Merge branch 'develop' into refactor/upgrade-subscription-split

主文件 235→155 行（-34%），拆分为：
- constants: 套餐元数据 + 价格工具函数
- SubscriptionUI: BillingCycleSwitch + Spinner 子组件
- useSubscription: 订阅查询、变更、续费、取消等逻辑
- UpgradeSubscription: 页面入口 + 布局 + 确认框交互

导入路径保持向后兼容

apps/web/src/api/voices.ts

@@ -1,15 +1,68 @@
 /**
- * 配音相关 API 函数
+ * 配音相关 API
+ * Phase 1 新增：全局配音库
+ *
  * 任务 3.11：新增统一音色 API（对接后端 3.04），保留旧接口向后兼容
  */
-import apiClient from "../client"
-import type {
-  CreateVoiceRequest,
-  PresetVoiceListResponse,
-  UnifiedVoiceListParams,
-  UnifiedVoiceListResponse,
-  VoiceItem,
-} from "./types"
+import apiClient from "./client"
+
+/* ── 统一音色 API（后端 3.04） ─────────────────────────── */
+
+/** 统一音色条目（preset + clone 混合） */
+export interface UnifiedVoiceItem {
+  id: string
+  type: "preset" | "clone"
+  name: string
+  description: string
+  gender: string
+  language: string
+  voice_id: string
+  voice_provider: string
+  audio_url: string | null
+  preview_url: string | null
+  duration: number | null
+  file_size: number | null
+  status: string
+  tags: string[]
+  user_id: string | null
+  project_id: string | null
+  voice_clone_profile_id: string | null
+  created_at: string | null
+  updated_at: string | null
+}
+
+/** 统一音色列表响应 */
+export interface UnifiedVoiceListResponse {
+  items: UnifiedVoiceItem[]
+  total: number
+  preset_count: number
+  clone_count: number
+}
+
+/** 预设音色条目 */
+export interface PresetVoiceItem {
+  voice_id: string
+  name: string
+  description: string
+  gender: string
+  language: string
+  preview_url: string | null
+  tags: string[]
+}
+
+/** 预设音色列表响应 */
+export interface PresetVoiceListResponse {
+  items: PresetVoiceItem[]
+  total: number
+}
+
+/** 统一列表查询参数 */
+export interface UnifiedVoiceListParams {
+  type?: "preset" | "clone"
+  status?: string
+  skip?: number
+  limit?: number
+}
 
 /** 获取统一音色列表（推荐） */
 export const fetchVoices = async (
@@ -33,6 +86,28 @@ export const fetchPresetVoices = async (): Promise<PresetVoiceListResponse> => {
 
 /* ── 向后兼容（旧接口） ────────────────────────────────── */
 
+/** 配音条目（旧） */
+export interface VoiceItem {
+  id: string
+  name: string
+  text: string
+  voice_type?: string
+  duration_seconds?: number
+  storage_key?: string
+  audio_url?: string
+  status?: string
+  is_favorite?: boolean
+  created_at?: string
+  updated_at?: string
+}
+
+/** 创建配音请求（旧） */
+export interface CreateVoiceRequest {
+  name: string
+  text: string
+  voice_type?: string
+}
+
 /** 获取当前用户的所有配音（旧 → /voices/legacy） */
 export const getVoices = async (): Promise<VoiceItem[]> => {
   const response = await apiClient.get("/voices/legacy")

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

@@ -1,26 +0,0 @@
-/**
- * 配音相关 API — 目录化入口
- * 保持与原 voices.ts 相同导出，向后兼容
- */
-
-// 类型
-export type {
-  UnifiedVoiceItem,
-  UnifiedVoiceListResponse,
-  PresetVoiceItem,
-  PresetVoiceListResponse,
-  UnifiedVoiceListParams,
-  VoiceItem,
-  CreateVoiceRequest,
-} from "./types"
-
-// API 函数
-export {
-  fetchVoices,
-  fetchPresetVoices,
-  getVoices,
-  createVoice,
-  updateVoice,
-  deleteVoice,
-  generateAIVoice,
-} from "./voices"

apps/web/src/api/voices/types.ts

@@ -1,81 +0,0 @@
-/**
- * 配音相关类型定义
- */
-
-/** 统一音色条目（preset + clone 混合） */
-export interface UnifiedVoiceItem {
-  id: string
-  type: "preset" | "clone"
-  name: string
-  description: string
-  gender: string
-  language: string
-  voice_id: string
-  voice_provider: string
-  audio_url: string | null
-  preview_url: string | null
-  duration: number | null
-  file_size: number | null
-  status: string
-  tags: string[]
-  user_id: string | null
-  project_id: string | null
-  voice_clone_profile_id: string | null
-  created_at: string | null
-  updated_at: string | null
-}
-
-/** 统一音色列表响应 */
-export interface UnifiedVoiceListResponse {
-  items: UnifiedVoiceItem[]
-  total: number
-  preset_count: number
-  clone_count: number
-}
-
-/** 预设音色条目 */
-export interface PresetVoiceItem {
-  voice_id: string
-  name: string
-  description: string
-  gender: string
-  language: string
-  preview_url: string | null
-  tags: string[]
-}
-
-/** 预设音色列表响应 */
-export interface PresetVoiceListResponse {
-  items: PresetVoiceItem[]
-  total: number
-}
-
-/** 统一列表查询参数 */
-export interface UnifiedVoiceListParams {
-  type?: "preset" | "clone"
-  status?: string
-  skip?: number
-  limit?: number
-}
-
-/** 配音条目（旧） */
-export interface VoiceItem {
-  id: string
-  name: string
-  text: string
-  voice_type?: string
-  duration_seconds?: number
-  storage_key?: string
-  audio_url?: string
-  status?: string
-  is_favorite?: boolean
-  created_at?: string
-  updated_at?: string
-}
-
-/** 创建配音请求（旧） */
-export interface CreateVoiceRequest {
-  name: string
-  text: string
-  voice_type?: string
-}