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/src/files.ts

@@ -350,6 +350,8 @@ export const FilesOrganizeGroup = z.object({
   truncated: z.boolean(),
   recordId: Id.nullable(),
   taskId: Id.nullable(),
+  /** 暂未生效的逐项覆写(season/episodes/slotId 等待 planImport 扩 fileOverrides) */
+  warnings: z.array(z.string()),
   /** 该组失败原因(plan_stale / 授权 / H&R 等),其他组不受影响 */
   error: z.object({ code: z.string(), message: z.string() }).nullable(),
 });
@@ -376,6 +378,8 @@ export const FilesDeleteRequest = z.object({
   unbind: z.boolean().default(false),
   /** 永久删除二次确认:必须等于每项文件名(单项时) */
   confirmName: z.string().max(255).optional(),
+  /** dryRun 返回的 planId;API Key 执行时必填(一次性审批绑定该计划),会话可省略 */
+  planId: Id.optional(),
 });
 export type FilesDeleteRequest = z.infer<typeof FilesDeleteRequest>;
 
@@ -396,6 +400,25 @@ export const FileDeleteCheck = z.object({
 });
 export type FileDeleteCheck = z.infer<typeof FileDeleteCheck>;
 
+/** trash_item 表行(db-sync 对照用;API 用下方 TrashItem 投影) */
+export const TrashItemRow = z.object({
+  id: Id,
+  rootId: z.string(),
+  libraryRootId: Id.nullable(),
+  rootHostPath: z.string(),
+  originalPath: z.string(),
+  trashPath: z.string(),
+  isDir: z.boolean(),
+  sizeBytes: NonNegInt,
+  actor: z.string().nullable(),
+  deletedAt: Timestamp,
+  expiresAt: Timestamp,
+  assetSnapshot: JsonObject.nullable(),
+  createdAt: Timestamp,
+  updatedAt: Timestamp,
+});
+export type TrashItemRow = z.infer<typeof TrashItemRow>;
+
 export const TrashItem = z.object({
   id: Id,
   rootId: FileRootId,
@@ -414,6 +437,9 @@ export type TrashItem = z.infer<typeof TrashItem>;
 
 export const FilesDeleteResult = z.object({
   dryRun: z.boolean(),
+  /** dryRun 生成的删除计划(执行时回传;审批绑定) */
+  planId: Id.nullable(),
+  planExpiresAt: Timestamp.nullable(),
   mode: z.enum(["trash", "permanent"]),
   checks: z.array(FileDeleteCheck),
   /** 执行后:进入回收站的项(permanent 为空) */
@@ -527,9 +553,11 @@ export const FilesScrapeRequest = z.object({
 export type FilesScrapeRequest = z.infer<typeof FilesScrapeRequest>;
 export const FilesScrapeResult = z.object({
   mediaEntityId: Id,
-  changedFields: z.array(z.string()),
+  /** refreshMetadata 引擎 run id(异步;字段级刷新,用户锁优先,不动路径) */
+  taskId: z.string(),
+  /** 当前被用户锁定、刷新不会改动的字段 */
   lockedFields: z.array(z.string()),
-  /** NFO/图片投影:W5 实现前恒为 not_implemented */
+  /** NFO/图片投影:W5 实现前请求时为 not_implemented */
   nfo: z.enum(["written", "skipped", "not_requested", "not_implemented"]),
   images: z.enum(["written", "skipped", "not_requested", "not_implemented"]),
 });