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Project	Deployment	Actions	Updated (UTC)
docs	Skipped		Apr 7, 2026 10:50pm

PR Summary

Medium Risk
Touches signup request configuration (captcha header propagation) and chat stop-generation handlers; mistakes could block account creation or misfire cancellation behavior, but changes are small and localized.

Overview
Fixes captcha header propagation during email signup by sending x-captcha-response via the correct request options shape in client.signUp.email, and simplifies the "user already exists" error handling message.

Adds PostHog telemetry for aborted generation by introducing a new task_generation_aborted event and emitting it when users stop generation in both the mothership home chat and the workflow copilot chat (with a view dimension).

^{Reviewed by Cursor Bugbot for commit 0f602f7. Bugbot is set up for automated code reviews on this repo. Configure here.}

Greptile Summary

This PR bundles two focused changes: (1) PostHog telemetry for mothership/copilot generation abort (task_generation_aborted) and message send (task_message_sent), and (2) a fix for Turnstile captcha token not being forwarded as an x-captcha-response header on manual signup.

• events.ts: Adds two well-typed event definitions to the PostHog catalog — schemas match all call sites exactly.
• home.tsx: Uses the posthogRef pattern correctly to avoid stale closures in useCallback. Captures task_generation_aborted on stop and task_message_sent on submit.
• panel.tsx: Mirrors the posthogRef pattern and adds task_generation_aborted for the copilot view, but handleCopilotSubmit does not capture task_message_sent, making copilot sends invisible in analytics while mothership sends are tracked.
• signup-form.tsx: The captcha fix correctly makes the x-captcha-response header conditional on the token existing. Error handling and setIsLoading resets are all properly covered.

Confidence Score: 5/5

Safe to merge — all remaining findings are P2 style/analytics consistency suggestions with no correctness or data integrity impact.

Both commits are small and focused. The captcha fix is correct and straightforward. The telemetry additions follow the existing posthogRef pattern properly. The only gap is a missing task_message_sent event in the copilot submit handler, which is a non-blocking analytics omission.

panel.tsx — the missing task_message_sent capture in handleCopilotSubmit should be addressed for complete telemetry parity.

Important Files Changed

Sequence Diagram

sequenceDiagram
    participant U as User
    participant Home as Home (Mothership)
    participant Panel as Panel (Copilot)
    participant PH as PostHog
    participant API as Chat API

    U->>Home: Submit message
    Home->>PH: task_message_sent {view: mothership}
    Home->>API: sendMessage()

    U->>Home: Click Stop
    Home->>PH: task_generation_aborted {view: mothership}
    Home->>API: stopGeneration()

    U->>Panel: Submit message
    Note over Panel,PH: ⚠ task_message_sent NOT captured
    Panel->>API: copilotSendMessage()

    U->>Panel: Click Stop
    Panel->>PH: task_generation_aborted {view: copilot}
    Panel->>API: copilotStopGeneration()

    U->>Home: Sign up (with captcha)
    Home->>Home: widget.execute() gets token
    Home->>API: signUp.email() + x-captcha-response header

_{Reviews (1): Last reviewed commit: "fix(login): fix captcha headers for manu..." | Re-trigger Greptile}