feat(city): add player marketplace, mission journal, character customization and presence

- Player-to-player marketplace with listings, buying and selling
- Mission system with progress tracking and money rewards
- Character appearance customization (skin, hair, face, beard, accessory)
- Multiplayer presence feed showing nearby citizens in near-real-time
- Admin world dashboard with live platform metrics
- Bus and train transportation with temporary ride state
- Mobile joystick controls and minimap HUD
- Education bonus applied to work salary

database/seeders/CityWorldSeeder.php

@@ -6,6 +6,7 @@ use App\Models\Building;
 use App\Models\Character;
 use App\Models\City;
 use App\Models\Job;
+use App\Models\Mission;
 use App\Models\Store;
 use App\Models\User;
 use Illuminate\Database\Seeder;
@@ -75,6 +76,73 @@ class CityWorldSeeder extends Seeder
             ],
         );
 
+        // Civic buildings: school and city hall.
+        Building::updateOrCreate(
+            ['city_id' => $city->id, 'type' => 'school'],
+            [
+                'owner_character_id' => null,
+                'name' => 'Escola Municipal',
+                'pos_x' => -20,
+                'pos_z' => 60,
+                'width' => 16,
+                'depth' => 12,
+                'height' => 7,
+                'is_complete' => true,
+                'build_progress' => 100,
+            ],
+        );
+        Building::updateOrCreate(
+            ['city_id' => $city->id, 'type' => 'city_hall'],
+            [
+                'owner_character_id' => null,
+                'name' => 'Prefeitura',
+                'pos_x' => 20,
+                'pos_z' => 60,
+                'width' => 18,
+                'depth' => 14,
+                'height' => 10,
+                'is_complete' => true,
+                'build_progress' => 100,
+            ],
+        );
+
+        Mission::updateOrCreate(
+            ['code' => 'exercise-5'],
+            [
+                'city_id' => $city->id,
+                'title' => 'Shape em dia',
+                'description' => 'Complete 5 séries de ginástica nas praças.',
+                'metric' => 'exercise_count',
+                'target' => 5,
+                'reward' => 25,
+                'is_active' => true,
+            ],
+        );
+        Mission::updateOrCreate(
+            ['code' => 'build-home'],
+            [
+                'city_id' => $city->id,
+                'title' => 'Lar doce lar',
+                'description' => 'Construa a sua primeira casa.',
+                'metric' => 'buildings',
+                'target' => 1,
+                'reward' => 50,
+                'is_active' => true,
+            ],
+        );
+        Mission::updateOrCreate(
+            ['code' => 'learn-20'],
+            [
+                'city_id' => $city->id,
+                'title' => 'Estudioso',
+                'description' => 'Alcance 20% de educação.',
+                'metric' => 'education',
+                'target' => 20,
+                'reward' => 30,
+                'is_active' => true,
+            ],
+        );
+
         User::query()->where('is_active', true)->where('status', '!=', User::STATUS_ACTIVE)
             ->update(['status' => User::STATUS_ACTIVE]);
         User::query()->where('is_active', false)->where('status', User::STATUS_PENDING)