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

lang/pt_BR.json

@@ -217,5 +217,32 @@
     "city.exercise_max_health": "Saúde já está no máximo!",
     "city.exerciseStart": "Começando a se exercitar…",
     "city.exerciseStop": "Exercício encerrado.",
-    "city.ped_red": "Semáforo de pedestre vermelho — aguarde o sinal verde."
+    "city.ped_red": "Semáforo de pedestre vermelho — aguarde o sinal verde.",
+    "nav.world": "Mundo",
+    "admin.world.title": "Painel do mundo",
+    "admin.world.hint": "Métricas ao vivo da plataforma persistente.",
+    "admin.world.users": "Usuários",
+    "admin.world.characters": "Personagens",
+    "admin.world.economy": "Economia",
+    "admin.world.trade_volume": "Volume de trocas",
+    "admin.world.world": "Casas prontas",
+    "admin.world.market": "Mercado",
+    "admin.world.missions": "Missões",
+    "admin.world.health": "Saúde média",
+    "admin.world.education": "Educação média",
+    "city.customize_saved": "Aparência atualizada.",
+    "city.market_listed": "Anúncio publicado no mercado.",
+    "city.market_bought": "Compra realizada!",
+    "city.market_unavailable": "Anúncio indisponível.",
+    "city.ride_need_stop": "Aproxime-se de uma via (ônibus) ou dos trilhos (trem).",
+    "city.ride_bus_ok": "Você embarcou no ônibus!",
+    "city.ride_train_ok": "Você embarcou no trem!",
+    "city.missions_done": "Missão concluída",
+    "city.act_market": "Mercado",
+    "city.act_customize": "Aparência",
+    "city.act_ride_bus": "Ônibus",
+    "city.act_ride_train": "Trem",
+    "city.hud_minimap": "Mapa",
+    "city.online_now": "online",
+    "city.marketBuy": "Comprar"
 }