Add subscription tiers, notification preferences, and logging infrastructure

- Add database migrations for plans, subscriptions, notification preferences, and notification log tables
- Implement DispatchUserNotificationJob to handle channel resolution, daily limits, and logging (sent/tier_restricted/daily_limit)
- Add SendScheduledWhatsAppJob for scheduled notification delivery
- Create PlanFeatures service to resolve tier capabilities, check daily limits, and validate fuel

database/factories/PlanFactory.php

@@ -0,0 +1,97 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Enums\PlanTier;
+use App\Models\Plan;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<Plan>
+ */
+class PlanFactory extends Factory
+{
+    private static array $defaultFeatures = [
+        'fuel_types' => ['max' => 1],
+        'email' => ['enabled' => false, 'frequency' => 'weekly_digest'],
+        'push' => ['enabled' => false],
+        'whatsapp' => ['enabled' => false, 'daily_limit' => 0, 'scheduled_updates' => 0],
+        'sms' => ['enabled' => false, 'daily_limit' => 0],
+        'ai_predictions' => false,
+        'price_threshold' => false,
+        'score_alerts' => false,
+    ];
+
+    public function definition(): array
+    {
+        return [
+            'name' => PlanTier::Free->value,
+            'stripe_price_id' => null,
+            'features' => self::$defaultFeatures,
+            'active' => true,
+        ];
+    }
+
+    public function free(): static
+    {
+        return $this->state(fn () => [
+            'name' => PlanTier::Free->value,
+            'stripe_price_id' => null,
+            'features' => self::$defaultFeatures,
+        ]);
+    }
+
+    public function basic(): static
+    {
+        return $this->state(fn () => [
+            'name' => PlanTier::Basic->value,
+            'stripe_price_id' => 'price_basic_test',
+            'features' => [
+                'fuel_types' => ['max' => 1],
+                'email' => ['enabled' => true, 'frequency' => 'daily'],
+                'push' => ['enabled' => true],
+                'whatsapp' => ['enabled' => true, 'daily_limit' => 5, 'scheduled_updates' => 2],
+                'sms' => ['enabled' => false, 'daily_limit' => 0],
+                'ai_predictions' => false,
+                'price_threshold' => true,
+                'score_alerts' => true,
+            ],
+        ]);
+    }
+
+    public function plus(): static
+    {
+        return $this->state(fn () => [
+            'name' => PlanTier::Plus->value,
+            'stripe_price_id' => 'price_plus_test',
+            'features' => [
+                'fuel_types' => ['max' => 1],
+                'email' => ['enabled' => true, 'frequency' => 'triggered'],
+                'push' => ['enabled' => true],
+                'whatsapp' => ['enabled' => true, 'daily_limit' => 5, 'scheduled_updates' => 2],
+                'sms' => ['enabled' => true, 'daily_limit' => 1],
+                'ai_predictions' => true,
+                'price_threshold' => true,
+                'score_alerts' => true,
+            ],
+        ]);
+    }
+
+    public function pro(): static
+    {
+        return $this->state(fn () => [
+            'name' => PlanTier::Pro->value,
+            'stripe_price_id' => 'price_pro_test',
+            'features' => [
+                'fuel_types' => ['max' => null],
+                'email' => ['enabled' => true, 'frequency' => 'triggered'],
+                'push' => ['enabled' => true],
+                'whatsapp' => ['enabled' => true, 'daily_limit' => 5, 'scheduled_updates' => 2],
+                'sms' => ['enabled' => true, 'daily_limit' => 3],
+                'ai_predictions' => true,
+                'price_threshold' => true,
+                'score_alerts' => true,
+            ],
+        ]);
+    }
+}