fix: 修复配额说明重复和undefined问题

- 在editStorageForm中初始化oss_storage_quota_value和oss_quota_unit
- 删除重复的旧配额说明块，保留新的当前配额设置显示

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/node_modules/validator/lib/isTime.js

@@ -0,0 +1,31 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = isTime;
+var _merge = _interopRequireDefault(require("./util/merge"));
+function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
+var default_time_options = {
+  hourFormat: 'hour24',
+  mode: 'default'
+};
+var formats = {
+  hour24: {
+    default: /^([01]?[0-9]|2[0-3]):([0-5][0-9])$/,
+    withSeconds: /^([01]?[0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])$/,
+    withOptionalSeconds: /^([01]?[0-9]|2[0-3]):([0-5][0-9])(?::([0-5][0-9]))?$/
+  },
+  hour12: {
+    default: /^(0?[1-9]|1[0-2]):([0-5][0-9]) (A|P)M$/,
+    withSeconds: /^(0?[1-9]|1[0-2]):([0-5][0-9]):([0-5][0-9]) (A|P)M$/,
+    withOptionalSeconds: /^(0?[1-9]|1[0-2]):([0-5][0-9])(?::([0-5][0-9]))? (A|P)M$/
+  }
+};
+function isTime(input, options) {
+  options = (0, _merge.default)(options, default_time_options);
+  if (typeof input !== 'string') return false;
+  return formats[options.hourFormat][options.mode].test(input);
+}
+module.exports = exports.default;
+module.exports.default = exports.default;