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

app/Http/Controllers/Web/CharacterCustomizeController.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Http\Controllers\Web;
+
+use App\Http\Controllers\Controller;
+use App\Models\Character;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+/**
+ * Character appearance customization.
+ */
+class CharacterCustomizeController extends Controller
+{
+    /**
+     * Show current appearance slots.
+     */
+    public function show(Request $request): JsonResponse
+    {
+        $me = Character::ensureForUser($request->user());
+
+        return response()->json([
+            'name' => $me->name,
+            'skin' => (int) $me->skin,
+            'hair' => (int) $me->hair,
+            'shirt' => (int) $me->shirt,
+            'face' => (int) $me->face,
+            'beard' => (int) $me->beard,
+            'accessory' => (int) $me->accessory,
+        ]);
+    }
+
+    /**
+     * Persist appearance choices (1-based slots within safe ranges).
+     */
+    public function update(Request $request): JsonResponse
+    {
+        $me = Character::ensureForUser($request->user());
+        $data = $request->validate([
+            'skin' => ['required', 'integer', 'min:1', 'max:4'],
+            'hair' => ['required', 'integer', 'min:1', 'max:4'],
+            'shirt' => ['required', 'integer', 'min:1', 'max:5'],
+            'face' => ['required', 'integer', 'min:1', 'max:3'],
+            'beard' => ['required', 'integer', 'min:0', 'max:2'],
+            'accessory' => ['required', 'integer', 'min:0', 'max:2'],
+        ]);
+
+        $me->forceFill($data)->save();
+
+        return response()->json([
+            'message' => __('city.customize_saved'),
+            'appearance' => $data,
+        ]);
+    }
+}