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'

resources/js/components/SearchBar.vue

@@ -41,12 +41,9 @@
                 aria-label="Fuel type"
                 class="min-w-0 h-10 px-2 bg-white border border-zinc-300 rounded-xl text-sm font-medium text-zinc-700 focus:outline-none focus:ring-2 focus:ring-accent truncate"
             >
-                <option value="e10">Petrol (E10)</option>
-                <option value="e5">Premium (E5)</option>
-                <option value="b7_standard">Diesel (B7)</option>
-                <option value="b7_premium">Prem Diesel</option>
-                <option value="b10">Diesel (B10)</option>
-                <option value="hvo">HVO</option>
+                <option v-for="fuel in FUEL_TYPES" :key="fuel.value" :value="fuel.value">
+                    {{ fuel.label }}
+                </option>
             </select>
             <select
                 v-model="radius"
@@ -63,11 +60,11 @@
                 aria-label="Sort by"
                 class="min-w-0 h-10 px-2 bg-white border border-zinc-300 rounded-xl text-sm font-medium text-zinc-700 focus:outline-none focus:ring-2 focus:ring-accent"
             >
+                <option value="reliable">Reliable</option>
                 <option value="price">Price</option>
                 <option value="distance">Distance</option>
                 <option value="updated">Updated</option>
                 <option value="brand">Brand</option>
-                <option value="reliable">Reliable</option>
             </select>
         </div>
     </div>
@@ -75,13 +72,14 @@
 
 <script setup>
 import { ref } from 'vue'
+import { FUEL_TYPES } from '../constants/fuelTypes.js'
 
 const emit = defineEmits(['search'])
 
 const postcode = ref('')
 const fuelType = ref('e10')
 const radius = ref(10)
-const sort = ref('price')
+const sort = ref('reliable')
 const locating = ref(false)
 
 function useMyLocation() {