test(db): 表结构与契约同步测试登记 storage_instance

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei

packages/db/test/schema.test.ts

@@ -24,6 +24,7 @@ const EXPECTED_TABLES = [
   "downloader_instance",
   "media_server_instance",
   "path_mapping",
+  "storage_instance",
   // 内容 / 身份
   "media_entity",
   "content_unit",