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fix(wework): wait for context compaction completion - #2722
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📝 WalkthroughWalkthroughContext compaction now confirms persisted transcript completion, preserves synthetic subtask identity, deduplicates runtime events, reconciles optimistic workbench state, returns completion identifiers, and adds desktop E2E coverage and documentation. ChangesContext compaction lifecycle
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: 🟡 Moderate · up to Some supported completion payloads may still fail to produce the compaction marker, and the desktop regression can race its request-count assertion, creating a bounded user-visible correctness gap and an unreliable merge check. Address or explicitly accept these risks before merging. Sequence Diagram(s)sequenceDiagram
participant User
participant Wework
participant Executor
participant Codex
User->>Wework: Request context compaction
Wework->>Executor: Start compaction with synthetic subtask
Executor->>Codex: Poll transcript for completed contextCompaction item
Codex-->>Executor: Return persisted turn and item identifiers
Executor-->>Wework: Publish completion
Wework->>Executor: Send follow-up request
Executor->>Codex: Include persisted compaction summary
Possibly related PRs
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qdaxb
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August 15, 2026 14:18
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Inline comments:
In `@docs/zh/wegent/developer-guide/local-device-architecture.md`:
- Line 114: 更新桌面 E2E 验证说明，使其与当前 checkpoint mock compaction 方案一致：明确 mock
的请求边界及可验证的阶段和后续请求内容；如果该方案无法满足现有验证目标，则改为执行一次真实压缩请求。同步调整相关描述，避免文档要求超出实际测试能力。
In `@executor/src/runtime_work/events.rs`:
- Around line 1295-1298: Update is_context_compaction_notification to select the
nested notification payload in the order item, then turn, then params, so
turn-based compaction notifications are classified correctly. Add a regression
test covering a compaction payload nested under turn.
In `@wework/e2e/desktop/scenarios/context-compaction.scenario.mjs`:
- Around line 207-212: In the compaction request mock handler for kind ===
'compaction', resolve a compactionStarted promise when handleHttp() increments
compactionRequests, then await that promise immediately before the
compactionRequests assertion in the context-compaction scenario. Keep the
existing indicator wait and single-request expectation unchanged.
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Configuration used: defaults
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Run ID: 6e93c793-6cb1-4eff-af47-a201f990a6a2
📒 Files selected for processing (14)
docs/en/wegent/developer-guide/local-device-architecture.mddocs/zh/wegent/developer-guide/local-device-architecture.mdexecutor/src/runtime_work/events.rsexecutor/src/runtime_work/handler.rsexecutor/src/runtime_work/handler/notifications.rsexecutor/src/runtime_work/handler/tasks.rsexecutor/src/runtime_work/handler/tests.rswework/e2e/desktop/checkpoints.mjswework/e2e/desktop/run-checkpoints.mjswework/e2e/desktop/scenarios/context-compaction.scenario.mjswework/src/features/workbench/runtimeConversationTurns.test.tswework/src/features/workbench/runtimeConversationTurns.tswework/src/features/workbench/useWorkbenchRuntimeMessaging.tswework/src/types/api.ts
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What
Why
Clicking Compress returned after
thread/compact/startwas accepted, before Codex persisted the compacted summary. Wework refreshed too early, so the completion marker could be missing and the next turn could still use the uncompacted context.Impact
Manual context compaction now has an authoritative completion boundary. Users get immediate progress feedback, a single completion marker, and subsequent turns use the persisted compacted summary.
Root cause
The executor treated RPC acceptance as completion, while the bundled Codex app-server can persist the
contextCompactionitem hundreds of milliseconds later and does not consistently forward a dedicated compaction notification. The UI therefore settled and refreshed before the transcript became authoritative.Verification
cargo test --manifest-path executor/Cargo.toml context_compaction -- --nocapturepnpm --filter wework test src/features/workbench/runtimeConversationTurns.test.ts src/features/workbench/runtimePaneMessages.test.tspnpm --filter wework typecheckpnpm --filter wework e2e:desktop -- --segment context-compactioncargo test --all-features --lib, and ClippyE2E proof
The desktop scenario holds the compaction model response open, asserts exactly one request and one running indicator, releases the response, verifies the completed indicator, then sends a follow-up and asserts that the model request contains the persisted compaction summary.
Summary by CodeRabbit
New Features
Bug Fixes
Tests