Merge branch 'develop' into refactor/use-step4-title-split

主文件 251→75 行（-70%），拆分为：
- useAiTitleGenerator: AI 标题生成、刷新、选择逻辑
- useTitleStyleUpdaters: 标题文字/位置/字体/样式等所有设置更新
- index: 组合入口 + 标题库数据查询

导入路径保持向后兼容

apps/web/src/api/duplication.ts

@@ -1,6 +1,8 @@
 /**
- * 查重相关类型定义
+ * 查重 API 模块
+ * 提供视频查重相关接口
  */
+import apiClient from "./client"
 
 /** 查重记录状态 */
 export type DuplicationStatus = "pending" | "processing" | "completed" | "failed"
@@ -60,3 +62,38 @@ export interface DuplicationUploadResponse {
   /** 消息 */
   message: string
 }
+
+// ============ API 函数 ============
+
+/** 上传视频进行查重 */
+export const uploadForDuplication = async (file: File): Promise<DuplicationUploadResponse> => {
+  const formData = new FormData()
+  formData.append("file", file)
+  const response = await apiClient.post("/duplication/upload", formData, {
+    headers: { "Content-Type": "multipart/form-data" },
+  })
+  return response.data
+}
+
+/** 获取查重记录列表 */
+export const getDuplicationRecords = async (): Promise<DuplicationRecord[]> => {
+  const response = await apiClient.get("/duplication/records")
+  return response.data
+}
+
+/** 获取查重详情 */
+export const getDuplicationDetail = async (recordId: string): Promise<DuplicationDetail> => {
+  const response = await apiClient.get(`/duplication/records/${recordId}`)
+  return response.data
+}
+
+/** 删除查重记录 */
+export const deleteDuplicationRecord = async (recordId: string): Promise<void> => {
+  await apiClient.delete(`/duplication/records/${recordId}`)
+}
+
+/** 重新查重 */
+export const retryDuplication = async (recordId: string): Promise<DuplicationUploadResponse> => {
+  const response = await apiClient.post(`/duplication/records/${recordId}/retry`)
+  return response.data
+}

apps/web/src/api/duplication/duplication.ts

@@ -1,38 +0,0 @@
-/**
- * 查重 API 函数
- */
-import apiClient from "../client"
-import type { DuplicationDetail, DuplicationRecord, DuplicationUploadResponse } from "./types"
-
-/** 上传视频进行查重 */
-export const uploadForDuplication = async (file: File): Promise<DuplicationUploadResponse> => {
-  const formData = new FormData()
-  formData.append("file", file)
-  const response = await apiClient.post("/duplication/upload", formData, {
-    headers: { "Content-Type": "multipart/form-data" },
-  })
-  return response.data
-}
-
-/** 获取查重记录列表 */
-export const getDuplicationRecords = async (): Promise<DuplicationRecord[]> => {
-  const response = await apiClient.get("/duplication/records")
-  return response.data
-}
-
-/** 获取查重详情 */
-export const getDuplicationDetail = async (recordId: string): Promise<DuplicationDetail> => {
-  const response = await apiClient.get(`/duplication/records/${recordId}`)
-  return response.data
-}
-
-/** 删除查重记录 */
-export const deleteDuplicationRecord = async (recordId: string): Promise<void> => {
-  await apiClient.delete(`/duplication/records/${recordId}`)
-}
-
-/** 重新查重 */
-export const retryDuplication = async (recordId: string): Promise<DuplicationUploadResponse> => {
-  const response = await apiClient.post(`/duplication/records/${recordId}/retry`)
-  return response.data
-}

apps/web/src/api/duplication/index.ts

@@ -1,22 +0,0 @@
-/**
- * 查重 API — 目录化入口
- * 保持与原 duplication.ts 相同导出，向后兼容
- */
-
-// 类型
-export type {
-  DuplicationStatus,
-  DuplicationRecord,
-  DuplicateSegment,
-  DuplicationDetail,
-  DuplicationUploadResponse,
-} from "./types"
-
-// API 函数
-export {
-  uploadForDuplication,
-  getDuplicationRecords,
-  getDuplicationDetail,
-  deleteDuplicationRecord,
-  retryDuplication,
-} from "./duplication"