Files
LEDMatrix/web_interface/static/v3
Chuck 9914e26ca0 fix(web-ui): harden SSE broadcaster — drop-oldest on full queue, exit on no subscribers, reattach reconnect handlers
- _broadcast: on queue.Full drop the oldest item and retry the put
  instead of removing the client from _clients — a slow tab now stays
  subscribed and receives the latest data rather than being silently
  ejected
- _broadcast: break instead of continue when _clients is empty so the
  background generator thread exits rather than spinning indefinitely;
  subscribe() already restarts it on the next connection
- base.html: expose _statsOpenHandler, _statsErrorHandler, and
  _displayErrorHandler as window properties so reconnectSSE() can
  reattach them after replacing the EventSource instances
- app.js: reconnectSSE() now reattaches those handlers after creating
  each new EventSource so the status badge and display-stream console
  logging survive a manual reconnect

Heartbeat path (~line 646) is a queue read (q.get), not a write; no
queue.Full can occur there so no change needed.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-24 17:47:16 -04:00
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