiting for the next |
| 616 | // status poll to observe takenOver=false. |
| 617 | observedTab.routeEventMu.Lock() |
| 618 | defer observedTab.routeEventMu.Unlock() |
| 619 | a.remoteTabMu.Lock() |
| 620 | if tab := a.remoteTabs[tabID]; stillCurrent(tab) { |
| 621 | tab.session.takenOver = false |
| 622 | // Fence status payloads reserved before this reclaim: they may still |
| 623 | // be in flight and carry the pre-reclaim takenOver=true, which would |
| 624 | // re-pin the spectator banner the moment ownership returned. |
| 625 | tab.ownership.reclaimRevision = tab.runtime.revision + 1 |
| 626 | deferBarrier := tab.runtime.running || tab.runtime.pendingPrompt |
| 627 | tab.ownership.readyBarrierPending = deferBarrier |
| 628 | meta := remoteTabMetaLocked(tab) |
| 629 | a.remoteTabMu.Unlock() |
| 630 | a.emitRemoteEvent("remote-tab:updated", meta) |
| 631 | // The spectator era froze the projection, so publish the ready barrier |
| 632 | // to re-hydrate the view and accept the re-owned writer's frames. Defer |
| 633 | // it mid-turn: the barrier bumps the frontend connection generation. |
| 634 | if !deferBarrier { |
| 635 | a.transitionRemoteTabStateLocked(tab, observedGen, "ready", "ready", "") |
| 636 | } |
| 637 | } else { |
| 638 | a.remoteTabMu.Unlock() |
| 639 | } |
| 640 | a.goRemoteTabSafe("reclaimStatusRefresh", func() { _, _ = a.RemoteTabStatus(tabID) }) |
| 641 | return nil |
| 642 | } |
| 643 | |
| 644 | func (a *App) CancelRemoteTab(tabID string) error { |
| 645 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 646 | return err |
| 647 | } |
| 648 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 649 | if err != nil { |
| 650 | return err |
| 651 | } |
| 652 | ctx, cancel := commandContext(a) |
| 653 | defer cancel() |
| 654 | return servePostForSession(ctx, client, serveURL(base, "/cancel"), nil, expectedPath) |
| 655 | } |
| 656 | |
| 657 | // ApproveRemoteTab answers a tool-approval request. Only one-shot and scoped |
| 658 | // session grants are supported; durable approval rules were intentionally |
| 659 | // removed from the permission model. |
| 660 | func (a *App) ApproveRemoteTab(tabID, callID, decision string) error { |
| 661 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 662 | return err |
| 663 | } |
| 664 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 665 | if err != nil { |
| 666 | return err |
| 667 | } |
| 668 | ctx, cancel := commandContext(a) |
| 669 | defer cancel() |
| 670 | decision = strings.ToLower(strings.TrimSpace(decision)) |
| 671 | allow, session := false, false |
| 672 | switch decision { |
| 673 | case "allow", "once": |
| 674 | allow = true |
| 675 | case "session": |
| 676 | allow, session = true, true |
| 677 | case "persist", "persistent", "project": |
| 678 | return fmt.Errorf("permanent remote approval is no longer supported") |
| 679 | case "deny": |
| 680 | default: |
| 681 | return fmt.Errorf("invalid remote approval decision %q", decision) |
| 682 | } |
| 683 | body, _ := json.Marshal(map[string]any{"id": callID, "allow": allow, "session": session, "persist": false}) |
| 684 | if err := servePostForSession(ctx, client, serveURL(base, "/approve"), body, expectedPath); err != nil { |
| 685 | return err |
| 686 | } |
| 687 | a.clearRemotePendingEvent(tabID, "approval_request", callID) |
| 688 | return nil |
| 689 | } |
| 690 | |
| 691 | // ResolveRemoteTabPlanDecision preserves the three distinct exit_plan_mode |
| 692 | // outcomes that the generic approval boolean cannot represent. Revision text |
| 693 | // travels in the same Serve request so the controller can durably stage it |
| 694 | // before resolving the approval; a tunnel failure can no longer split the |
| 695 | // decision from the requested revision. |
| 696 | func (a *App) ResolveRemoteTabPlanDecision(tabID, callID, action, feedback string) error { |
| 697 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 698 | return err |
| 699 | } |
| 700 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 701 | if err != nil { |
| 702 | return err |
| 703 | } |
| 704 | action = strings.ToLower(strings.TrimSpace(action)) |
| 705 | switch action { |
| 706 | case "start_execution", "revise_plan", "exit_plan": |
| 707 | default: |
| 708 | return fmt.Errorf("invalid remote plan decision %q", action) |
| 709 | } |
| 710 | ctx, cancel := commandContext(a) |
| 711 | defer cancel() |
| 712 | body, _ := json.Marshal(map[string]string{"id": callID, "action": action, "feedback": strings.TrimSpace(feedback)}) |
| 713 | if err := servePostForSession(ctx, client, serveURL(base, "/plan-decision"), body, expectedPath); err != nil { |
| 714 | return err |
| 715 | } |
| 716 | a.clearRemotePendingEvent(tabID, "approval_request", callID) |
| 717 | return nil |
| 718 | } |
| 719 | |
| 720 | type RemoteAskAnswer struct { |
| 721 | QuestionID string `json:"QuestionID"` |
| 722 | Selected []string `json:"Selected"` |
| 723 | } |
| 724 | |
| 725 | // AnswerRemoteTab preserves the batch ask id at the top level and sends every |
| 726 | // question's own id/selections in the Serve AskAnswer wire shape. |
| 727 | func (a *App) AnswerRemoteTab(tabID, callID string, answers []RemoteAskAnswer) error { |
| 728 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 729 | return err |
| 730 | } |
| 731 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 732 | if err != nil { |
| 733 | return err |
| 734 | } |
| 735 | ctx, cancel := commandContext(a) |
| 736 | defer cancel() |
| 737 | body, _ := json.Marshal(map[string]any{ |
| 738 | "id": callID, |
| 739 | "answers": answers, |
| 740 | }) |
| 741 | if err := servePostForSession(ctx, client, serveURL(base, "/answer"), body, expectedPath); err != nil { |
| 742 | return err |
| 743 | } |
| 744 | a.clearRemotePendingEvent(tabID, "ask_request", callID) |
| 745 | return nil |
| 746 | } |
| 747 | |
| 748 | func (a *App) SubmitRemoteTabExtensionForm(tabID, pluginID, surfaceID string, values map[string]any) error { |
| 749 | if err := a.remoteTabPost(tabID, "/extension-form", map[string]any{ |
| 750 | "pluginId": pluginID, "surfaceId": surfaceID, "values": values, |
| 751 | }); err != nil { |
| 752 | return err |
| 753 | } |
| 754 | a.clearRemotePendingExtensionForm(tabID, pluginID, surfaceID) |
| 755 | return nil |
| 756 | } |
| 757 | |
| 758 | // RewindRemoteTab rewinds to a checkpoint. Serve identifies checkpoints by |
| 759 | // TURN index and takes {turn, scope}; the checkpointID string is that turn. |
| 760 | func (a *App) RewindRemoteTab(tabID, checkpointID, scope string) error { |
| 761 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 762 | return err |
| 763 | } |
| 764 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 765 | if err != nil { |
| 766 | return err |
| 767 | } |
| 768 | ctx, cancel := commandContext(a) |
| 769 | defer cancel() |
| 770 | turn, convErr := strconv.Atoi(strings.TrimSpace(checkpointID)) |
| 771 | if convErr != nil { |
| 772 | return fmt.Errorf("invalid checkpoint id %q: want the turn index", checkpointID) |
| 773 | } |
| 774 | scope = strings.TrimSpace(scope) |
| 775 | switch scope { |
| 776 | case "code", "conversation", "both": |
| 777 | default: |
| 778 | return fmt.Errorf("invalid rewind scope %q", scope) |
| 779 | } |
| 780 | body, _ := json.Marshal(map[string]any{"turn": turn, "scope": scope}) |
| 781 | return servePostForSession(ctx, client, serveURL(base, "/rewind"), body, expectedPath) |
| 782 | } |
| 783 | |
| 784 | func (a *App) SetRemoteTabToolApprovalMode(tabID, mode string) error { |
| 785 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 786 | return err |
| 787 | } |
| 788 | if err := a.requireRemotePermissionPresets(tabID); err != nil { |
| 789 | return err |
| 790 | } |
| 791 | ctx, cancel := commandContext(a) |
| 792 | defer cancel() |
| 793 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 794 | if err != nil { |
| 795 | return err |
| 796 | } |
| 797 | snapshot, err := remotePermissionSnapshot(ctx, client, base, expectedPath) |
| 798 | if err != nil { |
| 799 | return err |
| 800 | } |
| 801 | _, err = setRemotePermissionPresetAt(ctx, client, base, expectedPath, mode, snapshot.Revision) |
| 802 | return err |
| 803 | } |
| 804 | |
| 805 | func setRemotePermissionPresetAt(ctx context.Context, client *http.Client, base, expectedPath, mode string, revision uint64) (control.PermissionSnapshot, error) { |
| 806 | var snapshot control.PermissionSnapshot |
| 807 | body, _ := json.Marshal(map[string]any{"preset": mode, "expectedRevision": revision}) |
| 808 | resp, err := serveDoForSession(ctx, client, http.MethodPost, serveURL(base, "/permission/preset"), body, expectedPath) |
| 809 | if err != nil { |
| 810 | return snapshot, err |
| 811 | } |
| 812 | defer resp.Body.Close() |
| 813 | if resp.StatusCode < 200 || resp.StatusCode >= 300 { |
| 814 | data, _ := io.ReadAll(io.LimitReader(resp.Body, 4<<10)) |
| 815 | return snapshot, fmt.Errorf("set remote permission preset: status %d: %s", resp.StatusCode, strings.TrimSpace(string(data))) |
| 816 | } |
| 817 | var envelope struct { |
| 818 | Snapshot control.PermissionSnapshot `json:"snapshot"` |
| 819 | } |
| 820 | if err := json.NewDecoder(io.LimitReader(resp.Body, 1<<20)).Decode(&envelope); err != nil { |
| 821 | return snapshot, fmt.Errorf("decode remote permission update: %w", err) |
| 822 | } |
| 823 | return envelope.Snapshot, nil |
| 824 | } |
| 825 | |
| 826 | func (a *App) SetRemoteTabComposerProfile(tabID, collaborationMode, toolApprovalMode, goal string) ([]string, error) { |
| 827 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 828 | return nil, err |
| 829 | } |
| 830 | if err := a.requireRemotePermissionPresets(tabID); err != nil { |
| 831 | return nil, err |
| 832 | } |
| 833 | if strings.EqualFold(strings.TrimSpace(collaborationMode), "goal") || strings.TrimSpace(goal) != "" { |
| 834 | if err := a.requireRemoteGoalLifecycle(tabID); err != nil { |
| 835 | return nil, err |
| 836 | } |
| 837 | } |
| 838 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 839 | if err != nil { |
| 840 | return nil, err |
| 841 | } |
| 842 | ctx, cancel := commandContext(a) |
| 843 | defer cancel() |
| 844 | snapshot, err := remotePermissionSnapshot(ctx, client, base, expectedPath) |
| 845 | if err != nil { |
| 846 | return nil, err |
| 847 | } |
| 848 | body, _ := json.Marshal(map[string]any{ |
| 849 | "collaborationMode": collaborationMode, |
| 850 | "toolApprovalMode": toolApprovalMode, |
| 851 | "goal": goal, |
| 852 | "expectedPermissionRevision": snapshot.Revision, |
| 853 | }) |
| 854 | resp, err := serveDoForSession(ctx, client, http.MethodPost, serveURL(base, "/composer-profile"), body, expectedPath) |
| 855 | if err != nil { |
| 856 | return nil, err |
| 857 | } |
| 858 | defer resp.Body.Close() |
| 859 | data, _ := io.ReadAll(io.LimitReader(resp.Body, 4<<10)) |
| 860 | if resp.StatusCode < 200 || resp.StatusCode >= 300 { |
| 861 | if message := strings.TrimSpace(string(data)); message != "" { |
| 862 | return nil, fmt.Errorf("%s: status %d: %s", serveURL(base, "/composer-profile"), resp.StatusCode, message) |
| 863 | } |
| 864 | return nil, fmt.Errorf("%s: status %d", serveURL(base, "/composer-profile"), resp.StatusCode) |
| 865 | } |
| 866 | if len(bytes.TrimSpace(data)) == 0 { |
| 867 | return []string{}, nil |
| 868 | } |
| 869 | var result struct { |
| 870 | DrainedApprovalIDs []string `json:"drainedApprovalIDs"` |
| 871 | } |
| 872 | if err := json.Unmarshal(data, &result); err != nil { |
| 873 | return nil, fmt.Errorf("decode remote composer profile response: %w", err) |
| 874 | } |
| 875 | return result.DrainedApprovalIDs, nil |
| 876 | } |
| 877 | |
| 878 | func remotePermissionSnapshot(ctx context.Context, client *http.Client, base, expectedPath string) (control.PermissionSnapshot, error) { |
| 879 | var snapshot control.PermissionSnapshot |
| 880 | resp, err := serveDoForSession(ctx, client, http.MethodGet, serveURL(base, "/permission"), nil, expectedPath) |
| 881 | if err != nil { |
| 882 | return snapshot, err |
| 883 | } |
| 884 | defer resp.Body.Close() |
| 885 | if resp.StatusCode < 200 || resp.StatusCode >= 300 { |
| 886 | data, _ := io.ReadAll(io.LimitReader(resp.Body, 4<<10)) |
| 887 | return snapshot, fmt.Errorf("query remote permission snapshot: status %d: %s", resp.StatusCode, strings.TrimSpace(string(data))) |
| 888 | } |
| 889 | if err := json.NewDecoder(io.LimitReader(resp.Body, 1<<20)).Decode(&snapshot); err != nil { |
| 890 | return snapshot, fmt.Errorf("decode remote permission snapshot: %w", err) |
| 891 | } |
| 892 | return snapshot, nil |
| 893 | } |
| 894 | |
| 895 | func revokeRemotePermissionGrantAt(ctx context.Context, client *http.Client, base, expectedPath, scope, target string, revision uint64) (control.PermissionSnapshot, error) { |
| 896 | var snapshot control.PermissionSnapshot |
| 897 | body, _ := json.Marshal(map[string]any{"scope": scope, "target": target, "expectedRevision": revision}) |
| 898 | resp, err := serveDoForSession(ctx, client, http.MethodPost, serveURL(base, "/permission/grants/revoke"), body, expectedPath) |
| 899 | if err != nil { |
| 900 | return snapshot, err |
| 901 | } |
| 902 | defer resp.Body.Close() |
| 903 | if resp.StatusCode < 200 || resp.StatusCode >= 300 { |
| 904 | data, _ := io.ReadAll(io.LimitReader(resp.Body, 4<<10)) |
| 905 | return snapshot, fmt.Errorf("revoke remote permission grant: status %d: %s", resp.StatusCode, strings.TrimSpace(string(data))) |
| 906 | } |
| 907 | if err := json.NewDecoder(io.LimitReader(resp.Body, 1<<20)).Decode(&snapshot); err != nil { |
| 908 | return snapshot, fmt.Errorf("decode remote permission revocation: %w", err) |
| 909 | } |
| 910 | return snapshot, nil |
| 911 | } |
| 912 | |
| 913 | func (a *App) requireRemotePermissionPresets(tabID string) error { |
| 914 | a.remoteTabMu.Lock() |
| 915 | tab := a.remoteTabs[tabID] |
| 916 | supported := tab != nil && tab.capabilities["permission-presets-v1"] |
| 917 | a.remoteTabMu.Unlock() |
| 918 | if tab == nil { |
| 919 | return fmt.Errorf("remote tab %q is not open", tabID) |
| 920 | } |
| 921 | if !supported { |
| 922 | return fmt.Errorf("this remote Reasonix Serve is read-only because it does not support permission-presets-v1; upgrade the remote service to run tools or change permissions") |
| 923 | } |
| 924 | return nil |
| 925 | } |
| 926 | |
| 927 | // requireRemoteExecutionProtocol fences every state-changing command at the |
| 928 | // authenticated Serve capability boundary. A legacy Serve remains usable for |
| 929 | // history reads, but Desktop never emulates the v3 runtime over older RPCs. |
| 930 | func (a *App) requireRemoteExecutionProtocol(tabID string) error { |
| 931 | a.remoteTabMu.Lock() |
| 932 | tab := a.remoteTabs[tabID] |
| 933 | supported := tab != nil && tab.capabilities[serveCapabilityExecutionV2] && tab.capabilities[serveCapabilitySessions] && tab.capabilities[serveCapabilitySessionIdentityV1] && tab.capabilities[serveCapabilitySessionOwnershipV1] |
| 934 | a.remoteTabMu.Unlock() |
| 935 | if tab == nil { |
| 936 | return fmt.Errorf("remote tab %q is not open", tabID) |
| 937 | } |
| 938 | if !supported { |
| 939 | return fmt.Errorf("this remote Reasonix Serve is read-only because it does not support %s, %s, %s, and %s; upgrade the remote service to execute or control a session", serveCapabilityExecutionV2, serveCapabilitySessions, serveCapabilitySessionIdentityV1, serveCapabilitySessionOwnershipV1) |
| 940 | } |
| 941 | return nil |
| 942 | } |
| 943 | |
| 944 | func (a *App) SetRemoteTabGoal(tabID, goal string) error { |
| 945 | if err := a.requireRemoteExecutionProtocol(tabID); err != nil { |
| 946 | return err |
| 947 | } |
| 948 | if err := a.requireRemoteGoalLifecycle(tabID); err != nil { |
| 949 | return err |
| 950 | } |
| 951 | client, base, expectedPath, err := a.remoteTabCommandTarget(tabID) |
| 952 | if err != nil { |
| 953 | return err |
| 954 | } |
| 955 | ctx, cancel := commandContext(a) |
| 956 | defer cancel() |
| 957 | body, _ := json.Marshal(map[string]string{"goal": goal}) |
| 958 | return servePostForSession(ctx, client, serveURL(base, "/goal"), body, expectedPath) |
| 959 | } |
| 960 | |
| 961 | func (a *App) requireRemoteGoalLifecycle(tabID string) error { |
| 962 | a.remoteTabMu.Lock() |
| 963 | tab := a.remoteTabs[tabID] |
| 964 | supported := tab != nil && tab.capabilities[serveCapabilityGoalLifecycleV2] |
| 965 | a.remoteTabMu.Unlock() |
| 966 | if tab == nil { |
| 967 | return fmt.Errorf("remote tab %q is not open", tabID) |
| 968 | } |
| 969 | if !supported { |
| 970 | return fmt.Errorf("this remote Reasonix Serve does not support %s; upgrade it before creating or controlling goals", serveCapabilityGoalLifecycleV2) |
| 971 | } |
| 972 | return nil |
| 973 | } |
| 974 | |
| 975 | func (a *App) SetRemoteTabQualityFloor(tabID, floor string) error { |
| 976 | return a.validateRemoteQualityFloor(tabID, floor) |
| 977 | } |
| 978 |