添加读取本地文件功能，支持以 base64 格式返回身份证照片；更新客户信息接口，支持上传婚姻状况及相关信息

electron/main.js

@@ -381,6 +381,26 @@ app.whenReady().then(() => {
     }
   });
 
+  // 读取本地文件并以 base64 返回（用于渲染进程获取 id card 照片）
+  ipcMain.handle("read-local-file", async (event, filePath) => {
+    try {
+      if (!filePath || typeof filePath !== "string") {
+        return { success: false, error: "invalid filePath" };
+      }
+      if (!fs.existsSync(filePath)) {
+        return { success: false, error: `file not exists: ${filePath}` };
+      }
+      const buffer = fs.readFileSync(filePath);
+      const base64 = buffer.toString("base64");
+      const mime = "image/bmp";
+
+      return { success: true, data: base64, mime };
+    } catch (err) {
+      log.error("read-local-file error:", err);
+      return { success: false, error: err.message || String(err) };
+    }
+  });
+
   app.on("activate", () => {
     if (BrowserWindow.getAllWindows().length === 0) {
       createWindow();