[M] fix SNS login and JSON syntax errors

- Fix extra closing brace in JSON error callbacks (SDKManager.java)
- Enable SNS type return from UnityLoginBySnsInfo for proper account channel tracking
- Update LoginBySns to use returned SNS type for linked account management
- Re-enable editor mode login for testing

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

sdk-intergration/Packages/tysdk/Runtime/UnityBridgeFunc.cs

@@ -18,7 +18,7 @@ namespace tysdk
         //登录
         public static void UnityLoginByTokenFun(string token){}
 
-        public static void UnityLoginBySnsInfoFun() { }
+        public static string UnityLoginBySnsInfoFun() => null;
 
         public static void UnityLogin(EAccoutType accoutType){}
         public static void LinkAccount(EAccoutType accoutType){}
@@ -58,6 +58,7 @@ namespace tysdk
         public static void FBShareLink(string title, string content, string url) { }
         public static void MessengerShareLink(string title, string content, string url) { }
         
+        
 
 #elif UNITY_ANDROID
 
@@ -92,11 +93,11 @@ namespace tysdk
             }
         }
 
-        public static void UnityLoginBySnsInfoFun()
+        public static String UnityLoginBySnsInfoFun()
         {
             using(var sdkManager = new AndroidJavaClass(SDK_CLASS))
             {
-                sdkManager.CallStatic("UnityLoginBySnsInfo");
+                return sdkManager.CallStatic<string>("UnityLoginBySnsInfo");
             }
         }