agent improvement

cht/window.py

@@ -555,6 +555,7 @@ class ChtWindow(Adw.ApplicationWindow):
         self._agent_input.connect("model-changed", self._on_model_changed)
         self._agent_input.connect("lang-changed", self._on_lang_changed)
         self._agent_input.connect("history-toggled", lambda p, v: setattr(self._agent, "include_history", v))
+        self._agent_input.connect("permission-changed", self._on_permission_changed)
         right_box.append(self._agent_input)
 
         return right_box
@@ -678,10 +679,16 @@ class ChtWindow(Adw.ApplicationWindow):
         self._agent.model = model
         log.info("Model switched to %s", model)
 
+    def _on_permission_changed(self, _panel, mode):
+        self._agent.permission_mode = mode
+        log.info("Permission mode switched to %s", mode)
+
     def _populate_model_dropdown(self):
         self._agent_input.populate_models(
             self._agent.available_models, self._agent.model
         )
+        from cht.config import AGENT_PERMISSION_MODE
+        self._agent_input.set_permission_mode(AGENT_PERMISSION_MODE)
 
     def _check_agent_auth(self):
         import os