Remove obsolete Livewire fuel search components and consolidate pricing tiers

- Delete unused Livewire Search test and fuel type select Blade component
- Move subscription webhook listener from EventServiceProvider to AppServiceProvider
- Add FUEL_TYPES global config to app layout for client-side use
- Add Billable trait to User model and include email_verified_at in fillable
- Implement monthly/annual cadence toggle with pricing display and smart CTA routing on homepage
- Update VerifyApiKeyMiddlewareTest to use e10 instead of petrol
- Refactor PollFuelPrices to auto-refresh stale stations based on last_seen_at
- Add incremental polling with cached timestamp and effective-start-timestamp param to FuelPriceService
- Normalize amenities/fuel_types from API objects to flat arrays, skip stations missing required fields
- Log response body on API failures in ApiLogger
- Default homepage sort to 'reliable' instead of 'price'

tests/Unit/Enums/FuelTypeTest.php

@@ -2,27 +2,22 @@
 
 use App\Enums\FuelType;
 
-it('resolves diesel alias to B7Standard', function () {
-    expect(FuelType::fromAlias('diesel'))->toBe(FuelType::B7Standard);
+it('maps UK API uppercase values to the canonical lowercase enum', function () {
+    expect(FuelType::fromApiValue('E10'))->toBe(FuelType::E10)
+        ->and(FuelType::fromApiValue('B7_STANDARD'))->toBe(FuelType::B7Standard)
+        ->and(FuelType::fromApiValue('HVO'))->toBe(FuelType::Hvo);
 });
 
-it('resolves petrol alias to E10', function () {
-    expect(FuelType::fromAlias('petrol'))->toBe(FuelType::E10);
+it('accepts already-lowercase values', function () {
+    expect(FuelType::fromApiValue('e5'))->toBe(FuelType::E5);
 });
 
-it('resolves unleaded alias to E10', function () {
-    expect(FuelType::fromAlias('unleaded'))->toBe(FuelType::E10);
+it('exposes a human label for each case', function () {
+    expect(FuelType::E10->label())->toBe('Petrol (E10)')
+        ->and(FuelType::B7Standard->label())->toBe('Diesel (B7)')
+        ->and(FuelType::Hvo->label())->toBe('HVO');
 });
 
-it('resolves premium_unleaded alias to E5', function () {
-    expect(FuelType::fromAlias('premium_unleaded'))->toBe(FuelType::E5);
-});
-
-it('accepts canonical enum values as aliases', function () {
-    expect(FuelType::fromAlias('e10'))->toBe(FuelType::E10);
-    expect(FuelType::fromAlias('b7_standard'))->toBe(FuelType::B7Standard);
-});
-
-it('throws ValueError for unknown alias', function () {
-    FuelType::fromAlias('avgas');
+it('throws ValueError for unknown fuel types', function () {
+    FuelType::fromApiValue('avgas');
 })->throws(ValueError::class);