Still fighting with plugins.

src/cthulhu/plugin.py

@@ -90,3 +90,9 @@ class Plugin:
                     contextName=self.module_name
                 )
         return None
+
+    def connectSignal(self, signal_name, callback):
+        """Connect to an application signal."""
+        if self.app and self.app.getSignalManager():
+            return self.app.getSignalManager().connectSignal(signal_name, callback)
+        return None

src/cthulhu/plugin_system_manager.py

@@ -232,6 +232,7 @@ class PluginSystemManager:
         return self._active_plugins
 
     def setActivePlugins(self, activePlugins):
+        """Set active plugins and sync their state."""
         logger.info(f"Setting active plugins: {activePlugins}")
     
         # Make sure we have scanned for plugins first