fix(migration): 修正 wallet_accounts 插入字段，移除不存在的 total 统计列

backend/migrations/000067_seed_test_distribution_site.sql

@@ -44,9 +44,9 @@ ON DUPLICATE KEY UPDATE
 
 -- 4. 初始化 test_1 分销站金库钱包账户 (user_id = 0, distribution_site_id = site.id)
 INSERT INTO wallet_accounts (
-  user_id, distribution_site_id, available_balance_cent, frozen_balance_cent, total_income_amount_cent, total_payout_amount_cent, status, created_at, updated_at
+  user_id, distribution_site_id, available_balance_cent, frozen_balance_cent, status, created_at, updated_at
 )
-SELECT 0, s.id, 0, 0, 0, 0, 'active', NOW(), NOW()
+SELECT 0, s.id, 0, 0, 'active', NOW(), NOW()
 FROM distribution_sites s
 WHERE s.site_code = 'test_1'
 ON DUPLICATE KEY UPDATE status = 'active';