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Coalesce live snapshot refreshes across application workers #434

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timmy merged 1 commits from timmy/433-shared-live-snapshot into main 2026-08-09 23:21:59 +00:00
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timmy commented 2026-08-09 23:20:40 +00:00
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Closes #433

What changed

  • persist live snapshot content, per-section freshness/backoff, and revisions atomically in private SQLite state
  • coordinate workers with an expiring refresh lease and stale-while-revalidate reads
  • preserve cross-worker notification filtering and recover from cancellation, lease expiry, reboot, and state-store outages

Verification

  • strict RED/GREEN behavioral coverage for lease races, atomic publication, expiry recovery, wall-clock persistence, cooldown behavior, cancellation cleanup, private permissions, and store outages
  • python3 -m pytest tests/test_live_snapshot_store.py tests/test_live_snapshot.py tests/test_notification_read.py -q — 34 passed
  • python3 -m pytest -q — 840 passed
  • python3 -m compileall -q src tests
  • git diff --check
Closes #433 ## What changed - persist live snapshot content, per-section freshness/backoff, and revisions atomically in private SQLite state - coordinate workers with an expiring refresh lease and stale-while-revalidate reads - preserve cross-worker notification filtering and recover from cancellation, lease expiry, reboot, and state-store outages ## Verification - strict RED/GREEN behavioral coverage for lease races, atomic publication, expiry recovery, wall-clock persistence, cooldown behavior, cancellation cleanup, private permissions, and store outages - `python3 -m pytest tests/test_live_snapshot_store.py tests/test_live_snapshot.py tests/test_notification_read.py -q` — 34 passed - `python3 -m pytest -q` — 840 passed - `python3 -m compileall -q src tests` - `git diff --check`
timmy added 1 commit 2026-08-09 23:20:41 +00:00
perf: share live refreshes across workers (#433)
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timmy merged commit e0de45ea90 into main 2026-08-09 23:21:59 +00:00
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Reference: stackchain/stackchain-dashboard#434