chore(ios): 添加LoginView并修复TokenStore类型与线程调度问题

- 在Xcode项目中添加LoginView.swift文件引用
- 修复TokenStore中Keychain查询字典类型为CFString
- 将DispatchQueue.main.async替换为MainActor.run，避免弱引用丢失
- 修复绑定设备信息时的线程安全与变量命名

webrtc_controller_ios/web_rtc_controller_ios.xcodeproj/project.pbxproj

@@ -28,6 +28,7 @@
 		FB0000000000000000000012 /* VideoRecorder.swift in Sources */ = {isa = PBXBuildFile; fileRef = FA0000000000000000000012 /* VideoRecorder.swift */; };
 		FB0000000000000000000013 /* SetupPanelView.swift in Sources */ = {isa = PBXBuildFile; fileRef = FA0000000000000000000013 /* SetupPanelView.swift */; };
 		FB0000000000000000000014 /* ControlPanelView.swift in Sources */ = {isa = PBXBuildFile; fileRef = FA0000000000000000000014 /* ControlPanelView.swift */; };
+		FB0000000000000000000017 /* LoginView.swift in Sources */ = {isa = PBXBuildFile; fileRef = FA0000000000000000000017 /* LoginView.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -53,6 +54,7 @@
 		FA0000000000000000000012 /* VideoRecorder.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VideoRecorder.swift; sourceTree = "<group>"; };
 		FA0000000000000000000013 /* SetupPanelView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SetupPanelView.swift; sourceTree = "<group>"; };
 		FA0000000000000000000014 /* ControlPanelView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ControlPanelView.swift; sourceTree = "<group>"; };
+		FA0000000000000000000017 /* LoginView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoginView.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -145,6 +147,7 @@
 				FA0000000000000000000008 /* RemoteTouchView.swift */,
 				FA0000000000000000000009 /* RemoteVideoView.swift */,
 				FA000000000000000000000A /* SelfCodecDisplayView.swift */,
+				FA0000000000000000000017 /* LoginView.swift */,
 			);
 			path = Views;
 			sourceTree = "<group>";
@@ -256,6 +259,7 @@
 				FB0000000000000000000008 /* RemoteTouchView.swift in Sources */,
 				FB0000000000000000000009 /* RemoteVideoView.swift in Sources */,
 				FB000000000000000000000A /* SelfCodecDisplayView.swift in Sources */,
+				FB0000000000000000000017 /* LoginView.swift in Sources */,
 				FB000000000000000000000B /* ContentView.swift in Sources */,
 				FB000000000000000000000C /* AuthSheetView.swift in Sources */,
 				FB000000000000000000000D /* ControllerViewModel.swift in Sources */,