Extends NearbyStationsRequest to accept `postcode` (full or outcode) as an alternative to lat/lng. PostcodeService resolves it via postcodes.io and falls through to coordinates. Also adds SearchResource to the Filament admin panel for viewing logged search activity with fuel type filter and price/distance stats columns. Includes SQLite GREATEST/LEAST function polyfills in AppServiceProvider for test compatibility.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Implements PredictionRequest (fuel_type validation with ValueError→ValidationException), PredictionController delegating to NationalFuelPredictionService, and 5 feature tests. Also fixes LEAST() MySQL-only function to a CASE WHEN expression for SQLite test compatibility.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Four-stat overview widget (users, stations, oil prediction, API errors)
with 30s polling registered on the admin panel dashboard.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Runs is_admin migration, adds AdminSeeder for the admin user, registers
it in DatabaseSeeder, adds admin() factory state to UserFactory, and
adds AdminAccessTest covering both forbidden and ok cases.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
