feat: 处理自选股乐观更新

src/store/slices/stockSlice.js

@@ -340,6 +340,26 @@ const stockSlice = createSlice({
       delete state.historicalEventsCache[eventId];
       delete state.chainAnalysisCache[eventId];
       delete state.expectationScores[eventId];
+    },
+
+    /**
+     * 乐观更新：添加自选股（同步）
+     */
+    optimisticAddWatchlist: (state, action) => {
+      const { stockCode, stockName } = action.payload;
+      // 避免重复添加
+      const exists = state.watchlist.some(item => item.stock_code === stockCode);
+      if (!exists) {
+        state.watchlist.push({ stock_code: stockCode, stock_name: stockName || '' });
+      }
+    },
+
+    /**
+     * 乐观更新：移除自选股（同步）
+     */
+    optimisticRemoveWatchlist: (state, action) => {
+      const { stockCode } = action.payload;
+      state.watchlist = state.watchlist.filter(item => item.stock_code !== stockCode);
     }
   },
   extraReducers: (builder) => {
@@ -461,7 +481,9 @@ export const {
   updateQuote,
   updateQuotes,
   clearQuotes,
-  clearEventCache
+  clearEventCache,
+  optimisticAddWatchlist,
+  optimisticRemoveWatchlist
 } = stockSlice.actions;
 
 export default stockSlice.reducer;