fix(task): don't lose chat box input when resuming a task with Continue

[nh2]

Text and images typed into the chat box were discarded when the user clicked Continue on a resumed task instead of pressing Send, and undo could not bring them back.

Assisted-by: Claude Opus 5.5 with Zoo Code

Related GitHub Issue

Closes: #487

Description

The Continue button no longer irrevocably deletes the text typed in the chat box.

Test Procedure

Automatic test added; fails without the fix.

Pre-Submission Checklist

• Issue Linked: This PR is linked to an approved GitHub Issue (see "Related GitHub Issue" above).
• Scope: My changes are focused on the linked issue (one major feature/fix per PR).
• Self-Review: I have performed a thorough self-review of my code.
• Testing: New and/or updated tests have been added to cover my changes (if applicable).
• Documentation Impact: I have considered if my changes require documentation updates (see "Documentation Updates" section below).
• Contribution Guidelines: I have read and agree to the Contributor Guidelines.

Visual Snapshots

Not needed, just fixes what I showed in the video of the original issue.

Documentation Updates

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

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Reviewing files that changed from the base of the PR and between 1f28273 and 2766bbd.

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📒 Files selected for processing (1)

• src/core/task/__tests__/Task.persistence.spec.ts

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📓 Path-based instructions (5)

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...

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• src/core/task/__tests__/Task.persistence.spec.ts

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Require regression coverage at the lowest valid harness with behavior-focused assertions, including relevant negative, error, false/unset, and boundary cases.

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• src/core/task/__tests__/Task.persistence.spec.ts

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Check strict typing and exhaustive behavior across normal, boundary, error, cancellation, retry, and compatibility paths.

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• src/core/task/__tests__/Task.persistence.spec.ts

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Verify extension/webview contracts, cancellation and error propagation, VS Code lifecycle correctness, and behavior under retries and partial failure.

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• src/core/task/__tests__/Task.persistence.spec.ts

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⚙️ CodeRabbit configuration file

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• src/core/task/__tests__/Task.persistence.spec.ts

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🔇 Additional comments (1)

src/core/task/__tests__/Task.persistence.spec.ts (1)

2220-2220: LGTM!

Also applies to: 2302-2302

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📝 Summary

Summary by CodeRabbit

• Bug Fixes
  • When resuming a task, chat-box text and images are now included as user feedback in the resumed request when using Continue or Send, or when replying to a message. Text-only and image-only entries are supported as well.
  • Continuing with an empty chat box sends only the standard task-resumption prompt, without adding user feedback.

📝 Summary

📝 Summary

Walkthrough

When resuming a task, text or images in the chat box now trigger feedback recording and forwarding, in addition to the "messageResponse" case. Tests cover Continue and Send with populated input, and Continue with empty input.

Changes

Task resumption feedback

Layer / File(s)	Summary
Resume task with chat-box feedback src/core/task/Task.ts, src/core/task/__tests__/Task.persistence.spec.ts	Task resumption records and forwards feedback when text or images are present. Tests cover Continue and Send with populated input, and verify that empty Continue input creates no feedback message.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix · Severity of issue fixed: Low

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Merge Risk: ⚪ Minimal · up to 2766b

The tests now protect against clearing empty input incorrectly and against losing populated chat-box input when a task resumes. No actionable merge-blocking risk remains.

Security Architecture Review

Security architecture risk: 🔵 Low · up to 1f282

Continue now includes entered text and images when resuming a task. No new permissions or submission destinations were identified. Recovery after interrupted saves and overlapping resumptions was not fully established.

Retained concerns
No architecture-level concerns identified.

Security review details

Security Blast Radius

• inferred — The demonstrated exposure change is additional chat-box content reaching the resumed task’s feedback storage and configured model request. The production diff does not add identities, permissions, tool authority, or submission destinations; downstream model behavior was not independently assessed.

Trust Boundaries and Controls

• observed — Captured input remains task-associated user content: text is wrapped as user_message content and images use the existing image formatter before entering the existing task loop. These formatting steps do not themselves establish a security validation boundary.

Resilience and Maintainability Implications

• observed — Resumption checks abort or abandonment after loading saved messages, treats intentional cancellation errors as expected, and uses a loop conditioned on not being aborted. These existing controls do not make the preceding persistence steps atomic.

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Caution

Pre-merge checks failed

Please resolve all errors before merging. Addressing warnings is optional.

• Ignore (reviewers only)

❌ Failed checks (1 error)

Check name	Status	Explanation	Resolution
Persistence Integrity		The new Continue path activates a non-durable persistence sequence. At Task.ts:2989-2992, text or images from Continue are passed to await this.say("user_feedback", ...). say adds the message an…	Make resume feedback persistence durable before resuming. Propagate the saveClineMessages() failure from the user_feedback append, or add bounded retry and return an error. Do not call initiateTaskLoop until the feedback write succeed…

✅ Passed checks (7 passed)

Check name	Status	Explanation
Linked Issues check		PASS. Issue #487 requires Continue to preserve typed input or send it into the resumed chat. src/core/task/Task.ts now records non-empty text or images as user_feedback and includes them in resume…
Out of Scope Changes check		PASS. The changed production code and tests address chat-box input handling during task resumption. The summary shows no unrelated behavior or files.
Regression Evidence		Focused coverage exists at the task persistence layer. The new tests cover Continue with text and images, text only, images only, and an empty chat box. They assert both the user_feedback record and…
Security Boundaries		No changed path introduces a security-boundary failure. src/core/task/Task.ts:2989-2993 now preserves text and images from the dedicated resume ask and forwards them as user feedback and API content…
Lifecycle Resource Cleanup		PASS. The only lifecycle-related change is the condition at Task.ts:2989, which now records non-empty Continue input through the existing say("user_feedback") path. That path only persists a messa…
Title check		The title clearly identifies the task-resumption bug and the lost chat-box input it fixes.
Description check		The description includes the linked issue, problem statement, implementation outcome, test information, and completed checklist. The test procedure is brief and does not identify the test path or prov…

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Full details: Persistence Integrity

Explanation

The new Continue path activates a non-durable persistence sequence. At Task.ts:2989-2992, text or images from Continue are passed to await this.say("user_feedback", ...). say adds the message and calls saveClineMessages() at Task.ts:1615, but saveClineMessages() catches write errors and returns false at Task.ts:1682-1722; addToClineMessages() ignores that result. The resume flow then proceeds to initiateTaskLoop at Task.ts:3145-3148. If the UI-message write fails because of a full or unavailable storage path, Continue still consumes and sends the input, while the user_feedback record is absent from durable task history. No rollback, retry, or failure propagation protects this newly activated Continue path.

Resolution

Make resume feedback persistence durable before resuming. Propagate the saveClineMessages() failure from the user_feedback append, or add bounded retry and return an error. Do not call initiateTaskLoop until the feedback write succeeds. If the write cannot succeed, roll back the in-memory message or keep the task paused so the input is not consumed without a persisted record.

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Review status

Thanks for contributing. This comment tracks the review sequence and the next action.

Current step: Address automated review findings and push fixes.

After fixes are pushed and required CI passes, automated review restarts.

Review-state labels are managed by this workflow; do not edit them manually. community-approved is managed the same way — do not add or remove it manually. It signals a fresh community code approval for the current head as an advisory priority only; maintainer review is still required.

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Codecov Report

✅ All modified and coverable lines are covered by tests.

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[coderabbitai]

Actionable comments posted: 2

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• 🪄 Fix CodeRabbit comments on this PR

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Inline comments:
Review comments at @src/core/task/__tests__/Task.persistence.spec.ts:
- Around line 2221-2222: Update the parameterized Continue test in
Task.persistence.spec.ts to include a yesButtonClicked case with empty text and
an image. Make the text assertion conditional on text being present, and
strengthen the image assertion to verify the submitted image data, using the
image source data field.

Review comments at @src/core/task/Task.ts:
- Line 2989: Update the empty-Continue test’s assertion on the mocked say
function to count calls whose type is user_feedback, rather than using
expect.anything() for its arguments, so calls with undefined arguments are
detected.

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📥 Commits

Reviewing files that changed from the base of the PR and between 3859e5d and f386aa0.

📒 Files selected for processing (2)

• src/core/task/Task.ts
• src/core/task/__tests__/Task.persistence.spec.ts

Included review availability: This review used your included allowance. Your plan provides up to 4 included reviews per hour; 3 remain after this review.

📜 Review details

🧰 Additional context used

📓 Path-based instructions (5)

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...

⚙️ CodeRabbit configuration file

Files:

• src/core/task/Task.ts
• src/core/task/__tests__/Task.persistence.spec.ts

Require regression coverage at the lowest valid harness with behavior-focused assertions, including relevant negative, error, false/unset, and boundary cases.

⚙️ CodeRabbit configuration file

Files:

• src/core/task/__tests__/Task.persistence.spec.ts

Check strict typing and exhaustive behavior across normal, boundary, error, cancellation, retry, and compatibility paths.

⚙️ CodeRabbit configuration file

Files:

• src/core/task/Task.ts
• src/core/task/__tests__/Task.persistence.spec.ts

Verify extension/webview contracts, cancellation and error propagation, VS Code lifecycle correctness, and behavior under retries and partial failure.

⚙️ CodeRabbit configuration file

Files:

• src/core/task/Task.ts
• src/core/task/__tests__/Task.persistence.spec.ts

Act as an adversarial second-opinion reviewer.

⚙️ CodeRabbit configuration file

Files:

• src/core/task/Task.ts
• src/core/task/__tests__/Task.persistence.spec.ts

🪛 GitHub Check: mutation-diff

src/core/task/Task.ts

[warning] 2989-2989: Mutation test advisory
src/core/task/Task.ts:2989: 11 mutation test gaps; example: NoCoverage ConditionalExpression mutant (replacement: true). See the job summary for the complete list and resolution guidance.

[coderabbitai]

Pre-merge checks failed. Please resolve the failing checks before merging.

[taltas]

Could you add a text-only Continue case so removing the independent text predicate would fail this regression test?

[nh2]

@taltas Fair point, done

[coderabbitai]

Pre-merge checks failed. Please resolve the failing checks before merging.