Add connection status indicator with SSE heartbeat #10

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ryan merged 1 commits from feat/sse-heartbeat into main 2026-03-03 20:15:30 +00:00

1 Commits

Author SHA1 Message Date
Ryan Hamamura
da82f31d46 feat: add connection status indicator with SSE heartbeat
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- Add ConnectionIndicator component showing green/red dot
- Send lastPing signal every 15 seconds via SSE
- Indicator turns red if no ping received in 20 seconds
- Gives users confidence the live connection is active
2026-03-03 10:05:03 -10:00