tenant: admin orders sort whitelist

backend/database/migrations/20251218193000_orders_admin_list_indexes.sql

@@ -0,0 +1,11 @@
+-- +goose Up
+-- +goose StatementBegin
+-- orders 列表查询索引补齐：租户管理端常用按 created_at/type 过滤 + 排序。
+CREATE INDEX IF NOT EXISTS ix_orders_tenant_created_at ON orders(tenant_id, created_at);
+CREATE INDEX IF NOT EXISTS ix_orders_tenant_type ON orders(tenant_id, type);
+-- +goose StatementEnd
+-- +goose Down
+-- +goose StatementBegin
+DROP INDEX IF EXISTS ix_orders_tenant_type;
+DROP INDEX IF EXISTS ix_orders_tenant_created_at;
+-- +goose StatementEnd