- Support geolocation search (lat/lng) as alternative to postcode with automatic fallback
- Redesign StationCard with expanded layout showing address, distance in miles, reliability status, directions link, and optional remove button
- Add directions integration with Google Maps including origin parameter support
- Persist search parameters (postcode/coords, fuel type, radius, sort) in URL query and hydrate on mount
- Implement compact map markers with inline directions link and click-to-zoom behavior
- Auto-trigger search when filters change (fuel type, radius, sort) if search already performed
- Add removable prop to StationCard for watchlist integration
- Display reliability status (Current/Stale/Outdated) with color-coded pricing
- Remove 2-mile radius option from search filters