feat(world): add persistent citizen simulation with needs, jobs, and social features

- Adds Character model with survival needs (hunger, thirst, energy) and state machine
- Implements city:tick world ticker for offline progression every minute
- Adds city territory expansion and building construction system
- Introduces job economy, inventory, and transaction audit trail
- Adds social graph (friends, marriage, children) and character chat
- Implements admin approval workflow for new registrations
- Adds hospital admission system for traffic accidents
- Includes comprehensive feature tests and world seeders

tests/Feature/CityWorldSeedingTest.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Character;
+use App\Models\City;
+use App\Models\User;
+use Database\Seeders\CityWorldSeeder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+/**
+ * World schema and seeding coverage.
+ */
+class CityWorldSeedingTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /**
+     * Seeder creates City10, jobs and a character for active users.
+     */
+    public function test_seeder_bootstraps_city_jobs_and_characters(): void
+    {
+        $this->seed(CityWorldSeeder::class);
+
+        $city = City::query()->where('slug', 'city10')->first();
+        $this->assertNotNull($city);
+        $this->assertTrue($city->is_active);
+        $this->assertSame(4, $city->jobs()->count());
+
+        $user = User::factory()->create(['status' => User::STATUS_ACTIVE, 'is_active' => true]);
+        $this->seed(CityWorldSeeder::class);
+
+        $this->assertNotNull(Character::query()->where('user_id', $user->id)->first());
+    }
+
+    /**
+     * Migration backfills legacy is_active flags onto status.
+     */
+    public function test_status_backfill_matches_is_active(): void
+    {
+        $this->seed(CityWorldSeeder::class);
+
+        $active = User::where('is_active', true)->where('status', '!=', User::STATUS_ACTIVE)->count();
+        $this->assertSame(0, $active);
+    }
+}