Phase 0 test kit

Five short experiments that decide whether the architecture holds before any product code gets written. Run them on real phones, on the real server.

This device

Name it so results are easy to tell apart

Stack check

Tests

Map load 5,000 clustered pins with thumbnails, scripted camera tour, frame times.
Sync open on two phones, one per test account: edits, presence, revert, offline catch-up.
Self-hosting on the server: bin/backup full, then bin/restore on a fresh machine (see README).
Photo pipeline HEIC from an iPhone, EXIF, resumable uploads on a throttled connection.
Geocoding about 50 real searches through the MapTiler EU proxy.