feat: add Qt/Streamlit alternative frontends, fix hub output auto-scroll, update README

README.md

@@ -101,6 +101,15 @@ tg_allowed_users = [YOUR_USER_ID]
 python frontends/tgapp.py
 ```
 
+### Alternative App Frontends
+
+Besides the default Streamlit web UI, you can also try other frontend styles:
+
+```bash
+python frontends/qtapp.py                # Qt-based desktop app
+streamlit run frontends/stapp2.py        # Alternative Streamlit UI
+```
+
 
 ## 📊 Comparison with Similar Tools
 
@@ -338,6 +347,15 @@ dingtalk_client_secret = "your_app_secret"
 dingtalk_allowed_users = ["your_staff_id"]  # 或 ['*']
 ```
 
+### 其他 App 前端
+
+除默认的 Streamlit Web UI 外，还可以尝试不同风格的前端：
+
+```bash
+python frontends/qtapp.py                # 基于 Qt 的桌面应用
+streamlit run frontends/stapp2.py        # 另一种 Streamlit 风格 UI
+```
+
 
 ## 📊 与同类产品对比
 

hub.pyw

@@ -12,12 +12,8 @@ BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 def acquire_singleton():
     s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     try:
-        s.bind(('127.0.0.1', LOCK_PORT))
+        s.bind(('127.0.0.1', LOCK_PORT)); s.listen(1);return s
-        s.listen(1)
+    except OSError: return None
-        return s
-    except OSError:
-        return None
-
 
 def discover_services():
     services = []
@@ -32,12 +28,9 @@ def discover_services():
     frontends_dir = os.path.join(BASE_DIR, 'frontends')
     if os.path.isdir(frontends_dir):
         for f in sorted(os.listdir(frontends_dir)):
-            if f.endswith('app.py') and f != 'chatapp_common.py':
+            if 'app' in f and f.endswith('.py') and f != 'chatapp_common.py':
-                if f == 'stapp.py':
+                if 'stapp' in f: cmd = [sys.executable, '-m', 'streamlit', 'run', 'frontends/' + f, '--server.headless=true']
-                    cmd = [sys.executable, '-m', 'streamlit', 'run',
+                else: cmd = [sys.executable, 'frontends/' + f]
-                           'frontends/' + f, '--server.headless=true']
-                else:
-                    cmd = [sys.executable, 'frontends/' + f]
                 services.append({'name': 'frontends/' + f, 'cmd': cmd})
     return services
 
@@ -213,11 +206,12 @@ class LauncherApp:
         if not self.selected:
             return
         lines = self.mgr.get_output(self.selected)
+        at_bottom = self.output_text.yview()[1] >= 0.99
         self.output_text.configure(state='normal')
         self.output_text.delete('1.0', 'end')
         self.output_text.insert('end', ''.join(lines[-200:]))
         self.output_text.configure(state='disabled')
-        self.output_text.see('end')
+        if at_bottom: self.output_text.see('end')
 
     def _poll(self):
         for svc in self.services: