Previously assets never had coordinates populated - only checkins did.
Now when a checkin is created with GPS data, the asset's latitude/longitude
fields are auto-updated. Also backfilled existing assets from their latest
checkin history. This fixes empty maps — loadAssetPins() filters by
a.latitude != null.
- OCR: Extract only last 5 digits from Connect ID (XXXXX-XXXXXX → last 5)
- Barcode: Switch to decodeFromVideoDevice with 1D-only format hints
(Code 128/39/EAN/UPC/ITF/Codabar), TRY_HARDER, 50ms scan interval
- Auto check-in: New assets auto-checkin with GPS on creation via
all three entry modes (barcode, OCR, manual)
- Tests: Updated e2e tests for login wait and API flow
shawn