feat(db,contracts): trash_item migration and file manager contract refinements

- 0024_trash: trash_item table + unique idempotency index on artifact(files_idem)
- files.ts: TrashItemRow, delete planId/planExpiresAt, organize group warnings,
  scrape returns refreshMetadata taskId
- registry tests list the new table/row schema

Co-Authored-By: Claude Opus 5.5 <[email protected]>

packages/contracts/test/db-sync.test.ts

@@ -93,6 +93,8 @@ const ROWS: Record<string, { row: Obj; dbOnly?: string[]; apiOnly?: string[] }>
   BrowserSession: { row: C.BrowserSession },
   BrowserTab: { row: C.BrowserTab },
   BrowserControlLease: { row: C.BrowserControlLease },
+  // W5-A 文件管理回收站(0024)
+  TrashItem: { row: C.TrashItemRow },
 };
 
 /** 引擎自有表(@umt/tasks 内部使用,不经 API 暴露),不要求 Row schema */

packages/contracts/test/schemas.test.ts

@@ -33,6 +33,7 @@ const STRING_CANDIDATES = [
   "catalog.lookup",
   "测试 Test",
   "123456",
+  `lib:${UUID}`,
 ];
 const NUMBER_CANDIDATES = [1, 50, 2024, 0.5, 0, 4096, 128000];
 
@@ -88,6 +89,7 @@ const OVERRIDES: Record<string, (v: Record<string, unknown>) => Record<string, u
   ExternalIdentityCreate: (v) => ({ ...v, contentUnitId: null }),
   PathBindingCreate: (v) => ({ ...v, bindingKind: "season", seasonNumber: 1 }),
   OrganizeRequest: (v) => ({ ...v, sourcePaths: undefined }),
+  FilesListQuery: (v) => ({ ...v, filter: "video,unidentified" }),
   CatalogLookupInput: (v) => v,
   IdentityResolveInput: (v) => v,
   AssetLocationCreate: (v) => v,