admin 8643057c81 feat(backend): complete Module 11 (scanning + collection logs) ...

collection_logs table. ScanService validates code state (active only;
used = duplicate, expired = expired, unassigned/allocated = invalid),
geo proximity (≤200m from DOP via ST_Distance_Sphere), then atomically
transitions code -> Used and writes a CollectionLog. Scans inside a
trip context bump trip_stop.total_scans + emit qr_scanned timeline event.
Bulk scan endpoint processes each scan independently for offline sync.
Triggers QrBalanceLow when household active count drops below threshold.

155 feature tests passing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-30 02:53:25 +08:00

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