feat(遊戲化): 新增大廳、附身、時間流、後日談進度等遊戲化系統功能

新增角色大廳（lobby）邀約與通話、附身（possession）、時鐘（clock）抽象、
時間流與睡眠負債、後日談進度、行為選擇與旁觀反應等模組，並補齊對應冒煙
測試（R~V）與單元測試；同步調整 web/mobile 對應頁面與元件。

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

apps/mobile/package.json

@@ -5,6 +5,8 @@
   "dependencies": {
     "@expo/metro-runtime": "~57.0.9",
     "@kokorone/shared": "workspace:*",
+    "@react-native-async-storage/async-storage": "^2.2.0",
+    "@shopify/react-native-skia": "^2.11.0",
     "expo": "~57.0.12",
     "expo-constants": "~57.0.10",
     "expo-device": "~57.0.1",
@@ -17,6 +19,7 @@
     "react-native": "0.86.2",
     "react-native-safe-area-context": "~5.7.0",
     "react-native-screens": "~4.26.0",
+    "react-native-svg": "^15.15.5",
     "react-native-web": "^0.21.2"
   },
   "devDependencies": {