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2 commits

Author SHA1 Message Date
Sun Tao
c9e0f7ab0d fix: add WebSocket keep-alive to prevent service worker sleep
Chrome MV3 service workers sleep after ~30s idle, dropping the
WebSocket connection. Send a PING every 20s to keep it alive.
Backend ignores PING messages silently.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-03 10:38:28 +08:00
Sun Tao
cbd3cf930e update 2026-03-31 17:20:08 +08:00