vjrj cb5f55e146 feat(block2): geohash encoder in commons_core (for 'use my location') ... Pure Dart lat/lon -> low-precision geohash (public-domain algorithm), the piece the coarse-area capture needs so people never type a code. Precision-controlled (5 chars ~ ±2.4 km). Tested against the canonical u4pruydqqvj vector + prefix/ proximity properties. 5 tests green.		2026-07-10 03:18:30 +02:00
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src	feat(block2): geohash encoder in commons_core (for 'use my location')	2026-07-10 03:18:30 +02:00
commons_core.dart	feat(block2): geohash encoder in commons_core (for 'use my location')	2026-07-10 03:18:30 +02:00