test: update mocks for Prisma v7 stricter type checking

src/__tests__/unit/user-management.test.ts

@@ -4,7 +4,7 @@
  * Tests for user name editing and profile management
  */
 
-import { describe, test, expect, vi } from 'vitest';
+import { describe, test, expect, vi, beforeEach } from 'vitest';
 import { hasRole } from '@/lib/permissions';
 import { getSession } from '@/lib/auth-simple';
 import { prisma } from '@/lib/prisma';
@@ -41,7 +41,7 @@ const createMockUser = (id: string, email: string, role: string, name?: string):
 });
 
 // Helper to create mock player
-const createMockPlayer = (id: number, userId: string, name: string): Player => ({
+const createMockPlayer = (id: number, name: string): Player => ({
   id,
   name,
   normalizedName: name.toLowerCase(),
@@ -52,7 +52,6 @@ const createMockPlayer = (id: number, userId: string, name: string): Player => (
   losses: 0,
   createdAt: new Date(),
   updatedAt: new Date(),
-  userId,
 });
 
 describe('User Management', () => {
@@ -158,7 +157,7 @@ describe('User Management', () => {
   describe('Player Name Updates', () => {
     test('player name should be updated when user name is updated', async () => {
       const mockUser = createMockUser('user-1', 'user@example.com', 'club_admin');
-      const mockPlayer = createMockPlayer(1, 'user-1', 'Old Name');
+      const mockPlayer = createMockPlayer(1, 'Old Name');
       
       vi.mocked(getSession).mockResolvedValue({
         user: { id: 'user-1', email: 'user@example.com' },