[Fix] Subtasks process queued feedback before returning by zoomote[bot] · Pull Request #1318 · Zoo-Code-Org/Zoo-Code

zoomote · 2026-08-21T03:19:09Z

Created by Roomote. Follow up by mentioning @roomote, in the web UI, or in Discord.

What changed

Streaming API input is enqueued directly in the extension host so it cannot race child completion through an asynchronous webview round trip. Queued lifecycle feedback is preserved through the durable claim behavior on main, and batch file reads treat conversational messageResponse input as denial feedback rather than permission JSON, including image-only feedback.

The VS Code e2e queues input while a child is completing, verifies the child processes it, and only then allows the parent to resume. Its fixture now uses the harness's stable substring matching and records finalized messages whether partial is false or omitted. Focused tests cover streaming and image-only API delivery, queued lifecycle handling, per-file batch denial updates, image-only batch feedback, explicit and conversational denial, and mixed per-file decisions.

Why this change was made

Queued instructions could be lost when a delegated child reached completion while the API/webview path was still delivering the message. Image-only queued feedback could also be omitted from a denied batch read's model result. This addresses #1308 within the task-lifecycle work tracked by #355.

Impact

Subtasks process queued steering feedback before returning control to their parent, and image-only feedback remains available to image-capable models. Ordinary tool and command approve-with-feedback behavior remains unchanged. The full unit suite, complete mocked VS Code e2e suite, lint, type checks, and changed-line mutation gate pass locally.

Linked work items

Closes #1308
Tracked under #355

Related PRs

Documentation: [Docs] Clarify queued feedback during subtask completion Zoo-Code-Docs#39

codecov · 2026-08-21T03:25:01Z

Codecov Report

✅ All modified and coverable lines are covered by tests.

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github-actions · 2026-08-29T22:01:18Z

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edelauna · 2026-09-05T04:11:55Z

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coderabbitai · 2026-09-05T04:12:21Z

📝 Summary

Summary by CodeRabbit

Bug Fixes
- Messages sent while a task is actively streaming are now queued and processed in sequence, including image-only messages.
- Queued conversational responses during batch file approval are handled consistently, with appropriate feedback and rejection results.
- File approval decisions now correctly support individual approve or deny outcomes across multiple files.
Tests
- Added coverage for queued input during subtask completion, streaming message behavior, and batch file approval scenarios.

Walkthrough

The changes enqueue messages directly during streaming, add end-to-end coverage for queued child input, update batch file approval handling, and adjust MCP test server launch configuration.

Changes

Queued input delivery

Layer / File(s)	Summary
Streaming message queue path `src/extension/api.ts`, `src/extension/__tests__/api.spec.ts`, `src/core/task/__tests__/ask-queued-message-drain.spec.ts`, `src/eslint-suppressions.json`	Streaming messages now use `messageQueueService.addMessage`. Tests cover text, image-only input, non-streaming routing, and direct queue access.
Queued child completion scenario `apps/vscode-e2e/src/fixtures/subtasks.ts`, `apps/vscode-e2e/src/suite/subtasks.test.ts`	Fixtures and an e2e test cover queued input during child completion, revised child output, and parent resumption.

Batch file approval handling

Layer / File(s)	Summary
Batch approval response handling `src/core/tools/ReadFileTool.ts`, `src/core/tools/__tests__/ReadFileTool.spec.ts`, `src/eslint-suppressions.json`	Message responses now follow the batch denial path. Tests cover feedback, plain denial, structured per-file decisions, and mixed outcomes. Truncation warnings no longer include a leading tab.

MCP test launch configuration

Layer / File(s)	Summary
MCP server launch command `apps/vscode-e2e/src/suite/tools/use-mcp-tool.test.ts`	The MCP server uses `process.execPath` and `ELECTRON_RUN_AS_NODE: "1"`.

Estimated code review effort: 3 (Moderate) | ~25 minutes

Merge Risk: 🟡 Moderate · up to da6b0

Image-only queued instructions can be omitted from the model result during batch read denial, so this behavior should be fixed before merge.

Suggested reviewers: hannesrudolph, edelauna

Sequence Diagram(s)

sequenceDiagram
  participant ParentTask
  participant ChildTask
  participant TaskMessageQueue
  ParentTask->>ChildTask: Spawn ask-mode subtask
  ChildTask->>TaskMessageQueue: Wait for queued instruction
  TaskMessageQueue->>ChildTask: Deliver queued instruction
  ChildTask-->>ParentTask: Return processed child result
  ParentTask-->>ParentTask: Resume after child completion

🚥 Pre-merge checks | ✅ 5 | ❌ 2

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description explains the change, motivation, impact, and test coverage. It does not follow the repository template because it omits the required Related GitHub Issue section with a `Closes: #...` …	Add the required template sections. Link the approved issue with `Closes:` #1308`` or the correct issue number, provide reproducible test steps and environment details, complete the Pre-Submission Checklist, and address the Visual Snapshots, …
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 8 files. (1 skipped: 1 …	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the primary change: subtasks process queued feedback before returning control.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Regression Evidence	✅ Passed	Focused coverage exists for each concrete behavior change. `src/extension/__tests__/api.spec.ts` covers direct queueing for streaming text+images, image-only input, and the non-streaming webview path.…
Trust And Persistence Invariants	✅ Passed	No changed path meets the stated failure conditions. `API.sendMessage` now calls the synchronous `MessageQueueService.addMessage` only while a task is streaming; it does not execute the input, bypass …

Full details: Description check

Explanation

The description explains the change, motivation, impact, and test coverage. It does not follow the repository template because it omits the required Related GitHub Issue section with a Closes: #... entry, a dedicated Test Procedure section, the Pre-Submission Checklist, and the remaining template sections.

Resolution

Add the required template sections. Link the approved issue with Closes: #1308`` or the correct issue number, provide reproducible test steps and environment details, complete the Pre-Submission Checklist, and address the Visual Snapshots, Videos, Documentation Updates, Additional Notes, and Get in Touch sections as applicable.

Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 8 files. (1 skipped: 1 unsupported.)

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apps/vscode-e2e/src/fixtures/subtasks.ts

ESLint skipped: missing config or dependency (missing-dependency). The ESLint configuration references a package that is not available in the sandbox.

apps/vscode-e2e/src/suite/subtasks.test.ts

ESLint skipped: the matched ESLint configuration already failed (missing-dependency).

apps/vscode-e2e/src/suite/tools/use-mcp-tool.test.ts

ESLint skipped: the matched ESLint configuration already failed (missing-dependency).

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Actionable comments posted: 2

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Inline comments:
In `@src/core/tools/__tests__/ReadFileTool.spec.ts`:
- Line 702: Update the no-feedback batch test around
ReadFileTool.requestApproval to capture calls to the callback passed as its
third argument, then assert that both file results receive status "denied"
through those updates. Preserve the existing requestApproval invocation and test
scope.

In `@src/core/tools/ReadFileTool.ts`:
- Around line 456-458: Update requestApproval and buildAndPushResult so queued
feedback is recognized when either feedbackText is nonempty or feedbackImages
contains images, preserving image-only feedback instead of denying or omitting
it. Add batch regression coverage for both image-only feedback and responses
without images.

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📥 Commits

Reviewing files that changed from the base of the PR and between f424bbb and da6b088.

📒 Files selected for processing (9)

apps/vscode-e2e/src/fixtures/subtasks.ts
apps/vscode-e2e/src/suite/subtasks.test.ts
apps/vscode-e2e/src/suite/tools/use-mcp-tool.test.ts
src/core/task/__tests__/ask-queued-message-drain.spec.ts
src/core/tools/ReadFileTool.ts
src/core/tools/__tests__/ReadFileTool.spec.ts
src/eslint-suppressions.json
src/extension/__tests__/api.spec.ts
src/extension/api.ts

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⚠️ CI failures not shown inline (1)

GitHub Actions: E2E Tests (Mocked) / 0_e2e-mock.txt: [Fix] Subtasks process queued feedback before returning

Conclusion: failure

View job details

vscode-linux-x64-1.100.0/resources/app/out/vs/workbench/workbench.desktop.main.js:31:17200)
     at vscode-file://vscode-app/home/runner/work/Zoo-Code/Zoo-Code/apps/vscode-e2e/.vscode-test/vscode-linux-x64-1.100.0/resources/app/out/vs/workbench/workbench.desktop.main.js:407:8747
 (node:3260) MaxListenersExceededWarning: Possible EventTarget memory leak detected. 11 abort listeners added to [AbortSignal]. MaxListeners is 10. Use events.setMaxListeners() to increase limit
 (node:3260) MaxListenersExceededWarning: Possible EventTarget memory leak detected. 11 abort listeners added to [AbortSignal]. MaxListeners is 10. Use events.setMaxListeners() to increase limit
 (node:3260) MaxListenersExceededWarning: Possible EventTarget memory leak detected. 11 abort listeners added to [AbortSignal]. MaxListeners is 10. Use events.setMaxListeners() to increase limit
 (node:3260) MaxListenersExceededWarning: Possible EventTarget memory leak detected. 11 abort listeners added to [AbortSignal]. MaxListeners is 10. Use events.setMaxListeners() to increase limit
 (node:3260) MaxListenersExceededWarning: Possible EventTarget memory leak detected. 11 abort listeners added to [AbortSignal]. MaxListeners is 10. Use events.setMaxListeners() to increase limit
 (node:3260) MaxListenersExceededWarning: Possible EventTarget memory leak detected. 11 abort listeners added to [AbortSignal]. MaxListeners is 10. Use events.setMaxListeners() to increase limit
 (node:3260) MaxListenersExceededWarning: Possible EventTarget memory leak detected. 11 abort listeners added to [AbortSignal]. MaxListeners is 10. Use events.setMaxListeners() to increase limit
     ✔ Should handle apply_diff with line number hints (2794ms)
 [Task#dispose] disposing task 01a06f50-7c7c-72f4-b14c-b42e5788317a.d338cad2
 [createTask] parent task 01a06f50-8831-764c-a578-7db91958646b.bbc4824e instantiated
 (node:3260) MaxListenersExceededWarning: Possible EventTarget memory leak detected. 11 abort listeners added to [AbortSignal]...

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📓 Path-based instructions (8)

Check persistence and lifecycle invariants: awaited atomic writes, rollback or explicit partial-failure behavior, cross-window state consistency, stale listeners/watchers, cancellation, idempotency, and safe restart/resume without lost or d...