feat(player, i18n): add error code mappings and back to main site button

1. 新增8001-8005业务错误码的国际化翻译与映射
2. 增加返回主站按钮，根据环境变量显示
3. 重构错误码匹配逻辑，复用常量对象

src/i18n/locales/en/entry.json

@@ -37,7 +37,8 @@
       "check": "Check",
       "reason": "Reason"
     },
-    "reenter": "Re-enter"
+    "reenter": "Re-enter",
+    "backToMainSite": "Back to main site"
   },
   "success": {
     "title": "Authorization successful!",
@@ -60,6 +61,11 @@
     "tryLater": "Please try again later",
     "http401": "Token is invalid or expired",
     "http403": "Account has been blocked",
-    "http404": "Account not found in the system"
+    "http404": "Account not found in the system",
+    "player8001": "Missing or invalid Authorization",
+    "player8002": "Token invalid, expired, malformed, or exceeding the allowed time window (e.g. >5 min)",
+    "player8003": "Player not registered (dev token only)",
+    "player8004": "SSO not configured on lottery server",
+    "player8005": "Account suspended or unavailable"
   }
 }