trucks (with optional last_known_coordinates POINT 4326),
collection_teams, team_members. Admin CRUD for both. TeamConflictDetector
flags double-assignment of driver/scanner/truck/helper across active
teams; override_conflicts: true bypasses for emergencies. Promotes
routes.default_team_id to a real FK now that collection_teams exists.
144 feature tests passing.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
