diff --git a/apps/server/src/modules/acquisition-organize/services/organize.ts b/apps/server/src/modules/acquisition-organize/services/organize.ts
index f008c39f..1396bfd3 100644
--- a/apps/server/src/modules/acquisition-organize/services/organize.ts
+++ b/apps/server/src/modules/acquisition-organize/services/organize.ts
@@ -80,6 +80,21 @@ export interface ImportRequest {
   slotId?: string | undefined;
   /** W5-A2 原样搬运(文件管理 移动/复制):保持文件名与目录结构,不识别作品、不登记新资产,已登记位置跟随 */
   transfer?: TransferSpec | undefined;
+  /** W9-H 主视频最小体积(字节),低于的排除为 too_small;缺省取端口选项 minVideoBytes */
+  minSizeBytes?: number | undefined;
+  /** W9-H 命名方式:template(默认)按模板;keep 保留原文件名(目录仍按模板/绑定/targetDir) */
+  namingMode?: NamingMode | undefined;
+  /** W9-H 调用方声明的命名模板来源(本次覆写等);缺省按模板层级推断,冻结进 plan.naming */
+  namingSource?: NamingSourceTag | undefined;
+}
+
+export type NamingMode = "template" | "keep";
+export type NamingSourceTag = "entity" | "root" | "global" | "override";
+/** W9-H:冻结计划里的命名记录(organization_record.plan.naming) */
+export interface FrozenNaming {
+  mode: NamingMode;
+  templateSource: NamingSourceTag;
+  templateVersion: number | null;
 }
 
 export interface FileOverrideInput {
@@ -117,6 +132,8 @@ export interface FrozenPlan {
   slotId?: string;
   /** W5-A2:原样搬运计划(finalize 走 finalizeTransfer) */
   transfer?: FrozenTransfer;
+  /** W9-H:命名方式与模板来源/版本 */
+  naming?: FrozenNaming;
 }
 
 export interface PlanResult {
@@ -504,7 +521,7 @@ export async function planImport(d: AoDeps, req: ImportRequest): Promise<PlanRes
     },
     target: { ...target, ...(health.kind === "online" ? { device: health.dev } : {}) },
     retention: { hnrSatisfied: hnr },
-    minVideoBytes: d.ports.options.minVideoBytes,
+    minVideoBytes: req.minSizeBytes ?? d.ports.options.minVideoBytes,
     ...(req.fileOverrides ? { overrides: req.fileOverrides } : {}),
     ...(d.ctx.config?.ORGANIZE_DEFAULT_SUBTITLE_LANG
       ? { defaultSubtitleLang: d.ctx.config.ORGANIZE_DEFAULT_SUBTITLE_LANG }
@@ -513,10 +530,13 @@ export async function planImport(d: AoDeps, req: ImportRequest): Promise<PlanRes
     onExisting: req.onExisting ?? d.ctx.config?.ORGANIZE_ON_EXISTING ?? "conflict",
     ...(req.grantReplace ? { grants: { replace: true } } : {}),
   } as const;
+  const keepNames = req.namingMode === "keep";
   const draft = planOrganize({ ...baseInput, existingTargets: [] });
   const existing: ExistingTarget[] = [];
   for (const f of draft.files) {
-    const st = await statSafe(f.dst);
+    // keep:按保留原名后的真实目标观察存在性,仍以模板目标为键交给域层判定策略,之后统一改名
+    const probe = keepNames ? keptDst(f) : f.dst;
+    const st = await statSafe(probe);
     if (st.kind === "missing") continue;
     if (st.kind !== "ok") {
       existing.push({ path: f.dst, size: -1 });
@@ -525,13 +545,14 @@ export async function planImport(d: AoDeps, req: ImportRequest): Promise<PlanRes
     const e: ExistingTarget = { path: f.dst, size: st.facts.size };
     if (st.facts.size === f.size) {
       // 同尺寸已存在的目标:全量 sha256 判定是否同一文件(子进程,见 adapters sha256Full)
-      e.sha256 = (await sha256Full(f.dst)).digest;
+      e.sha256 = (await sha256Full(probe)).digest;
       const src = files.find((x) => x.path === f.src);
       if (src) src.sha256 = (await sha256Full(src.path)).digest;
     }
     existing.push(e);
   }
   const plan = planOrganize({ ...baseInput, files, existingTargets: existing });
+  if (keepNames) keepOriginalNames(plan);
   const frozen: FrozenPlan = {
     version: 1,
     organize: plan,
@@ -546,6 +567,12 @@ export async function planImport(d: AoDeps, req: ImportRequest): Promise<PlanRes
     facts,
     ...(downgradedFromMove ? { downgradedFromMove } : {}),
     ...(req.slotId ? { slotId: req.slotId } : {}),
+    naming: {
+      mode: keepNames ? "keep" : "template",
+      // 模板层级(作品/库根/全局)接入前只有全局默认模板;保留原文件名 = 本次覆写
+      templateSource: req.namingSource ?? (keepNames ? "override" : "global"),
+      templateVersion: DEFAULT_TEMPLATES.version,
+    },
   };
   const drafts = organizePlanToFileResults(plan, { targetLibraryRootId: root.id });
   const blocking = plan.conflicts.filter((c) => c.blocking);
@@ -646,6 +673,28 @@ export async function planImport(d: AoDeps, req: ImportRequest): Promise<PlanRes
   return result;
 }
 
+/** W9-H 保留原文件名:目标目录不变,文件名取源文件名 */
+const keptDst = (f: { src: string; dst: string }) => join(dirname(f.dst), basename(f.src));
+
+/** W9-H 保留原文件名:改写计划目标;改写后撞名的项转 hold + duplicate_target(阻塞) */
+function keepOriginalNames(plan: OrganizePlan): void {
+  const renamed = new Map<string, string>();
+  for (const f of plan.files) {
+    const kept = keptDst(f);
+    renamed.set(f.dst, kept);
+    f.dst = kept;
+  }
+  for (const c of plan.conflicts) if (c.dst && renamed.has(c.dst)) c.dst = renamed.get(c.dst)!;
+  const byDst = new Map<string, OrganizePlan["files"]>();
+  for (const f of plan.files) byDst.set(f.dst, [...(byDst.get(f.dst) ?? []), f]);
+  for (const [dst, fs] of byDst) {
+    if (fs.length < 2 || plan.conflicts.some((c) => c.kind === "duplicate_target" && c.dst === dst)) continue;
+    for (const f of fs) f.action = "hold";
+    plan.conflicts.push({ kind: "duplicate_target", blocking: true, dst, detail: fs.map((f) => f.src).join(" | ") });
+  }
+  plan.requiresApproval = plan.conflicts.some((c) => c.blocking);
+}
+
 async function writeFailedRecord(
   d: AoDeps,
   r: {
diff --git a/apps/server/src/modules/file-manager/candidate.ts b/apps/server/src/modules/file-manager/candidate.ts
new file mode 100644
index 00000000..536d686d
--- /dev/null
+++ b/apps/server/src/modules/file-manager/candidate.ts
@@ -0,0 +1,34 @@
+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 { actorOfP, FilesError, type FmDeps } from "./common.ts";
+import { audit } from "./ledger.ts";
+
+// G1:整理向导选中"仅 TMDB 候选"作品 → 就地建本地作品 + 外部映射(accepted/manual)+ 季集单元,返回 entityId。
+// 幂等(同 TMDB id 已有映射即复用);/files/organize 的 external 项与独立端点共用。
+
+const actorOf = (p: Principal | undefined) => ({
+  type: p?.kind === "api_key" ? ("api_key" as const) : ("user" as const),
+  id: actorOfP(p),
+});
+
+export async function entityFromCandidate(
+  d: FmDeps,
+  principal: Principal | undefined,
+  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 });
+    return r;
+  } catch (e) {
+    if (e instanceof CandidateError)
+      throw new FilesError(
+        e.reason === "not_found" ? "not_found" : e.reason === "upstream" ? "upstream" : "bad_request",
+        e.message,
+      );
+    throw e;
+  }
+}
+
+export const externalKey = (x: FilesExternalCandidate) => `${x.provider}:${x.kind}:${x.externalId}`;
diff --git a/apps/server/src/modules/file-manager/common.ts b/apps/server/src/modules/file-manager/common.ts
index 52e0b0bf..bc5a2448 100644
--- a/apps/server/src/modules/file-manager/common.ts
+++ b/apps/server/src/modules/file-manager/common.ts
@@ -1,7 +1,7 @@
 import { createHash } from "node:crypto";
 import { lstat, realpath, stat } from "node:fs/promises";
 import { basename, dirname, join, sep } from "node:path";
-import { checkRoot, DEFAULT_ROOT_SENTINEL } from "@umt/adapters";
+import { checkRoot, DEFAULT_ROOT_SENTINEL, type TmdbClient } from "@umt/adapters";
 import type { ApiErrorCode, FileRootId, FilesErrorReason } from "@umt/contracts";
 import type { LibraryRootRow } from "@umt/db";
 import type { Principal } from "../../http/auth.ts";
@@ -43,6 +43,8 @@ export interface FmDeps {
   /** acquisition-organize 的服务依赖(planImport / 守卫 / 授权 / 端口复用) */
   ao: AoDeps;
   options: FmOptions;
+  /** W9-H(G1):TMDB 客户端(按 TMDB 候选建作品);未配置返回 null */
+  tmdb: () => Promise<TmdbClient | null>;
 }
 
 const envNum = (k: string, dflt: number) => {
@@ -71,7 +73,7 @@ export function defaultOptions(ctx: ServerContext): FmOptions {
 // ── 错误 ──
 
 const REASON_STATUS: Record<
-  FilesErrorReason | "bad_request" | "forbidden" | "too_large",
+  FilesErrorReason | "bad_request" | "forbidden" | "too_large" | "upstream",
   { status: number; code: ApiErrorCode }
 > = {
   root_unavailable: { status: 503, code: "upstream_unavailable" },
@@ -88,6 +90,8 @@ const REASON_STATUS: Record<
   permanent_disabled: { status: 403, code: "forbidden" },
   approval_required: { status: 403, code: "forbidden" },
   too_large: { status: 413, code: "bad_request" },
+  not_implemented: { status: 501, code: "precondition_failed" },
+  upstream: { status: 502, code: "upstream_unavailable" },
 };
 
 /** 业务错误:路由统一转成信封,message 以 `<reason>: ` 开头便于前端分支 */
diff --git a/apps/server/src/modules/file-manager/identify.ts b/apps/server/src/modules/file-manager/identify.ts
index 11576698..124c450b 100644
--- a/apps/server/src/modules/file-manager/identify.ts
+++ b/apps/server/src/modules/file-manager/identify.ts
@@ -1,11 +1,12 @@
 import { randomUUID } from "node:crypto";
-import { readdir } from "node:fs/promises";
+import { readdir, stat } from "node:fs/promises";
 import { join } from "node:path";
 import type {
   FileIdentifyCandidate,
   FileIdentifyItem,
   FilesIdentifyRequest,
   FilesIdentifyResult,
+  OrganizationStatus,
 } from "@umt/contracts";
 import { sql } from "@umt/db";
 import { type IdentityCandidate, type ParsedRelease, parseReleasePath, queryTitles, rankCandidates } from "@umt/domain";
@@ -31,6 +32,8 @@ const LEVEL: Record<string, FileIdentifyCandidate["level"]> = {
 interface Video {
   root: string;
   rel: string;
+  /** 本机绝对路径(整理记录回查 organization_file_result.source_path) */
+  abs: string;
 }
 
 async function collectVideos(d: FmDeps, body: FilesIdentifyRequest): Promise<{ videos: Video[]; truncated: boolean }> {
@@ -41,7 +44,7 @@ async function collectVideos(d: FmDeps, body: FilesIdentifyRequest): Promise<{ v
     const r = await resolveIn(d, it.root, it.path);
     if (!r.lst?.isDirectory() || r.isSymlink) {
       if (videos.length >= max) truncated = true;
-      else videos.push({ root: it.root, rel: r.rel });
+      else videos.push({ root: it.root, rel: r.rel, abs: r.abs });
       continue;
     }
     const stack = [r.rel];
@@ -59,7 +62,7 @@ async function collectVideos(d: FmDeps, body: FilesIdentifyRequest): Promise<{ v
             truncated = true;
             break;
           }
-          videos.push({ root: it.root, rel: child });
+          videos.push({ root: it.root, rel: child, abs: join(r.rootReal, child) });
         }
       }
       if (truncated) break;
@@ -83,6 +86,21 @@ export async function identify(
 ): Promise<FilesIdentifyResult> {
   const db = d.ctx.db;
   const { videos, truncated } = await collectVideos(d, body);
+  // G2:最小体积(请求 > settings.organize.minSizeBytes > 不过滤)
+  const orgSettings = (await d.ctx.settings.get("organize").catch(() => null)) as { minSizeBytes?: unknown } | null;
+  const minSize = body.minSizeBytes ?? (typeof orgSettings?.minSizeBytes === "number" ? orgSettings.minSizeBytes : 0);
+  let excludedBySize = 0;
+  // G5:已有整理记录(按源文件本机路径)
+  const recordRows = videos.length
+    ? await sql<{ source_path: string; n: number; last_id: string; last_status: string }>`
+        select distinct on (f.source_path) f.source_path,
+               count(*) over (partition by f.source_path)::int as n,
+               r.id as last_id, r.status as last_status
+          from organization_file_result f join organization_record r on r.id = f.organization_record_id
+         where f.source_path = any(${videos.map((v) => v.abs)}::text[])
+         order by f.source_path, r.created_at desc`.execute(db)
+    : { rows: [] };
+  const recordsBy = new Map(recordRows.rows.map((r) => [r.source_path, r]));
   const localCache = new Map<string, IdentityCandidate[]>();
   const remoteCache = new Map<string, { list: IdentityCandidate[]; warning: string | null }>();
   const entityKinds = new Map<string, string>();
@@ -201,12 +219,38 @@ export async function identify(
 
   const items: FileIdentifyItem[] = [];
   for (const v of videos) {
+    const size = await stat(v.abs)
+      .then((st) => Number(st.size))
+      .catch(() => 0);
+    const rec = recordsBy.get(v.abs);
+    const records = {
+      count: rec?.n ?? 0,
+      lastRecordId: rec?.last_id ?? null,
+      lastStatus: (rec?.last_status ?? null) as OrganizationStatus | null,
+    };
     const parsed0 = parseReleasePath(segments(v.rel));
     const parsed: ParsedRelease = {
       ...parsed0,
       ...(parsed0.year === undefined && body.hints?.year ? { year: body.hints.year } : {}),
     };
     const warnings: string[] = [];
+    if (minSize > 0 && size < minSize) {
+      // 低于最小体积:不查候选(省远端查询),只回解析结果
+      excludedBySize++;
+      items.push({
+        root: v.root as FileIdentifyItem["root"],
+        path: v.rel,
+        parsed: parsedOut(parsed),
+        candidates: [],
+        suggestion: { mediaEntityId: null, contentUnitId: null, contentUnit: null },
+        existing: { assetId: null },
+        warnings: [`低于最小体积 ${minSize} 字节,已跳过`],
+        size,
+        skipped: "below_min_size",
+        records,
+      });
+      continue;
+    }
     const local = parsed.title || parsed.explicitIds.length || body.hints?.tmdbId ? await localFor(parsed) : [];
     const remote = parsed.title ? await remoteFor(parsed) : { list: [], warning: null };
     if (remote.warning) warnings.push(remote.warning);
@@ -265,29 +309,37 @@ export async function identify(
     items.push({
       root: v.root as FileIdentifyItem["root"],
       path: v.rel,
-      parsed: {
-        title: parsed.title ?? null,
-        year: parsed.year ?? null,
-        season: season ?? null,
-        episodes: parsed.episodes
-          ? Array.from(
-              { length: Math.min(200, parsed.episodes.end - parsed.episodes.start + 1) },
-              (_, i) => parsed.episodes!.start + i,
-            )
-          : [],
-        resolution: parsed.resolution ?? null,
-        source: parsed.source ?? null,
-        releaseGroup: parsed.releaseGroup?.name ?? null,
-        mediaKind:
-          parsed.episodes || parsed.season !== undefined ? "series" : parsed.mediaTypeHint === "tv" ? "series" : null,
-      },
+      parsed: parsedOut(parsed),
       candidates,
       suggestion: { mediaEntityId: best?.mediaEntityId ?? null, contentUnitId, contentUnit },
       existing: { assetId: existing?.media_asset_id ?? null },
       warnings,
+      size,
+      skipped: null,
+      records,
     });
   }
   if (videos.length === 0 && body.items.length > 0 && !truncated)
     throw new FilesError("bad_request", "所选项中没有视频文件");
-  return { items, truncated };
+  return { items, truncated, excludedBySize };
+}
+
+function parsedOut(parsed: ParsedRelease): FileIdentifyItem["parsed"] {
+  const season = parsed.season ?? (parsed.episodes ? 1 : undefined);
+  return {
+    title: parsed.title ?? null,
+    year: parsed.year ?? null,
+    season: season ?? null,
+    episodes: parsed.episodes
+      ? Array.from(
+          { length: Math.min(200, parsed.episodes.end - parsed.episodes.start + 1) },
+          (_, i) => parsed.episodes!.start + i,
+        )
+      : [],
+    resolution: parsed.resolution ?? null,
+    source: parsed.source ?? null,
+    releaseGroup: parsed.releaseGroup?.name ?? null,
+    mediaKind:
+      parsed.episodes || parsed.season !== undefined ? "series" : parsed.mediaTypeHint === "tv" ? "series" : null,
+  };
 }
diff --git a/apps/server/src/modules/file-manager/index.ts b/apps/server/src/modules/file-manager/index.ts
index 44d0c637..45d619ed 100644
--- a/apps/server/src/modules/file-manager/index.ts
+++ b/apps/server/src/modules/file-manager/index.ts
@@ -1,9 +1,11 @@
 import { randomUUID } from "node:crypto";
+import type { TmdbClient } from "@umt/adapters";
 import { defineTask } from "@umt/tasks";
 import { z } from "zod";
 import type { AoOverrides } from "../acquisition-organize/index.ts";
 import { createPorts } from "../acquisition-organize/ports.ts";
 import { registerScheduledJob } from "../schedules/registry.ts";
+import { SourcesRuntime } from "../sources-identity/runtime.ts";
 import type { ServerContext, ServerModule } from "../types.ts";
 import { defaultOptions, type FmDeps, type FmOptions } from "./common.ts";
 import { registerFileRoutes } from "./routes.ts";
@@ -18,10 +20,13 @@ import { purgeTrash } from "./trash.ts";
 export interface FmOverrides {
   ao?: AoOverrides;
   options?: Partial<FmOptions>;
+  /** W9-H:TMDB 客户端工厂(测试注入);缺省按设置 metadata.tmdb* 取(与 sources-identity 同一实现) */
+  tmdb?: (() => TmdbClient | null) | undefined;
 }
 
 export function createFileManagerModule(overrides: FmOverrides = {}): ServerModule & { deps(): FmDeps } {
   let deps: FmDeps | null = null;
+  let sources: SourcesRuntime | null = null;
   const lazy = (ctx: ServerContext): FmDeps => {
     if (!deps) {
       const { options: aoOptions, ...aoRest } = overrides.ao ?? {};
@@ -29,6 +34,10 @@ export function createFileManagerModule(overrides: FmOverrides = {}): ServerModu
         ctx,
         ao: { ctx, ports: createPorts(ctx, { ...aoRest, ...(aoOptions ? { options: aoOptions } : {}) }) },
         options: { ...defaultOptions(ctx), ...overrides.options },
+        tmdb: () => {
+          sources ??= new SourcesRuntime(ctx, overrides.tmdb ? { tmdb: overrides.tmdb } : {});
+          return sources.tmdb();
+        },
       };
     }
     return deps;
diff --git a/apps/server/src/modules/file-manager/organize.ts b/apps/server/src/modules/file-manager/organize.ts
index c8d3d598..3be54c33 100644
--- a/apps/server/src/modules/file-manager/organize.ts
+++ b/apps/server/src/modules/file-manager/organize.ts
@@ -1,9 +1,10 @@
+import { randomUUID } from "node:crypto";
 import { stat } from "node:fs/promises";
-import { join } from "node:path";
+import { join, relative } from "node:path";
 import type { FilesOrganizeGroup, FilesOrganizeRequest, FilesOrganizeResult } from "@umt/contracts";
 import type { Principal } from "../../http/auth.ts";
 import { ensureTaskRow, markTask } from "../acquisition-organize/services/common.ts";
-import { type FileOverrideInput, planImport } from "../acquisition-organize/services/organize.ts";
+import { type FileOverrideInput, type FrozenPlan, planImport } from "../acquisition-organize/services/organize.ts";
 import {
   authorizeMoveEntities,
   hnrBlockForMove,
@@ -12,6 +13,7 @@ import {
   requestKey,
   sourceGuard,
 } from "../acquisition-organize/services/organize-guard.ts";
+import { entityFromCandidate, externalKey } from "./candidate.ts";
 import { actorOfP, errMessage, FilesError, type FmDeps, hashJson, isAdmin, resolveIn } from "./common.ts";
 import { audit, filesChanged, loadPlan, retirePlan, savePlan } from "./ledger.ts";
 import { isWritableTarget } from "./list.ts";
@@ -57,6 +59,71 @@ interface Group {
 const pairsOf = (plan: Awaited<ReturnType<typeof planImport>>) =>
   (plan.plan?.organize.files ?? []).map((f) => ({ src: f.src, dst: f.dst ?? null, kind: f.kind, size: f.size }));
 
+type GroupFile = FilesOrganizeGroup["files"][number];
+
+/** 计划文件 → 响应行:动作 + 目标已存在时的处理(G3 逐文件标注) */
+function filesOf(plan: FrozenPlan | undefined): GroupFile[] {
+  if (!plan) return [];
+  const heldByExisting = new Set(
+    plan.organize.conflicts.filter((c) => c.kind === "target_exists" && c.blocking).map((c) => c.src),
+  );
+  return plan.organize.files.map((f) => {
+    const existing: GroupFile["existing"] =
+      f.action === "replace"
+        ? "replace"
+        : f.action === "skip" && f.skipReason === "already_in_library"
+          ? "same"
+          : f.action === "skip" && f.skipReason === "target_exists"
+            ? "skip"
+            : f.action === "hold" && heldByExisting.has(f.src)
+              ? "conflict"
+              : null;
+    return {
+      source: f.src,
+      target: f.dst ?? null,
+      kind: f.kind,
+      size: f.size,
+      action: f.action,
+      existing,
+      skipReason: f.skipReason ?? null,
+    };
+  });
+}
+
+/** 被排除的文件(G2:too_small → below_min_size) */
+function excludedOf(plan: FrozenPlan | undefined): NonNullable<FilesOrganizeGroup["excluded"]> {
+  return (plan?.organize.excluded ?? []).map((x) => ({
+    source: x.src,
+    kind: x.kind,
+    size: x.reason === "too_small" && x.detail && /^\d+$/.test(x.detail) ? Number(x.detail) : null,
+    reason: x.reason === "too_small" ? "below_min_size" : x.reason,
+  }));
+}
+
+/** 目标目录分段(相对库根;G4):剧集末段为季目录;bound = 沿用已有路径绑定(本次不新建) */
+function segmentsOf(plan: FrozenPlan | undefined, overrideDir: boolean): FilesOrganizeGroup["targetSegments"] {
+  const dir = plan?.targetDirs[0];
+  if (!plan || !dir) return [];
+  const parts = relative(plan.rootPath, dir).split("/").filter(Boolean);
+  if (overrideDir) return parts.map((text) => ({ text, role: "dir" as const, bound: false }));
+  const newEntity = plan.newBindings.some((b) => b.scope === "entity");
+  const newSeason = plan.newBindings.some((b) => b.scope === "season");
+  const rootIdx = plan.mediaType === "tv" ? parts.length - 2 : parts.length - 1;
+  return parts.map((text, i) =>
+    i === rootIdx
+      ? { text, role: "root" as const, bound: !newEntity }
+      : plan.mediaType === "tv" && i === parts.length - 1
+        ? { text, role: "season" as const, bound: !newSeason }
+        : { text, role: "dir" as const, bound: !newEntity },
+  );
+}
+
+/** 设置里的最小体积(settings.organize.minSizeBytes;契约未加该字段前恒为 undefined → planImport 用端口默认) */
+async function settingsMinSize(d: FmDeps): Promise<number | undefined> {
+  const org = (await d.ctx.settings.get("organize").catch(() => null)) as { minSizeBytes?: unknown } | null;
+  return typeof org?.minSizeBytes === "number" && org.minSizeBytes >= 0 ? org.minSizeBytes : undefined;
+}
+
 async function factsOf(paths: string[]) {
   return Promise.all(
     paths.map(async (p) => {
@@ -85,7 +152,30 @@ export async function organizeFiles(
   const actorType = principal?.kind === "api_key" ? "api_key" : "user";
   const actor = actorOfP(principal);
 
-  const entityIds = [...new Set(body.items.map((i) => i.mediaEntityId))];
+  // G1:外部候选 → 本地作品(就地建,幂等);每项解析出 mediaEntityId
+  const created = new Map<string, { entityId: string; created: boolean; title: string; externalId: string }>();
+  for (const it of body.items) {
+    if (!!it.mediaEntityId === !!it.external)
+      throw new FilesError("bad_request", `整理项 ${it.path || "/"} 需要且只能指定 mediaEntityId 或 external 之一`);
+    if (!it.external) continue;
+    const k = externalKey(it.external);
+    if (created.has(k)) continue;
+    const r = await entityFromCandidate(d, principal, it.external);
+    created.set(k, {
+      entityId: r.mediaEntityId,
+      created: r.created,
+      title: r.title,
+      externalId: it.external.externalId,
+    });
+  }
+  const entityOf = (it: (typeof body.items)[number]) =>
+    it.mediaEntityId ?? created.get(externalKey(it.external!))!.entityId;
+  const fromExternal = new Map([...created.values()].map((c) => [c.entityId, c]));
+  const minSizeBytes = body.minSizeBytes ?? (await settingsMinSize(d));
+  const onExisting = body.onExisting ?? "conflict";
+  const namingMode = body.naming ?? "template";
+
+  const entityIds = [...new Set(body.items.map(entityOf))];
   const entities = new Map(
     (await db.selectFrom("media_entity").select(["id", "kind"]).where("id", "in", entityIds).execute()).map((e) => [
       e.id,
@@ -129,7 +219,8 @@ export async function organizeFiles(
       throw new FilesError("not_writable", `源根 ${r.def.name} 只读,不能移动`);
     roots.add(it.root);
     const isDir = !!r.lst?.isDirectory();
-    const kind = entities.get(it.mediaEntityId);
+    const entityId = entityOf(it);
+    const kind = entities.get(entityId);
     const isTv = kind !== undefined && kind !== "movie";
     const warnings: string[] = [];
     const ov: FileOverrideInput = {};
@@ -163,7 +254,7 @@ export async function organizeFiles(
     let unit = it.contentUnitId ?? null;
     if (unit) {
       const u = units.get(unit);
-      if (!u || u.media_entity_id !== it.mediaEntityId) {
+      if (!u || u.media_entity_id !== entityId) {
         warnings.push(`${r.rel}: 内容单元 ${unit} 不属于该作品,未应用`);
         unit = null;
       } else if (u.kind === "episode" || u.kind === "part") ov.contentUnitIds = [u.id];
@@ -172,7 +263,7 @@ export async function organizeFiles(
     let slotId = it.slotId ?? null;
     if (slotId) {
       const s = slots.get(slotId);
-      if (!s || s.media_entity_id !== it.mediaEntityId) {
+      if (!s || s.media_entity_id !== entityId) {
         warnings.push(`${r.rel}: 版本目标 ${slotId} 不属于该作品,未应用`);
         slotId = null;
       } else if (BUSY_SLOT.has(s.status)) {
@@ -181,11 +272,11 @@ export async function organizeFiles(
       }
     }
 
-    const key = [it.mediaEntityId, unit ?? "", action, targetDir ?? "", targetLib ?? "", slotId ?? ""].join("|");
+    const key = [entityId, unit ?? "", action, targetDir ?? "", targetLib ?? "", slotId ?? ""].join("|");
     const g =
       groups.get(key) ??
       ({
-        entity: it.mediaEntityId,
+        entity: entityId,
         unit,
         action,
         targetDir,
@@ -251,7 +342,12 @@ export async function organizeFiles(
       ...(hasOverrides ? { overrides: g.overrides } : {}),
       ...(g.targetDir ? { targetDir: g.targetDir } : {}),
       ...(g.slotId ? { slotId: g.slotId } : {}),
+      // W9-H:新选项进请求指纹(缺省值不进,老计划的指纹不变)
+      ...(minSizeBytes !== undefined ? { minSizeBytes } : {}),
+      ...(onExisting !== "conflict" ? { onExisting } : {}),
+      ...(namingMode !== "template" ? { naming: namingMode } : {}),
     });
+    const ext = fromExternal.get(g.entity);
     const base = {
       mediaEntityId: g.entity,
       contentUnitId: g.unit,
@@ -259,12 +355,22 @@ export async function organizeFiles(
       action: g.action,
       targetDir: g.targetDir,
       slotId: g.slotId,
+      entity: ext
+        ? { provider: "tmdb" as const, externalId: ext.externalId, created: ext.created, title: ext.title }
+        : null,
+      onExisting,
+      ...(minSizeBytes !== undefined ? { minSizeBytes } : {}),
     };
     const importReq = (dryRun: boolean, taskId?: string) => ({
       ...req,
       ...(hasOverrides ? { fileOverrides: g.overrides } : {}),
       ...(g.targetDir ? { targetDir: g.targetDir } : {}),
       ...(g.slotId ? { slotId: g.slotId } : {}),
+      ...(minSizeBytes !== undefined ? { minSizeBytes } : {}),
+      onExisting,
+      // 向导里显式选择"替换"即为人工授权;替换走 replace_with_verify(新文件核验通过后旧文件进回收站)
+      ...(onExisting === "replace_with_verify" ? { grantReplace: true } : {}),
+      namingMode,
       trigger: "manual" as const,
       actorType: actorType as "api_key" | "user",
       actorId: actor,
@@ -294,8 +400,9 @@ export async function organizeFiles(
         );
         out.push({
           ...base,
+          ...planExtras(plan.plan, !!g.targetDir),
           planId: saved.id,
-          files: pairs.map((p) => ({ source: p.src, target: p.dst, kind: p.kind, size: p.size })),
+          files: filesOf(plan.plan),
           truncated: plan.truncated === true,
           recordId: null,
           taskId: null,
@@ -357,9 +464,10 @@ export async function organizeFiles(
         recordIds.push(plan.recordId);
         out.push({
           ...base,
+          ...planExtras(again.plan, !!g.targetDir),
           planId,
           // 执行时 planImport 不回传计划体;冻结计划与刚重算的 dryRun 一致(上面已校验),直接回显
-          files: pairsOf(again).map((p) => ({ source: p.src, target: p.dst, kind: p.kind, size: p.size })),
+          files: filesOf(again.plan),
           truncated: false,
           recordId: plan.recordId,
           taskId,
@@ -390,6 +498,25 @@ export async function organizeFiles(
       });
     }
   }
+  // G5:执行成功的组按作品去重各排一次元数据刷新(字段级,锁定字段与路径不变)
+  if (!body.dryRun && body.refreshMetadata) {
+    const runs = new Map<string, string>();
+    for (const g of out) {
+      if (!g.recordId || g.error) continue;
+      if (!runs.has(g.mediaEntityId)) {
+        const { runId } = await d.ctx.engine.enqueue(
+          "refreshMetadata",
+          { mediaEntityId: g.mediaEntityId },
+          {
+            idempotencyKey: `refreshMetadata:files-organize:${body.idempotencyKey}:${g.mediaEntityId}`,
+            traceId: randomUUID(),
+          },
+        );
+        runs.set(g.mediaEntityId, runId);
+      }
+      g.refreshTaskId = runs.get(g.mediaEntityId) ?? null;
+    }
+  }
   if (!body.dryRun) {
     await audit(d, principal, "organize", {
       action: body.action,
@@ -405,6 +532,15 @@ export async function organizeFiles(
   return { dryRun: body.dryRun, groups: out, recordIds };
 }
 
+/** 组的计划附加信息:排除项 / 命名记录 / 目标目录分段 */
+function planExtras(plan: FrozenPlan | undefined, overrideDir: boolean) {
+  return {
+    excluded: excludedOf(plan),
+    ...(plan?.naming ? { naming: plan.naming } : {}),
+    targetSegments: segmentsOf(plan, overrideDir),
+  };
+}
+
 /** 执行请求携带全部组的 planId:找与本组请求一致的那个 */
 async function pickPlan(d: FmDeps, planIds: string[], reqHash: string): Promise<string> {
   if (planIds.length === 0) throw new FilesError("bad_request", "执行需要 dryRun 返回的 planIds");
diff --git a/apps/server/src/modules/file-manager/probe.ts b/apps/server/src/modules/file-manager/probe.ts
index 856ff7dc..c29c051c 100644
--- a/apps/server/src/modules/file-manager/probe.ts
+++ b/apps/server/src/modules/file-manager/probe.ts
@@ -6,6 +6,8 @@ import type {
   FileProbeItem,
   FilesProbeRequest,
   FilesProbeResult,
+  FilesScrapeBatchRequest,
+  FilesScrapeBatchResult,
   FilesScrapeRequest,
   FilesScrapeResult,
 } from "@umt/contracts";
@@ -14,6 +16,7 @@ import type { Principal } from "../../http/auth.ts";
 import { FilesError, type FmDeps, jsonb, resolveIn } from "./common.ts";
 import { audit } from "./ledger.ts";
 import { kindOfName, mediaSummary } from "./list.ts";
+import { entitiesUnder } from "./records.ts";
 
 // probe:ffprobe 摘要;已登记资产写回 media_asset.media_info.probe,未登记只缓存 24h(DATA_DIR/cache/probe)。
 // scrape:只对已登记作品,等价 POST /media-entities/{id}/refresh(入队 refreshMetadata,字段锁优先、不动路径);
@@ -141,3 +144,77 @@ export async function scrape(
   await audit(d, principal, "scrape", { ...result });
   return result;
 }
+
+/**
+ * G5 批量刷新元数据:文件/目录归到其下已登记资产的作品,与显式作品合并去重,逐个入队 refreshMetadata。
+ * 只对有 active 资产的作品提交;其余进 skipped(前端汇总"已提交 n 个作品,锁定字段不变")。
+ */
+export async function scrapeBatch(
+  d: FmDeps,
+  principal: Principal | undefined,
+  body: FilesScrapeBatchRequest,
+): Promise<FilesScrapeBatchResult> {
+  const db = d.ctx.db;
+  const skipped: FilesScrapeBatchResult["skipped"] = [];
+  const ids = new Set(body.mediaEntityIds ?? []);
+  for (const it of body.items ?? []) {
+    const r = await resolveIn(d, it.root, it.path);
+    const found = r.def.libraryRootId
+      ? await entitiesUnder(db, r.def.libraryRootId, r.rel, !!r.lst?.isDirectory())
+      : [];
+    if (found.length === 0) skipped.push({ ref: `${it.root}:${it.path}`, reason: "no_entity" });
+    for (const id of found) ids.add(id);
+  }
+  if (ids.size === 0 && skipped.length === 0) throw new FilesError("bad_request", "需要 items 或 mediaEntityIds");
+  if (ids.size > 200) throw new FilesError("bad_request", `一次最多刷新 200 个作品(本次 ${ids.size})`);
+  const list = [...ids];
+  const ents = list.length
+    ? await db.selectFrom("media_entity").select(["id", "title", "field_locks"]).where("id", "in", list).execute()
+    : [];
+  const active = new Set(
+    list.length
+      ? (
+          await db
+            .selectFrom("media_asset")
+            .select(["media_entity_id"])
+            .where("media_entity_id", "in", list)
+            .where("status", "=", "active")
+            .execute()
+        ).map((a) => a.media_entity_id)
+      : [],
+  );
+  const locks = list.length
+    ? await db
+        .selectFrom("field_override")
+        .select(["media_entity_id", "field"])
+        .where("media_entity_id", "in", list)
+        .where("locked", "=", true)
+        .execute()
+    : [];
+  const submitted: FilesScrapeBatchResult["submitted"] = [];
+  for (const id of list) {
+    const e = ents.find((x) => x.id === id);
+    if (!e) {
+      skipped.push({ ref: id, reason: "not_found" });
+      continue;
+    }
+    if (!active.has(id)) {
+      skipped.push({ ref: id, reason: "not_registered" });
+      continue;
+    }
+    const { runId } = await d.ctx.engine.enqueue(
+      "refreshMetadata",
+      { mediaEntityId: id },
+      { idempotencyKey: `refreshMetadata:files-batch:${body.idempotencyKey}:${id}`, traceId: randomUUID() },
+    );
+    const lockedFields = [
+      ...new Set([...(e.field_locks ?? []), ...locks.filter((l) => l.media_entity_id === id).map((l) => l.field)]),
+    ].sort();
+    submitted.push({ mediaEntityId: id, title: e.title, taskId: runId, lockedFields });
+  }
+  await audit(d, principal, "scrape_batch", {
+    submitted: submitted.map((s) => s.mediaEntityId),
+    skipped,
+  });
+  return { submitted, skipped };
+}
diff --git a/apps/server/src/modules/file-manager/routes.ts b/apps/server/src/modules/file-manager/routes.ts
index b943184b..c96d2227 100644
--- a/apps/server/src/modules/file-manager/routes.ts
+++ b/apps/server/src/modules/file-manager/routes.ts
@@ -6,6 +6,7 @@ import { type AuthEnv, requireAdminSession, requireScope } from "../../http/auth
 import { errorBody } from "../../http/errors.ts";
 import { PathGuardError } from "../acquisition-organize/services/organize-guard.ts";
 import type { ModuleApp } from "../types.ts";
+import { entityFromCandidate } from "./candidate.ts";
 import { FilesError, type FmDeps, fsErrorToFiles } from "./common.ts";
 import { downloadFile } from "./download.ts";
 import { identify } from "./identify.ts";
@@ -13,10 +14,12 @@ import { idempotent } from "./ledger.ts";
 import { listDir, listRoots, statEntry } from "./list.ts";
 import { mkdirIn, renameEntry } from "./mutate.ts";
 import { organizeFiles } from "./organize.ts";
-import { probeFiles, scrape } from "./probe.ts";
+import { probeFiles, scrape, scrapeBatch } from "./probe.ts";
 import { findRecords } from "./records.ts";
+import { suggestName } from "./suggest-name.ts";
 import { transfer } from "./transfer.ts";
 import { deleteFiles, listTrash, purgeTrash, restoreTrash } from "./trash.ts";
+import { recordSources, treeOf } from "./tree.ts";
 
 // /files 路由:scope 由 contracts 端点定义(读 organize.read / 写 organize.execute),处理器内再按授权矩阵细分。
 // FilesError → 信封 + 对应状态(根离线 503,message 以 `<reason>: ` 开头)。
@@ -107,4 +110,12 @@ export function registerFileRoutes(app: ModuleApp, d: FmDeps) {
   mount(app, F.probe, async (_c, { body }) => probeFiles(d, body));
   mount(app, F.records, async (_c, { query }) => findRecords(d, query));
   mount(app, F.download, async (c, { query }) => downloadFile(d, c.get("principal"), query), true);
+  // W9-H 文件管理 v2
+  mount(app, F.entityFromCandidate, async (c, { body }) => entityFromCandidate(d, c.get("principal"), body));
+  mount(app, F.scrapeBatch, async (c, { body }) =>
+    idem(d, c, "scrape_batch", body, () => scrapeBatch(d, c.get("principal"), body)),
+  );
+  mount(app, F.tree, async (_c, { query }) => treeOf(d, query));
+  mount(app, F.recordSources, async (_c, { query }) => recordSources(d, query.recordId));
+  mount(app, F.suggestName, async (_c, { body }) => suggestName(d, body));
 }
diff --git a/apps/server/src/modules/file-manager/suggest-name.ts b/apps/server/src/modules/file-manager/suggest-name.ts
new file mode 100644
index 00000000..9db9d35e
--- /dev/null
+++ b/apps/server/src/modules/file-manager/suggest-name.ts
@@ -0,0 +1,10 @@
+import type { FilesSuggestNameRequest, FilesSuggestNameResult } from "@umt/contracts";
+import { FilesError, type FmDeps, resolveIn } from "./common.ts";
+
+// G9 推荐名:按命名模板(作品 > 库根 > 全局)对选中文件渲染文件名/目录段。
+// 依赖 W9-C 的命名引擎(packages/domain/src/naming + POST /naming/preview);引擎提交前返回 501 not_implemented。
+
+export async function suggestName(d: FmDeps, body: FilesSuggestNameRequest): Promise<FilesSuggestNameResult> {
+  await resolveIn(d, body.root, body.path);
+  throw new FilesError("not_implemented", "命名引擎尚未就绪,暂不能按模板生成推荐名");
+}
diff --git a/apps/server/src/modules/file-manager/tree.ts b/apps/server/src/modules/file-manager/tree.ts
new file mode 100644
index 00000000..d11dd7fa
--- /dev/null
+++ b/apps/server/src/modules/file-manager/tree.ts
@@ -0,0 +1,130 @@
+import { lstat, readdir } from "node:fs/promises";
+import { join } from "node:path";
+import type {
+  FileRootId,
+  FilesRecordSourcesResult,
+  FilesTreeQuery,
+  FilesTreeResult,
+  OrganizationStatus,
+} from "@umt/contracts";
+import { sql } from "@umt/db";
+import { FilesError, type FmDeps, isTempName, loadRootDefs, resolveIn, within } from "./common.ts";
+import { kindOfName } from "./list.ts";
+
+// G8 目录摘要(树折叠 / 上一级):只列子目录(是否还有下级)+ 本目录递归视频数与已登记数;
+// G5 整理记录 → 源 FileRef(整理记录"重新整理"按登记目录 hostPath 换算)。
+
+const likePrefix = (rel: string) => `${rel.replace(/[\\%_]/g, (m) => `\\${m}`)}/%`;
+const hiddenName = (n: string) => n.startsWith(".") || isTempName(n);
+
+export async function treeOf(d: FmDeps, q: FilesTreeQuery): Promise<FilesTreeResult> {
+  const r = await resolveIn(d, q.root, q.path);
+  if (!r.lst?.isDirectory() || r.isSymlink) throw new FilesError("bad_request", `不是目录: ${r.rel || "/"}`);
+  const names = await readdir(r.abs, { withFileTypes: true });
+  const subdirs = names
+    .filter((n) => n.isDirectory() && !hiddenName(n.name))
+    .map((n) => n.name)
+    .sort((a, b) => a.localeCompare(b));
+  const max = d.options.listMaxEntries;
+  const truncated = subdirs.length > max;
+  const dirs = await Promise.all(
+    subdirs.slice(0, max).map(async (name) => {
+      const path = r.rel ? `${r.rel}/${name}` : name;
+      const kids = await readdir(join(r.abs, name), { withFileTypes: true }).catch(() => []);
+      return { name, path, hasChildren: kids.some((k) => k.isDirectory() && !hiddenName(k.name)) };
+    }),
+  );
+
+  // 递归数视频(上限 dirSummaryMax 项,同列表目录摘要口径)
+  let seen = 0;
+  let videoCount = 0;
+  let partial = false;
+  const stack = [r.abs];
+  while (stack.length > 0 && !partial) {
+    const dir = stack.pop()!;
+    for (const n of await readdir(dir, { withFileTypes: true }).catch(() => [])) {
+      if (++seen > d.options.dirSummaryMax) {
+        partial = true;
+        break;
+      }
+      if (n.name.startsWith(".")) continue;
+      if (n.isDirectory()) stack.push(join(dir, n.name));
+      else if (n.isFile() && kindOfName(n.name) === "video") videoCount++;
+    }
+  }
+  let registeredCount = 0;
+  if (r.def.libraryRootId) {
+    const row = await sql<{ n: number }>`
+      select count(*)::int as n from asset_location
+       where library_root_id = ${r.def.libraryRootId} and status = 'available'
+         and (${r.rel} = '' or relative_path like ${likePrefix(r.rel)})`.execute(d.ctx.db);
+    registeredCount = row.rows[0]?.n ?? 0;
+  }
+  const slash = r.rel.lastIndexOf("/");
+  return {
+    root: q.root,
+    path: r.rel,
+    name: r.rel ? r.rel.slice(slash + 1) : r.def.name,
+    parent: r.rel === "" ? null : slash < 0 ? "" : r.rel.slice(0, slash),
+    dirs,
+    truncated,
+    summary: { videoCount, registeredCount, partial },
+  };
+}
+
+export async function recordSources(d: FmDeps, recordId: string): Promise<FilesRecordSourcesResult> {
+  const db = d.ctx.db;
+  const rec = await db
+    .selectFrom("organization_record")
+    .select(["id", "media_entity_id", "action", "status", "source_path", "source_path_view"])
+    .where("id", "=", recordId)
+    .executeTakeFirst();
+  if (!rec) throw new FilesError("not_found", "整理记录不存在");
+  const mains = await db
+    .selectFrom("organization_file_result")
+    .select(["source_path"])
+    .where("organization_record_id", "=", rec.id)
+    .where("role", "=", "main")
+    .orderBy("ordinal")
+    .limit(500)
+    .execute();
+  const defs = (await loadRootDefs(db)).sort((a, b) => b.hostPath.length - a.hostPath.length);
+  const toRef = (abs: string) => {
+    const def = defs.find((x) => within(abs, x.hostPath));
+    return def
+      ? { root: def.id as FileRootId, path: abs === def.hostPath ? "" : abs.slice(def.hostPath.length + 1) }
+      : null;
+  };
+  // 多个主视频都在记录的源目录下、且源目录不是登记目录本身 → 给目录(向导按目录展开);否则逐个主视频
+  let sources = mains.map((m) => m.source_path);
+  const dir = rec.source_path;
+  if (
+    dir &&
+    mains.length > 1 &&
+    mains.every((m) => within(m.source_path, dir)) &&
+    !defs.some((x) => x.hostPath === dir.replace(/\/+$/, ""))
+  )
+    sources = [dir];
+  if (sources.length === 0 && dir) sources = [dir];
+  const items: FilesRecordSourcesResult["items"] = [];
+  const unresolved: string[] = [];
+  for (const abs of [...new Set(sources)]) {
+    const ref = rec.source_path_view === "local" ? toRef(abs) : null;
+    const exists = ref
+      ? await lstat(abs).then(
+          () => true,
+          () => false,
+        )
+      : false;
+    if (ref && exists) items.push(ref);
+    else unresolved.push(abs);
+  }
+  return {
+    recordId: rec.id,
+    mediaEntityId: rec.media_entity_id,
+    action: rec.action,
+    status: rec.status as OrganizationStatus,
+    items,
+    unresolved,
+  };
+}
diff --git a/apps/server/src/modules/sources-identity/service/entity-from-candidate.ts b/apps/server/src/modules/sources-identity/service/entity-from-candidate.ts
new file mode 100644
index 00000000..13b1b8f1
--- /dev/null
+++ b/apps/server/src/modules/sources-identity/service/entity-from-candidate.ts
@@ -0,0 +1,101 @@
+import { type TmdbClient, TmdbError } from "@umt/adapters";
+import type { MediaKind } from "@umt/contracts";
+import type { DB, Kysely } from "@umt/db";
+import type { ParsedRelease } from "@umt/domain";
+import { type Actor, audit, type Exec } from "./common.ts";
+import { createEntityFromTmdb, ensureUnits, entityByExternal, IdentityConflictError } from "./entities.ts";
+
+// W9-H(文件管理整理向导 G1):选中"仅 TMDB 候选"时就地建本地作品 + 外部映射(accepted,证据等级 manual)
+// + 季/集单元。幂等:同一 TMDB id 已有 accepted 映射直接复用(跟随合并跳转),并发创建冲突时重试一次。
+
+export class CandidateError extends Error {
+  constructor(
+    readonly reason: "not_configured" | "not_found" | "upstream",
+    message: string,
+  ) {
+    super(message);
+  }
+}
+
+export interface EntityFromCandidate {
+  mediaEntityId: string;
+  created: boolean;
+  title: string;
+  year: number | null;
+  kind: MediaKind;
+  /** 本次确保存在的季/集单元数 */
+  contentUnits: number;
+}
+
+/** 单季最多建的集单元数(ensureUnits 内部也限 200) */
+const MAX_EPISODES_PER_SEASON = 200;
+
+export async function createEntityFromTmdbCandidate(
+  db: Kysely<DB>,
+  tmdb: () => Promise<TmdbClient | null>,
+  ref: { externalId: string; kind: "movie" | "tv" },
+  actor: Actor,
+): Promise<EntityFromCandidate> {
+  const extRef = { provider: "tmdb", entityType: ref.kind, externalId: ref.externalId };
+  const existing = await entityByExternal(db, extRef);
+  if (existing) return describe(db, existing, false, 0);
+
+  const client = await tmdb();
+  if (!client) throw new CandidateError("not_configured", "未配置 TMDB,无法按候选建作品");
+  let detail: Awaited<ReturnType<TmdbClient["details"]>>;
+  try {
+    detail = await client.details(ref.kind, ref.externalId);
+  } catch (e) {
+    if (e instanceof TmdbError && e.kind === "notfound")
+      throw new CandidateError("not_found", `TMDB 无此条目 ${ref.kind}/${ref.externalId}`);
+    if (e instanceof TmdbError) throw new CandidateError("upstream", `TMDB 查询失败:${e.kind}`);
+    throw e;
+  }
+
+  for (let attempt = 0; ; attempt++) {
+    try {
+      return await db.transaction().execute(async (trx) => {
+        const r = await createEntityFromTmdb(trx, detail, {
+          level: "manual",
+          evidence: { by: `${actor.type}:${actor.id ?? ""}`, via: "files.organize" },
+          actor,
+        });
+        let units = 0;
+        if (r.created && ref.kind === "tv") {
+          for (const s of detail.seasons ?? []) {
+            if (s.seasonNumber < 0) continue;
+            const eps = Math.min(s.episodeCount, MAX_EPISODES_PER_SEASON);
+            const parsed = {
+              season: s.seasonNumber,
+              ...(eps > 0 ? { episodes: { start: 1, end: eps } } : {}),
+            } as ParsedRelease;
+            const u = await ensureUnits(trx, r.entityId, "series", parsed);
+            units += u.unitIds.length + (eps > 0 ? 1 : 0);
+          }
+        }
+        if (r.created)
+          await audit(
+            trx,
+            actor,
+            "identity.entity_created_from_candidate",
+            { type: "media_entity", id: r.entityId },
+            { provider: "tmdb", entityType: ref.kind, externalId: ref.externalId, contentUnits: units },
+          );
+        return describe(trx, r.entityId, r.created, units);
+      });
+    } catch (e) {
+      // 并发:另一事务刚接受了同一身份 → 本事务回滚,重试时直接复用
+      if (e instanceof IdentityConflictError && attempt === 0) continue;
+      throw e;
+    }
+  }
+}
+
+async function describe(exec: Exec, id: string, created: boolean, units: number): Promise<EntityFromCandidate> {
+  const e = await exec
+    .selectFrom("media_entity")
+    .select(["id", "title", "year", "kind"])
+    .where("id", "=", id)
+    .executeTakeFirstOrThrow();
+  return { mediaEntityId: e.id, created, title: e.title, year: e.year, kind: e.kind, contentUnits: units };
+}
diff --git a/apps/server/test/file-manager/v2.test.ts b/apps/server/test/file-manager/v2.test.ts
new file mode 100644
index 00000000..aae39977
--- /dev/null
+++ b/apps/server/test/file-manager/v2.test.ts
@@ -0,0 +1,328 @@
+import { mkdir, writeFile } from "node:fs/promises";
+import { basename, join } from "node:path";
+import { createTmdbClient } from "@umt/adapters";
+import { createMockTmdb, type MockTmdb } from "@umt/testkit";
+import { afterAll, beforeAll, describe, expect, it } from "vitest";
+import {
+  createFmHarness,
+  EXEC_KEY,
+  type FmHarness,
+  key,
+  pgAvailable,
+  READ_KEY,
+  seedAsset,
+  seedEntity,
+} from "./harness.ts";
+
+// W9-H 文件管理 v2 后端缺口:G1 TMDB 候选建作品 / G2 最小体积 / G3 目标已存在策略 / G4 命名方式与来源 /
+// G5 整理记录提示 + 重新整理源 + 整理后刷新元数据 + 批量刮削 / G8 目录摘要 / G9 推荐名(引擎未就绪 501)。
+
+const skip = !(await pgAvailable());
+
+// biome-ignore lint/suspicious/noExplicitAny: 测试断言直接读响应 JSON
+type Loose = any;
+
+describe.skipIf(skip)("files v2(W9-H)", () => {
+  let h: FmHarness;
+  let tmdb: MockTmdb;
+  let film: string;
+  const big = "x".repeat(64);
+
+  beforeAll(async () => {
+    tmdb = await createMockTmdb();
+    h = await createFmHarness("v2", {
+      tmdb: () => createTmdbClient({ apiKey: "test-tmdb-key", baseUrl: `${tmdb.url}/3`, retries: 0 }),
+    });
+    film = await seedEntity(h.db, { kind: "movie", title: "Blue Film", year: 2021 });
+    await writeFile(join(h.dl, "Blue.Film.2021.2160p.BluRay.x265-GRP.mkv"), big);
+    await writeFile(join(h.dl, "Blue.Film.2021.sample.tiny.mkv"), "tiny");
+    await mkdir(join(h.dl, "The.Bear.S01.1080p"), { recursive: true });
+    await writeFile(join(h.dl, "The.Bear.S01.1080p", "The.Bear.S01E01.1080p.WEB-DL-GRP.mkv"), big);
+  });
+  afterAll(async () => {
+    await h?.close();
+    await tmdb?.close();
+  });
+
+  const organize = (body: Record<string, unknown>, k = EXEC_KEY) =>
+    h.api("POST", "/files/organize", { idempotencyKey: key(), action: "copy", dryRun: true, ...body }, k);
+
+  it("G1:按 TMDB 候选建作品 + 外部映射(accepted/manual)+ 季集单元;同 TMDB id 幂等", async () => {
+    const r = await h.api(
+      "POST",
+      "/files/entity-from-candidate",
+      { provider: "tmdb", externalId: "136315", kind: "tv" },
+      EXEC_KEY,
+    );
+    expect(r.status).toBe(200);
+    const d = r.body.data;
+    expect(d).toMatchObject({ created: true, kind: "series", year: 2022 });
+    expect(d.contentUnits).toBe(31); // 3 季 + 8/10/10 集
+    const ident = await h.db
+      .selectFrom("external_identity")
+      .select(["provider", "external_id", "status", "evidence_level", "media_entity_id"])
+      .where("media_entity_id", "=", d.mediaEntityId)
+      .where("provider", "=", "tmdb")
+      .executeTakeFirstOrThrow();
+    expect(ident).toMatchObject({ external_id: "136315", status: "accepted", evidence_level: "manual" });
+    const units = await h.db
+      .selectFrom("content_unit")
+      .select(["kind"])
+      .where("media_entity_id", "=", d.mediaEntityId)
+      .execute();
+    expect(units.filter((u) => u.kind === "season")).toHaveLength(3);
+    expect(units.filter((u) => u.kind === "episode")).toHaveLength(28);
+
+    const again = await h.api(
+      "POST",
+      "/files/entity-from-candidate",
+      { provider: "tmdb", externalId: "136315", kind: "tv" },
+      EXEC_KEY,
+    );
+    expect(again.body.data).toMatchObject({ mediaEntityId: d.mediaEntityId, created: false });
+    const count = await h.db
+      .selectFrom("external_identity")
+      .select(["id"])
+      .where("provider", "=", "tmdb")
+      .where("external_id", "=", "136315")
+      .execute();
+    expect(count).toHaveLength(1);
+    // 只读 key 不能建
+    const ro = await h.api(
+      "POST",
+      "/files/entity-from-candidate",
+      { provider: "tmdb", externalId: "1", kind: "movie" },
+      READ_KEY,
+    );
+    expect(ro.status).toBe(403);
+    // TMDB 无此条目 → 404
+    const nf = await h.api("POST", "/files/entity-from-candidate", {
+      provider: "tmdb",
+      externalId: "424242",
+      kind: "movie",
+    });
+    expect(nf.status).toBe(404);
+  });
+
+  it("G1:整理项带 external → 预览就地建(或复用)作品,组标 entity;与 mediaEntityId 二选一", async () => {
+    const r = await organize({
+      items: [
+        {
+          root: h.dlRoot,
+          path: "The.Bear.S01.1080p/The.Bear.S01E01.1080p.WEB-DL-GRP.mkv",
+          external: { provider: "tmdb", externalId: "136315", kind: "tv" },
+        },
+      ],
+    });
+    expect(r.status).toBe(200);
+    const g = r.body.data.groups[0];
+    expect(g.error).toBeNull();
+    expect(g.entity).toMatchObject({ provider: "tmdb", externalId: "136315", created: false });
+    expect(g.files[0].target).toMatch(/Season 1/);
+
+    const movie = await organize({
+      items: [
+        {
+          root: h.dlRoot,
+          path: "Blue.Film.2021.2160p.BluRay.x265-GRP.mkv",
+          external: { provider: "tmdb", externalId: "872585", kind: "movie" },
+        },
+      ],
+    });
+    expect(movie.body.data.groups[0].entity.created).toBe(true);
+
+    const both = await organize({
+      items: [
+        {
+          root: h.dlRoot,
+          path: "Blue.Film.2021.2160p.BluRay.x265-GRP.mkv",
+          mediaEntityId: film,
+          external: { provider: "tmdb", externalId: "872585", kind: "movie" },
+        },
+      ],
+    });
+    expect(both.status).toBe(400);
+    const none = await organize({ items: [{ root: h.dlRoot, path: "Blue.Film.2021.2160p.BluRay.x265-GRP.mkv" }] });
+    expect(none.status).toBe(400);
+  });
+
+  it("G2:整理按最小体积排除(below_min_size);识别按最小体积跳过并计数", async () => {
+    const items = [
+      { root: h.dlRoot, path: "Blue.Film.2021.2160p.BluRay.x265-GRP.mkv", mediaEntityId: film },
+      { root: h.dlRoot, path: "Blue.Film.2021.sample.tiny.mkv", mediaEntityId: film },
+    ];
+    const r = await organize({ items, minSizeBytes: 32 });
+    const g = r.body.data.groups[0];
+    expect(g.minSizeBytes).toBe(32);
+    expect(g.files.map((f: Loose) => basename(f.source))).toEqual(["Blue.Film.2021.2160p.BluRay.x265-GRP.mkv"]);
+    expect(g.excluded).toContainEqual(
+      expect.objectContaining({ source: join(h.dl, "Blue.Film.2021.sample.tiny.mkv"), reason: expect.any(String) }),
+    );
+    // 非 sample 命名的小文件:明确 below_min_size + 体积
+    await writeFile(join(h.dl, "Blue.Film.2021.1080p.small.mkv"), "0123456789ab");
+    const r2 = await organize({
+      items: [{ root: h.dlRoot, path: "Blue.Film.2021.1080p.small.mkv", mediaEntityId: film }],
+      minSizeBytes: 32,
+    });
+    expect(r2.body.data.groups[0].excluded).toEqual([
+      { source: join(h.dl, "Blue.Film.2021.1080p.small.mkv"), kind: "video", size: 12, reason: "below_min_size" },
+    ]);
+
+    const id = await h.api(
+      "POST",
+      "/files/identify",
+      {
+        items: [
+          { root: h.dlRoot, path: "Blue.Film.2021.2160p.BluRay.x265-GRP.mkv" },
+          { root: h.dlRoot, path: "Blue.Film.2021.1080p.small.mkv" },
+        ],
+        minSizeBytes: 32,
+      },
+      READ_KEY,
+    );
+    expect(id.status).toBe(200);
+    expect(id.body.data.excludedBySize).toBe(1);
+    const [a, b] = id.body.data.items;
+    expect(a).toMatchObject({ size: 64, skipped: null });
+    expect(b).toMatchObject({ size: 12, skipped: "below_min_size", candidates: [] });
+  });
+
+  it("G3:目标已存在策略 skip / conflict / replace_with_verify 逐文件标注", async () => {
+    const other = await seedEntity(h.db, { kind: "movie", title: "Clash Film", year: 2020 });
+    await writeFile(join(h.dl, "Clash.Film.2020.1080p.WEB-DL-GRP.mkv"), big);
+    const items = [{ root: h.dlRoot, path: "Clash.Film.2020.1080p.WEB-DL-GRP.mkv", mediaEntityId: other }];
+    const first = await organize({ items });
+    const target = first.body.data.groups[0].files[0].target as string;
+    expect(first.body.data.groups[0].files[0].existing).toBeNull();
+    expect(first.body.data.groups[0].onExisting).toBe("conflict");
+    await mkdir(join(target, ".."), { recursive: true });
+    await writeFile(target, "different-content-of-another-size");
+
+    const conflict = await organize({ items });
+    const gc = conflict.body.data.groups[0];
+    expect(gc.files[0]).toMatchObject({ existing: "conflict", action: "hold" });
+    expect(gc.error.code).toBe("plan_blocked");
+
+    const skipped = await organize({ items, onExisting: "skip" });
+    const gs = skipped.body.data.groups[0];
+    expect(gs.files[0]).toMatchObject({ existing: "skip", action: "skip", skipReason: "target_exists" });
+    expect(gs.error).toBeNull();
+    expect(gs.onExisting).toBe("skip");
+
+    const replace = await organize({ items, onExisting: "replace_with_verify" });
+    const gr = replace.body.data.groups[0];
+    expect(gr.files[0]).toMatchObject({ existing: "replace", action: "replace" });
+    expect(gr.error).toBeNull();
+
+    // 策略进请求指纹:skip 的 planId 不能拿去执行 replace
+    const exec = await organize({ items, onExisting: "replace_with_verify", dryRun: false, planIds: [gs.planId] });
+    expect(exec.body.data.groups[0].error.code).toBe("plan_stale");
+  });
+
+  it("G4:命名方式 keep 保留原文件名(来源 override);template 记录模板来源/版本;执行后冻结进整理记录", async () => {
+    const items = [{ root: h.dlRoot, path: "Blue.Film.2021.2160p.BluRay.x265-GRP.mkv", mediaEntityId: film }];
+    const tpl = await organize({ items });
+    const gt = tpl.body.data.groups[0];
+    expect(gt.naming).toMatchObject({ mode: "template", templateSource: "global" });
+    expect(typeof gt.naming.templateVersion).toBe("number");
+    expect(gt.targetSegments).toEqual([{ text: "Blue Film (2021)", role: "root", bound: false }]);
+
+    const keep = await organize({ items, naming: "keep" });
+    const gk = keep.body.data.groups[0];
+    expect(gk.naming).toMatchObject({ mode: "keep", templateSource: "override" });
+    expect(basename(gk.files[0].target)).toBe("Blue.Film.2021.2160p.BluRay.x265-GRP.mkv");
+    expect(gk.files[0].target).toContain("Blue Film (2021)");
+
+    const exec = await organize({ items, naming: "keep", dryRun: false, planIds: [gk.planId], refreshMetadata: true });
+    expect(exec.status).toBe(200);
+    const g = exec.body.data.groups[0];
+    expect(g.error).toBeNull();
+    const rec = await h.db
+      .selectFrom("organization_record")
+      .select(["plan"])
+      .where("id", "=", g.recordId)
+      .executeTakeFirstOrThrow();
+    expect((rec.plan as Loose).naming).toMatchObject({ mode: "keep", templateSource: "override" });
+    // G5:整理后刷新元数据
+    expect(g.refreshTaskId).toBeTruthy();
+    expect(
+      h.engine.enqueued.some((e) => e.task === "refreshMetadata" && (e.input as Loose).mediaEntityId === film),
+    ).toBe(true);
+  });
+
+  it("G5:识别标已有整理记录;整理记录 → 源 FileRef(重新整理)", async () => {
+    const id = await h.api(
+      "POST",
+      "/files/identify",
+      { items: [{ root: h.dlRoot, path: "Blue.Film.2021.2160p.BluRay.x265-GRP.mkv" }] },
+      READ_KEY,
+    );
+    const recs = id.body.data.items[0].records;
+    expect(recs.count).toBeGreaterThanOrEqual(1);
+    expect(recs.lastRecordId).toBeTruthy();
+
+    const src = await h.api("GET", `/files/record-sources?recordId=${recs.lastRecordId}`, undefined, READ_KEY);
+    expect(src.status).toBe(200);
+    expect(src.body.data.items).toEqual([{ root: h.dlRoot, path: "Blue.Film.2021.2160p.BluRay.x265-GRP.mkv" }]);
+    expect(src.body.data.unresolved).toEqual([]);
+    expect(src.body.data.mediaEntityId).toBe(film);
+  });
+
+  it("G5:批量刷新元数据按作品去重,未登记作品跳过", async () => {
+    const reg = await seedEntity(h.db, { kind: "movie", title: "Registered Film", year: 2018 });
+    await mkdir(join(h.lib, "Registered Film (2018)"), { recursive: true });
+    await writeFile(join(h.lib, "Registered Film (2018)", "a.mkv"), big);
+    await writeFile(join(h.lib, "Registered Film (2018)", "b.mkv"), big);
+    await seedAsset(h.db, h, { entityId: reg, rel: "Registered Film (2018)/a.mkv" });
+    await seedAsset(h.db, h, { entityId: reg, rel: "Registered Film (2018)/b.mkv" });
+    const bare = await seedEntity(h.db, { kind: "movie", title: "Bare Film", year: 2017 });
+    const r = await h.api(
+      "POST",
+      "/files/scrape-batch",
+      {
+        idempotencyKey: key(),
+        items: [
+          { root: h.libRoot, path: "Registered Film (2018)/a.mkv" },
+          { root: h.libRoot, path: "Registered Film (2018)/b.mkv" },
+        ],
+        mediaEntityIds: [reg, bare],
+      },
+      EXEC_KEY,
+    );
+    expect(r.status).toBe(200);
+    expect(r.body.data.submitted.map((s: Loose) => s.mediaEntityId)).toEqual([reg]);
+    expect(r.body.data.skipped).toEqual([{ ref: bare, reason: "not_registered" }]);
+  });
+
+  it("G8:目录摘要 — 上一级、子目录是否有下级、视频/已登记计数", async () => {
+    await mkdir(join(h.lib, "Tree", "A", "Deep"), { recursive: true });
+    await mkdir(join(h.lib, "Tree", "B"), { recursive: true });
+    await writeFile(join(h.lib, "Tree", "A", "x.mkv"), big);
+    const r = await h.api("GET", `/files/tree?root=${h.libRoot}&path=Tree`, undefined, READ_KEY);
+    expect(r.status).toBe(200);
+    expect(r.body.data).toMatchObject({
+      path: "Tree",
+      name: "Tree",
+      parent: "",
+      dirs: [
+        { name: "A", path: "Tree/A", hasChildren: true },
+        { name: "B", path: "Tree/B", hasChildren: false },
+      ],
+      summary: { videoCount: 1, registeredCount: 0, partial: false },
+    });
+    const top = await h.api("GET", `/files/tree?root=${h.libRoot}&path=`, undefined, READ_KEY);
+    expect(top.body.data.parent).toBeNull();
+    expect(top.body.data.summary.registeredCount).toBeGreaterThanOrEqual(2);
+  });
+
+  it("G9:推荐名在命名引擎接入前返回 501 not_implemented", async () => {
+    const r = await h.api(
+      "POST",
+      "/files/suggest-name",
+      { root: h.dlRoot, path: "Blue.Film.2021.2160p.BluRay.x265-GRP.mkv" },
+      READ_KEY,
+    );
+    expect(r.status).toBe(501);
+    expect(r.body.error.message).toMatch(/^not_implemented:/);
+  });
+});