event重构暂时完成，待测试

src/chat/chat_loop/cycle_processor.py

@@ -97,6 +97,13 @@ class CycleProcessor:
         if not skip_planner:
             plan_result, target_message = await self.action_planner.plan(mode=self.context.loop_mode)
 
+        from src.plugin_system.core.event_manager import event_manager
+        from src.plugin_system.base.component_types import EventType
+        # 触发 ON_PLAN 事件
+        result = await event_manager.trigger_event(EventType.ON_PLAN, stream_id=self.chat_stream.stream_id)
+        if result and not result.all_continue_process():
+            return
+            
         action_result = plan_result.get("action_result", {}) if isinstance(plan_result, dict) else {}
         if not isinstance(action_result, dict):
             action_result = {}