tweaks

cht/ui/monitor.py

@@ -99,7 +99,20 @@ class MonitorWidget(Gtk.Box):
         elif self._review_player:
             self._review_player.screenshot(path)
 
+    def reset(self):
+        """Reset for session transition — keep players alive, just unload content."""
+        log.info("Resetting monitor")
+        self._live_source_url = None
+        self._recording_path = None
+        self._live_loaded = False
+        if self._live_player:
+            self._live_player.command("stop")
+        if self._review_player:
+            self._review_player.command("stop")
+        self._stack.set_visible_child_name("live")
+
     def stop(self):
+        """Full teardown — terminates mpv players. Only call on app exit."""
         log.info("Stopping monitor")
         if self._live_player:
             self._live_player.terminate()