feat(metadata): apply language chain and queue full refresh on new entities (INT-3)

Entities created from TMDB candidates (subscription, search/TMDB preview, organize wizard)
and manual assignment to an unregistered TMDB identity take title/overview from the
metadata.languages chain at creation and enqueue refreshMetadata full=1.

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

apps/server/src/modules/file-manager/candidate.ts

@@ -1,6 +1,11 @@
 import type { FilesEntityFromCandidateResult, FilesExternalCandidate } from "@umt/contracts";
 import type { Principal } from "../../http/auth.ts";
-import { CandidateError, createEntityFromTmdbCandidate } from "../sources-identity/service/entity-from-candidate.ts";
+import {
+  CandidateError,
+  createEntityFromTmdbCandidate,
+  enqueueNewEntityRefresh,
+} from "../sources-identity/service/entity-from-candidate.ts";
+import { metadataLanguages } from "../sources-identity/service/metadata-rich.ts";
 import { actorOfP, FilesError, type FmDeps } from "./common.ts";
 import { audit } from "./ledger.ts";
 
@@ -18,8 +23,13 @@ export async function entityFromCandidate(
   ref: FilesExternalCandidate,
 ): Promise<FilesEntityFromCandidateResult> {
   try {
-    const r = await createEntityFromTmdbCandidate(d.ctx.db, d.tmdb, ref, actorOf(principal));
-    if (r.created) await audit(d, principal, "entity_from_candidate", { ...ref, mediaEntityId: r.mediaEntityId });
+    const languages = await metadataLanguages(d.ctx);
+    const r = await createEntityFromTmdbCandidate(d.ctx.db, d.tmdb, ref, actorOf(principal), { languages });
+    if (r.created) {
+      await audit(d, principal, "entity_from_candidate", { ...ref, mediaEntityId: r.mediaEntityId });
+      // 订阅建档 / 搜索建档 / 整理向导都走这里:建档即入队 full 刷新(每集信息、富字段)
+      await enqueueNewEntityRefresh(d.ctx, r.mediaEntityId);
+    }
     return r;
   } catch (e) {
     if (e instanceof CandidateError)