| 1 | //! Session management for resuming conversations. |
| 2 | //! |
| 3 | //! This module provides functionality for: |
| 4 | //! - Saving sessions to disk |
| 5 | //! - Listing previous sessions |
| 6 | //! - Resuming sessions by ID |
| 7 | //! - Managing session lifecycle |
| 8 | |
| 9 | use crate::artifacts::ArtifactRecord; |
| 10 | use crate::config::ApiProvider; |
| 11 | use crate::model_routing::AutoRouteReceipt; |
| 12 | use crate::models::{ContentBlock, Message, SystemPrompt}; |
| 13 | use crate::tools::plan::PlanSnapshot; |
| 14 | use crate::tools::todo::TodoListSnapshot; |
| 15 | use crate::tui::file_mention::ContextReference; |
| 16 | use crate::utils::write_atomic; |
| 17 | use crate::work_graph::ReasoningEffortTier; |
| 18 | use chrono::{DateTime, Utc}; |
| 19 | use serde::{Deserialize, Serialize}; |
| 20 | use std::collections::{BTreeMap, BTreeSet}; |
| 21 | use std::fs; |
| 22 | use std::io; |
| 23 | use std::path::{Component, Path, PathBuf}; |
| 24 | use uuid::Uuid; |
| 25 | |
| 26 | /// Maximum number of sessions to retain |
| 27 | const MAX_SESSIONS: usize = 50; |
| 28 | /// Maximum session title length, in `char`s. Matches the bound the session |
| 29 | /// picker's rename prompt has always enforced. |
| 30 | pub const MAX_SESSION_TITLE_CHARS: usize = 100; |
| 31 | const WORK_GRAPH_IMPORT_ARCHIVE_DIR: &str = ".work-graph-import-archive"; |
| 32 | const CURRENT_SESSION_SCHEMA_VERSION: u32 = 1; |
| 33 | const CURRENT_QUEUE_SCHEMA_VERSION: u32 = 1; |
| 34 | |
| 35 | const fn default_session_schema_version() -> u32 { |
| 36 | CURRENT_SESSION_SCHEMA_VERSION |
| 37 | } |
| 38 | |
| 39 | const fn default_queue_schema_version() -> u32 { |
| 40 | CURRENT_QUEUE_SCHEMA_VERSION |
| 41 | } |
| 42 | |
| 43 | fn normalize_managed_dir(path: PathBuf) -> std::io::Result<PathBuf> { |
| 44 | if path.as_os_str().is_empty() { |
| 45 | return Err(std::io::Error::new( |
| 46 | std::io::ErrorKind::InvalidInput, |
| 47 | "managed directory path cannot be empty", |
| 48 | )); |
| 49 | } |
| 50 | if path.components().any(|component| { |
| 51 | matches!( |
| 52 | component, |
| 53 | Component::ParentDir | Component::Prefix(_) | Component::RootDir |
| 54 | ) |
| 55 | }) && path.is_relative() |
| 56 | { |
| 57 | return Err(std::io::Error::new( |
| 58 | std::io::ErrorKind::InvalidInput, |
| 59 | "managed directory path cannot contain traversal components", |
| 60 | )); |
| 61 | } |
| 62 | if path.is_absolute() { |
| 63 | return Ok(path); |
| 64 | } |
| 65 | std::env::current_dir().map(|cwd| cwd.join(path)) |
| 66 | } |
| 67 | |
| 68 | /// Persisted queued message for offline/degraded mode. |
| 69 | #[derive(Debug, Clone, Serialize, Deserialize)] |
| 70 | pub struct QueuedSessionMessage { |
| 71 | pub display: String, |
| 72 | #[serde(default)] |
| 73 | pub skill_instruction: Option<String>, |
| 74 | #[serde(default)] |
| 75 | pub skill_provenance: Option<crate::plugins::types::PluginAuthority>, |
| 76 | } |
| 77 | |
| 78 | /// Persisted queue state for recovery after restart/crash. |
| 79 | #[derive(Debug, Clone, Serialize, Deserialize)] |
| 80 | pub struct OfflineQueueState { |
| 81 | #[serde(default = "default_queue_schema_version")] |
| 82 | pub schema_version: u32, |
| 83 | /// Session ID this queue belongs to. Queue is only restored when |
| 84 | /// resuming the same session to prevent stale messages leaking into new chats. |
| 85 | #[serde(default)] |
| 86 | pub session_id: Option<String>, |
| 87 | #[serde(default)] |
| 88 | pub messages: Vec<QueuedSessionMessage>, |
| 89 | #[serde(default)] |
| 90 | pub draft: Option<QueuedSessionMessage>, |
| 91 | } |
| 92 | |
| 93 | impl Default for OfflineQueueState { |
| 94 | fn default() -> Self { |
| 95 | Self { |
| 96 | schema_version: CURRENT_QUEUE_SCHEMA_VERSION, |
| 97 | session_id: None, |
| 98 | messages: Vec::new(), |
| 99 | draft: None, |
| 100 | } |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | /// Durable context-reference metadata attached to a user message. |
| 105 | #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] |
| 106 | pub struct SessionContextReference { |
| 107 | pub message_index: usize, |
| 108 | pub reference: ContextReference, |
| 109 | } |
| 110 | |
| 111 | /// Session metadata stored with each saved session |
| 112 | #[derive(Debug, Clone, Serialize, Deserialize)] |
| 113 | pub struct SessionMetadata { |
| 114 | /// Unique session identifier |
| 115 | pub id: String, |
| 116 | /// Human-readable title (derived from first message) |
| 117 | pub title: String, |
| 118 | /// When the session was created |
| 119 | pub created_at: DateTime<Utc>, |
| 120 | /// When the session was last updated |
| 121 | pub updated_at: DateTime<Utc>, |
| 122 | /// Number of messages in the session |
| 123 | pub message_count: usize, |
| 124 | /// Total tokens used |
| 125 | pub total_tokens: u64, |
| 126 | /// Model used for the session |
| 127 | pub model: String, |
| 128 | /// Provider used for the session model. Defaults for legacy saved sessions. |
| 129 | #[serde(default = "default_model_provider")] |
| 130 | pub model_provider: String, |
| 131 | /// Exact configured provider key. This is separate from `model_provider` |
| 132 | /// so old consumers can keep treating that field as the built-in provider |
| 133 | /// kind (`custom` for every named custom route). |
| 134 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 135 | pub model_provider_id: Option<String>, |
| 136 | /// Workspace directory |
| 137 | pub workspace: PathBuf, |
| 138 | /// Optional mode label (agent/plan/etc.) |
| 139 | #[serde(default)] |
| 140 | pub mode: Option<String>, |
| 141 | /// Accumulated cost data for persisted billing and high-water mark. |
| 142 | #[serde(default)] |
| 143 | pub cost: SessionCostSnapshot, |
| 144 | /// Source session id when this session was created with `deepseek fork`. |
| 145 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 146 | pub parent_session_id: Option<String>, |
| 147 | /// Source message count at fork time. This is intentionally coarse: |
| 148 | /// current saved sessions are linear JSON files, not per-entry trees. |
| 149 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 150 | pub forked_from_message_count: Option<usize>, |
| 151 | /// Cumulative turn duration in seconds (sum of completed turn elapsed |
| 152 | /// times). Persisted so the footer "worked" chip survives restarts |
| 153 | /// (#2038). |
| 154 | #[serde(default)] |
| 155 | pub cumulative_turn_secs: u64, |
| 156 | /// Durable archive flag (#2934 / #4397). Archived sessions stay on disk |
| 157 | /// and stay loadable; they are hidden from the default browse surfaces |
| 158 | /// and are never chosen by auto-resume. |
| 159 | /// |
| 160 | /// This mirrors `ThreadRecord::archived` in [`crate::runtime_threads`] so |
| 161 | /// the TUI session surfaces and the Runtime API/web dashboard project the |
| 162 | /// same lifecycle field instead of two divergent notions of "put away". |
| 163 | /// Additive and `skip_serializing_if`-guarded: sessions written before |
| 164 | /// v0.9.2 load as `archived = false` and round-trip byte-identically |
| 165 | /// until the flag is actually set. |
| 166 | #[serde(default, skip_serializing_if = "is_not_archived")] |
| 167 | pub archived: bool, |
| 168 | } |
| 169 | |
| 170 | fn is_not_archived(archived: &bool) -> bool { |
| 171 | !*archived |
| 172 | } |
| 173 | |
| 174 | /// Sessions currently owned by an in-process interactive surface (the TUI). |
| 175 | /// |
| 176 | /// A saved session is a file, and a running TUI holds the authoritative copy |
| 177 | /// in memory: it autosaves the whole document from `App` state. That makes an |
| 178 | /// out-of-band write to the *same* session unsafe — the next autosave would |
| 179 | /// silently revert it. Rather than let that happen quietly, the owner claims |
| 180 | /// the id here and any external writer is refused. |
| 181 | /// |
| 182 | /// A static registry rather than a field on `RuntimeApiState` because the |
| 183 | /// embedded Runtime API runs inside the TUI process; a standalone |
| 184 | /// `codewhale web` has an empty registry and is therefore never blocked, which |
| 185 | /// is exactly right — there is no TUI holding anything. |
| 186 | static LIVE_SESSIONS: std::sync::OnceLock<std::sync::RwLock<std::collections::HashSet<String>>> = |
| 187 | std::sync::OnceLock::new(); |
| 188 | |
| 189 | fn live_sessions() -> &'static std::sync::RwLock<std::collections::HashSet<String>> { |
| 190 | LIVE_SESSIONS.get_or_init(Default::default) |
| 191 | } |
| 192 | |
| 193 | /// Who is asking to mutate a saved session. |
| 194 | /// |
| 195 | /// This is an authority distinction, not a convenience one: the owner may |
| 196 | /// write because it will update its in-memory copy in the same step; anyone |
| 197 | /// else may not, because it cannot. |
| 198 | #[derive(Debug, Clone, Copy, PartialEq, Eq)] |
| 199 | pub enum SessionMutator { |
| 200 | /// The in-process surface that currently owns the session (the TUI). It |
| 201 | /// is responsible for updating its cached metadata atomically with the |
| 202 | /// write — see `App::apply_session_mutation`. |
| 203 | Owner, |
| 204 | /// Any other writer: the Runtime API, the web dashboard, a second |
| 205 | /// process. Refused while the session is claimed. |
| 206 | External, |
| 207 | } |
| 208 | |
| 209 | /// Set the claimed session to exactly `session_id` (or nothing). |
| 210 | /// |
| 211 | /// The TUI owns at most one session at a time, so switching sessions must |
| 212 | /// release the previous claim in the same step — otherwise a `/new` would |
| 213 | /// leave the old id permanently locked against the dashboard. |
| 214 | pub fn set_live_session(session_id: Option<&str>) { |
| 215 | if let Ok(mut live) = live_sessions().write() { |
| 216 | live.clear(); |
| 217 | if let Some(id) = session_id.map(str::trim).filter(|id| !id.is_empty()) { |
| 218 | live.insert(id.to_string()); |
| 219 | } |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | /// Is this session currently owned by an in-process interactive surface? |
| 224 | #[must_use] |
| 225 | pub fn is_live_session(session_id: &str) -> bool { |
| 226 | live_sessions() |
| 227 | .read() |
| 228 | .is_ok_and(|live| live.contains(session_id)) |
| 229 | } |
| 230 | |
| 231 | /// The error an external writer gets when the session is live. |
| 232 | /// |
| 233 | /// `ResourceBusy` so callers can map it to a typed conflict rather than |
| 234 | /// pattern-matching on a message. |
| 235 | fn live_session_conflict(session_id: &str) -> std::io::Error { |
| 236 | std::io::Error::new( |
| 237 | std::io::ErrorKind::ResourceBusy, |
| 238 | format!( |
| 239 | "session '{session_id}' is open in an interactive Codewhale session; \ |
| 240 | change it there instead — an external write would be reverted by its next autosave" |
| 241 | ), |
| 242 | ) |
| 243 | } |
| 244 | |
| 245 | /// File-name stem of the sidecar mapping session ids to the session |
| 246 | /// instance (process boot) that created their persisted record. Lives in |
| 247 | /// the sessions directory next to the `<id>.json` records it describes. |
| 248 | const SESSION_BOOT_OWNERS_STEM: &str = "session_boot_owners"; |
| 249 | |
| 250 | static SESSION_BOOT_ID: std::sync::OnceLock<String> = std::sync::OnceLock::new(); |
| 251 | |
| 252 | /// Identity of this running session instance (one per process boot). |
| 253 | /// |
| 254 | /// Mirrors the `SubAgentManager` boot id from #405: persisted records are |
| 255 | /// stamped with the instance that created them, so a later Codewhale |
| 256 | /// instance in the same workspace can tell restored rows from its own live |
| 257 | /// work (#4416). |
| 258 | #[must_use] |
| 259 | pub fn current_session_boot_id() -> &'static str { |
| 260 | SESSION_BOOT_ID.get_or_init(|| format!("boot_{}", &Uuid::new_v4().to_string()[..12])) |
| 261 | } |
| 262 | |
| 263 | /// Which archive states a session listing includes. |
| 264 | /// |
| 265 | /// Deliberately the same three-way shape as |
| 266 | /// [`crate::runtime_threads::ThreadListFilter`] so `/v1/sessions` and |
| 267 | /// `/v1/threads` answer the same `include_archived` / `archived_only` query |
| 268 | /// pair with the same semantics. |
| 269 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Default)] |
| 270 | pub enum SessionListFilter { |
| 271 | /// Only `archived = false` sessions. The browse default. |
| 272 | #[default] |
| 273 | ActiveOnly, |
| 274 | /// Active and archived sessions, newest first. |
| 275 | IncludeArchived, |
| 276 | /// Only `archived = true` sessions. |
| 277 | ArchivedOnly, |
| 278 | } |
| 279 | |
| 280 | impl SessionListFilter { |
| 281 | /// Resolve the `include_archived` / `archived_only` query pair the same |
| 282 | /// way the threads routes do. |
| 283 | #[must_use] |
| 284 | pub fn from_query(include_archived: Option<bool>, archived_only: Option<bool>) -> Self { |
| 285 | if archived_only.unwrap_or(false) { |
| 286 | Self::ArchivedOnly |
| 287 | } else if include_archived.unwrap_or(false) { |
| 288 | Self::IncludeArchived |
| 289 | } else { |
| 290 | Self::ActiveOnly |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | #[must_use] |
| 295 | pub fn admits(self, archived: bool) -> bool { |
| 296 | match self { |
| 297 | Self::ActiveOnly => !archived, |
| 298 | Self::IncludeArchived => true, |
| 299 | Self::ArchivedOnly => archived, |
| 300 | } |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | fn default_model_provider() -> String { |
| 305 | "deepseek".to_string() |
| 306 | } |
| 307 | |
| 308 | impl SessionMetadata { |
| 309 | pub(crate) fn set_model_provider_route(&mut self, kind: &str, identity: Option<&str>) { |
| 310 | self.model_provider = kind.to_string(); |
| 311 | self.model_provider_id = identity.map(str::to_string); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | /// Cost and high-water-mark fields persisted with each session. |
| 316 | /// |
| 317 | /// The coverage fields below are persisted **alongside** the money so a restored |
| 318 | /// session can still say what its total covers. Without them a reload produced a |
| 319 | /// dollar figure with no completeness information, which then rendered as "0 of 0 |
| 320 | /// turns priced" — a fabricated claim of a complete total. Sessions written |
| 321 | /// before these fields existed deserialize them from `Default`, which is |
| 322 | /// indistinguishable from that same false reading, so the load path detects the |
| 323 | /// legacy shape explicitly (see [`Self::coverage_is_legacy_unknown`]) rather than |
| 324 | /// trusting the defaults (#4318). |
| 325 | #[derive(Debug, Clone, Default, Serialize, Deserialize)] |
| 326 | pub struct SessionCostSnapshot { |
| 327 | /// Accumulated parent-turn session cost in USD. |
| 328 | #[serde(default)] |
| 329 | pub session_cost_usd: f64, |
| 330 | /// Accumulated parent-turn session cost in CNY. |
| 331 | #[serde(default)] |
| 332 | pub session_cost_cny: f64, |
| 333 | /// Accumulated sub-agent/background LLM cost in USD. |
| 334 | #[serde(default)] |
| 335 | pub subagent_cost_usd: f64, |
| 336 | /// Accumulated sub-agent/background LLM cost in CNY. |
| 337 | #[serde(default)] |
| 338 | pub subagent_cost_cny: f64, |
| 339 | /// Max-ever displayed session+subagent cost in USD (preserves #244 |
| 340 | /// monotonic guarantee across session restarts). |
| 341 | #[serde(default)] |
| 342 | pub displayed_cost_high_water_usd: f64, |
| 343 | /// Max-ever displayed session+subagent cost in CNY. |
| 344 | #[serde(default)] |
| 345 | pub displayed_cost_high_water_cny: f64, |
| 346 | /// Turns whose route was money-metered and produced an authoritative price. |
| 347 | /// These are exactly the turns the persisted totals contain. |
| 348 | #[serde(default)] |
| 349 | pub priced_turns: u32, |
| 350 | /// Money-metered (or unknown-basis) turns that produced no authoritative |
| 351 | /// price, so their spend is missing from the persisted totals. |
| 352 | #[serde(default)] |
| 353 | pub unpriced_turns: u32, |
| 354 | /// CNY-specific coverage. USD-only routes are unpriced in CNY rather than |
| 355 | /// silently contributing a fabricated zero. |
| 356 | #[serde(default)] |
| 357 | pub cny_priced_turns: u32, |
| 358 | #[serde(default)] |
| 359 | pub cny_unpriced_turns: u32, |
| 360 | /// Stable reason labels for the unpriced turns. |
| 361 | #[serde(default, skip_serializing_if = "BTreeSet::is_empty")] |
| 362 | pub unpriced_reasons: BTreeSet<String>, |
| 363 | #[serde(default, skip_serializing_if = "BTreeSet::is_empty")] |
| 364 | pub cny_unpriced_reasons: BTreeSet<String>, |
| 365 | /// Token classes used on some route that carry no published price. |
| 366 | #[serde(default, skip_serializing_if = "BTreeSet::is_empty")] |
| 367 | pub unpriced_classes: BTreeSet<String>, |
| 368 | /// Provenance labels of the pricing rows the totals were built from. |
| 369 | #[serde(default, skip_serializing_if = "BTreeSet::is_empty")] |
| 370 | pub pricing_provenances: BTreeSet<String>, |
| 371 | /// Live-pricing downgrade receipts recorded while building the totals. |
| 372 | #[serde(default, skip_serializing_if = "BTreeSet::is_empty")] |
| 373 | pub live_pricing_defects: BTreeSet<String>, |
| 374 | /// Live rows that failed validation and had no usable bundled fallback. |
| 375 | #[serde(default, skip_serializing_if = "BTreeSet::is_empty")] |
| 376 | pub live_pricing_unusable_defects: BTreeSet<String>, |
| 377 | /// Redacted per-route receipts: provider, configured identity, wire model, |
| 378 | /// billing surface, endpoint fingerprint, billing mode, currency. Never a URL, a |
| 379 | /// credential, or a filesystem path. |
| 380 | #[serde(default, skip_serializing_if = "BTreeSet::is_empty")] |
| 381 | pub route_receipts: BTreeSet<String>, |
| 382 | /// Written by builds that track coverage, so a reader can tell "this session |
| 383 | /// genuinely had zero money-metered turns" apart from "this session predates |
| 384 | /// coverage tracking". Absent on legacy rows. |
| 385 | #[serde(default)] |
| 386 | pub coverage_recorded: bool, |
| 387 | } |
| 388 | |
| 389 | impl SessionCostSnapshot { |
| 390 | /// Session + subagent spend as **one** dual-currency accumulator. |
| 391 | /// |
| 392 | /// The persisted USD and CNY columns are projections of per-turn |
| 393 | /// [`crate::pricing::CostEstimate`]s that were accumulated jointly; every |
| 394 | /// display total is derived from this single fold so the two currencies |
| 395 | /// cannot be re-summed by separate code paths that then drift (#4939). |
| 396 | /// CNY is *not* an FX multiple of USD: a turn carries CNY only when its |
| 397 | /// route published an authoritative CNY row (provider-published |
| 398 | /// dual-currency pricing, e.g. DeepSeek's CNY table), and a USD-only turn |
| 399 | /// contributes exactly zero CNY while `cny_unpriced_turns` records the gap. |
| 400 | #[must_use] |
| 401 | pub fn total_estimate(&self) -> crate::pricing::CostEstimate { |
| 402 | crate::pricing::CostEstimate { |
| 403 | usd: self.session_cost_usd, |
| 404 | cny: self.session_cost_cny, |
| 405 | } |
| 406 | .saturating_add(crate::pricing::CostEstimate { |
| 407 | usd: self.subagent_cost_usd, |
| 408 | cny: self.subagent_cost_cny, |
| 409 | }) |
| 410 | } |
| 411 | |
| 412 | /// Session + subagent cost in USD. |
| 413 | pub fn total_usd(&self) -> f64 { |
| 414 | self.total_estimate() |
| 415 | .amount(crate::pricing::CostCurrency::Usd) |
| 416 | } |
| 417 | |
| 418 | /// Session + subagent cost in CNY. |
| 419 | pub fn total_cny(&self) -> f64 { |
| 420 | self.total_estimate() |
| 421 | .amount(crate::pricing::CostCurrency::Cny) |
| 422 | } |
| 423 | |
| 424 | /// Whether this snapshot's coverage state must be shown as unknown. |
| 425 | /// |
| 426 | /// True when the snapshot has no coverage evidence — the signature of a |
| 427 | /// session written before coverage was persisted. Reporting any such |
| 428 | /// session as "0 of 0 priced" would claim completeness without evidence, |
| 429 | /// including when the saved amount is zero. |
| 430 | #[must_use] |
| 431 | pub fn coverage_is_legacy_unknown(&self) -> bool { |
| 432 | !self.coverage_recorded |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | impl SessionMetadata { |
| 437 | /// Copy cost fields from another metadata (used when forking a session). |
| 438 | #[allow(dead_code)] |
| 439 | pub fn copy_cost_from(&mut self, other: &SessionMetadata) { |
| 440 | self.cost = other.cost.clone(); |
| 441 | } |
| 442 | |
| 443 | /// Record additive lineage metadata for a forked saved session. |
| 444 | pub fn mark_forked_from(&mut self, parent: &SessionMetadata) { |
| 445 | self.parent_session_id = Some(parent.id.clone()); |
| 446 | self.forked_from_message_count = Some(parent.message_count); |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | /// Durable Work-panel state. Optional on [`SavedSession`] so every session |
| 451 | /// written before v0.8.68 remains loadable without migration. |
| 452 | #[derive(Debug, Clone, Default, Serialize, Deserialize, PartialEq)] |
| 453 | pub struct SessionWorkState { |
| 454 | /// Authoritative Work Graph. Optional so pre-Work-Graph sessions and old |
| 455 | /// binaries continue to exchange fully populated Plan/To-do views. |
| 456 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 457 | pub graph: Option<crate::work_graph::WorkGraphSnapshot>, |
| 458 | #[serde(default, skip_serializing_if = "TodoListSnapshot::is_empty")] |
| 459 | pub todos: TodoListSnapshot, |
| 460 | #[serde(default, skip_serializing_if = "PlanSnapshot::is_empty")] |
| 461 | pub plan: PlanSnapshot, |
| 462 | } |
| 463 | |
| 464 | impl SessionWorkState { |
| 465 | #[must_use] |
| 466 | pub fn is_empty(&self) -> bool { |
| 467 | self.graph |
| 468 | .as_ref() |
| 469 | .is_none_or(crate::work_graph::WorkGraphSnapshot::is_empty) |
| 470 | && self.todos.is_empty() |
| 471 | && self.plan.is_empty() |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | /// Latest concrete Auto route and the decision receipt that produced it. |
| 476 | /// |
| 477 | /// This is additive, optional session metadata: sessions written before |
| 478 | /// v0.9.1 deserialize with no receipt and keep their legacy restore behavior. |
| 479 | #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)] |
| 480 | pub(crate) struct SavedAutoRouteReceipt { |
| 481 | pub(crate) provider: ApiProvider, |
| 482 | pub(crate) provider_identity: String, |
| 483 | pub(crate) model: String, |
| 484 | pub(crate) receipt: AutoRouteReceipt, |
| 485 | /// Canonical effective reasoning receipt for the selected route, including |
| 486 | /// routes where a concrete tier cannot be proven. Optional so older |
| 487 | /// sessions remain loadable. |
| 488 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 489 | pub(crate) effective_reasoning_effort: Option<ReasoningEffortTier>, |
| 490 | } |
| 491 | |
| 492 | /// A saved session containing full conversation history |
| 493 | #[derive(Debug, Clone, Serialize, Deserialize)] |
| 494 | pub struct SavedSession { |
| 495 | /// Schema version for migration compatibility |
| 496 | #[serde(default = "default_session_schema_version")] |
| 497 | pub schema_version: u32, |
| 498 | /// Session metadata |
| 499 | pub metadata: SessionMetadata, |
| 500 | /// Conversation messages |
| 501 | pub messages: Vec<Message>, |
| 502 | /// System prompt if any |
| 503 | pub system_prompt: Option<String>, |
| 504 | /// Compact linked context references for user-visible `@path` and |
| 505 | /// `/attach` mentions. Optional for backward-compatible session loads. |
| 506 | #[serde(default, skip_serializing_if = "Vec::is_empty")] |
| 507 | pub context_references: Vec<SessionContextReference>, |
| 508 | /// Metadata registry of large outputs produced during this session. |
| 509 | /// Artifact contents are stored in the session-owned artifact directory. |
| 510 | #[serde(default, skip_serializing_if = "Vec::is_empty")] |
| 511 | pub artifacts: Vec<ArtifactRecord>, |
| 512 | /// To-do and plan state shown in the Work sidebar. |
| 513 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 514 | pub work_state: Option<SessionWorkState>, |
| 515 | /// Most recent accepted/completed Auto decision, when the saved model mode |
| 516 | /// is `auto`. Optional for backward-compatible session loads. |
| 517 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 518 | pub(crate) last_auto_route: Option<SavedAutoRouteReceipt>, |
| 519 | } |
| 520 | |
| 521 | /// Manager for session persistence operations |
| 522 | #[derive(Debug)] |
| 523 | pub struct SessionManager { |
| 524 | /// Directory where sessions are stored |
| 525 | sessions_dir: PathBuf, |
| 526 | } |
| 527 | |
| 528 | /// Origin of a crash-recovery checkpoint file. |
| 529 | #[derive(Debug, Clone, PartialEq, Eq)] |
| 530 | pub enum CheckpointSource { |
| 531 | /// Per-session checkpoint file `checkpoints/<session_id>.json`. |
| 532 | Session(String), |
| 533 | /// Legacy single-slot checkpoint file `checkpoints/latest.json`. |
| 534 | Legacy, |
| 535 | } |
| 536 | |
| 537 | /// A crash-recovery checkpoint file discovered on disk (metadata only — |
| 538 | /// callers load the session content separately). |
| 539 | #[derive(Debug, Clone)] |
| 540 | pub struct CheckpointRef { |
| 541 | pub source: CheckpointSource, |
| 542 | pub path: PathBuf, |
| 543 | pub modified: std::time::SystemTime, |
| 544 | } |
| 545 | |
| 546 | /// File names in `checkpoints/` that are never per-session checkpoints. |
| 547 | const LEGACY_CHECKPOINT_FILE: &str = "latest.json"; |
| 548 | const OFFLINE_QUEUE_FILE: &str = "offline_queue.json"; |
| 549 | |
| 550 | impl SessionManager { |
| 551 | fn validated_session_id<'a>(&self, id: &'a str) -> std::io::Result<&'a str> { |
| 552 | let trimmed = id.trim(); |
| 553 | if trimmed.is_empty() { |
| 554 | return Err(std::io::Error::new( |
| 555 | std::io::ErrorKind::InvalidInput, |
| 556 | "Session id cannot be empty", |
| 557 | )); |
| 558 | } |
| 559 | if !trimmed |
| 560 | .chars() |
| 561 | .all(|c| c.is_ascii_alphanumeric() || c == '-' || c == '_') |
| 562 | { |
| 563 | return Err(std::io::Error::new( |
| 564 | std::io::ErrorKind::InvalidInput, |
| 565 | format!("Invalid session id '{id}'"), |
| 566 | )); |
| 567 | } |
| 568 | if trimmed == SESSION_BOOT_OWNERS_STEM { |
| 569 | return Err(std::io::Error::new( |
| 570 | std::io::ErrorKind::InvalidInput, |
| 571 | format!("Session id '{trimmed}' collides with a reserved sessions file"), |
| 572 | )); |
| 573 | } |
| 574 | Ok(trimmed) |
| 575 | } |
| 576 | |
| 577 | fn validated_session_path(&self, id: &str) -> std::io::Result<PathBuf> { |
| 578 | let trimmed = self.validated_session_id(id)?; |
| 579 | Ok(self.sessions_dir.join(format!("{trimmed}.json"))) |
| 580 | } |
| 581 | |
| 582 | fn checkpoints_dir(&self) -> PathBuf { |
| 583 | self.sessions_dir.join("checkpoints") |
| 584 | } |
| 585 | |
| 586 | fn validated_checkpoint_path(&self, session_id: &str) -> std::io::Result<PathBuf> { |
| 587 | let trimmed = self.validated_session_id(session_id)?; |
| 588 | // Reserved file names inside `checkpoints/` must never collide with a |
| 589 | // per-session checkpoint file. |
| 590 | if format!("{trimmed}.json") == LEGACY_CHECKPOINT_FILE |
| 591 | || format!("{trimmed}.json") == OFFLINE_QUEUE_FILE |
| 592 | { |
| 593 | return Err(std::io::Error::new( |
| 594 | std::io::ErrorKind::InvalidInput, |
| 595 | format!("Session id '{trimmed}' collides with a reserved checkpoint file"), |
| 596 | )); |
| 597 | } |
| 598 | Ok(self.checkpoints_dir().join(format!("{trimmed}.json"))) |
| 599 | } |
| 600 | |
| 601 | /// Create a new `SessionManager` with the specified sessions directory |
| 602 | pub fn new(sessions_dir: PathBuf) -> std::io::Result<Self> { |
| 603 | let sessions_dir = normalize_managed_dir(sessions_dir)?; |
| 604 | // Ensure the sessions directory exists |
| 605 | fs::create_dir_all(&sessions_dir)?; |
| 606 | Ok(Self { sessions_dir }) |
| 607 | } |
| 608 | |
| 609 | /// Create a `SessionManager` using the default location. |
| 610 | pub fn default_location() -> std::io::Result<Self> { |
| 611 | Self::new(default_sessions_dir()?) |
| 612 | } |
| 613 | |
| 614 | /// Return the resolved sessions directory path. |
| 615 | pub fn sessions_dir(&self) -> &Path { |
| 616 | &self.sessions_dir |
| 617 | } |
| 618 | |
| 619 | /// Save a session to disk using atomic write (temp file + fsync + rename). |
| 620 | pub fn save_session(&self, session: &SavedSession) -> std::io::Result<PathBuf> { |
| 621 | let path = self.validated_session_path(&session.metadata.id)?; |
| 622 | let already_persisted = path.exists() |
| 623 | || self |
| 624 | .validated_checkpoint_path(&session.metadata.id) |
| 625 | .is_ok_and(|checkpoint| checkpoint.exists()); |
| 626 | |
| 627 | self.archive_before_first_graph_write(session, &path)?; |
| 628 | |
| 629 | let content = serde_json::to_string_pretty(&session) |
| 630 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?; |
| 631 | |
| 632 | // Atomic write via write_atomic (NamedTempFile + fsync + persist) |
| 633 | write_atomic(&path, content.as_bytes())?; |
| 634 | self.stamp_session_boot_owner_for_new_record(&session.metadata.id, already_persisted); |
| 635 | |
| 636 | // Clean up old sessions if we have too many |
| 637 | self.cleanup_old_sessions()?; |
| 638 | |
| 639 | Ok(path) |
| 640 | } |
| 641 | |
| 642 | /// Save a crash-recovery checkpoint for in-flight turns. |
| 643 | /// |
| 644 | /// Checkpoints are keyed per session (`checkpoints/<session_id>.json`) so |
| 645 | /// concurrent sessions never overwrite each other's crash-recovery state. |
| 646 | pub fn save_checkpoint(&self, session: &SavedSession) -> std::io::Result<PathBuf> { |
| 647 | let path = self.validated_checkpoint_path(&session.metadata.id)?; |
| 648 | let session_path = self.validated_session_path(&session.metadata.id)?; |
| 649 | self.archive_before_first_graph_write(session, &session_path)?; |
| 650 | fs::create_dir_all(self.checkpoints_dir())?; |
| 651 | let already_persisted = path.exists() || session_path.exists(); |
| 652 | let content = serde_json::to_string_pretty(&session) |
| 653 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?; |
| 654 | write_atomic(&path, content.as_bytes())?; |
| 655 | self.stamp_session_boot_owner_for_new_record(&session.metadata.id, already_persisted); |
| 656 | Ok(path) |
| 657 | } |
| 658 | |
| 659 | fn session_boot_owners_path(&self) -> PathBuf { |
| 660 | self.sessions_dir |
| 661 | .join(format!("{SESSION_BOOT_OWNERS_STEM}.json")) |
| 662 | } |
| 663 | |
| 664 | fn load_session_boot_owners(&self) -> BTreeMap<String, String> { |
| 665 | fs::read_to_string(self.session_boot_owners_path()) |
| 666 | .ok() |
| 667 | .and_then(|content| serde_json::from_str(&content).ok()) |
| 668 | .unwrap_or_default() |
| 669 | } |
| 670 | |
| 671 | /// Does any durable record (session file or crash checkpoint) exist for |
| 672 | /// this session id? |
| 673 | fn session_record_exists(&self, session_id: &str) -> bool { |
| 674 | self.validated_session_path(session_id) |
| 675 | .is_ok_and(|path| path.exists()) |
| 676 | || self |
| 677 | .validated_checkpoint_path(session_id) |
| 678 | .is_ok_and(|path| path.exists()) |
| 679 | } |
| 680 | |
| 681 | /// Record which session instance owns `session_id`'s persisted record. |
| 682 | /// |
| 683 | /// Entries whose durable record no longer exists are pruned on the same |
| 684 | /// write, so the sidecar cannot grow without bound. |
| 685 | pub(crate) fn record_session_boot_owner( |
| 686 | &self, |
| 687 | session_id: &str, |
| 688 | boot_id: &str, |
| 689 | ) -> std::io::Result<()> { |
| 690 | let id = self.validated_session_id(session_id)?.to_string(); |
| 691 | let mut owners = self.load_session_boot_owners(); |
| 692 | owners.retain(|owned, _| owned == &id || self.session_record_exists(owned)); |
| 693 | owners.insert(id, boot_id.to_string()); |
| 694 | let content = serde_json::to_string_pretty(&owners) |
| 695 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?; |
| 696 | write_atomic(&self.session_boot_owners_path(), content.as_bytes()) |
| 697 | } |
| 698 | |
| 699 | /// The session-instance boot id stamped on this session's persisted |
| 700 | /// record, when one was recorded. |
| 701 | #[must_use] |
| 702 | pub fn session_boot_owner(&self, session_id: &str) -> Option<String> { |
| 703 | let id = self.validated_session_id(session_id).ok()?; |
| 704 | self.load_session_boot_owners().get(id).cloned() |
| 705 | } |
| 706 | |
| 707 | /// Was this session's persisted record created by a different session |
| 708 | /// instance (an earlier or sibling Codewhale process)? |
| 709 | /// |
| 710 | /// Mirrors `SubAgentManager::is_from_prior_session` (#405): a durable |
| 711 | /// record with no stamped owner predates the marker and is classified as |
| 712 | /// prior-instance work, while an id with no durable record at all is |
| 713 | /// this instance's own not-yet-persisted session. |
| 714 | #[must_use] |
| 715 | pub fn session_from_prior_instance(&self, session_id: &str) -> bool { |
| 716 | match self.session_boot_owner(session_id) { |
| 717 | Some(owner) => owner != current_session_boot_id(), |
| 718 | None => self.session_record_exists(session_id), |
| 719 | } |
| 720 | } |
| 721 | |
| 722 | /// Stamp this instance as creator when a save writes the first durable |
| 723 | /// record for `session_id`. A record that already existed keeps its |
| 724 | /// original owner: re-serializing another instance's work (crash |
| 725 | /// recovery, external mutation) must not re-badge it as ours. |
| 726 | fn stamp_session_boot_owner_for_new_record(&self, session_id: &str, already_persisted: bool) { |
| 727 | if already_persisted || self.session_boot_owner(session_id).is_some() { |
| 728 | return; |
| 729 | } |
| 730 | if let Err(error) = self.record_session_boot_owner(session_id, current_session_boot_id()) { |
| 731 | tracing::warn!(session_id, %error, "could not stamp session boot owner"); |
| 732 | } |
| 733 | } |
| 734 | |
| 735 | fn clear_session_boot_owner(&self, session_id: &str) { |
| 736 | let Ok(id) = self.validated_session_id(session_id) else { |
| 737 | return; |
| 738 | }; |
| 739 | let mut owners = self.load_session_boot_owners(); |
| 740 | if owners.remove(id).is_none() { |
| 741 | return; |
| 742 | } |
| 743 | if let Ok(content) = serde_json::to_string_pretty(&owners) { |
| 744 | let _ = write_atomic(&self.session_boot_owners_path(), content.as_bytes()); |
| 745 | } |
| 746 | } |
| 747 | |
| 748 | /// Preserve the exact pre-import session once, before the first graph- |
| 749 | /// bearing session or checkpoint write can replace it. |
| 750 | fn archive_before_first_graph_write( |
| 751 | &self, |
| 752 | session: &SavedSession, |
| 753 | source: &Path, |
| 754 | ) -> std::io::Result<()> { |
| 755 | let writes_graph = session |
| 756 | .work_state |
| 757 | .as_ref() |
| 758 | .and_then(|state| state.graph.as_ref()) |
| 759 | .is_some_and(|graph| !graph.is_empty()); |
| 760 | if !writes_graph || !source.exists() { |
| 761 | return Ok(()); |
| 762 | } |
| 763 | let bytes = fs::read(source)?; |
| 764 | let already_graph_backed = serde_json::from_slice::<SavedSession>(&bytes) |
| 765 | .ok() |
| 766 | .and_then(|saved| saved.work_state) |
| 767 | .and_then(|state| state.graph) |
| 768 | .is_some_and(|graph| !graph.is_empty()); |
| 769 | if already_graph_backed { |
| 770 | return Ok(()); |
| 771 | } |
| 772 | let archive_dir = self.sessions_dir.join(WORK_GRAPH_IMPORT_ARCHIVE_DIR); |
| 773 | fs::create_dir_all(&archive_dir)?; |
| 774 | let archive = |
| 775 | archive_dir.join(source.file_name().ok_or_else(|| { |
| 776 | io::Error::new(io::ErrorKind::InvalidInput, "invalid session path") |
| 777 | })?); |
| 778 | if !archive.exists() { |
| 779 | write_atomic(&archive, &bytes)?; |
| 780 | } |
| 781 | Ok(()) |
| 782 | } |
| 783 | |
| 784 | fn read_checkpoint_file(&self, path: &Path) -> std::io::Result<Option<SavedSession>> { |
| 785 | if !path.exists() { |
| 786 | return Ok(None); |
| 787 | } |
| 788 | let content = fs::read_to_string(path)?; |
| 789 | let mut session: SavedSession = serde_json::from_str(&content) |
| 790 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?; |
| 791 | if session.schema_version > CURRENT_SESSION_SCHEMA_VERSION { |
| 792 | return Err(std::io::Error::new( |
| 793 | std::io::ErrorKind::InvalidData, |
| 794 | format!( |
| 795 | "Checkpoint schema v{} is newer than supported v{}", |
| 796 | session.schema_version, CURRENT_SESSION_SCHEMA_VERSION |
| 797 | ), |
| 798 | )); |
| 799 | } |
| 800 | session.system_prompt = strip_legacy_truncation_note(session.system_prompt); |
| 801 | Ok(Some(session)) |
| 802 | } |
| 803 | |
| 804 | /// Load a specific session's crash-recovery checkpoint if present. |
| 805 | pub fn load_session_checkpoint( |
| 806 | &self, |
| 807 | session_id: &str, |
| 808 | ) -> std::io::Result<Option<SavedSession>> { |
| 809 | let path = self.validated_checkpoint_path(session_id)?; |
| 810 | self.read_checkpoint_file(&path) |
| 811 | } |
| 812 | |
| 813 | /// Load the legacy single-slot checkpoint (`checkpoints/latest.json`) if |
| 814 | /// present. Compatibility read only — this release no longer writes it. |
| 815 | pub fn load_legacy_checkpoint(&self) -> std::io::Result<Option<SavedSession>> { |
| 816 | let path = self.checkpoints_dir().join(LEGACY_CHECKPOINT_FILE); |
| 817 | self.read_checkpoint_file(&path) |
| 818 | } |
| 819 | |
| 820 | /// Clear one session's crash-recovery checkpoint. Scoped: this can never |
| 821 | /// remove another session's checkpoint file or the legacy slot. |
| 822 | pub fn clear_session_checkpoint(&self, session_id: &str) -> std::io::Result<()> { |
| 823 | let path = self.validated_checkpoint_path(session_id)?; |
| 824 | if path.exists() { |
| 825 | fs::remove_file(path)?; |
| 826 | } |
| 827 | Ok(()) |
| 828 | } |
| 829 | |
| 830 | /// Remove the legacy single-slot checkpoint file. |
| 831 | pub fn clear_legacy_checkpoint(&self) -> std::io::Result<()> { |
| 832 | let path = self.checkpoints_dir().join(LEGACY_CHECKPOINT_FILE); |
| 833 | if path.exists() { |
| 834 | fs::remove_file(path)?; |
| 835 | } |
| 836 | Ok(()) |
| 837 | } |
| 838 | |
| 839 | /// Enumerate all crash-recovery checkpoint files (per-session files plus |
| 840 | /// the legacy single slot), sorted most recently modified first. Only |
| 841 | /// file metadata is read here; callers load content per candidate. |
| 842 | pub fn list_checkpoints(&self) -> std::io::Result<Vec<CheckpointRef>> { |
| 843 | let dir = self.checkpoints_dir(); |
| 844 | let mut refs = Vec::new(); |
| 845 | let entries = match fs::read_dir(&dir) { |
| 846 | Ok(entries) => entries, |
| 847 | Err(err) if err.kind() == std::io::ErrorKind::NotFound => return Ok(refs), |
| 848 | Err(err) => return Err(err), |
| 849 | }; |
| 850 | for entry in entries { |
| 851 | let entry = entry?; |
| 852 | let path = entry.path(); |
| 853 | if !path.is_file() || path.extension().is_none_or(|ext| ext != "json") { |
| 854 | continue; |
| 855 | } |
| 856 | let Some(name) = path.file_name().and_then(|n| n.to_str()) else { |
| 857 | continue; |
| 858 | }; |
| 859 | let source = if name == LEGACY_CHECKPOINT_FILE { |
| 860 | CheckpointSource::Legacy |
| 861 | } else if name == OFFLINE_QUEUE_FILE { |
| 862 | continue; |
| 863 | } else { |
| 864 | let session_id = name.trim_end_matches(".json").to_string(); |
| 865 | if self.validated_checkpoint_path(&session_id).is_err() { |
| 866 | continue; |
| 867 | } |
| 868 | CheckpointSource::Session(session_id) |
| 869 | }; |
| 870 | let Ok(modified) = entry.metadata().and_then(|m| m.modified()) else { |
| 871 | continue; |
| 872 | }; |
| 873 | refs.push(CheckpointRef { |
| 874 | source, |
| 875 | path, |
| 876 | modified, |
| 877 | }); |
| 878 | } |
| 879 | refs.sort_by_key(|r| std::cmp::Reverse(r.modified)); |
| 880 | Ok(refs) |
| 881 | } |
| 882 | |
| 883 | /// Migrate a session recovered from the legacy single-slot checkpoint to |
| 884 | /// a per-session checkpoint file. Never overwrites an existing |
| 885 | /// per-session file and leaves the legacy file in place (older binaries |
| 886 | /// still read it; the legacy writer is already gone). Returns whether a |
| 887 | /// file was written. |
| 888 | pub fn write_session_checkpoint_if_absent( |
| 889 | &self, |
| 890 | session: &SavedSession, |
| 891 | ) -> std::io::Result<bool> { |
| 892 | let path = self.validated_checkpoint_path(&session.metadata.id)?; |
| 893 | if path.exists() { |
| 894 | return Ok(false); |
| 895 | } |
| 896 | self.save_checkpoint(session)?; |
| 897 | Ok(true) |
| 898 | } |
| 899 | |
| 900 | /// Save offline queue state (queued + draft messages). |
| 901 | pub fn save_offline_queue_state( |
| 902 | &self, |
| 903 | state: &OfflineQueueState, |
| 904 | session_id: Option<&str>, |
| 905 | ) -> std::io::Result<PathBuf> { |
| 906 | let checkpoints = self.sessions_dir.join("checkpoints"); |
| 907 | fs::create_dir_all(&checkpoints)?; |
| 908 | let path = checkpoints.join("offline_queue.json"); |
| 909 | let mut state_with_id = state.clone(); |
| 910 | state_with_id.session_id = session_id.map(|s| s.to_string()); |
| 911 | let content = serde_json::to_string_pretty(&state_with_id) |
| 912 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?; |
| 913 | write_atomic(&path, content.as_bytes())?; |
| 914 | Ok(path) |
| 915 | } |
| 916 | |
| 917 | /// Load offline queue state if present. |
| 918 | pub fn load_offline_queue_state(&self) -> std::io::Result<Option<OfflineQueueState>> { |
| 919 | let path = self |
| 920 | .sessions_dir |
| 921 | .join("checkpoints") |
| 922 | .join("offline_queue.json"); |
| 923 | if !path.exists() { |
| 924 | return Ok(None); |
| 925 | } |
| 926 | let content = fs::read_to_string(&path)?; |
| 927 | let state: OfflineQueueState = serde_json::from_str(&content) |
| 928 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?; |
| 929 | if state.schema_version > CURRENT_QUEUE_SCHEMA_VERSION { |
| 930 | return Err(std::io::Error::new( |
| 931 | std::io::ErrorKind::InvalidData, |
| 932 | format!( |
| 933 | "Offline queue schema v{} is newer than supported v{}", |
| 934 | state.schema_version, CURRENT_QUEUE_SCHEMA_VERSION |
| 935 | ), |
| 936 | )); |
| 937 | } |
| 938 | Ok(Some(state)) |
| 939 | } |
| 940 | |
| 941 | /// Remove persisted offline queue state. |
| 942 | pub fn clear_offline_queue_state(&self) -> std::io::Result<()> { |
| 943 | let path = self |
| 944 | .sessions_dir |
| 945 | .join("checkpoints") |
| 946 | .join("offline_queue.json"); |
| 947 | if path.exists() { |
| 948 | fs::remove_file(path)?; |
| 949 | } |
| 950 | Ok(()) |
| 951 | } |
| 952 | |
| 953 | /// Load a session by ID |
| 954 | pub fn load_session(&self, id: &str) -> std::io::Result<SavedSession> { |
| 955 | let path = self.validated_session_path(id)?; |
| 956 | |
| 957 | let content = fs::read_to_string(&path)?; |
| 958 | let mut session: SavedSession = serde_json::from_str(&content) |
| 959 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?; |
| 960 | if session.schema_version > CURRENT_SESSION_SCHEMA_VERSION { |
| 961 | return Err(std::io::Error::new( |
| 962 | std::io::ErrorKind::InvalidData, |
| 963 | format!( |
| 964 | "Session schema v{} is newer than supported v{}", |
| 965 | session.schema_version, CURRENT_SESSION_SCHEMA_VERSION |
| 966 | ), |
| 967 | )); |
| 968 | } |
| 969 | |
| 970 | session.system_prompt = strip_legacy_truncation_note(session.system_prompt); |
| 971 | |
| 972 | let repair = crate::tool_history_repair::repair_tool_call_pairs(&mut session.messages); |
| 973 | if !repair.is_empty() { |
| 974 | session.metadata.message_count = session.messages.len(); |
| 975 | tracing::warn!( |
| 976 | session_id = %session.metadata.id, |
| 977 | repaired_call_ids = ?repair.repaired_call_ids, |
| 978 | duplicate_result_ids = ?repair.duplicate_result_ids, |
| 979 | orphan_result_ids = ?repair.orphan_result_ids, |
| 980 | "repaired persisted tool call/result history" |
| 981 | ); |
| 982 | } |
| 983 | |
| 984 | Ok(session) |
| 985 | } |
| 986 | |
| 987 | /// Load a session by partial ID prefix |
| 988 | pub fn load_session_by_prefix(&self, prefix: &str) -> std::io::Result<SavedSession> { |
| 989 | let sessions = self.list_sessions()?; |
| 990 | |
| 991 | let matches: Vec<_> = sessions |
| 992 | .into_iter() |
| 993 | .filter(|s| s.id.starts_with(prefix)) |
| 994 | .collect(); |
| 995 | |
| 996 | match matches.len() { |
| 997 | 0 => Err(std::io::Error::new( |
| 998 | std::io::ErrorKind::NotFound, |
| 999 | format!("No session found with prefix: {prefix}"), |
| 1000 | )), |
| 1001 | 1 => self.load_session(&matches[0].id), |
| 1002 | _ => Err(std::io::Error::new( |
| 1003 | std::io::ErrorKind::InvalidInput, |
| 1004 | format!( |
| 1005 | "Ambiguous prefix '{}' matches {} sessions", |
| 1006 | prefix, |
| 1007 | matches.len() |
| 1008 | ), |
| 1009 | )), |
| 1010 | } |
| 1011 | } |
| 1012 | |
| 1013 | /// List all saved sessions, sorted by most recently updated |
| 1014 | pub fn list_sessions(&self) -> std::io::Result<Vec<SessionMetadata>> { |
| 1015 | let mut sessions = Vec::new(); |
| 1016 | |
| 1017 | for entry in fs::read_dir(&self.sessions_dir)? { |
| 1018 | let entry = entry?; |
| 1019 | let path = entry.path(); |
| 1020 | |
| 1021 | if path.extension().is_some_and(|ext| ext == "json") |
| 1022 | && let Ok(session) = Self::load_session_metadata(&path) |
| 1023 | { |
| 1024 | sessions.push(session); |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | // Sort by updated_at descending (most recent first) |
| 1029 | sessions.sort_by_key(|s| std::cmp::Reverse(s.updated_at)); |
| 1030 | |
| 1031 | Ok(sessions) |
| 1032 | } |
| 1033 | |
| 1034 | /// Set the durable archive flag on a saved session and return the |
| 1035 | /// resulting metadata. |
| 1036 | /// |
| 1037 | /// This is the single writer for the flag: the picker, the `/sessions` |
| 1038 | /// command, and `PATCH /v1/sessions/{id}` all route through it so the TUI |
| 1039 | /// and the web dashboard cannot drift into two archive notions. A no-op |
| 1040 | /// call (already in the requested state) still returns the metadata and |
| 1041 | /// does not rewrite the file. |
| 1042 | pub fn set_session_archived( |
| 1043 | &self, |
| 1044 | id: &str, |
| 1045 | archived: bool, |
| 1046 | mutator: SessionMutator, |
| 1047 | ) -> std::io::Result<SessionMetadata> { |
| 1048 | if mutator == SessionMutator::External && is_live_session(id) { |
| 1049 | return Err(live_session_conflict(id)); |
| 1050 | } |
| 1051 | let mut session = self.load_session(id)?; |
| 1052 | if session.metadata.archived == archived { |
| 1053 | return Ok(session.metadata); |
| 1054 | } |
| 1055 | session.metadata.archived = archived; |
| 1056 | self.save_session(&session)?; |
| 1057 | Ok(session.metadata) |
| 1058 | } |
| 1059 | |
| 1060 | /// Re-read the durable lifecycle fields for `metadata` from disk. |
| 1061 | /// |
| 1062 | /// This is the autosave-survival guard. A TUI autosave rebuilds the whole |
| 1063 | /// session document from in-memory `App` state; any lifecycle field it |
| 1064 | /// carries from a stale cache would silently revert a rename or archive |
| 1065 | /// that landed in between — including one applied by the picker earlier in |
| 1066 | /// the same event loop, or by `/rename` while a snapshot was already |
| 1067 | /// queued. |
| 1068 | /// |
| 1069 | /// So rather than trusting any cache, the writer re-reads the persisted |
| 1070 | /// values immediately before writing. `title`, `archived`, `created_at`, |
| 1071 | /// and fork lineage are *lifecycle* state owned by the file, not |
| 1072 | /// conversation state owned by the running turn. Reading them back costs |
| 1073 | /// one bounded metadata-prefix read. |
| 1074 | /// |
| 1075 | /// Returns `true` when an existing record was found and merged. A missing |
| 1076 | /// record is not an error: the first save of a new session has nothing to |
| 1077 | /// merge from. |
| 1078 | pub fn merge_persisted_lifecycle(&self, metadata: &mut SessionMetadata) -> bool { |
| 1079 | let Ok(path) = self.validated_session_path(&metadata.id) else { |
| 1080 | return false; |
| 1081 | }; |
| 1082 | let Ok(persisted) = Self::load_session_metadata(&path) else { |
| 1083 | return false; |
| 1084 | }; |
| 1085 | metadata.title = persisted.title; |
| 1086 | metadata.archived = persisted.archived; |
| 1087 | metadata.created_at = persisted.created_at; |
| 1088 | metadata.parent_session_id = persisted.parent_session_id; |
| 1089 | metadata.forked_from_message_count = persisted.forked_from_message_count; |
| 1090 | true |
| 1091 | } |
| 1092 | |
| 1093 | /// Rename a saved session and return the resulting metadata. |
| 1094 | /// |
| 1095 | /// Titles are trimmed and bounded to [`MAX_SESSION_TITLE_CHARS`] |
| 1096 | /// characters (counted in `char`s, not bytes, so a CJK or emoji title is |
| 1097 | /// not truncated mid-scalar). Created-at and fork lineage are untouched. |
| 1098 | pub fn rename_session( |
| 1099 | &self, |
| 1100 | id: &str, |
| 1101 | title: &str, |
| 1102 | mutator: SessionMutator, |
| 1103 | ) -> std::io::Result<SessionMetadata> { |
| 1104 | let title = normalize_session_title(title)?; |
| 1105 | if mutator == SessionMutator::External && is_live_session(id) { |
| 1106 | return Err(live_session_conflict(id)); |
| 1107 | } |
| 1108 | let mut session = self.load_session(id)?; |
| 1109 | if session.metadata.title == title { |
| 1110 | return Ok(session.metadata); |
| 1111 | } |
| 1112 | session.metadata.title = title; |
| 1113 | self.save_session(&session)?; |
| 1114 | Ok(session.metadata) |
| 1115 | } |
| 1116 | |
| 1117 | /// Load only the metadata from a session file. |
| 1118 | /// |
| 1119 | /// Optimization for #337: previously this called |
| 1120 | /// `serde_json::from_reader` which forces serde to scan every token in |
| 1121 | /// the file just to validate JSON structure — including the |
| 1122 | /// (potentially many MB of) `messages` and `tool_log` arrays we're |
| 1123 | /// going to discard. For a user with hundreds of long sessions, a |
| 1124 | /// single `list_sessions()` call could chew through tens of MB of |
| 1125 | /// JSON per startup. |
| 1126 | /// |
| 1127 | /// We now read at most 64 KB up front and string-extract the |
| 1128 | /// top-level `metadata` object, which is invariably tiny (~500 B) |
| 1129 | /// and appears before any large `messages`/`tool_log` payload. We |
| 1130 | /// fall back to a full-file read only if the prefix doesn't yield a |
| 1131 | /// parseable metadata block (e.g. an oddly-formatted legacy file). |
| 1132 | fn load_session_metadata(path: &Path) -> std::io::Result<SessionMetadata> { |
| 1133 | use std::io::Read; |
| 1134 | |
| 1135 | const PREFIX_BYTES: usize = 64 * 1024; |
| 1136 | let mut file = fs::File::open(path)?; |
| 1137 | let mut buf = Vec::with_capacity(PREFIX_BYTES); |
| 1138 | file.by_ref() |
| 1139 | .take(PREFIX_BYTES as u64) |
| 1140 | .read_to_end(&mut buf)?; |
| 1141 | |
| 1142 | if let Some(metadata) = extract_top_level_metadata(&buf) { |
| 1143 | return Ok(metadata); |
| 1144 | } |
| 1145 | |
| 1146 | // Metadata wasn't extractable from the prefix (truncated mid-block, |
| 1147 | // unusual key ordering, etc.). Read the rest and try again with the |
| 1148 | // full buffer before giving up. |
| 1149 | let mut rest = Vec::new(); |
| 1150 | file.read_to_end(&mut rest)?; |
| 1151 | buf.extend_from_slice(&rest); |
| 1152 | extract_top_level_metadata(&buf).ok_or_else(|| { |
| 1153 | std::io::Error::new( |
| 1154 | std::io::ErrorKind::InvalidData, |
| 1155 | "session file missing parseable `metadata` block", |
| 1156 | ) |
| 1157 | }) |
| 1158 | } |
| 1159 | |
| 1160 | /// Delete a session by ID |
| 1161 | pub fn delete_session(&self, id: &str) -> std::io::Result<()> { |
| 1162 | let path = self.validated_session_path(id)?; |
| 1163 | fs::remove_file(path)?; |
| 1164 | self.clear_session_boot_owner(id); |
| 1165 | let session_dir = self.sessions_dir.join(id.trim()); |
| 1166 | if session_dir.exists() { |
| 1167 | fs::remove_dir_all(session_dir)?; |
| 1168 | } |
| 1169 | Ok(()) |
| 1170 | } |
| 1171 | |
| 1172 | /// Clean up old sessions to stay within `MAX_SESSIONS` limit. |
| 1173 | pub fn cleanup_old_sessions(&self) -> std::io::Result<()> { |
| 1174 | self.cleanup_old_sessions_keeping(None) |
| 1175 | } |
| 1176 | |
| 1177 | /// As [`Self::cleanup_old_sessions`], but never deletes `keep` — the |
| 1178 | /// session being resumed at boot. Without this, a background cleanup that |
| 1179 | /// races session restore can prune the just-resumed session when 50+ |
| 1180 | /// newer records exist (its `updated_at` is not bumped until first save). |
| 1181 | pub fn cleanup_old_sessions_keeping(&self, keep: Option<&str>) -> std::io::Result<()> { |
| 1182 | let sessions = self.list_sessions()?; |
| 1183 | |
| 1184 | if sessions.len() > MAX_SESSIONS { |
| 1185 | for session in sessions.iter().skip(MAX_SESSIONS) { |
| 1186 | if keep.is_some_and(|id| id == session.id) { |
| 1187 | continue; |
| 1188 | } |
| 1189 | let _ = self.delete_session(&session.id); |
| 1190 | } |
| 1191 | } |
| 1192 | |
| 1193 | Ok(()) |
| 1194 | } |
| 1195 | |
| 1196 | /// Remove session files whose `updated_at` is older than `max_age` |
| 1197 | /// from the persisted-sessions directory. Returns the number of |
| 1198 | /// records pruned. Building block for #406's phase-2 auto-archive |
| 1199 | /// on boot; today the user-facing entry point is the |
| 1200 | /// `/sessions prune <days>` slash command. |
| 1201 | /// |
| 1202 | /// Crash-recovery safety: skips the per-session checkpoint files |
| 1203 | /// (`checkpoints/<session_id>.json`), the legacy single-slot |
| 1204 | /// checkpoint (`checkpoints/latest.json`), and any file under `checkpoints/` |
| 1205 | /// — those are owned by the checkpoint subsystem and live with |
| 1206 | /// stricter durability rules. Only top-level `<session_id>.json` |
| 1207 | /// files are candidates. |
| 1208 | /// |
| 1209 | /// `max_age` is checked against the metadata's `updated_at` |
| 1210 | /// timestamp embedded in the JSON, not the filesystem mtime — the |
| 1211 | /// user may have rsynced their `~/.deepseek` between machines and |
| 1212 | /// fs mtimes can lie. |
| 1213 | pub fn prune_sessions_older_than( |
| 1214 | &self, |
| 1215 | max_age: std::time::Duration, |
| 1216 | ) -> std::io::Result<usize> { |
| 1217 | self.prune_sessions_older_than_keeping(max_age, None) |
| 1218 | } |
| 1219 | |
| 1220 | /// As [`Self::prune_sessions_older_than`], but never deletes `keep` — the |
| 1221 | /// active session. A just-resumed session's `updated_at` is stale until |
| 1222 | /// its first post-resume save, so an age prune could otherwise delete the |
| 1223 | /// live session out from under the TUI. |
| 1224 | pub fn prune_sessions_older_than_keeping( |
| 1225 | &self, |
| 1226 | max_age: std::time::Duration, |
| 1227 | keep: Option<&str>, |
| 1228 | ) -> std::io::Result<usize> { |
| 1229 | let cutoff = Utc::now() |
| 1230 | - chrono::Duration::from_std(max_age).unwrap_or(chrono::Duration::days(365 * 10)); |
| 1231 | let sessions = self.list_sessions()?; |
| 1232 | let mut pruned = 0usize; |
| 1233 | for session in sessions { |
| 1234 | if keep.is_some_and(|id| id == session.id) { |
| 1235 | continue; |
| 1236 | } |
| 1237 | if session.updated_at < cutoff { |
| 1238 | if let Err(err) = self.delete_session(&session.id) { |
| 1239 | tracing::warn!( |
| 1240 | target: "session", |
| 1241 | session = session.id, |
| 1242 | ?err, |
| 1243 | "session prune skipped a record", |
| 1244 | ); |
| 1245 | continue; |
| 1246 | } |
| 1247 | pruned += 1; |
| 1248 | } |
| 1249 | } |
| 1250 | Ok(pruned) |
| 1251 | } |
| 1252 | |
| 1253 | /// Get the most recent session scoped to the current workspace. |
| 1254 | /// |
| 1255 | /// Archived sessions are skipped: archiving is the user saying "not this |
| 1256 | /// one", and `--continue` / auto-resume must honour that rather than |
| 1257 | /// dragging a put-away session back. |
| 1258 | pub fn get_latest_session_for_workspace( |
| 1259 | &self, |
| 1260 | workspace: &Path, |
| 1261 | ) -> std::io::Result<Option<SessionMetadata>> { |
| 1262 | let sessions = self.list_sessions()?; |
| 1263 | Ok(sessions.into_iter().find(|session| { |
| 1264 | !session.archived |
| 1265 | && workspace_scope_matches(&session.workspace, workspace) |
| 1266 | && !is_empty_auto_created_session(session) |
| 1267 | })) |
| 1268 | } |
| 1269 | |
| 1270 | /// Search sessions by title |
| 1271 | pub fn search_sessions(&self, query: &str) -> std::io::Result<Vec<SessionMetadata>> { |
| 1272 | let query_lower = query.to_lowercase(); |
| 1273 | let sessions = self.list_sessions()?; |
| 1274 | |
| 1275 | Ok(sessions |
| 1276 | .into_iter() |
| 1277 | .filter(|s| s.title.to_lowercase().contains(&query_lower)) |
| 1278 | .collect()) |
| 1279 | } |
| 1280 | } |
| 1281 | |
| 1282 | /// Trim and bound a user-supplied session title. |
| 1283 | /// |
| 1284 | /// Returns `InvalidInput` for an empty title or one longer than |
| 1285 | /// [`MAX_SESSION_TITLE_CHARS`] so every rename surface (picker, `/rename`, |
| 1286 | /// `PATCH /v1/sessions/{id}`) rejects the same inputs with the same reason. |
| 1287 | pub fn normalize_session_title(title: &str) -> std::io::Result<String> { |
| 1288 | let trimmed = title.trim(); |
| 1289 | if trimmed.is_empty() { |
| 1290 | return Err(std::io::Error::new( |
| 1291 | std::io::ErrorKind::InvalidInput, |
| 1292 | "Session title cannot be empty", |
| 1293 | )); |
| 1294 | } |
| 1295 | if trimmed.chars().count() > MAX_SESSION_TITLE_CHARS { |
| 1296 | return Err(std::io::Error::new( |
| 1297 | std::io::ErrorKind::InvalidInput, |
| 1298 | format!("Session title cannot exceed {MAX_SESSION_TITLE_CHARS} characters"), |
| 1299 | )); |
| 1300 | } |
| 1301 | Ok(trimmed.to_string()) |
| 1302 | } |
| 1303 | |
| 1304 | pub(crate) fn workspace_scope_matches(saved_workspace: &Path, current_workspace: &Path) -> bool { |
| 1305 | if paths_equivalent(saved_workspace, current_workspace) { |
| 1306 | return true; |
| 1307 | } |
| 1308 | |
| 1309 | match ( |
| 1310 | find_git_root(saved_workspace), |
| 1311 | find_git_root(current_workspace), |
| 1312 | ) { |
| 1313 | (Some(saved_root), Some(current_root)) => paths_equivalent(&saved_root, ¤t_root), |
| 1314 | _ => false, |
| 1315 | } |
| 1316 | } |
| 1317 | |
| 1318 | fn is_empty_auto_created_session(session: &SessionMetadata) -> bool { |
| 1319 | session.message_count == 0 && session.title.trim().eq_ignore_ascii_case("New Session") |
| 1320 | } |
| 1321 | |
| 1322 | fn paths_equivalent(lhs: &Path, rhs: &Path) -> bool { |
| 1323 | let lhs_canonical = fs::canonicalize(lhs).ok(); |
| 1324 | let rhs_canonical = fs::canonicalize(rhs).ok(); |
| 1325 | match (lhs_canonical, rhs_canonical) { |
| 1326 | (Some(lhs), Some(rhs)) => lhs == rhs, |
| 1327 | _ => lhs == rhs, |
| 1328 | } |
| 1329 | } |
| 1330 | |
| 1331 | fn find_git_root(path: &Path) -> Option<PathBuf> { |
| 1332 | let mut current = fs::canonicalize(path).unwrap_or_else(|_| path.to_path_buf()); |
| 1333 | loop { |
| 1334 | let git_entry = current.join(".git"); |
| 1335 | if git_entry.exists() { |
| 1336 | return is_git_metadata_entry(&git_entry).then_some(current); |
| 1337 | } |
| 1338 | match current.parent() { |
| 1339 | Some(parent) if parent != current => current = parent.to_path_buf(), |
| 1340 | _ => return None, |
| 1341 | } |
| 1342 | } |
| 1343 | } |
| 1344 | |
| 1345 | fn is_git_metadata_entry(path: &Path) -> bool { |
| 1346 | if path.is_dir() { |
| 1347 | return path.join("HEAD").is_file(); |
| 1348 | } |
| 1349 | |
| 1350 | fs::read_to_string(path) |
| 1351 | .map(|content| content.trim_start().starts_with("gitdir:")) |
| 1352 | .unwrap_or(false) |
| 1353 | } |
| 1354 | |
| 1355 | /// Resolve the default session directory path. |
| 1356 | /// |
| 1357 | /// v0.8.44: prefers `~/.codewhale/sessions`, falls back to |
| 1358 | /// `~/.deepseek/sessions` for existing installs. Uses the write-path resolver |
| 1359 | /// so the first access relocates any legacy `~/.deepseek/sessions` into |
| 1360 | /// `~/.codewhale/sessions` when the primary directory is missing (#3240). |
| 1361 | /// If an older build already created an empty primary sessions directory, copy |
| 1362 | /// missing legacy entries into it without overwriting newer CodeWhale data. |
| 1363 | pub fn default_sessions_dir() -> std::io::Result<PathBuf> { |
| 1364 | let dir = codewhale_config::ensure_state_dir("sessions") |
| 1365 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::NotFound, e.to_string()))?; |
| 1366 | match merge_missing_legacy_session_entries(&dir) { |
| 1367 | Ok(0) => {} |
| 1368 | Ok(count) => { |
| 1369 | tracing::info!( |
| 1370 | target: "session::migration", |
| 1371 | "Copied {count} missing legacy session entries into {}", |
| 1372 | dir.display() |
| 1373 | ); |
| 1374 | } |
| 1375 | Err(err) => { |
| 1376 | tracing::warn!( |
| 1377 | target: "session::migration", |
| 1378 | "Could not copy legacy sessions into {}: {err}", |
| 1379 | dir.display() |
| 1380 | ); |
| 1381 | } |
| 1382 | } |
| 1383 | Ok(dir) |
| 1384 | } |
| 1385 | |
| 1386 | fn merge_missing_legacy_session_entries(primary: &Path) -> io::Result<usize> { |
| 1387 | if codewhale_paths::codewhale_home_is_explicit() { |
| 1388 | return Ok(0); |
| 1389 | } |
| 1390 | |
| 1391 | let legacy = codewhale_config::legacy_deepseek_home() |
| 1392 | .map_err(|e| io::Error::new(io::ErrorKind::NotFound, e.to_string()))? |
| 1393 | .join("sessions"); |
| 1394 | if !legacy.is_dir() || paths_equivalent(primary, &legacy) { |
| 1395 | return Ok(0); |
| 1396 | } |
| 1397 | |
| 1398 | copy_missing_dir_entries(&legacy, primary) |
| 1399 | } |
| 1400 | |
| 1401 | fn copy_missing_dir_entries(src: &Path, dst: &Path) -> io::Result<usize> { |
| 1402 | fs::create_dir_all(dst)?; |
| 1403 | let mut copied = 0; |
| 1404 | for entry in fs::read_dir(src)? { |
| 1405 | let entry = entry?; |
| 1406 | let source = entry.path(); |
| 1407 | let target = dst.join(entry.file_name()); |
| 1408 | |
| 1409 | let file_type = entry.file_type()?; |
| 1410 | if file_type.is_dir() { |
| 1411 | if entry.file_name() == std::ffi::OsStr::new("checkpoints") || target.exists() { |
| 1412 | continue; |
| 1413 | } |
| 1414 | copied += copy_missing_dir_entries(&source, &target)?; |
| 1415 | } else if file_type.is_file() { |
| 1416 | copied += usize::from(copy_file_create_new(&source, &target)?); |
| 1417 | } |
| 1418 | } |
| 1419 | Ok(copied) |
| 1420 | } |
| 1421 | |
| 1422 | fn copy_file_create_new(src: &Path, dst: &Path) -> io::Result<bool> { |
| 1423 | let mut source = fs::File::open(src)?; |
| 1424 | let mut target = match fs::OpenOptions::new() |
| 1425 | .write(true) |
| 1426 | .create_new(true) |
| 1427 | .open(dst) |
| 1428 | { |
| 1429 | Ok(file) => file, |
| 1430 | Err(err) if err.kind() == io::ErrorKind::AlreadyExists => return Ok(false), |
| 1431 | Err(err) => return Err(err), |
| 1432 | }; |
| 1433 | if let Err(err) = io::copy(&mut source, &mut target) { |
| 1434 | let _ = fs::remove_file(dst); |
| 1435 | return Err(err); |
| 1436 | } |
| 1437 | Ok(true) |
| 1438 | } |
| 1439 | |
| 1440 | /// Prune snapshots older than `max_age` for `workspace`. |
| 1441 | /// |
| 1442 | /// Always non-fatal. Returns silently — callers don't need the count |
| 1443 | /// (the underlying repo logs at WARN if anything blew up). |
| 1444 | pub fn prune_workspace_snapshots(workspace: &Path, max_age: std::time::Duration) { |
| 1445 | match crate::snapshot::prune_older_than(workspace, max_age) { |
| 1446 | Ok(0) => {} |
| 1447 | Ok(n) => { |
| 1448 | tracing::debug!(target: "snapshot", "boot prune removed {n} snapshot(s)"); |
| 1449 | } |
| 1450 | Err(e) => { |
| 1451 | tracing::warn!(target: "snapshot", "boot prune failed: {e}"); |
| 1452 | } |
| 1453 | } |
| 1454 | } |
| 1455 | |
| 1456 | /// Create a new `SavedSession` from conversation state |
| 1457 | pub fn create_saved_session( |
| 1458 | messages: &[Message], |
| 1459 | model: &str, |
| 1460 | workspace: &Path, |
| 1461 | total_tokens: u64, |
| 1462 | system_prompt: Option<&SystemPrompt>, |
| 1463 | ) -> SavedSession { |
| 1464 | create_saved_session_with_mode( |
| 1465 | messages, |
| 1466 | model, |
| 1467 | workspace, |
| 1468 | total_tokens, |
| 1469 | system_prompt, |
| 1470 | None, |
| 1471 | ) |
| 1472 | } |
| 1473 | |
| 1474 | /// Create a new `SavedSession` from conversation state with optional mode label |
| 1475 | pub fn create_saved_session_with_mode( |
| 1476 | messages: &[Message], |
| 1477 | model: &str, |
| 1478 | workspace: &Path, |
| 1479 | total_tokens: u64, |
| 1480 | system_prompt: Option<&SystemPrompt>, |
| 1481 | mode: Option<&str>, |
| 1482 | ) -> SavedSession { |
| 1483 | create_saved_session_with_id_and_mode( |
| 1484 | Uuid::new_v4().to_string(), |
| 1485 | messages, |
| 1486 | model, |
| 1487 | workspace, |
| 1488 | total_tokens, |
| 1489 | system_prompt, |
| 1490 | mode, |
| 1491 | ) |
| 1492 | } |
| 1493 | |
| 1494 | /// Create a new `SavedSession` using a caller-owned session id. |
| 1495 | pub fn create_saved_session_with_id_and_mode( |
| 1496 | id: String, |
| 1497 | messages: &[Message], |
| 1498 | model: &str, |
| 1499 | workspace: &Path, |
| 1500 | total_tokens: u64, |
| 1501 | system_prompt: Option<&SystemPrompt>, |
| 1502 | mode: Option<&str>, |
| 1503 | ) -> SavedSession { |
| 1504 | let now = Utc::now(); |
| 1505 | |
| 1506 | // Generate title from first user message |
| 1507 | let title = messages |
| 1508 | .iter() |
| 1509 | .find(|m| m.role == "user") |
| 1510 | .and_then(|m| { |
| 1511 | m.content.iter().find_map(|block| match block { |
| 1512 | ContentBlock::Text { text, .. } => { |
| 1513 | let prompt = extract_user_prompt(text); |
| 1514 | if prompt.is_empty() { |
| 1515 | None |
| 1516 | } else { |
| 1517 | Some(truncate_title(prompt, 50)) |
| 1518 | } |
| 1519 | } |
| 1520 | _ => None, |
| 1521 | }) |
| 1522 | }) |
| 1523 | .unwrap_or_else(|| "New Session".to_string()); |
| 1524 | |
| 1525 | SavedSession { |
| 1526 | schema_version: CURRENT_SESSION_SCHEMA_VERSION, |
| 1527 | metadata: SessionMetadata { |
| 1528 | id, |
| 1529 | title, |
| 1530 | created_at: now, |
| 1531 | updated_at: now, |
| 1532 | message_count: messages.len(), |
| 1533 | total_tokens, |
| 1534 | model: model.to_string(), |
| 1535 | model_provider: default_model_provider(), |
| 1536 | model_provider_id: None, |
| 1537 | workspace: workspace.to_path_buf(), |
| 1538 | mode: mode.map(str::to_string), |
| 1539 | cost: SessionCostSnapshot::default(), |
| 1540 | parent_session_id: None, |
| 1541 | forked_from_message_count: None, |
| 1542 | cumulative_turn_secs: 0, |
| 1543 | archived: false, |
| 1544 | }, |
| 1545 | messages: messages.to_vec(), |
| 1546 | system_prompt: system_prompt_to_string(system_prompt), |
| 1547 | context_references: Vec::new(), |
| 1548 | artifacts: Vec::new(), |
| 1549 | work_state: None, |
| 1550 | last_auto_route: None, |
| 1551 | } |
| 1552 | } |
| 1553 | |
| 1554 | /// Update an existing session with new messages |
| 1555 | pub fn update_session( |
| 1556 | mut session: SavedSession, |
| 1557 | messages: &[Message], |
| 1558 | total_tokens: u64, |
| 1559 | system_prompt: Option<&SystemPrompt>, |
| 1560 | ) -> SavedSession { |
| 1561 | session.schema_version = CURRENT_SESSION_SCHEMA_VERSION; |
| 1562 | session.messages.clear(); |
| 1563 | session.messages.extend_from_slice(messages); |
| 1564 | session.metadata.updated_at = Utc::now(); |
| 1565 | session.metadata.message_count = messages.len(); |
| 1566 | session.metadata.total_tokens = total_tokens; |
| 1567 | session.system_prompt = system_prompt_to_string(system_prompt); |
| 1568 | session |
| 1569 | } |
| 1570 | |
| 1571 | /// Strip a stale `[Session note]` block that was written by the old |
| 1572 | /// 500-message cap. Only removes notes that contain the specific |
| 1573 | /// "older messages were dropped" phrase — ordinary user-added |
| 1574 | /// `[Session note]` prompts are left untouched. |
| 1575 | fn strip_legacy_truncation_note(system_prompt: Option<String>) -> Option<String> { |
| 1576 | let sp = system_prompt?; |
| 1577 | let Some(trimmed) = sp.strip_prefix("[Session note]\n") else { |
| 1578 | return Some(sp); |
| 1579 | }; |
| 1580 | // Only strip if this is the known cap_messages note. |
| 1581 | if !trimmed.contains("older messages were dropped") { |
| 1582 | return Some(sp); |
| 1583 | } |
| 1584 | // The note block ends with "\n\n---\n\n" (7 chars) followed by the real prompt. |
| 1585 | trimmed |
| 1586 | .find("\n\n---\n\n") |
| 1587 | .map(|pos| trimmed[pos + 7..].to_string()) |
| 1588 | } |
| 1589 | |
| 1590 | /// String-scan a JSON byte buffer for the top-level `"metadata":{...}` |
| 1591 | /// block and return it parsed. Returns `None` if no balanced metadata |
| 1592 | /// object is present in the buffer. |
| 1593 | /// |
| 1594 | /// Supports the optimisation in `SessionManager::load_session_metadata` |
| 1595 | /// (#337). The scanner is brace-balanced and string-aware so a `{` or |
| 1596 | /// `}` appearing inside a string literal doesn't perturb the depth |
| 1597 | /// count. |
| 1598 | fn extract_top_level_metadata(buf: &[u8]) -> Option<SessionMetadata> { |
| 1599 | let s = std::str::from_utf8(buf).ok()?; |
| 1600 | let bytes = s.as_bytes(); |
| 1601 | |
| 1602 | // Find the FIRST `"metadata"` key that appears outside of any string |
| 1603 | // literal. Walking with brace/string awareness costs almost nothing |
| 1604 | // and avoids matching `metadata` inside an earlier message body. |
| 1605 | let key_pat = b"\"metadata\""; |
| 1606 | let mut idx = 0usize; |
| 1607 | let mut in_string = false; |
| 1608 | let mut escape = false; |
| 1609 | let key_offset = loop { |
| 1610 | if idx >= bytes.len() { |
| 1611 | return None; |
| 1612 | } |
| 1613 | let c = bytes[idx]; |
| 1614 | if escape { |
| 1615 | escape = false; |
| 1616 | idx += 1; |
| 1617 | continue; |
| 1618 | } |
| 1619 | if c == b'\\' { |
| 1620 | escape = true; |
| 1621 | idx += 1; |
| 1622 | continue; |
| 1623 | } |
| 1624 | if c == b'"' { |
| 1625 | // If we're already in a string, this closes it; otherwise it |
| 1626 | // opens one. But before flipping we check for the key match |
| 1627 | // when we're entering a string at exactly this position. |
| 1628 | if !in_string && bytes[idx..].starts_with(key_pat) { |
| 1629 | break idx; |
| 1630 | } |
| 1631 | in_string = !in_string; |
| 1632 | idx += 1; |
| 1633 | continue; |
| 1634 | } |
| 1635 | idx += 1; |
| 1636 | }; |
| 1637 | |
| 1638 | // Position past the key. |
| 1639 | let after_key = key_offset + key_pat.len(); |
| 1640 | // Find the colon that separates key from value (skip whitespace). |
| 1641 | let mut after_colon = after_key; |
| 1642 | while after_colon < bytes.len() && (bytes[after_colon] as char).is_whitespace() { |
| 1643 | after_colon += 1; |
| 1644 | } |
| 1645 | if after_colon >= bytes.len() || bytes[after_colon] != b':' { |
| 1646 | return None; |
| 1647 | } |
| 1648 | after_colon += 1; |
| 1649 | while after_colon < bytes.len() && (bytes[after_colon] as char).is_whitespace() { |
| 1650 | after_colon += 1; |
| 1651 | } |
| 1652 | if after_colon >= bytes.len() || bytes[after_colon] != b'{' { |
| 1653 | return None; |
| 1654 | } |
| 1655 | |
| 1656 | // Walk the object, balancing braces. |
| 1657 | let mut depth = 0i32; |
| 1658 | let mut in_string = false; |
| 1659 | let mut escape = false; |
| 1660 | let mut end = None; |
| 1661 | for (i, &c) in bytes[after_colon..].iter().enumerate() { |
| 1662 | let abs = after_colon + i; |
| 1663 | if escape { |
| 1664 | escape = false; |
| 1665 | continue; |
| 1666 | } |
| 1667 | if c == b'\\' { |
| 1668 | escape = true; |
| 1669 | continue; |
| 1670 | } |
| 1671 | if c == b'"' { |
| 1672 | in_string = !in_string; |
| 1673 | continue; |
| 1674 | } |
| 1675 | if in_string { |
| 1676 | continue; |
| 1677 | } |
| 1678 | match c { |
| 1679 | b'{' => depth += 1, |
| 1680 | b'}' => { |
| 1681 | depth -= 1; |
| 1682 | if depth == 0 { |
| 1683 | end = Some(abs + 1); |
| 1684 | break; |
| 1685 | } |
| 1686 | } |
| 1687 | _ => {} |
| 1688 | } |
| 1689 | } |
| 1690 | let end = end?; |
| 1691 | serde_json::from_str::<SessionMetadata>(&s[after_colon..end]).ok() |
| 1692 | } |
| 1693 | |
| 1694 | fn system_prompt_to_string(system_prompt: Option<&SystemPrompt>) -> Option<String> { |
| 1695 | match system_prompt { |
| 1696 | Some(SystemPrompt::Text(text)) => Some(text.clone()), |
| 1697 | Some(SystemPrompt::Blocks(blocks)) => Some( |
| 1698 | blocks |
| 1699 | .iter() |
| 1700 | .map(|b| b.text.clone()) |
| 1701 | .collect::<Vec<_>>() |
| 1702 | .join("\n\n---\n\n"), |
| 1703 | ), |
| 1704 | None => None, |
| 1705 | } |
| 1706 | } |
| 1707 | |
| 1708 | /// Truncate a session ID to 8 characters for compact display. |
| 1709 | /// Returns a `&str` borrowing from the input — no allocation. |
| 1710 | pub fn truncate_id(id: &str) -> &str { |
| 1711 | id.get(..8).unwrap_or(id) |
| 1712 | } |
| 1713 | |
| 1714 | /// Strip a leading `<turn_meta>...</turn_meta>` block from saved user text. |
| 1715 | /// |
| 1716 | /// Older sessions can have turn metadata prefixed to the first user message. |
| 1717 | /// The session picker and generated session titles should show the user's |
| 1718 | /// prompt, not the cache/debug envelope. |
| 1719 | pub(crate) fn extract_user_prompt(raw: &str) -> &str { |
| 1720 | let trimmed = raw.trim_start(); |
| 1721 | let Some(after_open) = trimmed.strip_prefix("<turn_meta>") else { |
| 1722 | return trimmed; |
| 1723 | }; |
| 1724 | if let Some(close_pos) = after_open.find("</turn_meta>") { |
| 1725 | return after_open[close_pos + "</turn_meta>".len()..].trim_start(); |
| 1726 | } |
| 1727 | after_open.trim_start() |
| 1728 | } |
| 1729 | |
| 1730 | /// Clean a stored title for display, falling back to a neutral label. |
| 1731 | pub(crate) fn extract_title(raw: &str) -> &str { |
| 1732 | let title = extract_user_prompt(raw); |
| 1733 | if title.is_empty() { "Session" } else { title } |
| 1734 | } |
| 1735 | |
| 1736 | /// Strip common inline thinking/reasoning XML sections from saved assistant |
| 1737 | /// text before it is shown in session previews. |
| 1738 | pub(crate) fn strip_thinking_tags(text: &str) -> String { |
| 1739 | if !text.contains("<think") && !text.contains("<thinking") && !text.contains("<reasoning") { |
| 1740 | return text.to_string(); |
| 1741 | } |
| 1742 | |
| 1743 | let tags = ["think", "thinking", "reasoning"]; |
| 1744 | let mut result = text.to_string(); |
| 1745 | for tag in tags { |
| 1746 | let open = format!("<{tag}>"); |
| 1747 | let close = format!("</{tag}>"); |
| 1748 | while let Some(start) = result.find(&open) { |
| 1749 | let Some(end) = result[start..].find(&close) else { |
| 1750 | break; |
| 1751 | }; |
| 1752 | let end_abs = start + end + close.len(); |
| 1753 | result.replace_range(start..end_abs, ""); |
| 1754 | } |
| 1755 | } |
| 1756 | result |
| 1757 | } |
| 1758 | |
| 1759 | /// Truncate a string to create a title (character-safe for UTF-8) |
| 1760 | fn truncate_title(s: &str, max_len: usize) -> String { |
| 1761 | let s = s.trim(); |
| 1762 | let first_line = s.lines().next().unwrap_or(s); |
| 1763 | |
| 1764 | let char_count = first_line.chars().count(); |
| 1765 | if char_count <= max_len { |
| 1766 | first_line.to_string() |
| 1767 | } else { |
| 1768 | let truncated: String = first_line.chars().take(max_len - 3).collect(); |
| 1769 | format!("{truncated}...") |
| 1770 | } |
| 1771 | } |
| 1772 | |
| 1773 | /// Format a session for display in a picker |
| 1774 | pub fn format_session_line(meta: &SessionMetadata) -> String { |
| 1775 | let age = format_age(&meta.updated_at); |
| 1776 | let updated = format_session_updated_at(&meta.updated_at, &age); |
| 1777 | let truncated_title = truncate_title(extract_title(&meta.title), 40); |
| 1778 | let fork_label = if meta.parent_session_id.is_some() { |
| 1779 | " | fork" |
| 1780 | } else { |
| 1781 | "" |
| 1782 | }; |
| 1783 | |
| 1784 | format!( |
| 1785 | "{} | {} | {} msgs{} | {}", |
| 1786 | truncate_id(&meta.id), |
| 1787 | truncated_title, |
| 1788 | meta.message_count, |
| 1789 | fork_label, |
| 1790 | updated |
| 1791 | ) |
| 1792 | } |
| 1793 | |
| 1794 | pub(crate) fn format_session_updated_at(dt: &DateTime<Utc>, age: &str) -> String { |
| 1795 | format!("{} ({age})", dt.format("%Y-%m-%d %H:%M UTC")) |
| 1796 | } |
| 1797 | |
| 1798 | /// Format a datetime as relative age |
| 1799 | fn format_age(dt: &DateTime<Utc>) -> String { |
| 1800 | let now = Utc::now(); |
| 1801 | let duration = now.signed_duration_since(*dt); |
| 1802 | |
| 1803 | if duration.num_minutes() < 1 { |
| 1804 | "just now".to_string() |
| 1805 | } else if duration.num_hours() < 1 { |
| 1806 | format!("{}m ago", duration.num_minutes()) |
| 1807 | } else if duration.num_days() < 1 { |
| 1808 | format!("{}h ago", duration.num_hours()) |
| 1809 | } else if duration.num_weeks() < 1 { |
| 1810 | format!("{}d ago", duration.num_days()) |
| 1811 | } else { |
| 1812 | format!("{}w ago", duration.num_weeks()) |
| 1813 | } |
| 1814 | } |
| 1815 | |
| 1816 | // === Unit Tests === |
| 1817 | |
| 1818 | #[cfg(test)] |
| 1819 | mod tests { |
| 1820 | use super::*; |
| 1821 | use crate::models::ContentBlock; |
| 1822 | use crate::tools::plan::StepStatus; |
| 1823 | use crate::tui::history::{HistoryCell, ToolCell, history_cells_from_message}; |
| 1824 | use std::fs; |
| 1825 | use tempfile::tempdir; |
| 1826 | |
| 1827 | fn make_test_message(role: &str, text: &str) -> Message { |
| 1828 | Message { |
| 1829 | role: role.to_string(), |
| 1830 | content: vec![ContentBlock::Text { |
| 1831 | text: text.to_string(), |
| 1832 | cache_control: None, |
| 1833 | }], |
| 1834 | } |
| 1835 | } |
| 1836 | |
| 1837 | /// Coverage state round-trips with the money it qualifies, and a session |
| 1838 | /// written before coverage existed is detected as *unknown* rather than being |
| 1839 | /// read as a complete total covering zero turns (#4318). |
| 1840 | #[test] |
| 1841 | fn cost_snapshot_round_trips_coverage_and_detects_legacy_unknown() { |
| 1842 | // A pre-coverage row: real money, no coverage fields at all. |
| 1843 | let legacy: SessionCostSnapshot = serde_json::from_value(serde_json::json!({ |
| 1844 | "session_cost_usd": 1.25, |
| 1845 | "session_cost_cny": 0.0, |
| 1846 | "subagent_cost_usd": 0.0, |
| 1847 | "subagent_cost_cny": 0.0, |
| 1848 | "displayed_cost_high_water_usd": 1.25, |
| 1849 | "displayed_cost_high_water_cny": 0.0 |
| 1850 | })) |
| 1851 | .expect("legacy cost snapshot stays readable"); |
| 1852 | assert_eq!(legacy.priced_turns, 0); |
| 1853 | assert_eq!(legacy.unpriced_turns, 0); |
| 1854 | assert!(!legacy.coverage_recorded); |
| 1855 | assert!( |
| 1856 | legacy.coverage_is_legacy_unknown(), |
| 1857 | "a non-zero total with no coverage evidence must not read as complete" |
| 1858 | ); |
| 1859 | |
| 1860 | // An all-zero pre-coverage session is still unknown: zero may mean no |
| 1861 | // turns, all unpriced turns, or exact zero usage. Absence of evidence is |
| 1862 | // never rewritten into a complete 0/0 claim. |
| 1863 | let empty = SessionCostSnapshot::default(); |
| 1864 | assert!(empty.coverage_is_legacy_unknown()); |
| 1865 | |
| 1866 | // A coverage-aware writer that recorded zero money-metered turns is also |
| 1867 | // not unknown — it positively knows the answer is zero. |
| 1868 | let recorded_zero = SessionCostSnapshot { |
| 1869 | session_cost_usd: 1.25, |
| 1870 | coverage_recorded: true, |
| 1871 | ..SessionCostSnapshot::default() |
| 1872 | }; |
| 1873 | assert!(!recorded_zero.coverage_is_legacy_unknown()); |
| 1874 | |
| 1875 | // Full round-trip of every coverage field. |
| 1876 | let full = SessionCostSnapshot { |
| 1877 | session_cost_usd: 2.5, |
| 1878 | session_cost_cny: 3.0, |
| 1879 | subagent_cost_usd: 0.5, |
| 1880 | subagent_cost_cny: 0.25, |
| 1881 | displayed_cost_high_water_usd: 3.0, |
| 1882 | displayed_cost_high_water_cny: 3.25, |
| 1883 | priced_turns: 7, |
| 1884 | unpriced_turns: 2, |
| 1885 | cny_priced_turns: 1, |
| 1886 | cny_unpriced_turns: 8, |
| 1887 | unpriced_reasons: ["missing_class_price".to_string()].into(), |
| 1888 | cny_unpriced_reasons: ["currency_not_published".to_string()].into(), |
| 1889 | unpriced_classes: ["cache_write".to_string()].into(), |
| 1890 | pricing_provenances: ["models_dev_bundled".to_string()].into(), |
| 1891 | live_pricing_defects: ["live_pricing_stale".to_string()].into(), |
| 1892 | live_pricing_unusable_defects: ["live_pricing_scope_mismatch".to_string()].into(), |
| 1893 | route_receipts: ["provider=anthropic identity=- model=claude-haiku-4-5 \ |
| 1894 | surface=first-party-payg endpoint_fp=abc123 currency=usd" |
| 1895 | .to_string()] |
| 1896 | .into(), |
| 1897 | coverage_recorded: true, |
| 1898 | }; |
| 1899 | let json = serde_json::to_string(&full).expect("serialize"); |
| 1900 | let back: SessionCostSnapshot = serde_json::from_str(&json).expect("round-trip"); |
| 1901 | assert_eq!(back.priced_turns, 7); |
| 1902 | assert_eq!(back.unpriced_turns, 2); |
| 1903 | assert_eq!(back.cny_priced_turns, 1); |
| 1904 | assert_eq!(back.cny_unpriced_turns, 8); |
| 1905 | assert_eq!(back.unpriced_reasons, full.unpriced_reasons); |
| 1906 | assert_eq!(back.cny_unpriced_reasons, full.cny_unpriced_reasons); |
| 1907 | assert_eq!(back.unpriced_classes, full.unpriced_classes); |
| 1908 | assert_eq!(back.pricing_provenances, full.pricing_provenances); |
| 1909 | assert_eq!(back.live_pricing_defects, full.live_pricing_defects); |
| 1910 | assert_eq!( |
| 1911 | back.live_pricing_unusable_defects, |
| 1912 | full.live_pricing_unusable_defects |
| 1913 | ); |
| 1914 | assert_eq!(back.route_receipts, full.route_receipts); |
| 1915 | assert!(back.coverage_recorded); |
| 1916 | assert!(!back.coverage_is_legacy_unknown()); |
| 1917 | |
| 1918 | // The persisted receipts carry no endpoint URL or credential. |
| 1919 | let lower = json.to_lowercase(); |
| 1920 | for needle in ["http", "api_key", "authorization", "bearer", "sk-"] { |
| 1921 | assert!(!lower.contains(needle), "{needle} leaked into {json}"); |
| 1922 | } |
| 1923 | } |
| 1924 | |
| 1925 | /// The USD and CNY totals a snapshot reports are projections of one |
| 1926 | /// dual-currency accumulation, never two independent sums that could |
| 1927 | /// disagree (#4939). |
| 1928 | /// |
| 1929 | /// For any turn sequence — dual-priced, USD-only, CNY-only, or garbage |
| 1930 | /// estimates — folding the turns jointly and projecting each currency must |
| 1931 | /// equal accumulating that currency on its own. This is the invariant that |
| 1932 | /// makes the persisted per-currency columns safe: they are written from the |
| 1933 | /// same joint fold, so a code path can no longer update one and forget the |
| 1934 | /// other. CNY is derived from provider-published CNY rows, not from an FX |
| 1935 | /// multiple of USD, so a USD-only turn must contribute exactly zero CNY. |
| 1936 | #[test] |
| 1937 | fn cost_snapshot_currency_totals_are_projections_of_one_accumulator() { |
| 1938 | use crate::pricing::CostEstimate; |
| 1939 | |
| 1940 | let turn_sequences: &[&[CostEstimate]] = &[ |
| 1941 | // Dual-priced turns (DeepSeek-style routes with a published CNY row). |
| 1942 | &[ |
| 1943 | CostEstimate { |
| 1944 | usd: 0.01, |
| 1945 | cny: 0.07, |
| 1946 | }, |
| 1947 | CostEstimate { |
| 1948 | usd: 0.02, |
| 1949 | cny: 0.14, |
| 1950 | }, |
| 1951 | ], |
| 1952 | // USD-only turns: CNY unpublished, so the CNY projection stays zero. |
| 1953 | &[ |
| 1954 | CostEstimate { |
| 1955 | usd: 0.25, |
| 1956 | cny: 0.0, |
| 1957 | }, |
| 1958 | CostEstimate { usd: 1.5, cny: 0.0 }, |
| 1959 | ], |
| 1960 | // Mixed: one currency priced per turn, alternating. |
| 1961 | &[ |
| 1962 | CostEstimate { usd: 0.5, cny: 0.0 }, |
| 1963 | CostEstimate { usd: 0.0, cny: 3.5 }, |
| 1964 | CostEstimate { |
| 1965 | usd: 0.125, |
| 1966 | cny: 0.875, |
| 1967 | }, |
| 1968 | ], |
| 1969 | // Hostile values: sanitization must apply identically per currency. |
| 1970 | &[ |
| 1971 | CostEstimate { |
| 1972 | usd: f64::NAN, |
| 1973 | cny: 0.25, |
| 1974 | }, |
| 1975 | CostEstimate { |
| 1976 | usd: 0.75, |
| 1977 | cny: -1.0, |
| 1978 | }, |
| 1979 | CostEstimate { |
| 1980 | usd: f64::INFINITY, |
| 1981 | cny: 0.25, |
| 1982 | }, |
| 1983 | ], |
| 1984 | ]; |
| 1985 | |
| 1986 | for turns in turn_sequences { |
| 1987 | // Joint fold: how the app accumulates (one accumulator, both |
| 1988 | // currencies advance together through the same saturating_add). |
| 1989 | let joint = turns.iter().fold(CostEstimate::default(), |acc, turn| { |
| 1990 | acc.saturating_add(*turn) |
| 1991 | }); |
| 1992 | |
| 1993 | // Independent per-currency folds: what a drifted parallel |
| 1994 | // accumulator would compute if it only saw one currency. |
| 1995 | let usd_alone = turns.iter().fold(CostEstimate::default(), |acc, turn| { |
| 1996 | acc.saturating_add(CostEstimate { |
| 1997 | usd: turn.usd, |
| 1998 | cny: 0.0, |
| 1999 | }) |
| 2000 | }); |
| 2001 | let cny_alone = turns.iter().fold(CostEstimate::default(), |acc, turn| { |
| 2002 | acc.saturating_add(CostEstimate { |
| 2003 | usd: 0.0, |
| 2004 | cny: turn.cny, |
| 2005 | }) |
| 2006 | }); |
| 2007 | |
| 2008 | let snapshot = SessionCostSnapshot { |
| 2009 | session_cost_usd: joint.usd, |
| 2010 | session_cost_cny: joint.cny, |
| 2011 | ..SessionCostSnapshot::default() |
| 2012 | }; |
| 2013 | assert_eq!( |
| 2014 | snapshot.total_usd(), |
| 2015 | usd_alone.usd, |
| 2016 | "USD projection drifted from independent accumulation for {turns:?}" |
| 2017 | ); |
| 2018 | assert_eq!( |
| 2019 | snapshot.total_cny(), |
| 2020 | cny_alone.cny, |
| 2021 | "CNY projection drifted from independent accumulation for {turns:?}" |
| 2022 | ); |
| 2023 | assert_eq!(snapshot.total_estimate().usd, snapshot.total_usd()); |
| 2024 | assert_eq!(snapshot.total_estimate().cny, snapshot.total_cny()); |
| 2025 | } |
| 2026 | |
| 2027 | // A USD-only session projects zero CNY — no fabricated FX conversion — |
| 2028 | // and the subagent column joins the same fold. |
| 2029 | let usd_only = SessionCostSnapshot { |
| 2030 | session_cost_usd: 2.5, |
| 2031 | subagent_cost_usd: 0.5, |
| 2032 | ..SessionCostSnapshot::default() |
| 2033 | }; |
| 2034 | assert_eq!(usd_only.total_usd(), 3.0); |
| 2035 | assert_eq!(usd_only.total_cny(), 0.0); |
| 2036 | } |
| 2037 | |
| 2038 | fn write_session_record( |
| 2039 | manager: &SessionManager, |
| 2040 | id: &str, |
| 2041 | workspace: &Path, |
| 2042 | updated_at: DateTime<Utc>, |
| 2043 | ) { |
| 2044 | let session = SavedSession { |
| 2045 | schema_version: CURRENT_SESSION_SCHEMA_VERSION, |
| 2046 | messages: vec![make_test_message("user", "hi")], |
| 2047 | metadata: SessionMetadata { |
| 2048 | id: id.to_string(), |
| 2049 | title: format!("session-{id}"), |
| 2050 | created_at: updated_at, |
| 2051 | updated_at, |
| 2052 | message_count: 1, |
| 2053 | total_tokens: 0, |
| 2054 | model: "deepseek-v4-flash".to_string(), |
| 2055 | model_provider: "deepseek".to_string(), |
| 2056 | model_provider_id: None, |
| 2057 | workspace: workspace.to_path_buf(), |
| 2058 | mode: None, |
| 2059 | cost: SessionCostSnapshot::default(), |
| 2060 | parent_session_id: None, |
| 2061 | forked_from_message_count: None, |
| 2062 | cumulative_turn_secs: 0, |
| 2063 | archived: false, |
| 2064 | }, |
| 2065 | system_prompt: None, |
| 2066 | context_references: Vec::new(), |
| 2067 | artifacts: Vec::new(), |
| 2068 | work_state: None, |
| 2069 | last_auto_route: None, |
| 2070 | }; |
| 2071 | manager.save_session(&session).expect("save"); |
| 2072 | } |
| 2073 | |
| 2074 | fn write_empty_session_record( |
| 2075 | manager: &SessionManager, |
| 2076 | id: &str, |
| 2077 | workspace: &Path, |
| 2078 | updated_at: DateTime<Utc>, |
| 2079 | ) { |
| 2080 | let session = SavedSession { |
| 2081 | schema_version: CURRENT_SESSION_SCHEMA_VERSION, |
| 2082 | messages: Vec::new(), |
| 2083 | metadata: SessionMetadata { |
| 2084 | id: id.to_string(), |
| 2085 | title: "New Session".to_string(), |
| 2086 | created_at: updated_at, |
| 2087 | updated_at, |
| 2088 | message_count: 0, |
| 2089 | total_tokens: 0, |
| 2090 | model: "deepseek-v4-pro".to_string(), |
| 2091 | model_provider: "deepseek".to_string(), |
| 2092 | model_provider_id: None, |
| 2093 | workspace: workspace.to_path_buf(), |
| 2094 | mode: Some("yolo".to_string()), |
| 2095 | cost: SessionCostSnapshot::default(), |
| 2096 | parent_session_id: None, |
| 2097 | forked_from_message_count: None, |
| 2098 | cumulative_turn_secs: 0, |
| 2099 | archived: false, |
| 2100 | }, |
| 2101 | system_prompt: None, |
| 2102 | context_references: Vec::new(), |
| 2103 | artifacts: Vec::new(), |
| 2104 | work_state: None, |
| 2105 | last_auto_route: None, |
| 2106 | }; |
| 2107 | manager.save_session(&session).expect("save empty"); |
| 2108 | } |
| 2109 | |
| 2110 | #[test] |
| 2111 | fn session_boot_owner_stamps_only_the_creating_instance() { |
| 2112 | let tmp = tempdir().expect("tempdir"); |
| 2113 | let manager = SessionManager::new(tmp.path().to_path_buf()).expect("manager"); |
| 2114 | let workspace = tmp.path().join("ws"); |
| 2115 | |
| 2116 | // A record this instance creates is stamped with this boot id and is |
| 2117 | // therefore not prior-instance work. |
| 2118 | write_session_record(&manager, "mine", &workspace, Utc::now()); |
| 2119 | assert_eq!( |
| 2120 | manager.session_boot_owner("mine").as_deref(), |
| 2121 | Some(current_session_boot_id()) |
| 2122 | ); |
| 2123 | assert!(!manager.session_from_prior_instance("mine")); |
| 2124 | |
| 2125 | // An id with no durable record at all is this instance's own |
| 2126 | // not-yet-persisted session. |
| 2127 | assert!(!manager.session_from_prior_instance("unsaved")); |
| 2128 | |
| 2129 | // A record stamped by another boot id stays owned by that instance, |
| 2130 | // even after this instance re-serializes it (crash recovery must not |
| 2131 | // re-badge restored work as ours). |
| 2132 | manager |
| 2133 | .record_session_boot_owner("theirs", "boot_other_instance") |
| 2134 | .expect("stamp"); |
| 2135 | write_session_record(&manager, "theirs", &workspace, Utc::now()); |
| 2136 | assert_eq!( |
| 2137 | manager.session_boot_owner("theirs").as_deref(), |
| 2138 | Some("boot_other_instance") |
| 2139 | ); |
| 2140 | assert!(manager.session_from_prior_instance("theirs")); |
| 2141 | |
| 2142 | // A legacy record with no marker is classified as prior-instance |
| 2143 | // work, and a later re-save keeps it unclaimed. |
| 2144 | write_session_record(&manager, "legacy", &workspace, Utc::now()); |
| 2145 | manager.clear_session_boot_owner("legacy"); |
| 2146 | assert!(manager.session_from_prior_instance("legacy")); |
| 2147 | write_session_record(&manager, "legacy", &workspace, Utc::now()); |
| 2148 | assert!(manager.session_from_prior_instance("legacy")); |
| 2149 | |
| 2150 | // Deleting the record drops its marker. |
| 2151 | manager.delete_session("theirs").expect("delete"); |
| 2152 | assert_eq!(manager.session_boot_owner("theirs"), None); |
| 2153 | } |
| 2154 | |
| 2155 | #[test] |
| 2156 | fn session_boot_owner_sidecar_never_lists_as_a_session() { |
| 2157 | let tmp = tempdir().expect("tempdir"); |
| 2158 | let manager = SessionManager::new(tmp.path().to_path_buf()).expect("manager"); |
| 2159 | write_session_record(&manager, "real", &tmp.path().join("ws"), Utc::now()); |
| 2160 | assert!(manager.session_boot_owners_path().exists()); |
| 2161 | let listed = manager.list_sessions().expect("list"); |
| 2162 | assert_eq!(listed.len(), 1); |
| 2163 | assert_eq!(listed[0].id, "real"); |
| 2164 | // The reserved stem cannot be claimed as a session id either. |
| 2165 | assert!(manager.load_session("session_boot_owners").is_err()); |
| 2166 | } |
| 2167 | |
| 2168 | #[test] |
| 2169 | fn test_session_manager_new() { |
| 2170 | let tmp = tempdir().expect("tempdir"); |
| 2171 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2172 | assert!(tmp.path().join("sessions").exists()); |
| 2173 | let _ = manager; |
| 2174 | } |
| 2175 | |
| 2176 | #[test] |
| 2177 | fn test_save_and_load_session() { |
| 2178 | let tmp = tempdir().expect("tempdir"); |
| 2179 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2180 | |
| 2181 | let messages = vec![ |
| 2182 | make_test_message("user", "Hello!"), |
| 2183 | make_test_message("assistant", "Hi there!"), |
| 2184 | ]; |
| 2185 | |
| 2186 | let session = create_saved_session(&messages, "test-model", tmp.path(), 100, None); |
| 2187 | let session_id = session.metadata.id.clone(); |
| 2188 | |
| 2189 | manager.save_session(&session).expect("save"); |
| 2190 | |
| 2191 | let loaded = manager.load_session(&session_id).expect("load"); |
| 2192 | assert_eq!(loaded.metadata.id, session_id); |
| 2193 | assert_eq!(loaded.messages.len(), 2); |
| 2194 | } |
| 2195 | |
| 2196 | /// #4681: reopening a session must not surface `<turn_meta>` machine |
| 2197 | /// blocks in the transcript. Covers the current trailing shape and the |
| 2198 | /// legacy leading shape (sessions saved before the turn-meta tail move), |
| 2199 | /// while the loaded API history keeps both envelopes intact for replay. |
| 2200 | #[test] |
| 2201 | fn rehydrated_turn_meta_blocks_never_render_in_history_cells() { |
| 2202 | let tmp = tempdir().expect("tempdir"); |
| 2203 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2204 | |
| 2205 | let turn_meta = "<turn_meta>\nCurrent local date: 2026-08-01\n</turn_meta>"; |
| 2206 | let trailing_shape = Message { |
| 2207 | role: "user".to_string(), |
| 2208 | content: vec![ |
| 2209 | ContentBlock::Text { |
| 2210 | text: "Fix the flaky test".to_string(), |
| 2211 | cache_control: None, |
| 2212 | }, |
| 2213 | ContentBlock::Text { |
| 2214 | text: turn_meta.to_string(), |
| 2215 | cache_control: None, |
| 2216 | }, |
| 2217 | ], |
| 2218 | }; |
| 2219 | let legacy_leading_shape = Message { |
| 2220 | role: "user".to_string(), |
| 2221 | content: vec![ |
| 2222 | ContentBlock::Text { |
| 2223 | text: turn_meta.to_string(), |
| 2224 | cache_control: None, |
| 2225 | }, |
| 2226 | ContentBlock::Text { |
| 2227 | text: "Now add the docs".to_string(), |
| 2228 | cache_control: None, |
| 2229 | }, |
| 2230 | ], |
| 2231 | }; |
| 2232 | let messages = vec![ |
| 2233 | trailing_shape, |
| 2234 | make_test_message("assistant", "Done."), |
| 2235 | legacy_leading_shape, |
| 2236 | ]; |
| 2237 | let session = create_saved_session(&messages, "test-model", tmp.path(), 100, None); |
| 2238 | let session_id = session.metadata.id.clone(); |
| 2239 | manager.save_session(&session).expect("save"); |
| 2240 | |
| 2241 | let loaded = manager.load_session(&session_id).expect("load"); |
| 2242 | |
| 2243 | // Display path: no rendered cell may carry turn_meta markup. |
| 2244 | let rendered: Vec<HistoryCell> = loaded |
| 2245 | .messages |
| 2246 | .iter() |
| 2247 | .flat_map(history_cells_from_message) |
| 2248 | .collect(); |
| 2249 | let user_texts: Vec<&str> = rendered |
| 2250 | .iter() |
| 2251 | .filter_map(|cell| match cell { |
| 2252 | HistoryCell::User { content } => Some(content.as_str()), |
| 2253 | _ => None, |
| 2254 | }) |
| 2255 | .collect(); |
| 2256 | assert_eq!(user_texts, vec!["Fix the flaky test", "Now add the docs"]); |
| 2257 | assert!( |
| 2258 | !user_texts.iter().any(|text| text.contains("<turn_meta")), |
| 2259 | "rendered cells must not contain turn_meta markup: {user_texts:?}" |
| 2260 | ); |
| 2261 | |
| 2262 | // Model-facing replay: the persisted envelopes survive the round trip. |
| 2263 | let replayed_envelopes = loaded |
| 2264 | .messages |
| 2265 | .iter() |
| 2266 | .flat_map(|message| &message.content) |
| 2267 | .filter(|block| { |
| 2268 | matches!(block, ContentBlock::Text { text, .. } if text.contains("<turn_meta>")) |
| 2269 | }) |
| 2270 | .count(); |
| 2271 | assert_eq!(replayed_envelopes, 2); |
| 2272 | } |
| 2273 | |
| 2274 | #[test] |
| 2275 | fn load_session_repairs_dangling_tool_call_with_visible_receipt() { |
| 2276 | let tmp = tempdir().expect("tempdir"); |
| 2277 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2278 | let messages = vec![Message { |
| 2279 | role: "assistant".to_string(), |
| 2280 | content: vec![ContentBlock::ToolUse { |
| 2281 | id: "call-crashed".to_string(), |
| 2282 | name: "read_file".to_string(), |
| 2283 | input: serde_json::json!({"path": "README.md"}), |
| 2284 | caller: None, |
| 2285 | }], |
| 2286 | }]; |
| 2287 | let session = create_saved_session(&messages, "test-model", tmp.path(), 0, None); |
| 2288 | let session_id = session.metadata.id.clone(); |
| 2289 | manager.save_session(&session).expect("save"); |
| 2290 | |
| 2291 | let loaded = manager.load_session(&session_id).expect("load"); |
| 2292 | |
| 2293 | assert_eq!(loaded.metadata.message_count, loaded.messages.len()); |
| 2294 | assert!(loaded.messages.iter().any(|message| { |
| 2295 | message.content.iter().any(|block| { |
| 2296 | matches!( |
| 2297 | block, |
| 2298 | ContentBlock::ToolResult { |
| 2299 | tool_use_id, |
| 2300 | content, |
| 2301 | is_error: Some(true), |
| 2302 | .. |
| 2303 | } if tool_use_id == "call-crashed" && content.contains("crashed_and_repaired") |
| 2304 | ) |
| 2305 | }) |
| 2306 | })); |
| 2307 | assert!(loaded.messages.iter().any(|message| { |
| 2308 | (message.role == "assistant" |
| 2309 | || message.role == crate::models::INTERRUPTED_ASSISTANT_ROLE) |
| 2310 | && message.content.iter().any(|block| { |
| 2311 | matches!( |
| 2312 | block, |
| 2313 | ContentBlock::Text { text, .. } |
| 2314 | if text.contains("[tool_history_repair]") |
| 2315 | ) |
| 2316 | }) |
| 2317 | })); |
| 2318 | } |
| 2319 | |
| 2320 | #[test] |
| 2321 | fn save_and_load_session_preserves_rich_update_plan_tool_payload() { |
| 2322 | let tmp = tempdir().expect("tempdir"); |
| 2323 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2324 | let messages = vec![ |
| 2325 | make_test_message("user", "plan this carefully"), |
| 2326 | Message { |
| 2327 | role: "assistant".to_string(), |
| 2328 | content: vec![ContentBlock::ToolUse { |
| 2329 | id: "plan-1".to_string(), |
| 2330 | name: "update_plan".to_string(), |
| 2331 | input: serde_json::json!({ |
| 2332 | "objective": "Make Plan mode reviewable", |
| 2333 | "sources_used": ["gh issue view 2691"], |
| 2334 | "critical_files": ["crates/tui/src/tools/plan.rs"], |
| 2335 | "constraints": ["Preserve legacy update_plan payloads"], |
| 2336 | "verification_plan": "Run focused plan tests", |
| 2337 | "handoff_packet": "Next agent should inspect replay", |
| 2338 | "plan": [ |
| 2339 | { "step": "render replay card", "status": "completed" } |
| 2340 | ] |
| 2341 | }), |
| 2342 | caller: None, |
| 2343 | }], |
| 2344 | }, |
| 2345 | Message { |
| 2346 | role: "user".to_string(), |
| 2347 | content: vec![ContentBlock::ToolResult { |
| 2348 | tool_use_id: "plan-1".to_string(), |
| 2349 | content: "Plan updated".to_string(), |
| 2350 | is_error: None, |
| 2351 | content_blocks: None, |
| 2352 | }], |
| 2353 | }, |
| 2354 | ]; |
| 2355 | let session = create_saved_session(&messages, "deepseek-v4-flash", tmp.path(), 42, None); |
| 2356 | let session_id = session.metadata.id.clone(); |
| 2357 | |
| 2358 | manager.save_session(&session).expect("save"); |
| 2359 | let loaded = manager.load_session(&session_id).expect("load"); |
| 2360 | |
| 2361 | assert_eq!(loaded.messages.len(), 3); |
| 2362 | let cells = history_cells_from_message(&loaded.messages[1]); |
| 2363 | let Some(HistoryCell::Tool(ToolCell::PlanUpdate(cell))) = cells.first() else { |
| 2364 | panic!("expected loaded update_plan to replay as a PlanUpdate cell"); |
| 2365 | }; |
| 2366 | assert_eq!( |
| 2367 | cell.snapshot.objective.as_deref(), |
| 2368 | Some("Make Plan mode reviewable") |
| 2369 | ); |
| 2370 | assert_eq!( |
| 2371 | cell.snapshot.critical_files, |
| 2372 | vec!["crates/tui/src/tools/plan.rs"] |
| 2373 | ); |
| 2374 | assert_eq!(cell.snapshot.items[0].status, StepStatus::Completed); |
| 2375 | } |
| 2376 | |
| 2377 | #[test] |
| 2378 | fn save_session_preserves_large_tool_outputs_for_cache_fidelity() { |
| 2379 | let tmp = tempdir().expect("tempdir"); |
| 2380 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2381 | let raw = "RAW_SESSION_SENTINEL\n".repeat(2_000); |
| 2382 | let messages = vec![ |
| 2383 | Message { |
| 2384 | role: "assistant".to_string(), |
| 2385 | content: vec![ContentBlock::ToolUse { |
| 2386 | id: "call-big".to_string(), |
| 2387 | name: "exec_shell".to_string(), |
| 2388 | input: serde_json::json!({"command": "cargo test -p codewhale-tui"}), |
| 2389 | caller: None, |
| 2390 | }], |
| 2391 | }, |
| 2392 | Message { |
| 2393 | role: "user".to_string(), |
| 2394 | content: vec![ContentBlock::ToolResult { |
| 2395 | tool_use_id: "call-big".to_string(), |
| 2396 | content: raw.clone(), |
| 2397 | is_error: None, |
| 2398 | content_blocks: None, |
| 2399 | }], |
| 2400 | }, |
| 2401 | ]; |
| 2402 | let mut session = create_saved_session(&messages, "test-model", tmp.path(), 100, None); |
| 2403 | session.artifacts.push(crate::artifacts::ArtifactRecord { |
| 2404 | id: "art_call-big".to_string(), |
| 2405 | kind: crate::artifacts::ArtifactKind::ToolOutput, |
| 2406 | session_id: session.metadata.id.clone(), |
| 2407 | tool_call_id: "call-big".to_string(), |
| 2408 | tool_name: "exec_shell".to_string(), |
| 2409 | created_at: Utc::now(), |
| 2410 | byte_size: raw.len() as u64, |
| 2411 | preview: "checking crate ... error[E0425]".to_string(), |
| 2412 | storage_path: PathBuf::from("artifacts/art_call-big.txt"), |
| 2413 | }); |
| 2414 | |
| 2415 | let path = manager.save_session(&session).expect("save"); |
| 2416 | let persisted_json = fs::read_to_string(path).expect("read persisted session"); |
| 2417 | // Raw output is preserved in-session so resume can hit the LLM cache. |
| 2418 | assert!(persisted_json.contains("RAW_SESSION_SENTINEL")); |
| 2419 | |
| 2420 | let loaded = manager.load_session(&session.metadata.id).expect("load"); |
| 2421 | let ContentBlock::ToolResult { content, .. } = &loaded.messages[1].content[0] else { |
| 2422 | panic!("expected loaded tool result"); |
| 2423 | }; |
| 2424 | // Loaded session retains the original output for cache fidelity. |
| 2425 | assert!(content.contains("RAW_SESSION_SENTINEL")); |
| 2426 | assert!(!content.contains("[TOOL_OUTPUT_RECEIPT]")); |
| 2427 | } |
| 2428 | |
| 2429 | #[test] |
| 2430 | fn load_session_preserves_legacy_large_tool_outputs_for_cache_fidelity() { |
| 2431 | let tmp = tempdir().expect("tempdir"); |
| 2432 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2433 | let raw = "RAW_LEGACY_RESUME_SENTINEL\n".repeat(2_000); |
| 2434 | let messages = vec![ |
| 2435 | Message { |
| 2436 | role: "assistant".to_string(), |
| 2437 | content: vec![ContentBlock::ToolUse { |
| 2438 | id: "call-legacy".to_string(), |
| 2439 | name: "exec_shell".to_string(), |
| 2440 | input: serde_json::json!({"command": "cargo check"}), |
| 2441 | caller: None, |
| 2442 | }], |
| 2443 | }, |
| 2444 | Message { |
| 2445 | role: "user".to_string(), |
| 2446 | content: vec![ContentBlock::ToolResult { |
| 2447 | tool_use_id: "call-legacy".to_string(), |
| 2448 | content: raw.clone(), |
| 2449 | is_error: None, |
| 2450 | content_blocks: None, |
| 2451 | }], |
| 2452 | }, |
| 2453 | ]; |
| 2454 | let mut session = create_saved_session(&messages, "test-model", tmp.path(), 100, None); |
| 2455 | session.artifacts.push(crate::artifacts::ArtifactRecord { |
| 2456 | id: "art_call-legacy".to_string(), |
| 2457 | kind: crate::artifacts::ArtifactKind::ToolOutput, |
| 2458 | session_id: session.metadata.id.clone(), |
| 2459 | tool_call_id: "call-legacy".to_string(), |
| 2460 | tool_name: "exec_shell".to_string(), |
| 2461 | created_at: Utc::now(), |
| 2462 | byte_size: raw.len() as u64, |
| 2463 | preview: "cargo check output".to_string(), |
| 2464 | storage_path: PathBuf::from("artifacts/art_call-legacy.txt"), |
| 2465 | }); |
| 2466 | let path = manager |
| 2467 | .validated_session_path(&session.metadata.id) |
| 2468 | .expect("path"); |
| 2469 | fs::write( |
| 2470 | &path, |
| 2471 | serde_json::to_string_pretty(&session).expect("serialize legacy session"), |
| 2472 | ) |
| 2473 | .expect("write legacy raw session"); |
| 2474 | assert!( |
| 2475 | fs::read_to_string(&path) |
| 2476 | .expect("read legacy raw") |
| 2477 | .contains("RAW_LEGACY_RESUME_SENTINEL") |
| 2478 | ); |
| 2479 | |
| 2480 | let loaded = manager.load_session(&session.metadata.id).expect("load"); |
| 2481 | let ContentBlock::ToolResult { content, .. } = &loaded.messages[1].content[0] else { |
| 2482 | panic!("expected loaded tool result"); |
| 2483 | }; |
| 2484 | // Loaded session preserves original output so resume can hit the LLM cache. |
| 2485 | assert!(content.contains("RAW_LEGACY_RESUME_SENTINEL")); |
| 2486 | assert!(!content.contains("[TOOL_OUTPUT_RECEIPT]")); |
| 2487 | } |
| 2488 | |
| 2489 | #[test] |
| 2490 | fn test_list_sessions() { |
| 2491 | let tmp = tempdir().expect("tempdir"); |
| 2492 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2493 | |
| 2494 | // Create a few sessions |
| 2495 | for i in 0..3 { |
| 2496 | let messages = vec![make_test_message("user", &format!("Session {i}"))]; |
| 2497 | let session = create_saved_session(&messages, "test-model", tmp.path(), 100, None); |
| 2498 | manager.save_session(&session).expect("save"); |
| 2499 | } |
| 2500 | |
| 2501 | let sessions = manager.list_sessions().expect("list"); |
| 2502 | assert_eq!(sessions.len(), 3); |
| 2503 | } |
| 2504 | |
| 2505 | #[test] |
| 2506 | fn default_manager_copies_legacy_sessions_when_primary_already_exists() { |
| 2507 | let _lock = crate::test_support::lock_test_env(); |
| 2508 | let tmp = tempdir().expect("tempdir"); |
| 2509 | let home = tmp.path().join("home"); |
| 2510 | let _home = crate::test_support::EnvVarGuard::set("HOME", &home); |
| 2511 | let _codewhale_home = crate::test_support::EnvVarGuard::remove("CODEWHALE_HOME"); |
| 2512 | |
| 2513 | let primary_sessions = home.join(".codewhale").join("sessions"); |
| 2514 | let legacy_sessions = home.join(".deepseek").join("sessions"); |
| 2515 | fs::create_dir_all(&primary_sessions).expect("primary sessions"); |
| 2516 | fs::create_dir_all(&legacy_sessions).expect("legacy sessions"); |
| 2517 | fs::create_dir_all(legacy_sessions.join("checkpoints")).expect("legacy checkpoints"); |
| 2518 | fs::write( |
| 2519 | legacy_sessions.join("checkpoints").join("latest.json"), |
| 2520 | "{}", |
| 2521 | ) |
| 2522 | .expect("legacy checkpoint"); |
| 2523 | |
| 2524 | let mut legacy_session = create_saved_session( |
| 2525 | &[make_test_message("user", "find my old session")], |
| 2526 | "test-model", |
| 2527 | tmp.path(), |
| 2528 | 100, |
| 2529 | None, |
| 2530 | ); |
| 2531 | legacy_session.metadata.id = "legacy-visible".to_string(); |
| 2532 | legacy_session.metadata.title = "session from legacy home".to_string(); |
| 2533 | fs::write( |
| 2534 | legacy_sessions.join("legacy-visible.json"), |
| 2535 | serde_json::to_string_pretty(&legacy_session).expect("serialize legacy session"), |
| 2536 | ) |
| 2537 | .expect("write legacy session"); |
| 2538 | |
| 2539 | let manager = SessionManager::default_location().expect("default manager"); |
| 2540 | assert_eq!(manager.sessions_dir(), primary_sessions.as_path()); |
| 2541 | assert!(primary_sessions.join("legacy-visible.json").exists()); |
| 2542 | assert!(!primary_sessions.join("checkpoints").exists()); |
| 2543 | assert!(legacy_sessions.join("legacy-visible.json").exists()); |
| 2544 | |
| 2545 | let sessions = manager.list_sessions().expect("list"); |
| 2546 | assert_eq!(sessions.len(), 1); |
| 2547 | assert_eq!(sessions[0].id, "legacy-visible"); |
| 2548 | } |
| 2549 | |
| 2550 | #[test] |
| 2551 | fn legacy_session_copy_never_overwrites_primary_session() { |
| 2552 | let _lock = crate::test_support::lock_test_env(); |
| 2553 | let tmp = tempdir().expect("tempdir"); |
| 2554 | let home = tmp.path().join("home"); |
| 2555 | let _home = crate::test_support::EnvVarGuard::set("HOME", &home); |
| 2556 | let _codewhale_home = crate::test_support::EnvVarGuard::remove("CODEWHALE_HOME"); |
| 2557 | |
| 2558 | let primary_sessions = home.join(".codewhale").join("sessions"); |
| 2559 | let legacy_sessions = home.join(".deepseek").join("sessions"); |
| 2560 | fs::create_dir_all(&primary_sessions).expect("primary sessions"); |
| 2561 | fs::create_dir_all(&legacy_sessions).expect("legacy sessions"); |
| 2562 | |
| 2563 | let primary_path = primary_sessions.join("same-id.json"); |
| 2564 | fs::write(&primary_path, "primary data wins").expect("write primary session"); |
| 2565 | fs::write( |
| 2566 | legacy_sessions.join("same-id.json"), |
| 2567 | "legacy data must not overwrite", |
| 2568 | ) |
| 2569 | .expect("write legacy session"); |
| 2570 | |
| 2571 | let dir = default_sessions_dir().expect("default session dir"); |
| 2572 | assert_eq!(dir, primary_sessions); |
| 2573 | assert_eq!( |
| 2574 | fs::read_to_string(primary_path).expect("read primary session"), |
| 2575 | "primary data wins" |
| 2576 | ); |
| 2577 | } |
| 2578 | |
| 2579 | #[test] |
| 2580 | fn explicit_codewhale_home_disables_legacy_session_copy() { |
| 2581 | let _lock = crate::test_support::lock_test_env(); |
| 2582 | let tmp = tempdir().expect("tempdir"); |
| 2583 | let home = tmp.path().join("home"); |
| 2584 | let explicit_home = tmp.path().join("explicit-codewhale"); |
| 2585 | let _home = crate::test_support::EnvVarGuard::set("HOME", &home); |
| 2586 | let _codewhale_home = |
| 2587 | crate::test_support::EnvVarGuard::set("CODEWHALE_HOME", &explicit_home); |
| 2588 | |
| 2589 | let legacy_sessions = home.join(".deepseek").join("sessions"); |
| 2590 | fs::create_dir_all(&legacy_sessions).expect("legacy sessions"); |
| 2591 | fs::write(legacy_sessions.join("legacy-visible.json"), "{}").expect("write legacy session"); |
| 2592 | |
| 2593 | let dir = default_sessions_dir().expect("default session dir"); |
| 2594 | assert_eq!(dir, explicit_home.join("sessions")); |
| 2595 | assert!(!dir.join("legacy-visible.json").exists()); |
| 2596 | } |
| 2597 | |
| 2598 | #[cfg(unix)] |
| 2599 | #[test] |
| 2600 | fn non_unicode_codewhale_home_is_still_an_explicit_session_boundary() { |
| 2601 | use std::os::unix::ffi::OsStringExt; |
| 2602 | |
| 2603 | let _lock = crate::test_support::lock_test_env(); |
| 2604 | let tmp = tempdir().expect("tempdir"); |
| 2605 | let home = tmp.path().join("home"); |
| 2606 | let explicit_home = tmp.path().join(std::ffi::OsString::from_vec( |
| 2607 | b"codewhale-\xff-home".to_vec(), |
| 2608 | )); |
| 2609 | let _home = crate::test_support::EnvVarGuard::set("HOME", &home); |
| 2610 | let _codewhale_home = |
| 2611 | crate::test_support::EnvVarGuard::set("CODEWHALE_HOME", &explicit_home); |
| 2612 | |
| 2613 | let legacy_sessions = home.join(".deepseek").join("sessions"); |
| 2614 | fs::create_dir_all(&legacy_sessions).expect("legacy sessions"); |
| 2615 | fs::write(legacy_sessions.join("ambient.json"), "ambient").expect("ambient legacy session"); |
| 2616 | let safe_primary = tmp.path().join("safe-primary"); |
| 2617 | fs::create_dir_all(&safe_primary).expect("safe primary"); |
| 2618 | |
| 2619 | assert_eq!( |
| 2620 | merge_missing_legacy_session_entries(&safe_primary).expect("merge decision"), |
| 2621 | 0 |
| 2622 | ); |
| 2623 | assert!(!safe_primary.join("ambient.json").exists()); |
| 2624 | } |
| 2625 | |
| 2626 | #[test] |
| 2627 | fn latest_session_for_workspace_ignores_newer_other_directory() { |
| 2628 | let tmp = tempdir().expect("tempdir"); |
| 2629 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2630 | let workspace_a = tmp.path().join("aa").join("aaa"); |
| 2631 | let workspace_b = tmp.path().join("bb").join("bbb"); |
| 2632 | fs::create_dir_all(&workspace_a).expect("mkdir workspace a"); |
| 2633 | fs::create_dir_all(&workspace_b).expect("mkdir workspace b"); |
| 2634 | fs::create_dir_all(tmp.path().join(".git")).expect("mkdir invalid git boundary"); |
| 2635 | |
| 2636 | write_session_record( |
| 2637 | &manager, |
| 2638 | "current-workspace", |
| 2639 | &workspace_a, |
| 2640 | Utc::now() - chrono::Duration::minutes(10), |
| 2641 | ); |
| 2642 | write_session_record(&manager, "other-workspace", &workspace_b, Utc::now()); |
| 2643 | |
| 2644 | let global = manager |
| 2645 | .list_sessions() |
| 2646 | .expect("list") |
| 2647 | .into_iter() |
| 2648 | .next() |
| 2649 | .expect("global latest"); |
| 2650 | assert_eq!(global.id, "other-workspace"); |
| 2651 | |
| 2652 | let scoped = manager |
| 2653 | .get_latest_session_for_workspace(&workspace_a) |
| 2654 | .expect("latest for workspace") |
| 2655 | .expect("scoped latest"); |
| 2656 | assert_eq!(scoped.id, "current-workspace"); |
| 2657 | } |
| 2658 | |
| 2659 | #[test] |
| 2660 | fn latest_session_for_workspace_ignores_invalid_parent_git_marker() { |
| 2661 | let tmp = tempdir().expect("tempdir"); |
| 2662 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2663 | let workspace_a = tmp.path().join("aa").join("aaa"); |
| 2664 | let workspace_b = tmp.path().join("bb").join("bbb"); |
| 2665 | fs::create_dir_all(&workspace_a).expect("mkdir workspace a"); |
| 2666 | fs::create_dir_all(&workspace_b).expect("mkdir workspace b"); |
| 2667 | fs::create_dir_all(tmp.path().join(".git")).expect("mkdir invalid git marker"); |
| 2668 | |
| 2669 | write_session_record( |
| 2670 | &manager, |
| 2671 | "current-workspace", |
| 2672 | &workspace_a, |
| 2673 | Utc::now() - chrono::Duration::minutes(10), |
| 2674 | ); |
| 2675 | write_session_record(&manager, "other-workspace", &workspace_b, Utc::now()); |
| 2676 | |
| 2677 | let scoped = manager |
| 2678 | .get_latest_session_for_workspace(&workspace_a) |
| 2679 | .expect("latest for workspace") |
| 2680 | .expect("scoped latest"); |
| 2681 | assert_eq!(scoped.id, "current-workspace"); |
| 2682 | } |
| 2683 | |
| 2684 | #[test] |
| 2685 | fn latest_session_for_workspace_matches_same_git_repository() { |
| 2686 | let tmp = tempdir().expect("tempdir"); |
| 2687 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2688 | let repo = tmp.path().join("repo"); |
| 2689 | let repo_app = repo.join("apps").join("client"); |
| 2690 | let repo_crate = repo.join("crates").join("server"); |
| 2691 | let other_repo = tmp.path().join("other").join("project"); |
| 2692 | fs::create_dir_all(repo.join(".git")).expect("mkdir .git"); |
| 2693 | fs::write(repo.join(".git").join("HEAD"), "ref: refs/heads/main\n").expect("write HEAD"); |
| 2694 | fs::create_dir_all(&repo_app).expect("mkdir repo app"); |
| 2695 | fs::create_dir_all(&repo_crate).expect("mkdir repo crate"); |
| 2696 | fs::create_dir_all(&other_repo).expect("mkdir other repo"); |
| 2697 | |
| 2698 | write_session_record( |
| 2699 | &manager, |
| 2700 | "same-repo", |
| 2701 | &repo_app, |
| 2702 | Utc::now() - chrono::Duration::minutes(5), |
| 2703 | ); |
| 2704 | write_session_record(&manager, "other-repo", &other_repo, Utc::now()); |
| 2705 | |
| 2706 | let scoped = manager |
| 2707 | .get_latest_session_for_workspace(&repo_crate) |
| 2708 | .expect("latest for workspace") |
| 2709 | .expect("same repo latest"); |
| 2710 | assert_eq!(scoped.id, "same-repo"); |
| 2711 | } |
| 2712 | |
| 2713 | #[test] |
| 2714 | fn latest_session_for_workspace_skips_empty_auto_created_session() { |
| 2715 | let tmp = tempdir().expect("tempdir"); |
| 2716 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2717 | let workspace = tmp.path().join("repo"); |
| 2718 | fs::create_dir_all(&workspace).expect("mkdir workspace"); |
| 2719 | |
| 2720 | write_session_record( |
| 2721 | &manager, |
| 2722 | "interrupted-user-turn", |
| 2723 | &workspace, |
| 2724 | Utc::now() - chrono::Duration::minutes(5), |
| 2725 | ); |
| 2726 | write_empty_session_record(&manager, "empty-auto-shell", &workspace, Utc::now()); |
| 2727 | |
| 2728 | let global = manager |
| 2729 | .list_sessions() |
| 2730 | .expect("list") |
| 2731 | .into_iter() |
| 2732 | .next() |
| 2733 | .expect("global latest"); |
| 2734 | assert_eq!(global.id, "empty-auto-shell"); |
| 2735 | |
| 2736 | let scoped = manager |
| 2737 | .get_latest_session_for_workspace(&workspace) |
| 2738 | .expect("latest for workspace") |
| 2739 | .expect("scoped latest"); |
| 2740 | assert_eq!(scoped.id, "interrupted-user-turn"); |
| 2741 | } |
| 2742 | |
| 2743 | #[test] |
| 2744 | fn test_load_by_prefix() { |
| 2745 | let tmp = tempdir().expect("tempdir"); |
| 2746 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2747 | |
| 2748 | let messages = vec![make_test_message("user", "Test session")]; |
| 2749 | let session = create_saved_session(&messages, "test-model", tmp.path(), 100, None); |
| 2750 | let prefix = truncate_id(&session.metadata.id).to_string(); |
| 2751 | manager.save_session(&session).expect("save"); |
| 2752 | |
| 2753 | let loaded = manager.load_session_by_prefix(&prefix).expect("load"); |
| 2754 | assert_eq!(loaded.messages.len(), 1); |
| 2755 | } |
| 2756 | |
| 2757 | #[test] |
| 2758 | fn test_delete_session() { |
| 2759 | let tmp = tempdir().expect("tempdir"); |
| 2760 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2761 | |
| 2762 | let messages = vec![make_test_message("user", "To be deleted")]; |
| 2763 | let session = create_saved_session(&messages, "test-model", tmp.path(), 100, None); |
| 2764 | let session_id = session.metadata.id.clone(); |
| 2765 | |
| 2766 | manager.save_session(&session).expect("save"); |
| 2767 | assert!(manager.load_session(&session_id).is_ok()); |
| 2768 | |
| 2769 | manager.delete_session(&session_id).expect("delete"); |
| 2770 | assert!(manager.load_session(&session_id).is_err()); |
| 2771 | } |
| 2772 | |
| 2773 | #[test] |
| 2774 | fn delete_session_removes_artifact_directory() { |
| 2775 | let tmp = tempdir().expect("tempdir"); |
| 2776 | let sessions_dir = tmp.path().join("sessions"); |
| 2777 | let manager = SessionManager::new(sessions_dir.clone()).expect("new"); |
| 2778 | |
| 2779 | let session = create_saved_session( |
| 2780 | &[make_test_message("user", "artifact session")], |
| 2781 | "test-model", |
| 2782 | tmp.path(), |
| 2783 | 100, |
| 2784 | None, |
| 2785 | ); |
| 2786 | let session_id = session.metadata.id.clone(); |
| 2787 | let artifact_dir = sessions_dir.join(&session_id).join("artifacts"); |
| 2788 | fs::create_dir_all(&artifact_dir).expect("artifact dir"); |
| 2789 | fs::write(artifact_dir.join("art_call.txt"), "raw output").expect("artifact file"); |
| 2790 | |
| 2791 | manager.save_session(&session).expect("save"); |
| 2792 | manager.delete_session(&session_id).expect("delete"); |
| 2793 | |
| 2794 | assert!(!sessions_dir.join(format!("{session_id}.json")).exists()); |
| 2795 | assert!(!sessions_dir.join(&session_id).exists()); |
| 2796 | } |
| 2797 | |
| 2798 | #[test] |
| 2799 | fn test_session_id_rejects_invalid_characters() { |
| 2800 | let tmp = tempdir().expect("tempdir"); |
| 2801 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2802 | |
| 2803 | let err = manager |
| 2804 | .load_session("../outside") |
| 2805 | .expect_err("invalid id should fail"); |
| 2806 | assert_eq!(err.kind(), std::io::ErrorKind::InvalidInput); |
| 2807 | |
| 2808 | let err = manager |
| 2809 | .delete_session("sess bad") |
| 2810 | .expect_err("invalid id should fail"); |
| 2811 | assert_eq!(err.kind(), std::io::ErrorKind::InvalidInput); |
| 2812 | } |
| 2813 | |
| 2814 | #[test] |
| 2815 | fn test_session_manager_rejects_relative_traversal_dir() { |
| 2816 | let err = SessionManager::new(PathBuf::from("../sessions")) |
| 2817 | .expect_err("relative traversal directory should fail"); |
| 2818 | assert_eq!(err.kind(), std::io::ErrorKind::InvalidInput); |
| 2819 | } |
| 2820 | |
| 2821 | #[test] |
| 2822 | fn test_truncate_title() { |
| 2823 | assert_eq!(truncate_title("Short", 50), "Short"); |
| 2824 | assert_eq!( |
| 2825 | truncate_title("This is a very long title that should be truncated", 20), |
| 2826 | "This is a very lo..." |
| 2827 | ); |
| 2828 | assert_eq!(truncate_title("Line 1\nLine 2", 50), "Line 1"); |
| 2829 | } |
| 2830 | |
| 2831 | #[test] |
| 2832 | fn extract_user_prompt_strips_turn_meta_prefix() { |
| 2833 | assert_eq!( |
| 2834 | extract_user_prompt("<turn_meta>{\"cache\":\"x\"}</turn_meta>\nReal prompt"), |
| 2835 | "Real prompt" |
| 2836 | ); |
| 2837 | assert_eq!(extract_user_prompt(" Real prompt"), "Real prompt"); |
| 2838 | assert_eq!( |
| 2839 | extract_user_prompt("<turn_meta>{\"unterminated\":true}\nReal prompt"), |
| 2840 | "{\"unterminated\":true}\nReal prompt" |
| 2841 | ); |
| 2842 | } |
| 2843 | |
| 2844 | #[test] |
| 2845 | fn create_saved_session_uses_prompt_after_turn_meta_for_title() { |
| 2846 | let tmp = tempdir().expect("tempdir"); |
| 2847 | let messages = vec![make_test_message( |
| 2848 | "user", |
| 2849 | "<turn_meta>{\"cache\":\"x\"}</turn_meta>\nFix the session picker history pane", |
| 2850 | )]; |
| 2851 | let session = create_saved_session(&messages, "test-model", tmp.path(), 100, None); |
| 2852 | assert_eq!( |
| 2853 | session.metadata.title, |
| 2854 | "Fix the session picker history pane" |
| 2855 | ); |
| 2856 | } |
| 2857 | |
| 2858 | #[test] |
| 2859 | fn strip_thinking_tags_removes_common_inline_blocks() { |
| 2860 | let text = "Before <think>private</think> middle <reasoning>hidden</reasoning> after"; |
| 2861 | let cleaned = strip_thinking_tags(text); |
| 2862 | assert_eq!(cleaned, "Before middle after"); |
| 2863 | assert_eq!(strip_thinking_tags("plain answer"), "plain answer"); |
| 2864 | } |
| 2865 | |
| 2866 | #[test] |
| 2867 | fn test_format_age() { |
| 2868 | let now = Utc::now(); |
| 2869 | assert_eq!(format_age(&now), "just now"); |
| 2870 | |
| 2871 | let hour_ago = now - chrono::Duration::hours(2); |
| 2872 | assert_eq!(format_age(&hour_ago), "2h ago"); |
| 2873 | |
| 2874 | let day_ago = now - chrono::Duration::days(3); |
| 2875 | assert_eq!(format_age(&day_ago), "3d ago"); |
| 2876 | } |
| 2877 | |
| 2878 | #[test] |
| 2879 | fn format_session_line_includes_absolute_updated_timestamp() { |
| 2880 | let mut session = create_saved_session( |
| 2881 | &[make_test_message("user", "Find Friday work")], |
| 2882 | "test-model", |
| 2883 | Path::new("/tmp/project"), |
| 2884 | 100, |
| 2885 | None, |
| 2886 | ); |
| 2887 | session.metadata.updated_at = DateTime::parse_from_rfc3339("2026-06-01T12:34:00Z") |
| 2888 | .expect("timestamp") |
| 2889 | .with_timezone(&Utc); |
| 2890 | |
| 2891 | let line = format_session_line(&session.metadata); |
| 2892 | |
| 2893 | assert!( |
| 2894 | line.contains("2026-06-01 12:34 UTC"), |
| 2895 | "session list should include an absolute timestamp, got {line:?}" |
| 2896 | ); |
| 2897 | } |
| 2898 | |
| 2899 | #[test] |
| 2900 | fn test_update_session() { |
| 2901 | let tmp = tempdir().expect("tempdir"); |
| 2902 | |
| 2903 | let messages = vec![make_test_message("user", "Hello")]; |
| 2904 | let session = create_saved_session(&messages, "test-model", tmp.path(), 50, None); |
| 2905 | |
| 2906 | let new_messages = vec![ |
| 2907 | make_test_message("user", "Hello"), |
| 2908 | make_test_message("assistant", "Hi!"), |
| 2909 | ]; |
| 2910 | |
| 2911 | let updated = update_session(session, &new_messages, 100, None); |
| 2912 | assert_eq!(updated.messages.len(), 2); |
| 2913 | assert_eq!(updated.metadata.total_tokens, 100); |
| 2914 | } |
| 2915 | |
| 2916 | #[test] |
| 2917 | fn save_load_round_trip_preserves_all_messages_for_cache_fidelity() { |
| 2918 | let tmp = tempdir().expect("tempdir"); |
| 2919 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2920 | // Covers the old 500-message cap boundary and well beyond. |
| 2921 | for count in [0, 1, 500, 501, 600, 1000] { |
| 2922 | let original: Vec<_> = (0..count) |
| 2923 | .map(|i| { |
| 2924 | make_test_message( |
| 2925 | if i % 2 == 0 { "user" } else { "assistant" }, |
| 2926 | &format!("round-trip message {i}"), |
| 2927 | ) |
| 2928 | }) |
| 2929 | .collect(); |
| 2930 | |
| 2931 | let session = create_saved_session(&original, "test-model", tmp.path(), 0, None); |
| 2932 | manager.save_session(&session).expect("save"); |
| 2933 | let loaded = manager.load_session(&session.metadata.id).expect("load"); |
| 2934 | |
| 2935 | assert_eq!( |
| 2936 | loaded.messages.len(), |
| 2937 | count, |
| 2938 | "count preserved for count={count}" |
| 2939 | ); |
| 2940 | assert_eq!( |
| 2941 | loaded.messages, original, |
| 2942 | "every message byte-identical after round-trip for count={count}" |
| 2943 | ); |
| 2944 | } |
| 2945 | } |
| 2946 | |
| 2947 | #[test] |
| 2948 | fn test_checkpoint_round_trip_and_clear() { |
| 2949 | let tmp = tempdir().expect("tempdir"); |
| 2950 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 2951 | let messages = vec![make_test_message("user", "checkpoint me")]; |
| 2952 | let mut session = create_saved_session(&messages, "test-model", tmp.path(), 12, None); |
| 2953 | session.work_state = Some(SessionWorkState { |
| 2954 | todos: crate::tools::todo::TodoListSnapshot { |
| 2955 | items: vec![crate::tools::todo::TodoItem { |
| 2956 | id: 1, |
| 2957 | content: "verify checkpoint durability".to_string(), |
| 2958 | status: crate::tools::todo::TodoStatus::InProgress, |
| 2959 | }], |
| 2960 | completion_pct: 0, |
| 2961 | in_progress_id: Some(1), |
| 2962 | }, |
| 2963 | ..SessionWorkState::default() |
| 2964 | }); |
| 2965 | |
| 2966 | let path = manager.save_checkpoint(&session).expect("save checkpoint"); |
| 2967 | assert_eq!( |
| 2968 | path.file_name().and_then(|n| n.to_str()), |
| 2969 | Some(format!("{}.json", session.metadata.id).as_str()), |
| 2970 | "checkpoint file must be keyed by session id" |
| 2971 | ); |
| 2972 | let loaded = manager |
| 2973 | .load_session_checkpoint(&session.metadata.id) |
| 2974 | .expect("load checkpoint") |
| 2975 | .expect("checkpoint exists"); |
| 2976 | assert_eq!(loaded.metadata.id, session.metadata.id); |
| 2977 | assert_eq!(loaded.messages, session.messages); |
| 2978 | assert_eq!( |
| 2979 | loaded.work_state, session.work_state, |
| 2980 | "work state must survive the checkpoint round trip" |
| 2981 | ); |
| 2982 | |
| 2983 | manager |
| 2984 | .clear_session_checkpoint(&session.metadata.id) |
| 2985 | .expect("clear checkpoint"); |
| 2986 | assert!( |
| 2987 | manager |
| 2988 | .load_session_checkpoint(&session.metadata.id) |
| 2989 | .expect("load checkpoint") |
| 2990 | .is_none() |
| 2991 | ); |
| 2992 | } |
| 2993 | |
| 2994 | #[test] |
| 2995 | fn graph_backed_work_state_remains_readable_by_legacy_shape() { |
| 2996 | #[derive(serde::Deserialize)] |
| 2997 | struct LegacyWorkState { |
| 2998 | #[serde(default)] |
| 2999 | todos: crate::tools::todo::TodoListSnapshot, |
| 3000 | #[serde(default)] |
| 3001 | plan: crate::tools::plan::PlanSnapshot, |
| 3002 | } |
| 3003 | |
| 3004 | let fixture = include_bytes!("../tests/fixtures/work_graph_session_v1_reader.json"); |
| 3005 | let current: SavedSession = serde_json::from_slice(fixture).expect("current reader"); |
| 3006 | let state = current.work_state.expect("fixture Work state"); |
| 3007 | let legacy: LegacyWorkState = serde_json::from_value( |
| 3008 | serde_json::from_slice::<serde_json::Value>(fixture) |
| 3009 | .expect("fixture JSON")["work_state"] |
| 3010 | .clone(), |
| 3011 | ) |
| 3012 | .expect("v1 reader ignores graph"); |
| 3013 | assert_eq!(legacy.todos, state.todos); |
| 3014 | assert_eq!(legacy.plan, state.plan); |
| 3015 | let graph = state.graph.expect("fixture graph"); |
| 3016 | crate::work_graph::validate(&graph).expect("valid fixture graph"); |
| 3017 | assert_eq!(crate::work_graph::project_todos(&graph), state.todos); |
| 3018 | assert_eq!(crate::work_graph::project_plan(&graph), state.plan); |
| 3019 | } |
| 3020 | |
| 3021 | #[test] |
| 3022 | fn first_graph_write_archives_exact_legacy_session_once() { |
| 3023 | let tmp = tempdir().expect("tempdir"); |
| 3024 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3025 | let mut session = create_saved_session( |
| 3026 | &[make_test_message("user", "archive before import")], |
| 3027 | "test-model", |
| 3028 | tmp.path(), |
| 3029 | 0, |
| 3030 | None, |
| 3031 | ); |
| 3032 | let plan = crate::tools::plan::PlanSnapshot { |
| 3033 | items: vec![crate::tools::plan::PlanItemArg { |
| 3034 | step: "Import".to_string(), |
| 3035 | status: crate::tools::plan::StepStatus::Pending, |
| 3036 | }], |
| 3037 | ..crate::tools::plan::PlanSnapshot::default() |
| 3038 | }; |
| 3039 | let todos = crate::tools::todo::TodoListSnapshot::default(); |
| 3040 | session.work_state = Some(SessionWorkState { |
| 3041 | graph: None, |
| 3042 | todos: todos.clone(), |
| 3043 | plan: plan.clone(), |
| 3044 | }); |
| 3045 | let path = manager.save_session(&session).expect("save legacy session"); |
| 3046 | let legacy_bytes = fs::read(&path).expect("read legacy bytes"); |
| 3047 | |
| 3048 | let graph = crate::work_graph::import_legacy(&session.metadata.id, &plan, &todos) |
| 3049 | .expect("import graph"); |
| 3050 | session.work_state = Some(SessionWorkState { |
| 3051 | graph: Some(graph), |
| 3052 | todos, |
| 3053 | plan, |
| 3054 | }); |
| 3055 | manager.save_session(&session).expect("first graph write"); |
| 3056 | let archive = manager |
| 3057 | .sessions_dir |
| 3058 | .join(WORK_GRAPH_IMPORT_ARCHIVE_DIR) |
| 3059 | .join(path.file_name().expect("session filename")); |
| 3060 | assert_eq!(fs::read(&archive).expect("archive exists"), legacy_bytes); |
| 3061 | |
| 3062 | session.metadata.title = "later graph write".to_string(); |
| 3063 | manager.save_session(&session).expect("second graph write"); |
| 3064 | assert_eq!( |
| 3065 | fs::read(&archive).expect("archive still exists"), |
| 3066 | legacy_bytes, |
| 3067 | "later graph writes must not replace the pre-import receipt" |
| 3068 | ); |
| 3069 | } |
| 3070 | |
| 3071 | #[test] |
| 3072 | fn checkpoints_are_independent_per_session() { |
| 3073 | let tmp = tempdir().expect("tempdir"); |
| 3074 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3075 | let first = create_saved_session( |
| 3076 | &[make_test_message("user", "session one")], |
| 3077 | "test-model", |
| 3078 | tmp.path(), |
| 3079 | 0, |
| 3080 | None, |
| 3081 | ); |
| 3082 | let second = create_saved_session( |
| 3083 | &[make_test_message("user", "session two")], |
| 3084 | "test-model", |
| 3085 | tmp.path(), |
| 3086 | 0, |
| 3087 | None, |
| 3088 | ); |
| 3089 | |
| 3090 | manager.save_checkpoint(&first).expect("save first"); |
| 3091 | manager.save_checkpoint(&second).expect("save second"); |
| 3092 | manager |
| 3093 | .clear_session_checkpoint(&first.metadata.id) |
| 3094 | .expect("clear first"); |
| 3095 | |
| 3096 | assert!( |
| 3097 | manager |
| 3098 | .load_session_checkpoint(&first.metadata.id) |
| 3099 | .expect("load first") |
| 3100 | .is_none(), |
| 3101 | "clearing one session must remove only that session's file" |
| 3102 | ); |
| 3103 | let survivor = manager |
| 3104 | .load_session_checkpoint(&second.metadata.id) |
| 3105 | .expect("load second") |
| 3106 | .expect("second checkpoint survives"); |
| 3107 | assert_eq!(survivor.metadata.id, second.metadata.id); |
| 3108 | } |
| 3109 | |
| 3110 | #[test] |
| 3111 | fn list_checkpoints_includes_legacy_slot_and_skips_offline_queue() { |
| 3112 | let tmp = tempdir().expect("tempdir"); |
| 3113 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3114 | let session = create_saved_session( |
| 3115 | &[make_test_message("user", "list me")], |
| 3116 | "test-model", |
| 3117 | tmp.path(), |
| 3118 | 0, |
| 3119 | None, |
| 3120 | ); |
| 3121 | manager.save_checkpoint(&session).expect("save checkpoint"); |
| 3122 | let checkpoints = tmp.path().join("sessions").join("checkpoints"); |
| 3123 | fs::write(checkpoints.join("latest.json"), "{}").expect("write legacy slot"); |
| 3124 | fs::write(checkpoints.join("offline_queue.json"), "{}").expect("write offline queue"); |
| 3125 | |
| 3126 | let refs = manager.list_checkpoints().expect("list checkpoints"); |
| 3127 | assert_eq!(refs.len(), 2, "offline queue must not be a candidate"); |
| 3128 | assert!( |
| 3129 | refs.iter() |
| 3130 | .any(|r| r.source == CheckpointSource::Session(session.metadata.id.clone())) |
| 3131 | ); |
| 3132 | assert!(refs.iter().any(|r| r.source == CheckpointSource::Legacy)); |
| 3133 | } |
| 3134 | |
| 3135 | #[test] |
| 3136 | fn legacy_migration_never_overwrites_existing_per_session_checkpoint() { |
| 3137 | let tmp = tempdir().expect("tempdir"); |
| 3138 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3139 | let mut session = create_saved_session( |
| 3140 | &[make_test_message("user", "original")], |
| 3141 | "test-model", |
| 3142 | tmp.path(), |
| 3143 | 0, |
| 3144 | None, |
| 3145 | ); |
| 3146 | manager.save_checkpoint(&session).expect("save checkpoint"); |
| 3147 | |
| 3148 | session.messages = vec![make_test_message("user", "stale legacy copy")]; |
| 3149 | let written = manager |
| 3150 | .write_session_checkpoint_if_absent(&session) |
| 3151 | .expect("migration attempt"); |
| 3152 | assert!(!written, "migration must not overwrite an existing file"); |
| 3153 | let loaded = manager |
| 3154 | .load_session_checkpoint(&session.metadata.id) |
| 3155 | .expect("load") |
| 3156 | .expect("checkpoint exists"); |
| 3157 | assert_eq!( |
| 3158 | loaded.messages, |
| 3159 | vec![make_test_message("user", "original")], |
| 3160 | "existing per-session checkpoint content must be preserved" |
| 3161 | ); |
| 3162 | } |
| 3163 | |
| 3164 | #[test] |
| 3165 | fn workspace_scope_matches_subdirectories_in_same_git_checkout() { |
| 3166 | let tmp = tempdir().expect("tempdir"); |
| 3167 | let repo = tmp.path().join("repo"); |
| 3168 | let nested = repo.join("crates").join("tui"); |
| 3169 | fs::create_dir_all(&nested).expect("mkdir nested"); |
| 3170 | fs::write(repo.join(".git"), "gitdir: .git/worktrees/repo").expect("write git marker"); |
| 3171 | |
| 3172 | assert!(workspace_scope_matches(&repo, &nested)); |
| 3173 | } |
| 3174 | |
| 3175 | #[test] |
| 3176 | fn workspace_scope_rejects_sibling_git_checkouts() { |
| 3177 | let tmp = tempdir().expect("tempdir"); |
| 3178 | let first = tmp.path().join("repo-a"); |
| 3179 | let second = tmp.path().join("repo-b"); |
| 3180 | fs::create_dir_all(&first).expect("mkdir first"); |
| 3181 | fs::create_dir_all(&second).expect("mkdir second"); |
| 3182 | fs::write(first.join(".git"), "gitdir: .git/worktrees/a").expect("write first marker"); |
| 3183 | fs::write(second.join(".git"), "gitdir: .git/worktrees/b").expect("write second marker"); |
| 3184 | |
| 3185 | assert!(!workspace_scope_matches(&first, &second)); |
| 3186 | } |
| 3187 | |
| 3188 | #[test] |
| 3189 | fn test_offline_queue_round_trip_and_clear() { |
| 3190 | let tmp = tempdir().expect("tempdir"); |
| 3191 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3192 | |
| 3193 | let state = OfflineQueueState { |
| 3194 | messages: vec![QueuedSessionMessage { |
| 3195 | display: "queued message".to_string(), |
| 3196 | skill_instruction: Some("Use skill".to_string()), |
| 3197 | skill_provenance: None, |
| 3198 | }], |
| 3199 | draft: Some(QueuedSessionMessage { |
| 3200 | display: "draft message".to_string(), |
| 3201 | skill_instruction: None, |
| 3202 | skill_provenance: None, |
| 3203 | }), |
| 3204 | ..OfflineQueueState::default() |
| 3205 | }; |
| 3206 | |
| 3207 | manager |
| 3208 | .save_offline_queue_state(&state, Some("test-session")) |
| 3209 | .expect("save queue state"); |
| 3210 | let loaded = manager |
| 3211 | .load_offline_queue_state() |
| 3212 | .expect("load queue state") |
| 3213 | .expect("queue state exists"); |
| 3214 | assert_eq!(loaded.messages.len(), 1); |
| 3215 | assert_eq!(loaded.messages[0].display, "queued message"); |
| 3216 | assert!(loaded.draft.is_some()); |
| 3217 | |
| 3218 | manager |
| 3219 | .clear_offline_queue_state() |
| 3220 | .expect("clear queue state"); |
| 3221 | assert!( |
| 3222 | manager |
| 3223 | .load_offline_queue_state() |
| 3224 | .expect("load queue state") |
| 3225 | .is_none() |
| 3226 | ); |
| 3227 | } |
| 3228 | |
| 3229 | #[test] |
| 3230 | fn test_offline_queue_stamps_session_id_on_save() { |
| 3231 | // #487: save_offline_queue_state must stamp the supplied |
| 3232 | // session id so the load path's mismatch check has something |
| 3233 | // to compare against. A queue persisted without a session id |
| 3234 | // is the legacy unscoped form which the load path treats as |
| 3235 | // stale-risky and refuses to restore. |
| 3236 | let tmp = tempdir().expect("tempdir"); |
| 3237 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3238 | |
| 3239 | let state = OfflineQueueState { |
| 3240 | messages: vec![QueuedSessionMessage { |
| 3241 | display: "first parked".to_string(), |
| 3242 | skill_instruction: None, |
| 3243 | skill_provenance: None, |
| 3244 | }], |
| 3245 | ..OfflineQueueState::default() |
| 3246 | }; |
| 3247 | |
| 3248 | manager |
| 3249 | .save_offline_queue_state(&state, Some("session-A")) |
| 3250 | .expect("save with session id"); |
| 3251 | let loaded = manager |
| 3252 | .load_offline_queue_state() |
| 3253 | .expect("ok") |
| 3254 | .expect("present"); |
| 3255 | assert_eq!(loaded.session_id.as_deref(), Some("session-A")); |
| 3256 | |
| 3257 | // Re-saving with a different session id replaces the stamp. |
| 3258 | manager |
| 3259 | .save_offline_queue_state(&state, Some("session-B")) |
| 3260 | .expect("re-save"); |
| 3261 | let reloaded = manager |
| 3262 | .load_offline_queue_state() |
| 3263 | .expect("ok") |
| 3264 | .expect("present"); |
| 3265 | assert_eq!(reloaded.session_id.as_deref(), Some("session-B")); |
| 3266 | |
| 3267 | // Saving without a session id explicitly (None) clears the |
| 3268 | // stamp — UI's load path treats that as legacy-unscoped and |
| 3269 | // fails closed. |
| 3270 | manager |
| 3271 | .save_offline_queue_state(&state, None) |
| 3272 | .expect("save without session id"); |
| 3273 | let unscoped = manager |
| 3274 | .load_offline_queue_state() |
| 3275 | .expect("ok") |
| 3276 | .expect("present"); |
| 3277 | assert!( |
| 3278 | unscoped.session_id.is_none(), |
| 3279 | "save with None must persist a missing session_id" |
| 3280 | ); |
| 3281 | } |
| 3282 | |
| 3283 | #[test] |
| 3284 | fn test_session_context_references_round_trip() { |
| 3285 | let tmp = tempdir().expect("tempdir"); |
| 3286 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3287 | let mut session = create_saved_session( |
| 3288 | &[make_test_message("user", "read @src/main.rs")], |
| 3289 | "deepseek-v4-pro", |
| 3290 | tmp.path(), |
| 3291 | 0, |
| 3292 | None, |
| 3293 | ); |
| 3294 | session.context_references.push(SessionContextReference { |
| 3295 | message_index: 0, |
| 3296 | reference: ContextReference { |
| 3297 | kind: crate::tui::file_mention::ContextReferenceKind::File, |
| 3298 | source: crate::tui::file_mention::ContextReferenceSource::AtMention, |
| 3299 | badge: "file".to_string(), |
| 3300 | label: "src/main.rs".to_string(), |
| 3301 | target: tmp.path().join("src/main.rs").display().to_string(), |
| 3302 | included: true, |
| 3303 | expanded: true, |
| 3304 | detail: Some("included".to_string()), |
| 3305 | }, |
| 3306 | }); |
| 3307 | |
| 3308 | let path = manager.save_session(&session).expect("save session"); |
| 3309 | let loaded = manager |
| 3310 | .load_session(&session.metadata.id) |
| 3311 | .expect("load session"); |
| 3312 | assert!(path.exists()); |
| 3313 | assert_eq!(loaded.context_references, session.context_references); |
| 3314 | } |
| 3315 | |
| 3316 | #[test] |
| 3317 | fn test_checkpoint_rejects_newer_schema() { |
| 3318 | let tmp = tempdir().expect("tempdir"); |
| 3319 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3320 | let checkpoints = tmp.path().join("sessions").join("checkpoints"); |
| 3321 | fs::create_dir_all(&checkpoints).expect("create checkpoints dir"); |
| 3322 | let path = checkpoints.join("latest.json"); |
| 3323 | fs::write( |
| 3324 | &path, |
| 3325 | r#"{ |
| 3326 | "schema_version": 999, |
| 3327 | "metadata": { |
| 3328 | "id": "sid", |
| 3329 | "title": "bad", |
| 3330 | "created_at": "2026-01-01T00:00:00Z", |
| 3331 | "updated_at": "2026-01-01T00:00:00Z", |
| 3332 | "message_count": 0, |
| 3333 | "total_tokens": 0, |
| 3334 | "model": "m", |
| 3335 | "workspace": "/tmp", |
| 3336 | "mode": null |
| 3337 | }, |
| 3338 | "messages": [], |
| 3339 | "system_prompt": null |
| 3340 | }"#, |
| 3341 | ) |
| 3342 | .expect("write checkpoint"); |
| 3343 | |
| 3344 | let err = manager |
| 3345 | .load_legacy_checkpoint() |
| 3346 | .expect_err("should reject schema"); |
| 3347 | assert!(err.to_string().contains("newer than supported")); |
| 3348 | |
| 3349 | // The same guard applies to per-session checkpoint files. |
| 3350 | fs::rename(&path, checkpoints.join("sid.json")).expect("rename to per-session file"); |
| 3351 | let err = manager |
| 3352 | .load_session_checkpoint("sid") |
| 3353 | .expect_err("should reject schema"); |
| 3354 | assert!(err.to_string().contains("newer than supported")); |
| 3355 | } |
| 3356 | |
| 3357 | #[test] |
| 3358 | fn test_load_session_rejects_newer_schema() { |
| 3359 | let tmp = tempdir().expect("tempdir"); |
| 3360 | let sessions_dir = tmp.path().join("sessions"); |
| 3361 | let manager = SessionManager::new(sessions_dir.clone()).expect("new"); |
| 3362 | |
| 3363 | let id = "future-session"; |
| 3364 | let path = sessions_dir.join(format!("{id}.json")); |
| 3365 | fs::write( |
| 3366 | &path, |
| 3367 | r#"{ |
| 3368 | "schema_version": 999, |
| 3369 | "metadata": { |
| 3370 | "id": "future-session", |
| 3371 | "title": "future", |
| 3372 | "created_at": "2026-01-01T00:00:00Z", |
| 3373 | "updated_at": "2026-01-01T00:00:00Z", |
| 3374 | "message_count": 0, |
| 3375 | "total_tokens": 0, |
| 3376 | "model": "m", |
| 3377 | "workspace": "/tmp", |
| 3378 | "mode": null |
| 3379 | }, |
| 3380 | "messages": [], |
| 3381 | "system_prompt": null |
| 3382 | }"#, |
| 3383 | ) |
| 3384 | .expect("write session"); |
| 3385 | |
| 3386 | let err = manager.load_session(id).expect_err("should reject schema"); |
| 3387 | assert!( |
| 3388 | err.to_string().contains("newer than supported"), |
| 3389 | "unexpected error: {err}" |
| 3390 | ); |
| 3391 | } |
| 3392 | |
| 3393 | /// Regression for #337: metadata extraction skips the (potentially |
| 3394 | /// huge) `messages` array — it must succeed even when the messages |
| 3395 | /// array is megabytes long, and it must NOT confuse a `"metadata"` |
| 3396 | /// substring inside a message body for the real top-level key. |
| 3397 | #[test] |
| 3398 | fn extract_top_level_metadata_skips_huge_messages_array() { |
| 3399 | // Build a session JSON with a large `messages` payload that |
| 3400 | // contains the literal string `"metadata"` in a user message — |
| 3401 | // a naive `find("\"metadata\"")` would mis-target this. |
| 3402 | let big_text = format!( |
| 3403 | r#"this message references "metadata" inside it, repeated:{}"#, |
| 3404 | "x".repeat(20_000) |
| 3405 | ); |
| 3406 | let json = format!( |
| 3407 | r#"{{ |
| 3408 | "schema_version": 1, |
| 3409 | "metadata": {{ |
| 3410 | "id": "abc-123", |
| 3411 | "title": "Real Session", |
| 3412 | "created_at": "2026-01-01T00:00:00Z", |
| 3413 | "updated_at": "2026-01-02T00:00:00Z", |
| 3414 | "message_count": 12, |
| 3415 | "total_tokens": 4096, |
| 3416 | "model": "deepseek-v4-flash", |
| 3417 | "workspace": "/tmp" |
| 3418 | }}, |
| 3419 | "messages": [ |
| 3420 | {{ "role": "user", "content": [ {{ "Text": {{ "text": {big_text:?} }} }} ] }} |
| 3421 | ] |
| 3422 | }}"# |
| 3423 | ); |
| 3424 | |
| 3425 | let extracted = |
| 3426 | extract_top_level_metadata(json.as_bytes()).expect("metadata extractable from prefix"); |
| 3427 | assert_eq!(extracted.id, "abc-123"); |
| 3428 | assert_eq!(extracted.title, "Real Session"); |
| 3429 | assert_eq!(extracted.message_count, 12); |
| 3430 | assert_eq!(extracted.total_tokens, 4096); |
| 3431 | } |
| 3432 | |
| 3433 | #[test] |
| 3434 | fn extract_top_level_metadata_handles_braces_inside_strings() { |
| 3435 | // A title containing `{` and `}` inside the metadata block must |
| 3436 | // not throw off the brace counter. |
| 3437 | let json = r#"{ |
| 3438 | "metadata": { |
| 3439 | "id": "x", |
| 3440 | "title": "weird { title } with braces", |
| 3441 | "created_at": "2026-01-01T00:00:00Z", |
| 3442 | "updated_at": "2026-01-01T00:00:00Z", |
| 3443 | "message_count": 0, |
| 3444 | "total_tokens": 0, |
| 3445 | "model": "m", |
| 3446 | "workspace": "/tmp" |
| 3447 | }, |
| 3448 | "messages": [] |
| 3449 | }"#; |
| 3450 | let extracted = extract_top_level_metadata(json.as_bytes()) |
| 3451 | .expect("brace-in-string survives the scanner"); |
| 3452 | assert_eq!(extracted.title, "weird { title } with braces"); |
| 3453 | } |
| 3454 | |
| 3455 | #[test] |
| 3456 | fn saved_session_deserializes_without_artifacts_as_empty_registry() { |
| 3457 | let json = r#"{ |
| 3458 | "schema_version": 1, |
| 3459 | "metadata": { |
| 3460 | "id": "legacy-session", |
| 3461 | "title": "legacy", |
| 3462 | "created_at": "2026-05-08T00:00:00Z", |
| 3463 | "updated_at": "2026-05-08T00:00:00Z", |
| 3464 | "message_count": 0, |
| 3465 | "total_tokens": 0, |
| 3466 | "model": "deepseek-v4-pro", |
| 3467 | "workspace": "/tmp" |
| 3468 | }, |
| 3469 | "messages": [], |
| 3470 | "system_prompt": null |
| 3471 | }"#; |
| 3472 | |
| 3473 | let session: SavedSession = serde_json::from_str(json).expect("legacy session loads"); |
| 3474 | assert!(session.artifacts.is_empty()); |
| 3475 | assert!(session.last_auto_route.is_none()); |
| 3476 | assert!(session.metadata.parent_session_id.is_none()); |
| 3477 | assert!(session.metadata.forked_from_message_count.is_none()); |
| 3478 | } |
| 3479 | |
| 3480 | #[test] |
| 3481 | fn fork_lineage_metadata_round_trips_and_formats() { |
| 3482 | let tmp = tempdir().expect("tempdir"); |
| 3483 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3484 | let parent = create_saved_session( |
| 3485 | &[ |
| 3486 | make_test_message("user", "try approach A"), |
| 3487 | make_test_message("assistant", "A looks viable"), |
| 3488 | ], |
| 3489 | "deepseek-v4-pro", |
| 3490 | Path::new("/tmp"), |
| 3491 | 42, |
| 3492 | None, |
| 3493 | ); |
| 3494 | let mut forked = create_saved_session( |
| 3495 | &parent.messages, |
| 3496 | &parent.metadata.model, |
| 3497 | &parent.metadata.workspace, |
| 3498 | parent.metadata.total_tokens, |
| 3499 | None, |
| 3500 | ); |
| 3501 | forked.metadata.mark_forked_from(&parent.metadata); |
| 3502 | |
| 3503 | manager.save_session(&forked).expect("save fork"); |
| 3504 | let loaded = manager |
| 3505 | .load_session(&forked.metadata.id) |
| 3506 | .expect("load fork"); |
| 3507 | |
| 3508 | assert_eq!( |
| 3509 | loaded.metadata.parent_session_id.as_deref(), |
| 3510 | Some(parent.metadata.id.as_str()) |
| 3511 | ); |
| 3512 | assert_eq!(loaded.metadata.forked_from_message_count, Some(2)); |
| 3513 | let line = format_session_line(&loaded.metadata); |
| 3514 | assert!(line.contains("fork")); |
| 3515 | assert!(!line.contains(parent.metadata.id.as_str())); |
| 3516 | } |
| 3517 | |
| 3518 | #[test] |
| 3519 | fn save_and_load_session_preserves_artifact_metadata() { |
| 3520 | let tmp = tempdir().expect("tempdir"); |
| 3521 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3522 | let mut session = create_saved_session( |
| 3523 | &[make_test_message("user", "run tests")], |
| 3524 | "deepseek-v4-pro", |
| 3525 | Path::new("/tmp"), |
| 3526 | 0, |
| 3527 | None, |
| 3528 | ); |
| 3529 | session.artifacts.push(crate::artifacts::ArtifactRecord { |
| 3530 | id: "art_call_big".to_string(), |
| 3531 | kind: crate::artifacts::ArtifactKind::ToolOutput, |
| 3532 | session_id: session.metadata.id.clone(), |
| 3533 | tool_call_id: "call-big".to_string(), |
| 3534 | tool_name: "exec_shell".to_string(), |
| 3535 | created_at: Utc::now(), |
| 3536 | byte_size: 512_000, |
| 3537 | preview: "cargo test output".to_string(), |
| 3538 | storage_path: PathBuf::from("/tmp/tool_outputs/call-big.txt"), |
| 3539 | }); |
| 3540 | |
| 3541 | manager.save_session(&session).expect("save"); |
| 3542 | let loaded = manager.load_session(&session.metadata.id).expect("load"); |
| 3543 | |
| 3544 | assert_eq!(loaded.artifacts, session.artifacts); |
| 3545 | } |
| 3546 | |
| 3547 | // ---- #406 prune_sessions_older_than ---- |
| 3548 | // |
| 3549 | // The helper is a building block for the auto-archive design: it |
| 3550 | // removes session files older than a threshold while leaving fresh |
| 3551 | // ones (and the checkpoint directory) alone. Tests cover the empty |
| 3552 | // case, the all-fresh case, the all-stale case, and the mixed case. |
| 3553 | |
| 3554 | fn write_session_with_updated_at( |
| 3555 | manager: &SessionManager, |
| 3556 | id: &str, |
| 3557 | updated_at: DateTime<Utc>, |
| 3558 | ) { |
| 3559 | // Build a minimal SavedSession by hand so the test isn't tied |
| 3560 | // to whatever the helper functions emit; we just need a |
| 3561 | // metadata block whose `updated_at` matches the requested |
| 3562 | // value. |
| 3563 | write_session_record(manager, id, Path::new("/tmp"), updated_at); |
| 3564 | } |
| 3565 | |
| 3566 | #[test] |
| 3567 | fn prune_sessions_older_than_returns_zero_for_empty_dir() { |
| 3568 | let tmp = tempdir().expect("tempdir"); |
| 3569 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3570 | let pruned = manager |
| 3571 | .prune_sessions_older_than(std::time::Duration::from_secs(3600)) |
| 3572 | .expect("prune"); |
| 3573 | assert_eq!(pruned, 0); |
| 3574 | } |
| 3575 | |
| 3576 | #[test] |
| 3577 | fn prune_sessions_older_than_keeps_fresh_records() { |
| 3578 | let tmp = tempdir().expect("tempdir"); |
| 3579 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3580 | // All updated within the last hour. |
| 3581 | write_session_with_updated_at( |
| 3582 | &manager, |
| 3583 | "fresh-1", |
| 3584 | Utc::now() - chrono::Duration::minutes(30), |
| 3585 | ); |
| 3586 | write_session_with_updated_at( |
| 3587 | &manager, |
| 3588 | "fresh-2", |
| 3589 | Utc::now() - chrono::Duration::minutes(5), |
| 3590 | ); |
| 3591 | let pruned = manager |
| 3592 | .prune_sessions_older_than(std::time::Duration::from_secs(3600)) |
| 3593 | .expect("prune"); |
| 3594 | assert_eq!(pruned, 0); |
| 3595 | // Both files still on disk. |
| 3596 | assert_eq!(manager.list_sessions().expect("list").len(), 2); |
| 3597 | } |
| 3598 | |
| 3599 | #[test] |
| 3600 | fn prune_sessions_older_than_removes_stale_records() { |
| 3601 | let tmp = tempdir().expect("tempdir"); |
| 3602 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3603 | // Two stale records ≥7 days old. |
| 3604 | write_session_with_updated_at(&manager, "stale-1", Utc::now() - chrono::Duration::days(8)); |
| 3605 | write_session_with_updated_at(&manager, "stale-2", Utc::now() - chrono::Duration::days(30)); |
| 3606 | let pruned = manager |
| 3607 | .prune_sessions_older_than(std::time::Duration::from_secs(7 * 24 * 3600)) |
| 3608 | .expect("prune"); |
| 3609 | assert_eq!(pruned, 2); |
| 3610 | assert_eq!(manager.list_sessions().expect("list").len(), 0); |
| 3611 | } |
| 3612 | |
| 3613 | #[test] |
| 3614 | fn prune_sessions_older_than_only_removes_stale_records_in_mixed_dir() { |
| 3615 | let tmp = tempdir().expect("tempdir"); |
| 3616 | let manager = SessionManager::new(tmp.path().join("sessions")).expect("new"); |
| 3617 | write_session_with_updated_at(&manager, "fresh", Utc::now() - chrono::Duration::hours(1)); |
| 3618 | write_session_with_updated_at(&manager, "stale", Utc::now() - chrono::Duration::days(60)); |
| 3619 | let pruned = manager |
| 3620 | .prune_sessions_older_than(std::time::Duration::from_secs(7 * 24 * 3600)) |
| 3621 | .expect("prune"); |
| 3622 | assert_eq!(pruned, 1); |
| 3623 | let remaining = manager.list_sessions().expect("list"); |
| 3624 | assert_eq!(remaining.len(), 1); |
| 3625 | assert_eq!(remaining[0].id, "fresh"); |
| 3626 | } |
| 3627 | |
| 3628 | #[test] |
| 3629 | fn prune_sessions_older_than_skips_checkpoint_directory() { |
| 3630 | // The checkpoint subsystem owns `<sessions>/checkpoints/` — |
| 3631 | // prune must not walk into it. The list_sessions iterator |
| 3632 | // already filters to top-level `*.json` files (skipping |
| 3633 | // sub-directories), so this test pins that behaviour. |
| 3634 | let tmp = tempdir().expect("tempdir"); |
| 3635 | let sessions_dir = tmp.path().join("sessions"); |
| 3636 | let manager = SessionManager::new(sessions_dir.clone()).expect("new"); |
| 3637 | let checkpoint_dir = sessions_dir.join("checkpoints"); |
| 3638 | fs::create_dir_all(&checkpoint_dir).expect("mkdir checkpoints"); |
| 3639 | // Drop a stale-looking JSON inside the checkpoint dir; prune |
| 3640 | // should leave it alone. |
| 3641 | let checkpoint_file = checkpoint_dir.join("latest.json"); |
| 3642 | fs::write(&checkpoint_file, "{}").expect("write checkpoint"); |
| 3643 | |
| 3644 | write_session_with_updated_at(&manager, "stale", Utc::now() - chrono::Duration::days(60)); |
| 3645 | let pruned = manager |
| 3646 | .prune_sessions_older_than(std::time::Duration::from_secs(7 * 24 * 3600)) |
| 3647 | .expect("prune"); |
| 3648 | assert_eq!(pruned, 1, "the top-level stale session should be removed"); |
| 3649 | assert!( |
| 3650 | checkpoint_file.exists(), |
| 3651 | "checkpoint file should be untouched" |
| 3652 | ); |
| 3653 | } |
| 3654 | |
| 3655 | #[test] |
| 3656 | fn test_load_offline_queue_rejects_newer_schema() { |
| 3657 | let tmp = tempdir().expect("tempdir"); |
| 3658 | let sessions_dir = tmp.path().join("sessions"); |
| 3659 | let manager = SessionManager::new(sessions_dir.clone()).expect("new"); |
| 3660 | let checkpoints = sessions_dir.join("checkpoints"); |
| 3661 | fs::create_dir_all(&checkpoints).expect("create checkpoints dir"); |
| 3662 | let path = checkpoints.join("offline_queue.json"); |
| 3663 | fs::write( |
| 3664 | &path, |
| 3665 | r#"{ |
| 3666 | "schema_version": 999, |
| 3667 | "messages": [], |
| 3668 | "draft": null |
| 3669 | }"#, |
| 3670 | ) |
| 3671 | .expect("write queue"); |
| 3672 | |
| 3673 | let err = manager |
| 3674 | .load_offline_queue_state() |
| 3675 | .expect_err("should reject schema"); |
| 3676 | assert!( |
| 3677 | err.to_string().contains("newer than supported"), |
| 3678 | "unexpected error: {err}" |
| 3679 | ); |
| 3680 | } |
| 3681 | } |
| 3682 |