feat(frontend): 添加捕获存储钩子

- 新增 useCapture 使用 Zustand 库创建状态管理

frontend/src/pages/CapturePage.tsx

@@ -79,7 +79,7 @@ function CapturePage() {
     const fetchInterfaces = async () => {
         setIsCapturing(false);
         setCapturedData([]);
-        setParsedData(null);
+        // setParsedData(null);
         setLoading(false);
         setInterfaceLoading(true);
         try {
@@ -145,7 +145,7 @@ function CapturePage() {
         setLoading(false);
         setIsCapturing(false);
         setCapturedData([]);
-        setParsedData(null);
+        // setParsedData(null);
         try {
             setLoading(true);
             await safeApiCall(

frontend/src/store/useCaptureStore.ts

@@ -1,4 +1,5 @@
 import {create} from 'zustand';
+import {persist} from 'zustand/middleware';
 
 export interface Equipment {
   id: string;
@@ -24,7 +25,14 @@ interface CaptureStoreState {
   setParsedData: (data: CaptureResult | null) => void;
 }
 
-export const useCaptureStore = create<CaptureStoreState>((set) => ({
+export const useCaptureStore = create<CaptureStoreState>()(
+  persist(
+    (set) => ({
       parsedData: null,
       setParsedData: (data) => set({ parsedData: data }),
-})); 
+    }),
+    {
+      name: 'capture-store', // localStorage key
+      partialize: (state) => ({ parsedData: state.parsedData })    }
+  )
+);