fix: stocks 字段支持对象格式 {code, name}

- investment.ts: stocks 类型改为 Array<{code, name} | string>
  - EventFormModal: 编辑时兼容对象格式，保存时附带股票名称

src/types/investment.ts

@@ -46,8 +46,8 @@ export interface InvestmentEvent {
   /** 重要度 (1-5) */
   importance?: number;
 
-  /** 相关股票代码列表 */
-  stocks?: string[];
+  /** 相关股票列表 */
+  stocks?: Array<{ code: string; name: string } | string>;
 
   /** 标签列表 */
   tags?: string[];
@@ -85,8 +85,8 @@ export interface PlanFormData {
   /** 事件类型 */
   type: EventType;
 
-  /** 相关股票代码列表 */
-  stocks: string[];
+  /** 相关股票列表 */
+  stocks: Array<{ code: string; name: string } | string>;
 
   /** 标签列表 */
   tags: string[];

src/views/Dashboard/components/EventFormModal.tsx

@@ -231,11 +231,15 @@ export const EventFormModal: React.FC<EventFormModalProps> = ({
   useEffect(() => {
     if (isOpen) {
       if (mode === 'edit' && editingEvent) {
+        // 将 stocks 转换为代码数组（兼容对象和字符串格式）
+        const stockCodes = (editingEvent.stocks || []).map(stock =>
+          typeof stock === 'string' ? stock : stock.code
+        );
         form.setFieldsValue({
           title: editingEvent.title,
           date: dayjs(editingEvent.event_date || editingEvent.date),
           content: editingEvent.description || editingEvent.content || '',
-          stocks: editingEvent.stocks || [],
+          stocks: stockCodes,
         });
       } else {
         // 新建模式，重置表单并预填充模板内容
@@ -279,13 +283,23 @@ export const EventFormModal: React.FC<EventFormModalProps> = ({
 
       const base = getApiBase();
 
+      // 将选中的股票代码转换为包含名称的对象数组
+      const stocksWithNames = (values.stocks || []).map((code: string) => {
+        const stockInfo = allStocks.find(s => s.code === code);
+        const watchlistInfo = watchlist.find(s => s.stock_code === code);
+        return {
+          code,
+          name: stockInfo?.name || watchlistInfo?.stock_name || code,
+        };
+      });
+
       // 构建请求数据
       const requestData: Record<string, unknown> = {
         title: values.title,
         content: values.content,
         date: values.date.format('YYYY-MM-DD'),
         type: eventType,
-        stocks: values.stocks || [],
+        stocks: stocksWithNames,
         status: 'active',
       };
 
@@ -336,7 +350,7 @@ export const EventFormModal: React.FC<EventFormModalProps> = ({
     } finally {
       setSaving(false);
     }
-  }, [form, eventType, apiEndpoint, mode, editingEvent, label, onClose, onSuccess, loadAllData]);
+  }, [form, eventType, apiEndpoint, mode, editingEvent, label, onClose, onSuccess, loadAllData, allStocks, watchlist]);
 
   // 监听键盘快捷键 Ctrl + Enter
   useEffect(() => {