Merge branch 'master' of ssh://gitea.ttstd.com:2222/tt/VibeCoding

# Conflicts:
#	WebRTCController/app/src/main/res/layout/activity_main.xml

webrtc_controller_flutter/lib/main.dart

@@ -123,7 +123,7 @@ class _ControllerHomeState extends State<ControllerHome> {
       return;
     }
 
-    String selectedType = 'CODE';
+    String selectedType = 'NONE';
     final valueController = TextEditingController();
 
     await showCupertinoDialog<void>(
@@ -136,6 +136,10 @@ class _ControllerHomeState extends State<ControllerHome> {
               const SizedBox(height: 12),
               CupertinoSegmentedControl<String>(
                 children: const {
+                  'NONE': Padding(
+                    padding: EdgeInsets.symmetric(horizontal: 8),
+                    child: Text('免密连接'),
+                  ),
                   'CODE': Padding(
                     padding: EdgeInsets.symmetric(horizontal: 8),
                     child: Text('动态验证码'),
@@ -149,12 +153,18 @@ class _ControllerHomeState extends State<ControllerHome> {
                 onValueChanged: (v) => setDialogState(() => selectedType = v),
               ),
               const SizedBox(height: 12),
-              CupertinoTextField(
-                controller: valueController,
-                placeholder: '请输入验证码或密码',
-                obscureText: true,
-                padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
-              ),
+              if (selectedType == 'NONE')
+                const Text(
+                  '免密连接：被控端将弹出手动确认对话框，无需输入验证码或密码。',
+                  style: TextStyle(fontSize: 13, color: CupertinoColors.systemGrey),
+                )
+              else
+                CupertinoTextField(
+                  controller: valueController,
+                  placeholder: selectedType == 'PASSWORD' ? '请输入固定密码' : '请输入动态验证码',
+                  obscureText: true,
+                  padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
+                ),
             ],
           ),
           actions: [
@@ -166,12 +176,15 @@ class _ControllerHomeState extends State<ControllerHome> {
               child: const Text('连接'),
               onPressed: () {
                 final val = valueController.text.trim();
-                if (val.isEmpty) {
+                if (selectedType != 'NONE' && val.isEmpty) {
                   _showAlert('请输入验证码或密码');
                   return;
                 }
                 Navigator.of(ctx).pop();
-                _connect(authType: selectedType, authValue: val);
+                _connect(
+                  authType: selectedType,
+                  authValue: selectedType == 'NONE' ? '' : val,
+                );
               },
             ),
           ],