修复主账号问题

internal/service/shop/service.go

@@ -112,12 +112,13 @@ func (s *Service) Create(ctx context.Context, req *dto.CreateShopRequest) (*dto.
 	}
 
 	account := &model.Account{
-		Username: req.InitUsername,
-		Phone:    req.InitPhone,
-		Password: string(hashedPassword),
-		UserType: constants.UserTypeAgent,
-		ShopID:   &shop.ID,
-		Status:   constants.StatusEnabled,
+		Username:  req.InitUsername,
+		Phone:     req.InitPhone,
+		Password:  string(hashedPassword),
+		UserType:  constants.UserTypeAgent,
+		ShopID:    &shop.ID,
+		Status:    constants.StatusEnabled,
+		IsPrimary: true,
 	}
 	account.Creator = currentUserID
 	account.Updater = currentUserID

migrations/000127_fix_primary_account.down.sql

@@ -0,0 +1,6 @@
+-- 回滚：将所有代理账号的 is_primary 重置为 false
+-- 注意：无法精确还原哪些记录是迁移设置的，此操作会清除所有代理账号的主账号标记
+UPDATE tb_account
+SET is_primary = false
+WHERE user_type = 3
+  AND deleted_at IS NULL;

migrations/000127_fix_primary_account.up.sql

@@ -0,0 +1,15 @@
+-- 修复历史数据：对每个店铺取 created_at 最早的代理账号（user_type = 3）设为主账号（is_primary = true）
+-- 背景：shop/service.go 创建初始账号时未设置 is_primary = true，导致 fund-summary 接口查不到主账号信息
+-- 策略：DISTINCT ON (shop_id) 按 created_at ASC 取最早账号；AND is_primary = false 避免覆盖已正确的数据
+UPDATE tb_account a
+SET is_primary = true
+FROM (
+    SELECT DISTINCT ON (shop_id) id
+    FROM tb_account
+    WHERE shop_id IS NOT NULL
+      AND user_type = 3
+      AND deleted_at IS NULL
+    ORDER BY shop_id, created_at ASC
+) earliest
+WHERE a.id = earliest.id
+  AND a.is_primary = false;