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/migrations/2026_10_18_003000_create_market_listings_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * Player-to-player marketplace listings.
+ *
+ * A character lists inventory items for a fixed price; buyers purchase
+ * through the city market endpoint with an atomic money transfer.
+ */
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('market_listings', function (Blueprint $table): void {
+            $table->id();
+            $table->foreignId('seller_character_id')->constrained('characters')->cascadeOnDelete();
+            $table->foreignId('city_id')->constrained('cities')->cascadeOnDelete();
+            $table->string('item', 40);
+            $table->unsignedInteger('qty')->default(1);
+            $table->decimal('unit_price', 10, 2);
+            $table->boolean('is_active')->default(true)->index();
+            $table->timestamps();
+
+            $table->index(['city_id', 'is_active']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('market_listings');
+    }
+};

database/migrations/2026_10_18_003100_create_missions_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * Lightweight citizen missions (daily journal goals).
+ *
+ * Tracks progress per character and pays a money reward on completion.
+ */
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('missions', function (Blueprint $table): void {
+            $table->id();
+            $table->foreignId('city_id')->constrained('cities')->cascadeOnDelete();
+            $table->string('code', 60)->unique();
+            $table->string('title', 160);
+            $table->string('description', 400);
+            $table->string('metric', 40); // exercise_count|buildings|transactions|education
+            $table->unsignedInteger('target')->default(1);
+            $table->decimal('reward', 10, 2)->default(20);
+            $table->boolean('is_active')->default(true)->index();
+            $table->timestamps();
+        });
+
+        Schema::create('character_missions', function (Blueprint $table): void {
+            $table->id();
+            $table->foreignId('character_id')->constrained('characters')->cascadeOnDelete();
+            $table->foreignId('mission_id')->constrained('missions')->cascadeOnDelete();
+            $table->unsignedInteger('progress')->default(0);
+            $table->boolean('is_completed')->default(false)->index();
+            $table->timestamp('completed_at')->nullable();
+            $table->timestamps();
+
+            $table->unique(['character_id', 'mission_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('character_missions');
+        Schema::dropIfExists('missions');
+    }
+};

database/migrations/2026_10_18_003200_add_cosmetics_and_ride_to_characters_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * Adds cosmetic slots and ride state to characters.
+ *
+ * face/beard/accessory drive the 3D look; ride_kind/ride_until power
+ * temporary bus/train boarding.
+ */
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('characters', function (Blueprint $table): void {
+            $table->unsignedTinyInteger('face')->default(1)->after('shirt');
+            $table->unsignedTinyInteger('beard')->default(0)->after('face');
+            $table->unsignedTinyInteger('accessory')->default(0)->after('beard');
+            $table->string('ride_kind', 20)->nullable()->after('state');
+            $table->timestamp('ride_until')->nullable()->after('ride_kind');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('characters', function (Blueprint $table): void {
+            $table->dropColumn(['face', 'beard', 'accessory', 'ride_kind', 'ride_until']);
+        });
+    }
+};