Merge branch 'id3'

Co-Authored-By: Claude Fable 5.1 <[email protected]>

# Conflicts:
#	CHANGELOG.md

apps/server/src/modules/sources-identity/routes/enrich.ts

@@ -15,8 +15,10 @@ import { ApiException, errorBody } from "../../../http/errors.ts";
 import type { ModuleApp } from "../../types.ts";
 import { route } from "../http.ts";
 import type { SourcesRuntime } from "../runtime.ts";
+import { siteExplicitIds } from "../service/detail-page.ts";
 import { applyEnrichment, domainAllowed, enrichStats, hostOf } from "../service/enrich.ts";
 import { fetchPublicImage, imageResponse } from "../service/image-proxy.ts";
+import { resolveRelease } from "../service/resolve.ts";
 
 // META-1 元数据补全 API:先看建议(POST /identity-pool/{id}/enrich,经能力注册中心调用 metadata.enrich,
 // 授权 / 审计与 Agent 同一路径),再应用(POST /identity-pool/{id}/enrich/apply,只接受控制台管理员会话);
@@ -40,6 +42,13 @@ export function enrichRoutes(app: ModuleApp, rt: () => SourcesRuntime): void {
     },
     async ({ params, body, actor, c }) => {
       const ctx = rt().ctx;
+      // ID-3:补全(网页搜索)之前先走识别升级链——站点详情页有 IMDb / TMDB / 豆瓣 ID 就能直接认出来,不必搜网页
+      const resolved = await escalateBeforeEnrich(rt(), params.id);
+      if (resolved)
+        throw new ApiException(
+          "conflict",
+          `站点详情页给出了作品 ID，已识别为《${resolved.title}》，不需要补全。刷新待识别列表查看`,
+        );
       try {
         return await ctx.capabilities.invoke(
           "metadata.enrich",
@@ -131,3 +140,32 @@ export function enrichRoutes(app: ModuleApp, rt: () => SourcesRuntime): void {
     return imageResponse(got, 86400 * 7);
   });
 }
+
+/**
+ * 池条目补全前的识别升级:资源还没抓过详情页、或已有豆瓣 ID 时,按手动重新识别走一次(允许抓详情);认出来返回作品。
+ * 升级失败不影响补全。
+ */
+async function escalateBeforeEnrich(r: SourcesRuntime, poolEntryId: string): Promise<{ title: string } | null> {
+  const db = r.ctx.db;
+  const row = await db
+    .selectFrom("identity_candidate as p")
+    .innerJoin("source_release as s", "s.id", "p.source_release_id")
+    .select(["s.id", "s.detail_fetched_at", "s.raw", "s.resolution_locked", "p.status"])
+    .where("p.id", "=", poolEntryId)
+    .executeTakeFirst();
+  if (row?.status !== "pending" || row.resolution_locked) return null;
+  if (row.detail_fetched_at && !siteExplicitIds(row.raw).some((x) => x.provider === "douban")) return null;
+  try {
+    const res = await resolveRelease(r, { sourceReleaseId: row.id, force: true, trigger: "manual", escalate: true });
+    if (res.outcome !== "auto" || !res.mediaEntityId) return null;
+    const e = await db
+      .selectFrom("media_entity")
+      .select(["title"])
+      .where("id", "=", res.mediaEntityId)
+      .executeTakeFirst();
+    return { title: e?.title ?? "?" };
+  } catch (e) {
+    r.ctx.logger.warn({ poolEntryId, err: { message: (e as Error).message } }, "补全前的识别升级失败");
+    return null;
+  }
+}

apps/server/src/modules/sources-identity/service/detail-page.ts

@@ -4,6 +4,7 @@ import { sql } from "@umt/db";
 import { sharedCache, storageSettings } from "../../../shared-cache.ts";
 import type { SourcesRuntime } from "../runtime.ts";
 import type { Exec } from "./common.ts";
+import { doubanSubjectFromDetail, saveDoubanSubject } from "./douban-subject.ts";
 
 // 站点详情页扩展内容(简介 / MediaInfo / 截图 / 外部 ID / 文件 / 标签 / 上传者):
 // - 只在按需抓详情时得到(工作台打开详情、release.inspect 复核),放 PG kv_cache region site.detail,
@@ -44,6 +45,12 @@ export async function saveDetailPage(
   };
   await sql`update source_release set raw = raw || jsonb_build_object('_detail', ${JSON.stringify(ids)}::jsonb)
              where id = ${srId}`.execute(exec);
+  // ID-3:详情页的豆瓣信息块(◎片名 / ◎年代)连同豆瓣 ID 存成豆瓣条目,只有豆瓣 ID 时按标题 + 年份匹配 TMDB
+  const subject = doubanSubjectFromDetail(page, `source_release:${srId}`, rt.now());
+  if (subject)
+    await saveDoubanSubject(rt.ctx, subject).catch((e) =>
+      rt.ctx.logger.warn({ err: { message: (e as Error).message } }, "豆瓣条目缓存写入失败"),
+    );
 }
 
 async function loadStored(rt: SourcesRuntime, srId: string): Promise<StoredPage | null> {

apps/server/src/modules/sources-identity/service/douban-subject.ts

@@ -0,0 +1,112 @@
+import { formatDetailPage } from "@umt/adapters";
+import { pgCacheFor } from "@umt/db";
+import type { ServerContext } from "../../types.ts";
+
+// ID-3 豆瓣条目缓存(kv_cache region douban.subject,key = 豆瓣 subject id):只存标题 / 别名 / 年份,供「详情页只有豆瓣 ID」时
+// 按标题 + 年份匹配 TMDB(对照 MP chain/media/projection.py 豆瓣 → TMDB:取豆瓣条目的原名 / 中文名 / 英文名 + 年份做 TMDB 名称匹配)。
+// 本工具不请求豆瓣页面或接口,条目只从已经拿到的数据里抽:
+// - site_detail:站点详情页的豆瓣信息块(◎片名 / ◎译名 / ◎年代,多数由 PT-Gen 从豆瓣生成),详情页同时给了豆瓣 ID 时写入;
+// - web_snippet:元数据补全(META-2)网页搜索结果里 douban.com/subject/<id> 的搜索标题与摘要。
+
+export const DOUBAN_SUBJECT_REGION = "douban.subject";
+const TTL_SEC = 30 * 86_400;
+const MAX_ENTRIES = 20_000;
+
+export interface DoubanSubject {
+  id: string;
+  /** 豆瓣显示名(通常是中文名) */
+  title: string;
+  /** 译名 / 又名 / 原名 */
+  aliases: string[];
+  year: number | null;
+  source: "site_detail" | "web_snippet";
+  /** 出处:站点资源 id 或搜索结果地址 */
+  ref: string;
+  at: string;
+}
+
+const okYear = (y: number) => y >= 1900 && y <= 2100;
+
+function splitNames(v: string | undefined): string[] {
+  return (v ?? "")
+    .split(/\s*\/\s*/)
+    .map((x) => x.trim())
+    .filter((x) => x.length > 0 && x.length <= 80);
+}
+
+/** 站点详情页信息块 → 豆瓣条目(需要详情页同时给出豆瓣 ID 与「片名」) */
+export function doubanSubjectFromDetail(
+  page: { doubanId?: string | null; descriptionText?: string | null },
+  ref: string,
+  now: Date,
+): DoubanSubject | null {
+  if (!page.doubanId || !page.descriptionText) return null;
+  const { infoBlock } = formatDetailPage({ descriptionText: page.descriptionText, mediaInfo: null, files: [] });
+  const get = (k: string) => infoBlock.find((x) => x.key === k)?.value?.trim();
+  const names = splitNames(get("片名"));
+  const title = names[0];
+  if (!title) return null;
+  const y = Number(/(?:19|20)\d{2}/.exec(get("年代") ?? get("年份") ?? get("上映日期") ?? "")?.[0]);
+  const aliases = [...new Set([...names.slice(1), ...splitNames(get("译名")), ...splitNames(get("又名"))])].filter(
+    (a) => a !== title,
+  );
+  return {
+    id: page.doubanId,
+    title,
+    aliases: aliases.slice(0, 10),
+    year: okYear(y) ? y : null,
+    source: "site_detail",
+    ref,
+    at: now.toISOString(),
+  };
+}
+
+/** 网页搜索结果(douban.com/subject/<id>)→ 豆瓣条目:标题「X (豆瓣)」,年份取标题里的 (2025) 或摘要「年份: 2025」 */
+export function doubanSubjectFromSnippet(
+  hit: { url: string; title?: string | null; snippet?: string | null },
+  now: Date,
+): DoubanSubject | null {
+  const id = /douban\.com\/(?:movie\/)?subject\/(\d{4,10})/.exec(hit.url)?.[1];
+  if (!id) return null;
+  let t = (hit.title ?? "")
+    .replace(/\s*[(（]豆瓣[)）]\s*$/, "")
+    .replace(/\s*[-_|]\s*豆瓣.*$/, "")
+    .trim();
+  const ty = /[(（]((?:19|20)\d{2})[)）]\s*$/.exec(t);
+  if (ty) t = t.slice(0, ty.index).trim();
+  if (!t || t === "豆瓣" || /^豆瓣/.test(t)) return null;
+  const s = hit.snippet ?? "";
+  const sy = /(?:年份|首播|上映日期)[:：]\s*((?:19|20)\d{2})/.exec(s)?.[1];
+  const y = Number(ty?.[1] ?? sy);
+  const alias = /又名[:：]\s*([^\n·|]{1,120})/.exec(s)?.[1];
+  return {
+    id,
+    title: t,
+    aliases: splitNames(alias).slice(0, 10),
+    year: okYear(y) ? y : null,
+    source: "web_snippet",
+    ref: hit.url,
+    at: now.toISOString(),
+  };
+}
+
+type Db = Pick<ServerContext, "db">;
+
+/** 写入缓存;站点详情来源优先(已有 site_detail 条目时不用搜索摘要覆盖) */
+export async function saveDoubanSubject(ctx: Db, s: DoubanSubject): Promise<void> {
+  const cache = pgCacheFor(ctx.db);
+  if (s.source === "web_snippet") {
+    const prev = await cache.get<DoubanSubject>(DOUBAN_SUBJECT_REGION, s.id);
+    if (prev?.source === "site_detail") return;
+  }
+  await cache.set(DOUBAN_SUBJECT_REGION, s.id, s, { ttl: TTL_SEC, maxsize: MAX_ENTRIES });
+}
+
+export async function loadDoubanSubject(ctx: Db, id: string): Promise<DoubanSubject | null> {
+  try {
+    const v = await pgCacheFor(ctx.db).get<DoubanSubject>(DOUBAN_SUBJECT_REGION, id);
+    return v && typeof v.title === "string" && v.title ? v : null;
+  } catch {
+    return null;
+  }
+}

apps/server/src/modules/sources-identity/service/enrich.ts

@@ -22,6 +22,7 @@ import type { ServerContext } from "../../types.ts";
 import { jsonb } from "../rows.ts";
 import type { SourcesRuntime } from "../runtime.ts";
 import { type Actor, audit, type Exec } from "./common.ts";
+import { type DoubanSubject, doubanSubjectFromSnippet, saveDoubanSubject } from "./douban-subject.ts";
 import {
   baseConfidence,
   type Candidate,
@@ -490,6 +491,7 @@ export async function suggestEnrichment(
       .returningAll()
       .executeTakeFirstOrThrow();
 
+  const doubanSubjects: DoubanSubject[] = [];
   try {
     const r = await runEnrichPipeline(
       deps,
@@ -499,10 +501,15 @@ export async function suggestEnrichment(
         sites: await siteHosts(ctx),
         id: row.id,
         logger: ctx.logger,
+        doubanSubjects,
         ...(opts.signal ? { signal: opts.signal } : {}),
       },
       usage,
     );
+    for (const ds of doubanSubjects)
+      await saveDoubanSubject(ctx, ds).catch((e) =>
+        ctx.logger.warn({ err: { message: (e as Error).message } }, "豆瓣条目缓存写入失败"),
+      );
     if (!r.found) {
       const failed = await finish({ status: "failed", suggestion: r.suggestion, error: r.error });
       return toOutput(failed, false, await budgetOf(), await sameTitleEntities(ctx.db, [q.title]));
@@ -540,6 +547,8 @@ export interface PipelineInput {
   id: string;
   logger: Pick<ServerContext["logger"], "warn">;
   signal?: AbortSignal;
+  /** ID-3:搜索结果里的豆瓣条目(douban.com/subject/<id> 的标题 / 年份)收集到这里,由调用方写豆瓣条目缓存 */
+  doubanSubjects?: DoubanSubject[];
 }
 
 export interface PipelineResult {
@@ -598,6 +607,10 @@ export async function runEnrichPipeline(
       // 白名单外的网站一律按「其它网站的搜索摘要」处理(不读网页)
       const kind: SourceKind = listed ? sourceKindOf(host, settings.domains) : "snippet";
       kindOf.set(h.url, kind);
+      if (input.doubanSubjects && /(^|\.)douban\.com$/.test(host)) {
+        const ds = doubanSubjectFromSnippet(h, new Date());
+        if (ds && !input.doubanSubjects.some((x) => x.id === ds.id)) input.doubanSubjects.push(ds);
+      }
       const snippetOnly = kind === "douban";
       const allowed = listed && !snippetOnly;
       const src: EnrichSource = {

apps/server/src/modules/sources-identity/service/id-escalation.ts

@@ -0,0 +1,155 @@
+import { type MetadataCandidate, recallTmdbCandidates } from "@umt/adapters";
+import { type SourceReleaseRow, sql } from "@umt/db";
+import { type ParsedRelease, parseRelease } from "@umt/domain";
+import type { SourcesRuntime } from "../runtime.ts";
+import type { siteExplicitIds } from "./detail-page.ts";
+import { type DoubanSubject, loadDoubanSubject } from "./douban-subject.ts";
+import { refreshReleaseDetail } from "./snapshot.ts";
+import { tmdbRecallInput } from "./tmdb-candidate.ts";
+
+// ID-3 识别升级链:标题识别结果为 ambiguous / no_match 时,站点资源有详情页且还没抓过 → 抓详情(走站点详情缓存与共享限流器,
+// 失败不阻塞)→ 取 IMDb / TMDB / 豆瓣 ID → TMDB 详情 / find(豆瓣 ID 经已缓存的豆瓣条目按标题 + 年份匹配)→ 重新打分。
+// 触发范围克制:搜索结果、订阅相关的候选(命中订阅 / 本地作品别名)、池条目补全、手动重新识别;RSS 批量入库不抓,
+// 留给上述时机。每站每小时上限 identity.detailIdsPerSiteHour(缺省 10,0 = 不抓),计数在 kv_cache region identity.detail_ids。
+
+export const ESCALATION_COUNTER_REGION = "identity.detail_ids";
+export const DEFAULT_DETAIL_IDS_PER_SITE_HOUR = 10;
+/** 抓详情失败后多久内不再为识别重抓(站点错误 / 限流) */
+const RETRY_AFTER_FAILURE_MS = 6 * 3600_000;
+
+export type SiteIds = ReturnType<typeof siteExplicitIds>;
+
+/** 记在 source_release.raw._escalation:最近一次为识别抓详情的结果 */
+interface EscalationMark {
+  at: string;
+  status: "fetched" | "failed";
+  error?: string;
+}
+
+export type DetailFetchResult =
+  | { status: "fetched"; release: SourceReleaseRow }
+  | {
+      status: "skipped";
+      reason: "disabled" | "already_fetched" | "no_detail" | "site_unavailable" | "recent_failure";
+    }
+  | { status: "deferred"; reason: "cap_reached" }
+  /** 抓了但失败:不阻塞识别,照常往下走(6 小时内不再为识别重抓) */
+  | { status: "failed"; reason: "fetch_failed"; error: string };
+
+export async function detailIdsPerSiteHour(rt: SourcesRuntime): Promise<number> {
+  const s = await rt.ctx.settings.get("identity").catch(() => null);
+  return s?.detailIdsPerSiteHour ?? DEFAULT_DETAIL_IDS_PER_SITE_HOUR;
+}
+
+/**
+ * 每站每小时计数:原子地占一个名额;已满返回 false。kv_cache 是 UNLOGGED 表,PG 崩溃丢计数只会让这一小时多抓几个,可接受。
+ */
+export async function takeEscalationSlot(rt: SourcesRuntime, siteId: string, cap: number): Promise<boolean> {
+  if (cap <= 0) return false;
+  const hour = Math.floor(rt.now().getTime() / 3_600_000);
+  const r = await sql<{ n: number }>`
+    insert into kv_cache (region, key, value, expires_at, updated_at, accessed_at)
+    values (${ESCALATION_COUNTER_REGION}, ${`${siteId}:${hour}`}, '1'::jsonb, now() + interval '2 hours', now(), now())
+    on conflict (region, key) do update set value = to_jsonb((kv_cache.value #>> '{}')::int + 1), updated_at = now()
+      where (kv_cache.value #>> '{}')::int < ${cap}
+    returning (value #>> '{}')::int as n`.execute(rt.ctx.db);
+  return r.rows.length > 0;
+}
+
+/** 这一小时该站点已为识别抓了多少个详情页 */
+export async function escalationCount(rt: SourcesRuntime, siteId: string): Promise<number> {
+  const hour = Math.floor(rt.now().getTime() / 3_600_000);
+  const r = await sql<{ n: number }>`select (value #>> '{}')::int as n from kv_cache
+    where region = ${ESCALATION_COUNTER_REGION} and key = ${`${siteId}:${hour}`} and expires_at > now()`.execute(
+    rt.ctx.db,
+  );
+  return Number(r.rows[0]?.n ?? 0);
+}
+
+function markOf(raw: unknown): EscalationMark | null {
+  const m = ((raw ?? {}) as { _escalation?: EscalationMark })._escalation;
+  return m && typeof m.at === "string" ? m : null;
+}
+
+async function mark(rt: SourcesRuntime, srId: string, m: EscalationMark): Promise<void> {
+  await sql`update source_release set raw = raw || jsonb_build_object('_escalation', ${JSON.stringify(m)}::jsonb)
+             where id = ${srId}`.execute(rt.ctx.db);
+}
+
+/**
+ * 为识别抓一次详情页(只在还没抓过时)。走 refreshReleaseDetail:站点详情缓存、共享限流器、请求计数、凭据失效处理都照旧;
+ * 失败只记在 raw._escalation,6 小时内不再为识别重抓,不抛错。
+ */
+export async function fetchDetailForIds(rt: SourcesRuntime, release: SourceReleaseRow): Promise<DetailFetchResult> {
+  if (release.detail_fetched_at) return { status: "skipped", reason: "already_fetched" };
+  const prev = markOf(release.raw);
+  if (prev?.status === "failed" && rt.now().getTime() - Date.parse(prev.at) < RETRY_AFTER_FAILURE_MS)
+    return { status: "skipped", reason: "recent_failure" };
+  const cap = await detailIdsPerSiteHour(rt);
+  if (cap <= 0) return { status: "skipped", reason: "disabled" };
+  const site = await rt.ctx.db.selectFrom("site").selectAll().where("id", "=", release.site_id).executeTakeFirst();
+  if (!site?.enabled || site.health_status === "failing") return { status: "skipped", reason: "site_unavailable" };
+  try {
+    if (!rt.siteAdapter(site).capabilities.detail) return { status: "skipped", reason: "no_detail" };
+  } catch {
+    return { status: "skipped", reason: "no_detail" };
+  }
+  if (!(await takeEscalationSlot(rt, site.id, cap))) return { status: "deferred", reason: "cap_reached" };
+  const err = await refreshReleaseDetail(rt, release.id).catch((e) => (e as Error).message);
+  const at = rt.now().toISOString();
+  if (err) {
+    await mark(rt, release.id, { at, status: "failed", error: err.slice(0, 300) });
+    rt.ctx.logger.info({ sourceReleaseId: release.id, err }, "识别升级时抓详情页失败");
+    return { status: "failed", reason: "fetch_failed", error: err };
+  }
+  await mark(rt, release.id, { at, status: "fetched" });
+  const fresh = await rt.ctx.db
+    .selectFrom("source_release")
+    .selectAll()
+    .where("id", "=", release.id)
+    .executeTakeFirst();
+  return fresh ? { status: "fetched", release: fresh } : { status: "skipped", reason: "site_unavailable" };
+}
+
+/** 新拿到的 ID(不在旧集合里的) */
+export function newIds(before: SiteIds, after: SiteIds): SiteIds {
+  return after.filter((a) => !before.some((b) => b.provider === a.provider && b.id === a.id));
+}
+
+/**
+ * 豆瓣 ID → 缓存的豆瓣条目 → 按条目标题 / 别名 + 年份召回 TMDB 候选(对照 MP 豆瓣 → TMDB 投影:原名 / 中文名 / 英文名 + 年份)。
+ * 打分用的解析 = 豆瓣条目的名称与年份,季集与类型线索沿用资源标题的解析。缓存里没有这个条目 → null(不请求豆瓣)。
+ */
+export async function doubanRecall(
+  rt: SourcesRuntime,
+  parsed: ParsedRelease,
+  doubanId: string,
+): Promise<{ subject: DoubanSubject; parsed: ParsedRelease; remote: MetadataCandidate[] } | null> {
+  const subject = await loadDoubanSubject(rt.ctx, doubanId);
+  if (!subject) return null;
+  const tmdb = await rt.tmdb();
+  if (!tmdb) return null;
+  const p = doubanParsed(parsed, subject);
+  const remote = await recallTmdbCandidates(tmdb, tmdbRecallInput(p));
+  return { subject, parsed: p, remote };
+}
+
+const CJK = /[㐀-鿿]/;
+
+/** 豆瓣条目 + 资源解析 → 打分用的解析(名称 / 年份取豆瓣,季集 / 类型取资源) */
+export function doubanParsed(parsed: ParsedRelease, s: DoubanSubject): ParsedRelease {
+  const names = [s.title, ...s.aliases];
+  const cn = names.find((n) => CJK.test(n));
+  const en = names.find((n) => !CJK.test(n) && /[A-Za-z]/.test(n));
+  const base = parseRelease(s.title);
+  return {
+    ...parsed,
+    title: cn ?? en ?? base.title ?? s.title,
+    ...(cn ? { titleCn: cn } : {}),
+    ...(en ? { titleEn: en } : {}),
+    altTitles: names.filter((n) => n !== cn && n !== en).slice(0, 8),
+    ...(s.year !== null ? { year: s.year } : {}),
+    explicitIds: [...parsed.explicitIds],
+    evidence: [...parsed.evidence, "douban_subject"],
+  };
+}

apps/server/src/modules/sources-identity/service/resolve.ts

@@ -12,6 +12,7 @@ import {
   queryTitles,
   type RankedCandidate,
   resolveIdentity,
+  scoreCandidate,
 } from "@umt/domain";
 import {
   localIdentityCandidate,
@@ -34,6 +35,7 @@ import {
   looksLikeVariety,
   resolveEntityId,
 } from "./entities.ts";
+import { doubanRecall, fetchDetailForIds, newIds } from "./id-escalation.ts";
 import { detachFromIdentityDecisions, openGroupDecision, refreshGroupDecision } from "./identity-decisions.ts";
 import { tmdbRecallInput, tmdbToCandidate } from "./tmdb-candidate.ts";
 import { loadRecognizeCache, type RecognizeMeta, recognizeMetaOf, saveRecognizeCache } from "./tmdb-recognize-cache.ts";
@@ -63,6 +65,11 @@ export interface ResolveInput {
    * manual / search 总是查 TMDB;observed / review 只在命中本地别名、新作品收录规则或设置打开时查。
    */
   trigger?: ResolveTrigger | undefined;
+  /**
+   * ID-3:标题识别不确定时允许抓站点详情页取 ID(识别升级链)。缺省按 trigger 判断(manual / search / 订阅相关的复查);
+   * 池条目补全前由调用方显式打开。
+   */
+  escalate?: boolean | undefined;
 }
 
 /**
@@ -217,6 +224,108 @@ async function tmdbByExplicitIds(
   return found;
 }
 
+/** 站点给出的 IMDb / TMDB ID 作为强证据(ID-3,domain MatchOptions.trustedIds);豆瓣 ID 不直接对应 TMDB 候选 */
+function trustedOf(ids: ReturnType<typeof siteExplicitIds>) {
+  return { trustedIds: ids.filter((x) => x.provider !== "douban").map((x) => ({ provider: x.provider, id: x.id })) };
+}
+
+/** 识别升级链的证据(记在 resolution_evidence.escalation 与池条目 query.escalation) */
+export interface EscalationEvidence {
+  /** 详情页:fetched 本次抓到;skipped:<原因>;deferred:cap_reached(稍后复查时再抓);failed:fetch_failed;not_now:<原因>(本次不抓) */
+  detail: string;
+  /** 最后用上的路径:site_id(详情 / 列表的 IMDb、TMDB)/ douban(豆瓣条目 → 标题 + 年份) */
+  via: "site_id" | "douban" | null;
+  /** 抓详情后资源上的外部 ID */
+  ids: string[];
+  /** 本次没抓、之后还会抓(每站每小时限额已满 / RSS 入库时不抓):不开待处理,尽快复查。抓了失败的不算(不阻塞) */
+  pending: boolean;
+  /** 豆瓣条目(豆瓣路径) */
+  douban?: { id: string; title: string; year: number | null; source: string };
+}
+
+/**
+ * 什么时候允许为识别抓详情页:搜索结果、手动重新识别、调用方显式要求(池条目补全)、订阅相关的候选(命中订阅 / 本地作品别名)
+ * 的复查、上次因限额 / 入库时机而推迟的复查。RSS / 列表批量入库(observed)不抓,推迟到复查。
+ */
+function escalationFetchPolicy(
+  trigger: ResolveTrigger,
+  lookup: LookupReason,
+  input: ResolveInput,
+  prevQuery: unknown,
+): "fetch" | "defer" | "no" {
+  if (input.escalate === false) return "no";
+  if (input.escalate || trigger === "manual" || trigger === "search") return "fetch";
+  const prev = ((prevQuery ?? {}) as { escalation?: { pending?: boolean } }).escalation;
+  if (trigger === "review" && (lookup === "tracked_alias" || prev?.pending)) return "fetch";
+  if (trigger === "observed" && lookup === "tracked_alias") return "defer";
+  return "no";
+}
+
+interface EscalationOutcome {
+  evidence: EscalationEvidence;
+  resolution?: IdentityResolution;
+  remote?: MetadataCandidate[];
+  parsed?: ParsedRelease;
+}
+
+/**
+ * ID-3 识别升级链:抓详情(按策略)→ 新拿到的 IMDb / TMDB → TMDB 详情 / find → 打分;还不能确认且有豆瓣 ID →
+ * 缓存的豆瓣条目按标题 + 年份召回 TMDB → 打分。返回更好的一次结果(auto 优先),都没有就只带证据。
+ */
+async function escalateIdentity(
+  rt: SourcesRuntime,
+  release: SourceReleaseRow,
+  parsed: ParsedRelease,
+  local: DomainCandidate[],
+  siteIds: ReturnType<typeof siteExplicitIds>,
+  policy: "fetch" | "defer",
+): Promise<EscalationOutcome> {
+  const ev: EscalationEvidence = { detail: "not_now", via: null, ids: [], pending: false };
+  let raw = release.raw;
+  if (policy === "fetch") {
+    const f = await fetchDetailForIds(rt, release);
+    ev.detail = f.status === "fetched" ? "fetched" : `${f.status}:${f.reason}`;
+    if (f.status === "fetched") raw = f.release.raw;
+    if (f.status === "deferred") ev.pending = true;
+  } else if (!release.detail_fetched_at) {
+    ev.detail = "not_now:batch_ingest";
+    ev.pending = true;
+  } else ev.detail = "skipped:already_fetched";
+  const after = siteExplicitIds(raw);
+  ev.ids = after.map((x) => `${x.provider}:${x.id}`);
+  const tmdb = await rt.tmdb();
+  if (!tmdb) return { evidence: ev };
+  let best: EscalationOutcome | null = null;
+  // 1) 新拿到的 IMDb / TMDB(列表上已有的在第一轮已用过)
+  const added = newIds(siteIds, after).filter((x) => x.provider !== "douban");
+  if (added.length) {
+    const p: ParsedRelease = { ...parsed, explicitIds: [...parsed.explicitIds] };
+    for (const x of after)
+      if (!p.explicitIds.some((e) => e.provider === x.provider)) p.explicitIds.push({ provider: x.provider, id: x.id });
+    const remote = await tmdbByExplicitIds(tmdb, after);
+    if (remote.length) {
+      const res = resolveIdentity(p, [...local, ...remote.map(tmdbToCandidate)], trustedOf(after));
+      best = { evidence: ev, resolution: res, remote, parsed: p };
+      ev.via = "site_id";
+      if (res.status === "auto") return best;
+    }
+  }
+  // 2) 豆瓣 ID → 缓存的豆瓣条目(标题 + 年份)→ TMDB
+  const douban = after.find((x) => x.provider === "douban");
+  if (douban) {
+    const d = await doubanRecall(rt, parsed, douban.id);
+    if (d) {
+      ev.douban = { id: d.subject.id, title: d.subject.title, year: d.subject.year, source: d.subject.source };
+      const res = resolveIdentity(d.parsed, [...local, ...d.remote.map(tmdbToCandidate)]);
+      if (res.status === "auto" || !best || (best.resolution?.status === "no_match" && res.status !== "no_match")) {
+        ev.via = "douban";
+        best = { evidence: ev, resolution: res, remote: d.remote, parsed: d.parsed };
+      }
+    }
+  }
+  return best ?? { evidence: ev };
+}
+
 async function loadRelease(rt: SourcesRuntime, input: ResolveInput) {
   const { db } = rt.ctx;
   const observationId = input.observationId ?? null;
@@ -291,13 +400,14 @@ export async function resolveRelease(rt: SourcesRuntime, input: ResolveInput): P
     return toPool(rt, release, observationId, parsed, null, [], "unmatched", "unparseable_title", null, {
       tracked: false,
       lookup: null,
+      escalation: null,
     });
   }
 
   // 召回:本地优先;TMDB 只在有理由时查(惰性识别),查询失败不等于无结果
   const local = await localCandidates(ctx.db, parsed, release);
   const lookup = await lookupReason(rt, parsed, trigger, local.length > 0, pool?.reason ?? null);
-  const scope = { tracked: local.length > 0, lookup };
+  const scope: ResolveScope = { tracked: local.length > 0, lookup, escalation: null };
   if (!lookup) {
     // 不相关的资源:只进池(可检索、可手动指定),不查 TMDB、不开待处理
     return toPool(rt, release, observationId, parsed, null, [], "unmatched", "no_local_match", null, scope);
@@ -314,7 +424,7 @@ export async function resolveRelease(rt: SourcesRuntime, input: ResolveInput): P
     lookupError = `${e.kind}: ${e.message}`;
   }
   const candidates = [...local, ...remote.map(tmdbToCandidate)];
-  const resolution = resolveIdentity(parsed, candidates);
+  let resolution = resolveIdentity(parsed, candidates, trustedOf(siteIds));
   // 识别缓存回写(MP TmdbCache.update):识别到 TMDB 条目写正常条目,确认无匹配写负缓存;TMDB 出错 / 有歧义不写
   if (recognize.meta && !recognize.cacheHit && !lookupError) {
     const top = resolution.status === "auto" ? resolution.best?.candidate : undefined;
@@ -325,7 +435,29 @@ export async function resolveRelease(rt: SourcesRuntime, input: ResolveInput): P
     const info = hit ?? (resolution.status === "no_match" ? null : undefined);
     await saveRecognizeCache(rt, recognize.meta, info);
   }
-  const version = evidenceVersion(parsed, resolution.ranked);
+
+  // ID-3 识别升级链:标题认不准时用站点详情页的 IMDb / TMDB / 豆瓣 ID 再认一次
+  let escalation: EscalationEvidence | null = null;
+  let scored = parsed;
+  if (resolution.status !== "auto" && !lookupError) {
+    const policy = escalationFetchPolicy(trigger, lookup, input, pool?.query);
+    if (policy !== "no") {
+      try {
+        const up = await escalateIdentity(rt, release, parsed, local, siteIds, policy);
+        escalation = up.evidence;
+        if (up.resolution && up.remote && up.parsed) {
+          resolution = up.resolution;
+          remote = up.remote;
+          scored = up.parsed;
+        }
+      } catch (e) {
+        if (!(e instanceof TmdbError)) throw e;
+        lookupError = `${e.kind}: ${e.message}`;
+      }
+    }
+  }
+  const version = evidenceVersion(scored, resolution.ranked);
+  scope.escalation = escalation;
 
   // 已识别且证据未变:幂等短路(强制复查时)
   if (
@@ -366,7 +498,18 @@ export async function resolveRelease(rt: SourcesRuntime, input: ResolveInput): P
         }
       }
     }
-    return bindAuto(rt, release, observationId, parsed, cols, resolution, version, detailed ?? null, lookup);
+    return bindAuto(
+      rt,
+      release,
+      observationId,
+      parsed,
+      cols,
+      resolution,
+      version,
+      detailed ?? null,
+      lookup,
+      escalation,
+    );
   }
 
   if (resolution.status === "auto" && !autoAccept) {
@@ -514,9 +657,12 @@ async function bindAuto(
   version: string,
   tmdbDetail: MetadataCandidate | null,
   lookup: LookupReason,
+  escalation: EscalationEvidence | null = null,
 ): Promise<ResolveResult> {
   const { ctx } = rt;
   const best = resolution.best!;
+  // 别名登记按资源自己的标题判断(升级链靠 ID / 豆瓣名确认的,站点标题未必对得上;ID-2 / FIX-5 守卫照旧)
+  const aliasBest = escalation?.via ? scoreCandidate(parsed, best.candidate) : best;
   const level: EvidenceLevel = toContractEvidenceLevel(best.level) ?? "needs_review";
   const site = ((release.raw as Record<string, unknown>)?._site ?? {}) as { categoryName?: string };
   const variety = looksLikeVariety(parsed, site.categoryName ?? release.category_raw);
@@ -558,8 +704,8 @@ async function bindAuto(
         // 站点标题作为别名:下次同名资源可直接本地召回。只在名称本身命中过(不是仅靠别名单线命中)时登记,
         // 且通用词(分类词 / 单字 / 停用词)不登记,避免错误别名链式扩散(ID-2)。
         // FIX-5:证据等级非最高、年份不相容、与已确认外部标题冲突、已属于别的作品的名称也不登记(alias-guard.ts)
-        const aliasOutcome: SiteAliasOutcome = siteAliasAllowed(best)
-          ? await addSiteAliases(trx, entityId, best, parsed)
+        const aliasOutcome: SiteAliasOutcome = siteAliasAllowed(aliasBest)
+          ? await addSiteAliases(trx, entityId, aliasBest, parsed)
           : { added: [], skipped: [] };
 
         const evidence = {
@@ -569,6 +715,7 @@ async function bindAuto(
           best: rankedSummary(best),
           candidateCount: resolution.ranked.length,
           lookup,
+          ...(escalation ? { escalation } : {}),
         };
         await trx
           .updateTable("source_release")
@@ -669,8 +816,13 @@ type PoolReason = "ambiguous" | "no_match" | "proposed" | "lookup_failed" | "unm
 interface ResolveScope {
   tracked: boolean;
   lookup: LookupReason | null;
+  /** ID-3 识别升级链的证据(没走升级链为 null) */
+  escalation: EscalationEvidence | null;
 }
 
+/** 推迟的升级(限额已满 / 入库时不抓)多久后复查 */
+const ESCALATION_RETRY_MS = 15 * 60_000;
+
 async function toPool(
   rt: SourcesRuntime,
   release: SourceReleaseRow,
@@ -701,6 +853,7 @@ async function toPool(
     season: parsed.season ?? null,
     episodes: parsed.episodes ?? null,
     lookup: scope.lookup,
+    ...(scope.escalation ? { escalation: scope.escalation } : {}),
   };
   const contractStatus =
     reason === "proposed"
@@ -717,7 +870,10 @@ async function toPool(
       .executeTakeFirst();
     // 证据版本变化 = 新证据:从头计数;同一证据反复复查按退避递增,达上限停止自动复查(仍可检索)
     const attempts = prev && prev.evidence_version === version ? prev.attempts + 1 : 1;
-    const delay = reviewDelayMs(reason, attempts);
+    const baseDelay = reviewDelayMs(reason, attempts);
+    // 升级链推迟了(还能拿到 ID):尽快复查,不受退避上限影响
+    const pendingEscalation = scope.escalation?.pending === true;
+    const delay = pendingEscalation ? Math.min(baseDelay ?? ESCALATION_RETRY_MS, ESCALATION_RETRY_MS) : baseDelay;
     const nextReviewAt = delay === null ? null : new Date(now.getTime() + delay);
 
     const evidence = {
@@ -729,10 +885,14 @@ async function toPool(
       query,
     };
     // 只收相关的:查过 TMDB 仍有歧义(有候选可选),或与本地作品相关却无结果 / 查询失败且复查已停
-    const wantsDecision =
-      reason === "ambiguous" || reason === "proposed"
+    // ID-3:能从站点拿到 ID 的资源不开"没识别出作品":升级链还在推迟中(之后会抓详情)不开任何事项;
+    // 资源上已有 IMDb / TMDB / 豆瓣 ID 却仍无结果的,不开 identity_unresolved(只留在池里,可手动指定)
+    const hasSiteIds = siteExplicitIds(release.raw).length > 0 || (scope.escalation?.ids.length ?? 0) > 0;
+    const wantsDecision = pendingEscalation
+      ? false
+      : reason === "ambiguous" || reason === "proposed"
         ? candidates.length > 0
-        : scope.tracked && (reason === "no_match" || (reason === "lookup_failed" && delay === null));
+        : scope.tracked && !hasSiteIds && (reason === "no_match" || (reason === "lookup_failed" && delay === null));
     let decisionId: string | null = null;
     if (wantsDecision) {
       const ambiguous = (reason === "ambiguous" || reason === "proposed") && candidates.length > 0;
@@ -791,6 +951,7 @@ async function toPool(
           evidenceVersion: version,
           candidateCount: candidates.length,
           lookup: scope.lookup,
+          ...(scope.escalation ? { escalation: scope.escalation } : {}),
         }),
       })
       .where("id", "=", release.id)