修复主账号问题

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;