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/migrations/2026_04_14_105915_create_notification_log_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('notification_log', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->string('channel')->comment('email | push | whatsapp | sms');
+            $table->string('trigger_type')->comment('price_threshold | score_change | scheduled_morning | scheduled_evening');
+            $table->string('fuel_type');
+            $table->decimal('price', 8, 3)->nullable();
+            $table->boolean('sent');
+            $table->string('missed_reason')->nullable()->comment('daily_limit | tier_restricted | user_disabled');
+            $table->timestamp('created_at')->useCurrent();
+
+            $table->index(['user_id', 'channel', 'created_at']);
+            $table->index(['user_id', 'sent', 'created_at']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('notification_log');
+    }
+};

database/migrations/2026_04_14_105915_create_plans_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('plans', function (Blueprint $table) {
+            $table->id();
+            $table->string('name')->unique()->comment('free | basic | plus | pro');
+            $table->string('stripe_price_id')->nullable()->comment('Maps Cashier price ID to this plan');
+            $table->json('features');
+            $table->boolean('active')->default(true);
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('plans');
+    }
+};

database/migrations/2026_04_14_105915_create_user_notification_preferences_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('user_notification_preferences', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->string('channel')->comment('email | push | whatsapp | sms');
+            $table->string('fuel_type')->comment('e10 | e5 | b7_standard | b7_premium | b10 | hvo');
+            $table->boolean('enabled')->default(true);
+            $table->timestamps();
+
+            $table->unique(['user_id', 'channel', 'fuel_type']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('user_notification_preferences');
+    }
+};

database/migrations/2026_04_14_110300_create_customer_columns.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->string('stripe_id')->nullable()->index();
+            $table->string('pm_type')->nullable();
+            $table->string('pm_last_four', 4)->nullable();
+            $table->timestamp('trial_ends_at')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->dropIndex([
+                'stripe_id',
+            ]);
+
+            $table->dropColumn([
+                'stripe_id',
+                'pm_type',
+                'pm_last_four',
+                'trial_ends_at',
+            ]);
+        });
+    }
+};

database/migrations/2026_04_14_110301_create_subscriptions_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('subscriptions', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id');
+            $table->string('type');
+            $table->string('stripe_id')->unique();
+            $table->string('stripe_status');
+            $table->string('stripe_price')->nullable();
+            $table->integer('quantity')->nullable();
+            $table->timestamp('trial_ends_at')->nullable();
+            $table->timestamp('ends_at')->nullable();
+            $table->timestamps();
+
+            $table->index(['user_id', 'stripe_status']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('subscriptions');
+    }
+};

database/migrations/2026_04_14_110302_create_subscription_items_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('subscription_items', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('subscription_id');
+            $table->string('stripe_id')->unique();
+            $table->string('stripe_product');
+            $table->string('stripe_price');
+            $table->integer('quantity')->nullable();
+            $table->timestamps();
+
+            $table->index(['subscription_id', 'stripe_price']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('subscription_items');
+    }
+};

database/migrations/2026_04_14_110303_add_meter_id_to_subscription_items_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('subscription_items', function (Blueprint $table) {
+            $table->string('meter_id')->nullable()->after('stripe_price');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('subscription_items', function (Blueprint $table) {
+            $table->dropColumn('meter_id');
+        });
+    }
+};

database/migrations/2026_04_14_110304_add_meter_event_name_to_subscription_items_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('subscription_items', function (Blueprint $table) {
+            $table->string('meter_event_name')->nullable()->after('quantity');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('subscription_items', function (Blueprint $table) {
+            $table->dropColumn('meter_event_name');
+        });
+    }
+};