fix: 完善动态错误指引与发票日期校验（09-05-error-explainability-payment-readiness）

server/src/routes/me.js

@@ -1,4 +1,5 @@
 const { z } = require("zod");
+const { buildBusinessValidationError } = require("../utils/businessValidationError");
 
 const { AppError } = require("../utils/AppError");
 const { buildAuditLogData } = require("../utils/audit");
@@ -11,19 +12,10 @@ const NOTIFICATION_PREFERENCES_SCHEMA = z
   })
   .strict();
 
-function buildValidationError(details) {
-  return new AppError({
-    code: "VALID_001",
-    message: "参数校验失败",
-    statusCode: 400,
-    details,
-  });
-}
-
 function parseNotificationPreferences(body) {
   const parsed = NOTIFICATION_PREFERENCES_SCHEMA.safeParse(body ?? {});
   if (!parsed.success) {
-    throw buildValidationError(parsed.error.flatten());
+    throw buildBusinessValidationError("profile.notification_preferences_invalid", parsed.error.flatten());
   }
 
   return parsed.data;