抽象统一定位方法，支持多种地理要素

src/hooks/useChatToolActionHandler.ts

@@ -11,8 +11,7 @@ import {
  * ```ts
  * useChatToolActionHandler((action) => {
  *   switch (action.type) {
- *     case "locate_nodes": handleLocateNodes(action.ids); break;
- *     case "locate_pipes": handleLocatePipes(action.ids); break;
+ *     case "locate_features": handleLocateFeatures(action.ids, action.layer, action.geometryKind); break;
  *     case "view_history": openHistoryPanel(action.featureInfos, action.dataType); break;
  *     case "view_scada":   openScadaPanel(action.featureInfos); break;
  *   }
@@ -23,7 +22,10 @@ export function useChatToolActionHandler(
   handler: (action: ChatToolAction) => void,
 ) {
   const handlerRef = useRef(handler);
-  handlerRef.current = handler;
+
+  useEffect(() => {
+    handlerRef.current = handler;
+  }, [handler]);
 
   useEffect(() => {
     const unsubscribe = useChatToolStore.subscribe(