feat: error handling

src/components/md-deck/hooks/deckStore.ts

@@ -56,6 +56,8 @@ export interface DeckState {
 
   // 导出状态
   isExporting: boolean;
+  exportProgress: number; // 0-100
+  exportError: string | null;
 
   // 打印设置
   printOrientation: 'portrait' | 'landscape';
@@ -106,6 +108,9 @@ export interface DeckActions {
   // 导出操作
   setExporting: (exporting: boolean) => void;
   exportDeck: () => void;
+  setExportProgress: (progress: number) => void;
+  setExportError: (error: string | null) => void;
+  clearExportError: () => void;
 
   // 打印设置
   setPrintOrientation: (orientation: 'portrait' | 'landscape') => void;
@@ -147,6 +152,8 @@ export function createDeckStore(
     isLoading: false,
     error: null,
     isExporting: false,
+    exportProgress: 0,
+    exportError: null,
     printOrientation: 'portrait',
     printOddPageOffsetX: 0,
     printOddPageOffsetY: 0
@@ -289,9 +296,15 @@ export function createDeckStore(
   const setExporting = (exporting: boolean) => setState({ isExporting: exporting });
 
   const exportDeck = () => {
-    setState({ isExporting: true });
+    setState({ isExporting: true, exportProgress: 0, exportError: null });
   };
 
+  const setExportProgress = (progress: number) => setState({ exportProgress: progress });
+
+  const setExportError = (error: string | null) => setState({ exportError: error });
+
+  const clearExportError = () => setState({ exportError: null });
+
   const setPrintOrientation = (orientation: 'portrait' | 'landscape') => {
     setState({ printOrientation: orientation });
   };
@@ -332,6 +345,9 @@ export function createDeckStore(
     copyCode,
     setExporting,
     exportDeck,
+    setExportProgress,
+    setExportError,
+    clearExportError,
     setPrintOrientation,
     setPrintOddPageOffsetX,
     setPrintOddPageOffsetY