feat：增加多角色在线功能

- 增加远程登录角色精灵
- 基于后端接口完成位置同步
- 实现多人在线以及跳转
- 增加个人房间功能

_Core/managers/AuthManager.gd

@@ -29,7 +29,7 @@ extends RefCounted
 # ============ 信号定义 ============
 
 # 登录成功信号
-signal login_success(username: String)
+signal login_success(username: String, token: String)
 
 # 登录失败信号
 signal login_failed(message: String)
@@ -80,6 +80,9 @@ var current_email: String = ""
 # 网络请求管理
 var active_request_ids: Array = []
 
+# 当前登录用户ID (静态变量，全局访问)
+static var current_user_id: String = ""
+
 # ============ 生命周期方法 ============
 
 # 初始化管理器
@@ -431,12 +434,20 @@ func _on_login_response(success: bool, data: Dictionary, error_info: Dictionary)
 	
 	if result.success:
 		var username = ""
-		if data.has("data") and data.data.has("user") and data.data.user.has("username"):
-			username = data.data.user.username
+		if data.has("data") and data.data.has("user"):
+			var user_data = data.data.user
+			if user_data.has("username"):
+				username = user_data.username
+			if user_data.has("id"):
+				current_user_id = user_data.id
+				print("AuthManager: Current User ID set to ", current_user_id)
 		
 		# 延迟发送登录成功信号
 		await Engine.get_main_loop().create_timer(1.0).timeout
-		login_success.emit(username)
+		var token = ""
+		if data.has("data") and data.data.has("access_token"):
+			token = data.data.access_token
+		login_success.emit(username, token)
 	else:
 		login_failed.emit(result.message)
 
@@ -451,11 +462,16 @@ func _on_verification_login_response(success: bool, data: Dictionary, error_info
 	
 	if result.success:
 		var username = ""
-		if data.has("data") and data.data.has("user") and data.data.user.has("username"):
-			username = data.data.user.username
+		if data.has("data") and data.data.has("user"):
+			var user_data = data.data.user
+			if user_data.has("username"):
+				username = user_data.username
+			if user_data.has("id"):
+				current_user_id = user_data.id
+				print("AuthManager: Current User ID set to ", current_user_id)
 		
 		await Engine.get_main_loop().create_timer(1.0).timeout
-		login_success.emit(username)
+		login_success.emit(username, data.get("access_token", ""))
 	else:
 		login_failed.emit(result.message)