feat: idle timeout detection before Kernel session expires#155
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feat: idle timeout detection before Kernel session expires#155
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- Add BrowserSession table to persist session mappings across Cloud Run restarts - Disconnect CDP on component unmount (stops Kernel billing while user is away) - Reconnect from DB when user returns to chat (reuses same Kernel browser) - Fall back to DB lookup in getBrowser/getOrCreateBrowser for crash recovery - Clean up BrowserSession rows on chat deletion
- Increase Kernel timeout from 1h to 24h (browser enters standby at zero cost when no CDP/live-view connections are active) - Update modal copy to explain session preservation behavior
…te modal copy Browser stop: replace per-session boolean flag with AbortController so stop signals propagate to queued and in-flight commands immediately, even when abort fires between tool calls. Modal: remove "After 1 day, your browser session will be permanently deleted" line per team discussion.
request.signal propagation is unreliable on Cloud Run with resumable streams/SSE. Instead of relying on it, the client now sends an explicit POST to /api/kernel-browser with action: 'stop' which directly aborts the session's AbortController and severs CDP.
…mselves The agent was sometimes selecting "applying on behalf of someone else" because the system prompt said "on behalf of caseworkers". Clarified that the caseworker is with the participant filling out their own application, and added explicit rule to always answer "Yes" to "applying for yourself?" questions.
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