fix(media): 详情页标语只显示简体中文,简中没有时不显示

- adapters 新增 simplifiedChineseTagline:取值语言为繁中 / 非中文、或文字是繁体特有字时不显示;原语言为中文(zh / cn)的作品按简中处理
- TMDB 富详情带回 taglineLanguage;发现页详情的 tagline 按上述口径给出
- 媒体库作品详情新增 displayTagline(存储的标语语言为 null,只能按文字判断);metadata.tagline 存储不变
- 补 adapters 单测与作品详情接口测试

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

apps/server/src/modules/acquisition-organize/routes/library.ts

@@ -1,4 +1,5 @@
 import { join } from "node:path";
+import { simplifiedChineseTagline } from "@umt/adapters";
 import {
   type AcquisitionPlan,
   type AcquisitionSlot,
@@ -405,6 +406,7 @@ export function registerLibraryRoutes(app: ModuleApp, d: AoDeps) {
           finishedAt: r.finished_at ? new Date(r.finished_at).toISOString() : null,
         })),
         scrape: await latestEntityScrape(d, id),
+        displayTagline: heroTagline(e!.metadata),
       };
       return detail;
     },
@@ -642,3 +644,11 @@ export function registerLibraryRoutes(app: ModuleApp, d: AoDeps) {
     { tag: TAG },
   );
 }
+
+/** 详情页头部的标语:只显示简体中文(见 simplifiedChineseTagline);存储的标语与语言不变 */
+function heroTagline(metadata: unknown): string | null {
+  const m = (metadata ?? {}) as Record<string, { value?: unknown; language?: string | null } | undefined>;
+  const text = typeof m.tagline?.value === "string" ? m.tagline.value : null;
+  const orig = typeof m.originalLanguage?.value === "string" ? m.originalLanguage.value : null;
+  return simplifiedChineseTagline(text, m.tagline?.language ?? null, orig);
+}

apps/server/src/modules/search/routes.ts

@@ -3,6 +3,7 @@ import {
   fetchRichDetail,
   fetchRichSeason,
   type MetadataCandidate,
+  simplifiedChineseTagline,
   TmdbError,
   type TmdbRichDetail,
 } from "@umt/adapters";
@@ -453,7 +454,7 @@ export function registerSearchRoutes(app: ModuleApp, ctx: ServerContext, d: Sear
       out.title = rich.title || out.title;
       out.overview = rich.overview ?? out.overview;
       out.titleZh = rich.titleZh;
-      out.tagline = rich.tagline;
+      out.tagline = simplifiedChineseTagline(rich.tagline, rich.taglineLanguage, rich.originalLanguage);
       out.genres = rich.genres;
       out.voteAverage = rich.voteAverage;
       out.voteCount = rich.voteCount;

apps/server/test/acquisition-organize/library-versions.test.ts

@@ -336,4 +336,32 @@ describe.skipIf(!hasPg)("LIBV-1 入库版本", () => {
     expect(response.body.data.downloads).toHaveLength(105);
     expect(response.body.data.droppedPlans).toHaveLength(51);
   });
+
+  it("作品详情头部标语只给简体中文(displayTagline);存储的 metadata.tagline 不变", async () => {
+    const field = (value: unknown, language: string | null = null) => ({
+      value,
+      source: "tmdb",
+      language,
+      at: "2026-10-01T00:00:00.000Z",
+      locked: false,
+    });
+    const cases: [string, string, string | null][] = [
+      ["我们注定要离开地球", "en", "我们注定要离开地球"],
+      ["我們註定要離開地球", "en", null],
+      ["Mankind was born on Earth.", "en", null],
+      ["我們註定要離開地球", "zh", "我們註定要離開地球"],
+    ];
+    for (const [tagline, orig, want] of cases) {
+      const entityId = await seedEntity(h.db, { kind: "movie", title: `标语 ${tagline}`, year: 2026 });
+      await h.db
+        .updateTable("media_entity")
+        .set({ metadata: JSON.stringify({ tagline: field(tagline), originalLanguage: field(orig) }) })
+        .where("id", "=", entityId)
+        .execute();
+      const r = await h.api("GET", `/library/${entityId}`);
+      expect(r.status).toBe(200);
+      expect(r.body.data.displayTagline).toBe(want);
+      expect(r.body.data.entity.metadata.tagline.value).toBe(tagline);
+    }
+  });
 });

apps/web/app/routes/console/library.$id.tsx

@@ -1091,7 +1091,8 @@ function factsOf(d: LibraryDetail, entity: MediaEntityDetail | undefined): Media
     platform: strOf(m("platform")),
     originCountry: Array.isArray(country) ? country.filter((x): x is string => typeof x === "string") : [],
     overview: strOf(m("overview")),
-    tagline: strOf(m("tagline")),
+    // 头部标语只显示简体中文,由服务端按取值语言 / 文字判断(存储的 metadata.tagline 不变)
+    tagline: d.displayTagline ?? null,
     posterPath: posterPathOf(e.metadata),
     backdropPath: strOf(m("backdropPath")),
     externalLinks: externalLinks({