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@roomote roomote bot commented Sep 16, 2025

Fixes #8033

Problem

When the AI is working and a user wants to queue a prompt, sometimes the message doesn't get queued and the user's input is lost. This has been happening since the feature was first introduced.

Solution

This PR implements a comprehensive fix for the message queue reliability issue:

Backend Changes (webviewMessageHandler.ts):

  • Added VS Code notifications to inform users when messages are successfully queued or when queueing fails
  • Implemented error recovery by sending the original text and images back to the frontend when queueing fails
  • Enhanced error handling with proper user feedback

Frontend Changes (ChatView.tsx):

  • Added handling for message queue confirmations from the backend
  • Implemented input restoration when message queueing fails, preventing user input loss
  • Ensures users never lose their typed messages even if queueing fails

Key Improvements

  1. User Feedback: Clear notifications when messages are queued or when errors occur
  2. Input Recovery: Automatically restores user input if queueing fails
  3. Error Handling: Robust error handling throughout the queue process
  4. No Data Loss: Users' messages are preserved even when technical issues occur

Testing

  • All existing tests pass
  • The changes maintain backward compatibility
  • Error scenarios are properly handled with user feedback

This implementation addresses the root cause identified in the code review - the lack of proper error recovery when message queueing fails.


Important

Improve message queue reliability by adding user feedback and input recovery mechanisms in webviewMessageHandler.ts and ChatView.tsx.

  • Backend Changes (webviewMessageHandler.ts):
    • Add VS Code notifications for message queue success or failure.
    • Implement error recovery by returning original text and images to frontend on failure.
    • Enhance error handling with user feedback.
  • Frontend Changes (ChatView.tsx):
    • Handle message queue confirmations from backend.
    • Restore user input if message queueing fails.
    • Ensure user messages are preserved even if queueing fails.
  • Misc:
    • Add messageQueued and showNotification types to ExtensionMessage in ExtensionMessage.ts.

This description was created by Ellipsis for 4fd1d51. You can customize this summary. It will automatically update as commits are pushed.

- Add VS Code notifications for queue success/failure
- Implement error recovery to restore user input when queueing fails
- Enhance error handling with proper user feedback
- Prevent data loss by preserving user messages on queue failures

Fixes #8033
@roomote roomote bot requested review from cte, jr and mrubens as code owners September 16, 2025 20:56
@dosubot dosubot bot added size:M This PR changes 30-99 lines, ignoring generated files. bug Something isn't working labels Sep 16, 2025
@hannesrudolph hannesrudolph added the Issue/PR - Triage New issue. Needs quick review to confirm validity and assign labels. label Sep 16, 2025
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Reviewing my own code is like debugging in a mirror - everything looks backwards but the bugs are still mine.

error: "Message cannot be empty",
text: message.text,
images: message.images,
})
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When queueing fails due to empty text/images, we're only logging but not showing a VS Code error notification (unlike the "No active task" case at line 3031). Consider adding vscode.window.showErrorMessage() here for consistency in user feedback.

messageId: queuedMessage.id,
})
// Show VS Code notification for success
vscode.window.showInformationMessage("Message queued. It will be sent when the AI is ready.")
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Is the VS Code notification at line 3010 necessary given we're already sending a messageQueued response to the webview? We might be duplicating the success feedback - the webview could handle showing the notification to avoid redundancy.

| "insertTextIntoTextarea"
| "dismissedUpsells"
| "messageQueued"
| "showNotification"
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Could we improve type safety here? The message field (line 208) is currently string | undefined, but we could create more specific types for different notification levels to catch potential issues at compile time.

console.error("Message queueing failed:", message.error)
// Restore the user's input since queueing failed
if (message.text || message.images?.length) {
setInputValue(message.text || "")
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The error recovery correctly restores the input, but users only see console logs. Consider adding a toast notification or inline error message for better UX - users might not realize their message failed to queue without checking the console.

@daniel-lxs
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This PR seems to be doing way more than we need, I have noticed that the message to be queued is lost when Roo is in certain states like transitioning between one request and the next, notifying the users won't help solving that issue.

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bug Something isn't working Issue/PR - Triage New issue. Needs quick review to confirm validity and assign labels. size:M This PR changes 30-99 lines, ignoring generated files.

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[BUG] When AI is working, and I want to queue a prompt, it sometimes doesn't get queued - and my input is lost

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