Jure 0894389fe0 Fix feed OOM: lazy image loading, inView gating, WebKit memory tuning ...

- NoteContent: remove ImageGrid from inline mode — images now only load
  when note is inView (via mediaOnly), stopping runaway scrolling leak
- NoteCard: content-visibility:auto to skip layout/paint for off-screen
  cards; inView-gated media, NoteActions, NIP-05 verification
- useInView: new IntersectionObserver hook with 300px rootMargin
- useProfile: MAX_PROFILE_CONCURRENT=8 throttle with fetch queue
- useReplyCount/useZapCount/useReactions: enabled param, throttled queues
- feed.ts: MAX_FEED_SIZE 200→30, live sub disabled (pendingNotes pattern),
  250ms batch debounce on live events
- core.ts: MAX_CONCURRENT_FETCHES=25 global NDK cap, fetchWithTimeout
  uses subscribe+stop instead of fetchEvents (no zombie subscriptions)
- lib.rs: HardwareAccelerationPolicy::Never + CacheModel::DocumentViewer
- main.rs: WEBKIT_DISABLE_COMPOSITING_MODE=1 for Linux
- relay/db.rs: TTL eviction + 5000 event cap
- feedDiagnostics.ts: file-flushing diag log survives crashes

2026-04-15 20:36:14 +02:00

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Fix feed OOM: lazy image loading, inView gating, WebKit memory tuning

2026-04-15 20:36:14 +02:00