Files
amethyst/commons
Claude 87c4077f94 fix(relay): detect background via LifecycleEventObserver, not bg-dispatched flow
A device log showed the foreground feeds (and ~150 relays) staying
connected for a full ~60s after the app was paused, then collapsing to
the 11-relay floor all at once:

    11:26:02  HomeOutboxEventsEoseManager — keys=2, relays=344   (paused here)
              … 60s of silence …
    11:27:02  grace-start(HomeFilterAssembler) — lifecycle=CREATED
    11:27:02  updatePool done — flowConnected=9, inPool=11

The lifecycle-aware subscription detected ON_STOP by collecting
lifecycle.currentStateFlow on Dispatchers.Default. Backgrounded, that
collector wasn't resumed until the next NostrClient keep-alive tick
(KEEP_ALIVE_INTERVAL_MS = 60s), so teardown — and the relay disconnects
it drives — lagged a minute behind the actual pause.

Switch detection to a main-thread LifecycleEventObserver, which fires
synchronously during onStop. Only the grace delay still runs on the
background scope (so it isn't gated by the stopped UI frame clock).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ukw6FJPFh3JKGXL532p3ae
2026-06-18 15:34:56 +00:00
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