feat: 支持ZIP压缩包上传（含密码保护）

web/src/lib/api.ts

@@ -100,7 +100,7 @@ export interface MonthlyStatsResponse {
 export async function uploadBill(
   file: File, 
   type: BillType,
-  options?: { year?: number; month?: number }
+  options?: { year?: number; month?: number; password?: string }
 ): Promise<UploadResponse> {
   const formData = new FormData();
   formData.append('file', file);
@@ -112,6 +112,9 @@ export async function uploadBill(
   if (options?.month) {
     formData.append('month', options.month.toString());
   }
+  if (options?.password) {
+    formData.append('password', options.password);
+  }
   
   const response = await apiFetch(`${API_BASE}/api/upload`, {
     method: 'POST',