chore: 提交所有工作进度 — SaaS 后端增强、Admin UI、桌面端集成

包含大量 SaaS 平台改进、Admin 管理后台更新、桌面端集成完善、
文档同步、测试文件重构等内容。为 QA 测试准备干净工作树。

desktop/src/lib/api-key-storage.ts

@@ -13,7 +13,7 @@
  */
 
 import { secureStorage, isSecureStorageAvailable } from './secure-storage';
-import { hashSha256 } from './crypto-utils';
+import { hashSha256, generateRandomString } from './crypto-utils';
 
 // Storage key prefixes
 const API_KEY_PREFIX = 'zclaw_api_key_';
@@ -456,21 +456,19 @@ export function clearSecurityLog(): void {
 
 /**
  * Generate a random API key for testing
- * WARNING: Only use for testing purposes
+ * @internal Only use for testing purposes
  */
 export function generateTestApiKey(type: ApiKeyType): string {
   const rules = KEY_VALIDATION_RULES[type];
   const length = rules.minLength + 10;
-  const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
 
   let key = '';
   if (rules.prefix && rules.prefix.length > 0) {
     key = rules.prefix[0];
   }
 
-  for (let i = key.length; i < length; i++) {
-    key += chars.charAt(Math.floor(Math.random() * chars.length));
-  }
+  const remainingLength = length - key.length;
+  key += generateRandomString(remainingLength);
 
   return key;
 }