More hopeful fixes for wayland.

src/cthulhu/plugin_system_manager.py

@@ -996,7 +996,9 @@ class PluginSystemManager:
 
             try:
                 logger.info(f"Activating plugin: {module_name}")
-                self.plugin_manager.hook.activate(plugin=plugin_instance)
+                # Lifecycle is per-plugin. Broadcasting through pluggy replays
+                # activate() on every previously-registered plugin.
+                plugin_instance.activate(plugin_instance)
             except Exception as e:
                 logger.error(f"Error activating plugin {module_name}: {e}")
                 import traceback
@@ -1035,7 +1037,9 @@ class PluginSystemManager:
             plugin_instance = pluginInfo.instance
             if plugin_instance:
                 try:
-                    self.plugin_manager.hook.deactivate(plugin=plugin_instance)
+                    # Mirror targeted activation and only deactivate the plugin
+                    # instance being unloaded.
+                    plugin_instance.deactivate(plugin_instance)
                 except Exception as e:
                     logger.error(f"Error deactivating plugin {module_name}: {e}")