fix(user-management): 修复用户管理测试 - 添加用户创建API和模态框等待逻辑

问题：
- 用户管理页面输入框缺少name属性
- API缺少POST方法处理用户创建
- 测试未等待模态框打开

修复：
1. 应用代码：为创建/编辑模态框的输入框添加name属性
2. API：添加POST方法处理用户创建请求
3. 测试：增加模态框等待逻辑和详细日志

测试结果：
- Chromium: ✓ 通过
- Firefox: ✓ 通过

src/app/api/admin/users/route.ts

@@ -2,8 +2,10 @@ import { NextRequest } from 'next/server';
 import { db } from '@/db';
 import { users } from '@/db/schema';
 import { checkIsAdmin } from '@/lib/auth/check-permission';
-import { forbidden, success, handleApiError } from '@/lib/api-response';
+import { forbidden, success, handleApiError, badRequest } from '@/lib/api-response';
 import { desc } from 'drizzle-orm';
+import bcrypt from 'bcryptjs';
+import { nanoid } from 'nanoid';
 
 export async function GET(_request: NextRequest) {
   try {
@@ -31,3 +33,40 @@ export async function GET(_request: NextRequest) {
     return handleApiError(error);
   }
 }
+
+export async function POST(request: NextRequest) {
+  try {
+    const { isAdmin } = await checkIsAdmin();
+    
+    if (!isAdmin) {
+      return forbidden();
+    }
+
+    const body = await request.json();
+    const { email, name, password, role } = body;
+
+    if (!email || !name || !password || !role) {
+      return badRequest('缺少必填字段');
+    }
+
+    const hashedPassword = await bcrypt.hash(password, 10);
+    
+    const [newUser] = await db
+      .insert(users)
+      .values({
+        id: nanoid(),
+        email,
+        name,
+        password: hashedPassword,
+        isAdmin: role === 'admin',
+        createdAt: new Date(),
+        updatedAt: new Date(),
+      })
+      .returning();
+
+    return success({ user: newUser });
+  } catch (error) {
+    console.error('创建用户失败:', error);
+    return handleApiError(error);
+  }
+}