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

app/Filament/Resources/Plans/Tables/PlansTable.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Filament\Resources\Plans\Tables;
+
+use Filament\Actions\EditAction;
+use Filament\Tables\Columns\IconColumn;
+use Filament\Tables\Columns\TextColumn;
+use Filament\Tables\Table;
+
+class PlansTable
+{
+    public static function configure(Table $table): Table
+    {
+        return $table
+            ->columns([
+                TextColumn::make('name')
+                    ->label('Tier')
+                    ->badge()
+                    ->sortable(),
+                TextColumn::make('features.email.frequency')
+                    ->label('Email')
+                    ->placeholder('—'),
+                TextColumn::make('features.sms.daily_limit')
+                    ->label('SMS/day')
+                    ->placeholder('—'),
+                TextColumn::make('features.whatsapp.daily_limit')
+                    ->label('WhatsApp/day')
+                    ->placeholder('—'),
+                TextColumn::make('features.fuel_types.max')
+                    ->label('Fuel types')
+                    ->placeholder('Unlimited'),
+                IconColumn::make('active')
+                    ->boolean(),
+            ])
+            ->defaultSort('id', 'asc')
+            ->recordActions([
+                EditAction::make(),
+            ]);
+    }
+}