Ramadhan Sjamsani
a8c20d929e
Splits the single mitra_ping_interval_seconds config (which conflated
"how often the app pings" with "how long until offline" through a
hidden ×3 multiplier) into two orthogonal knobs:
- mitra_stale_after_seconds (CC-tunable, app_config DB row): the
operator-facing offline threshold. What you set is what you get —
no multiplier. Default 45s (preserves today's effective grace at
the legacy 15s ping default).
- MITRA_HEARTBEAT_CADENCE_SECONDS (env var, default 30s): how often
the mitra app sends a heartbeat. Backend-fixed per deployment;
surfaced to the mitra app via /api/mitra/status.
Backend:
- config.service: getMitraPingConfig returns the new tuple
{require_ping, stale_after_seconds, heartbeat_cadence_seconds}.
Env parser handles blank/non-numeric → 30 fallback.
- mitra-status.service::autoOfflineStaleMitras drops the *3 and uses
stale_after_seconds directly.
- mitra-status.service::getStatus returns heartbeat_cadence_seconds
instead of ping_interval_seconds.
- /internal/config/mitra-ping PATCH validates
stale_after_seconds >= cadence, returns 422 with a clear message
("stale_after_seconds must be a number >= heartbeat cadence (30s)").
- migrate.js: adds mitra_stale_after_seconds default 45. The old
mitra_ping_interval_seconds key is left in place (vestigial) —
no live code reads it; safe to drop after one release.
Mitra app:
- status_notifier reads heartbeat_cadence_seconds, uses it directly
as the Timer.periodic interval. Defaults to 30s if missing (older
backend safety).
Control center:
- SettingsPage: renames "Interval Ping" → "Ambang offline", input
min={heartbeat_cadence_seconds}, shows the cadence as a read-only
value with explanation that it's env-controlled.
Verified end-to-end on dev backend:
- GET /api/mitra/status returns {…, heartbeat_cadence_seconds: 30}
- GET /internal/config/mitra-ping returns {require_ping,
stale_after_seconds: 45, heartbeat_cadence_seconds: 30}
- PATCH with stale_after_seconds=20 → 422 with cadence message
- PATCH with stale_after_seconds=120 → 200, persisted
- Env override (=60, blank, "foo") parses correctly.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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