diff --git a/apps/web/src/api/tts.ts b/apps/web/src/api/tts.ts
deleted file mode 100644
index 5e8d854fd..000000000
--- a/apps/web/src/api/tts.ts
+++ /dev/null
@@ -1,188 +0,0 @@
-/**
- * TTS 语音合成 API
- * 对接后端 /api/v1/tts/* 端点
- *
- * 任务 3.14 新增
- */
-import apiClient from "./client"
-
-/* ── 类型定义 ──────────────────────────────────── */
-
-/** TTS 元数据（合成时附带的扩展信息） */
-export interface TTSMetadata {
-  /** 语音时长（秒） */
-  duration?: number
-  /** 采样率（Hz） */
-  sample_rate?: number
-  /** 语言 */
-  language?: string
-  /** 其他扩展字段 */
-  [key: string]: unknown
-}
-
-/** TTS 合成请求参数 */
-export interface TTSSynthesizeRequest {
-  text: string
-  voice_id?: string
-  output_name?: string
-  language?: string
-  speed?: number
-  voice_model?: string
-  voice_clone_profile_id?: string
-  format?: string
-  metadata?: TTSMetadata
-}
-
-/** TTS 合成创建响应 */
-export interface TTSSynthesizeResponse {
-  job_id: string
-  status: string
-  message: string
-}
-
-/** TTS 任务详情 */
-export interface TTSJob {
-  id: string
-  user_id: string
-  project_id: string | null
-  text: string
-  voice_id: string | null
-  voice_model: string | null
-  voice_clone_profile_id: string | null
-  language: string
-  speed: number
-  output_name: string | null
-  output_audio_url: string | null
-  output_format: string
-  duration_seconds: number | null
-  file_size_bytes: number | null
-  sample_rate: number | null
-  status: string
-  error_message: string | null
-  retry_count: number
-  max_retries: number
-  metadata_: TTSMetadata | null
-  created_at: string
-  updated_at: string
-}
-
-/** TTS 任务状态（轻量轮询用） */
-export interface TTSJobStatus {
-  id: string
-  status: string
-  output_audio_url: string | null
-  error_message: string | null
-  duration_seconds: number | null
-  retry_count: number
-}
-
-/** TTS 任务列表响应 */
-export interface TTSJobListResponse {
-  items: TTSJob[]
-  total: number
-  skip: number
-  limit: number
-}
-
-/** TTS 任务列表查询参数 */
-export interface TTSJobListParams {
-  status?: string
-  skip?: number
-  limit?: number
-}
-
-/* ── API 函数 ──────────────────────────────────── */
-
-/** 创建 TTS 合成任务 */
-export const synthesizeSpeech = async (
-  data: TTSSynthesizeRequest,
-): Promise<TTSSynthesizeResponse> => {
-  const response = await apiClient.post<TTSSynthesizeResponse>("/tts/synthesize", data)
-  return response.data
-}
-
-/** 获取 TTS 任务详情 */
-export const getTTSJob = async (jobId: string): Promise<TTSJob> => {
-  const response = await apiClient.get<TTSJob>(`/tts/jobs/${jobId}`)
-  return response.data
-}
-
-/** 获取 TTS 任务状态（轻量轮询） */
-export const getTTSJobStatus = async (jobId: string): Promise<TTSJobStatus> => {
-  const response = await apiClient.get<TTSJobStatus>(`/tts/jobs/${jobId}/status`)
-  return response.data
-}
-
-/** 获取 TTS 任务列表 */
-export const getTTSJobs = async (params?: TTSJobListParams): Promise<TTSJobListResponse> => {
-  const searchParams = new URLSearchParams()
-  if (params?.status) searchParams.set("status", params.status)
-  if (params?.skip !== undefined) searchParams.set("skip", String(params.skip))
-  if (params?.limit !== undefined) searchParams.set("limit", String(params.limit))
-  const qs = searchParams.toString()
-  const response = await apiClient.get<TTSJobListResponse>(`/tts/jobs${qs ? `?${qs}` : ""}`)
-  return response.data
-}
-
-/** 存为素材请求参数 */
-export interface SaveTtsToLibraryRequest {
-  name?: string
-  tag_ids?: string[]
-}
-
-/** 将 TTS 合成结果保存到配音库 */
-export const saveTtsToLibrary = async (
-  jobId: string,
-  data?: SaveTtsToLibraryRequest,
-): Promise<void> => {
-  await apiClient.post(`/tts/jobs/${jobId}/save-to-library`, data ?? {})
-}
-
-/** 删除 TTS 任务 */
-export const deleteTTSJob = async (jobId: string): Promise<void> => {
-  await apiClient.delete(`/tts/jobs/${jobId}`)
-}
-
-/* ── 音色列表 ──────────────────────────────────── */
-
-/** TTS 音色 */
-export interface TTSVoice {
-  id: string
-  name: string
-  /** 音色分类标签：male/female/young/service/news/emotion */
-  category?: string
-  /** 语言 */
-  language?: string
-  /** 试听 URL */
-  preview_url?: string
-  /** 描述 */
-  description?: string
-}
-
-/** 获取 TTS 音色列表 */
-export const getTtsVoices = async (): Promise<TTSVoice[]> => {
-  const response = await apiClient.get<TTSVoice[]>("/tts/voices")
-  return response.data
-}
-
-/* ── TTS 试听 ──────────────────────────────────── */
-
-/** TTS 试听请求参数 */
-export interface TTSPreviewRequest {
-  text: string
-  voice_id: string
-  speed?: number
-  pitch?: number
-}
-
-/** TTS 试听响应 */
-export interface TTSPreviewResponse {
-  audio_url: string
-  duration?: number
-}
-
-/** TTS 试听 */
-export const previewTts = async (data: TTSPreviewRequest): Promise<TTSPreviewResponse> => {
-  const response = await apiClient.post<TTSPreviewResponse>("/tts/preview", data)
-  return response.data
-}
diff --git a/apps/web/src/api/tts/index.ts b/apps/web/src/api/tts/index.ts
new file mode 100644
index 000000000..4cadefa41
--- /dev/null
+++ b/apps/web/src/api/tts/index.ts
@@ -0,0 +1,31 @@
+/**
+ * TTS 语音合成 API — 目录化入口
+ * 保持与原 tts.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type {
+  TTSMetadata,
+  TTSSynthesizeRequest,
+  TTSSynthesizeResponse,
+  TTSJob,
+  TTSJobStatus,
+  TTSJobListResponse,
+  TTSJobListParams,
+  SaveTtsToLibraryRequest,
+  TTSVoice,
+  TTSPreviewRequest,
+  TTSPreviewResponse,
+} from "./types"
+
+// API 函数
+export {
+  synthesizeSpeech,
+  getTTSJob,
+  getTTSJobStatus,
+  getTTSJobs,
+  saveTtsToLibrary,
+  deleteTTSJob,
+  getTtsVoices,
+  previewTts,
+} from "./jobs"
diff --git a/apps/web/src/api/tts/jobs.ts b/apps/web/src/api/tts/jobs.ts
new file mode 100644
index 000000000..69a5860ce
--- /dev/null
+++ b/apps/web/src/api/tts/jobs.ts
@@ -0,0 +1,72 @@
+/**
+ * TTS 语音合成 API 函数
+ */
+import apiClient from "../client"
+import type {
+  TTSSynthesizeRequest,
+  TTSSynthesizeResponse,
+  TTSJob,
+  TTSJobStatus,
+  TTSJobListResponse,
+  TTSJobListParams,
+  SaveTtsToLibraryRequest,
+  TTSVoice,
+  TTSPreviewRequest,
+  TTSPreviewResponse,
+} from "./types"
+
+/** 创建 TTS 合成任务 */
+export const synthesizeSpeech = async (
+  data: TTSSynthesizeRequest,
+): Promise<TTSSynthesizeResponse> => {
+  const response = await apiClient.post<TTSSynthesizeResponse>("/tts/synthesize", data)
+  return response.data
+}
+
+/** 获取 TTS 任务详情 */
+export const getTTSJob = async (jobId: string): Promise<TTSJob> => {
+  const response = await apiClient.get<TTSJob>(`/tts/jobs/${jobId}`)
+  return response.data
+}
+
+/** 获取 TTS 任务状态（轻量轮询） */
+export const getTTSJobStatus = async (jobId: string): Promise<TTSJobStatus> => {
+  const response = await apiClient.get<TTSJobStatus>(`/tts/jobs/${jobId}/status`)
+  return response.data
+}
+
+/** 获取 TTS 任务列表 */
+export const getTTSJobs = async (params?: TTSJobListParams): Promise<TTSJobListResponse> => {
+  const searchParams = new URLSearchParams()
+  if (params?.status) searchParams.set("status", params.status)
+  if (params?.skip !== undefined) searchParams.set("skip", String(params.skip))
+  if (params?.limit !== undefined) searchParams.set("limit", String(params.limit))
+  const qs = searchParams.toString()
+  const response = await apiClient.get<TTSJobListResponse>(`/tts/jobs${qs ? `?${qs}` : ""}`)
+  return response.data
+}
+
+/** 将 TTS 合成结果保存到配音库 */
+export const saveTtsToLibrary = async (
+  jobId: string,
+  data?: SaveTtsToLibraryRequest,
+): Promise<void> => {
+  await apiClient.post(`/tts/jobs/${jobId}/save-to-library`, data ?? {})
+}
+
+/** 删除 TTS 任务 */
+export const deleteTTSJob = async (jobId: string): Promise<void> => {
+  await apiClient.delete(`/tts/jobs/${jobId}`)
+}
+
+/** 获取 TTS 音色列表 */
+export const getTtsVoices = async (): Promise<TTSVoice[]> => {
+  const response = await apiClient.get<TTSVoice[]>("/tts/voices")
+  return response.data
+}
+
+/** TTS 试听 */
+export const previewTts = async (data: TTSPreviewRequest): Promise<TTSPreviewResponse> => {
+  const response = await apiClient.post<TTSPreviewResponse>("/tts/preview", data)
+  return response.data
+}
diff --git a/apps/web/src/api/tts/types.ts b/apps/web/src/api/tts/types.ts
new file mode 100644
index 000000000..39e1046d5
--- /dev/null
+++ b/apps/web/src/api/tts/types.ts
@@ -0,0 +1,112 @@
+/**
+ * TTS 语音合成类型定义
+ */
+
+/** TTS 元数据 */
+export interface TTSMetadata {
+  duration?: number
+  sample_rate?: number
+  language?: string
+  [key: string]: unknown
+}
+
+/** TTS 合成请求参数 */
+export interface TTSSynthesizeRequest {
+  text: string
+  voice_id?: string
+  output_name?: string
+  language?: string
+  speed?: number
+  voice_model?: string
+  voice_clone_profile_id?: string
+  format?: string
+  metadata?: TTSMetadata
+}
+
+/** TTS 合成创建响应 */
+export interface TTSSynthesizeResponse {
+  job_id: string
+  status: string
+  message: string
+}
+
+/** TTS 任务详情 */
+export interface TTSJob {
+  id: string
+  user_id: string
+  project_id: string | null
+  text: string
+  voice_id: string | null
+  voice_model: string | null
+  voice_clone_profile_id: string | null
+  language: string
+  speed: number
+  output_name: string | null
+  output_audio_url: string | null
+  output_format: string
+  duration_seconds: number | null
+  file_size_bytes: number | null
+  sample_rate: number | null
+  status: string
+  error_message: string | null
+  retry_count: number
+  max_retries: number
+  metadata_: TTSMetadata | null
+  created_at: string
+  updated_at: string
+}
+
+/** TTS 任务状态（轻量轮询用） */
+export interface TTSJobStatus {
+  id: string
+  status: string
+  output_audio_url: string | null
+  error_message: string | null
+  duration_seconds: number | null
+  retry_count: number
+}
+
+/** TTS 任务列表响应 */
+export interface TTSJobListResponse {
+  items: TTSJob[]
+  total: number
+  skip: number
+  limit: number
+}
+
+/** TTS 任务列表查询参数 */
+export interface TTSJobListParams {
+  status?: string
+  skip?: number
+  limit?: number
+}
+
+/** 存为素材请求参数 */
+export interface SaveTtsToLibraryRequest {
+  name?: string
+  tag_ids?: string[]
+}
+
+/** TTS 音色 */
+export interface TTSVoice {
+  id: string
+  name: string
+  category?: string
+  language?: string
+  preview_url?: string
+  description?: string
+}
+
+/** TTS 试听请求参数 */
+export interface TTSPreviewRequest {
+  text: string
+  voice_id: string
+  speed?: number
+  pitch?: number
+}
+
+/** TTS 试听响应 */
+export interface TTSPreviewResponse {
+  audio_url: string
+  duration?: number
+}