ProximityMonitor now records each stage the live chain reaches (Settings →
Debug → Alert trace, in-memory, newest-first, capped at 8):
- didEnterRegion arrival (regionEventCount + entry line) — distinguishes
'geofence never fires' from 'gate blocked the alert'
- gate misses: station not in loaded list, hourly dedup (with minutes ago),
no fuel sellers within radius after fresh fetch, entered-not-cheapest
(with the cheaper station + price)
- the previously-silent fresh-fetch catch now logs the error
- 'alert scheduled' once UNUserNotificationCenter.add is called — if that
line appears but no banner shows, the failure is delivery/permission,
not alert logic
SettingsView shows the trace (symbol per kind) + region-event count; the
existing Test-alert button already probes notification permission and
reports denial inline. 83 tests, Release build green.
FuelBoard Contributor
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