Rename SearchBar to PostSearchFilters, add sort controls and brand filter, relocate station count display

- Move SearchBar.vue to PostSearchFilters.vue and expand to include sort buttons, brand filter dropdown, and station count
- Integrate sort controls (Reliable/Price/Distance/Updated) with icons into filter bar
- Add brand filter dropdown with dynamic brand list from parent, emit update events
- Move station count from StationList to PostSearchFilters, display as "X station(s) found"
- Remove sort tabs and brand filter from StationList component
- Add force-new-line div for mobile layout between Refine and Sort groups
- Include brand filter in hasActive check and resetFilters function
- Update Home.vue to pass brands/brandFilter props and handle brandFilter updates
- Add reset() method to useStations composable to clear state on empty query
- Clear search state when route query is empty instead of attempting search
- Update Fuel Finder API base URL to include /api/v1 path
- Adjust map zoom levels for 10-15 mile radius range
- Update API token request to use retry and increase timeout to 60s

.claude/rules/api-data.md

@@ -80,7 +80,7 @@ for that `(station_id, fuel_type)` combination. Avoids row explosion on unchange
 ```
 FUEL_FINDER_CLIENT_ID=
 FUEL_FINDER_CLIENT_SECRET=
-FUEL_FINDER_BASE_URL=https://api.fuel-finder.service.gov.uk
+FUEL_FINDER_BASE_URL=https://www.fuel-finder.service.gov.uk/api/v1
 ```
 
 ## Postcodes.io — location resolution