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The debug block exposed only gauges (buckets, quarantined, inFlight) — state, not work.
A real flapping Firestick reads as flap.buckets:36, quarantined:0, indistinguishable
from healthy. Add lightweight in-memory throughput counters (total + last-completed
rolling window) so the server tells the flapper/flood story itself.
- lib/rolling-counter.js: shared bounded scalar counter (total, curWindow, lastWindow,
windowStart); rolls lazily on bump AND read (no timer), idle decays to 0.
DEBUG_STATS_WINDOW_MS default 60000.
- flap-limiter: refused{Total,LastWindow} (every allow:false), quarantineStarts{Total,
LastWindow} (a quarantine event stays visible after the gauge decays).
- ota-breaker: stats() rateBackoff{Total,LastWindow}.
- ota-download-guard: servedTotal/shedTotal alongside the per-window values.
- database: maintenance sweepsTotal (confirm the prune is firing, not stalled).
- routes/status: debug block gains ota_breaker + the new fields (aggregate-only, cheap).
Tests: rolling-counter window-roll + idle decay; each counter increments on the right
event; booted /api/status asserts the new fields present + numeric. Suite 285/285.
Fallout doc: observability section lists the fields + what each tells a soak-watcher.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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| activity.js | ||
| admin.js | ||
| agency.js | ||
| ai.js | ||
| assignments.js | ||
| auth.js | ||
| contact.js | ||
| content.js | ||
| device-groups.js | ||
| devices.js | ||
| folders.js | ||
| kiosk.js | ||
| layouts.js | ||
| pip.js | ||
| player-debug.js | ||
| playlists.js | ||
| provisioning.js | ||
| reports.js | ||
| schedules.js | ||
| status.js | ||
| stripe.js | ||
| subscription.js | ||
| teams.js | ||
| tokens.js | ||
| video-walls.js | ||
| white-label.js | ||
| widgets.js | ||
| workspaces.js | ||