feat: extract fuel.recommendation Livewire component

tests/Feature/Livewire/Fuel/RecommendationTest.php

@@ -0,0 +1,52 @@
+<?php
+
+use App\Livewire\Public\Fuel\Recommendation;
+use Livewire\Livewire;
+
+it('renders nothing before stations-found fires', function () {
+    Livewire::test(Recommendation::class)
+        ->assertStatus(200)
+        ->assertSet('prediction', null)
+        ->assertDontSee('Recommendation');
+});
+
+it('shows recommendation card when stations-found includes a prediction', function () {
+    $prediction = [
+        'action' => 'fill_now',
+        'confidence_score' => 80.0,
+        'confidence_label' => 'high',
+        'reasoning' => 'Prices are rising sharply.',
+        'predicted_direction' => 'up',
+        'predicted_change_pence' => 3.5,
+    ];
+
+    Livewire::test(Recommendation::class)
+        ->dispatch('stations-found', results: [], meta: [], prediction: $prediction, radius: 5)
+        ->assertSet('prediction', $prediction)
+        ->assertSee('Recommendation')
+        ->assertSee('Fill up now');
+});
+
+it('shows nothing when stations-found has null prediction', function () {
+    Livewire::test(Recommendation::class)
+        ->dispatch('stations-found', results: [], meta: [], prediction: null, radius: 5)
+        ->assertSet('prediction', null)
+        ->assertDontSee('Recommendation');
+});
+
+it('clears previous prediction when new stations-found fires with null prediction', function () {
+    $prediction = [
+        'action' => 'fill_now',
+        'confidence_score' => 80.0,
+        'confidence_label' => 'high',
+        'reasoning' => 'Prices rising.',
+        'predicted_direction' => 'up',
+        'predicted_change_pence' => 3.5,
+    ];
+
+    Livewire::test(Recommendation::class)
+        ->dispatch('stations-found', results: [], meta: [], prediction: $prediction, radius: 5)
+        ->assertSee('Recommendation')
+        ->dispatch('stations-found', results: [], meta: [], prediction: null, radius: 5)
+        ->assertDontSee('Recommendation');
+});