- Remove selectedWeightProvider — weight input is now the driver's
responsibility via the Update Truck Load feature
- Hardcode weightKg: 3 as neutral placeholder in scan API call
- _QuickSelectors now shows only waste type chips (Mixed / Biodegradable /
Recyclable) — one less decision for the field scanner
Also fixes pre-existing compile errors:
- RouteMapWidget: add missing truckLng constructor param
- driver_models.dart Trip: add missing truck constructor param
- helper_trip_detail_screen: reconstruct broken RouteMapWidget call
- home_screen: fix unclosed _DetourFeedbackHandler paren + orphaned braces