Merge branch 'develop' into refactor/voices-api

将 145 行的 voices.ts 拆分为目录化结构：
- types.ts: 类型定义（统一音色/预设音色/旧接口类型）
- voices.ts: 全部 7 个 API 函数（新统一音色 + 旧接口兼容）
- index.ts: 统一入口 re-export，保持 @/api/voices 路径向后兼容

主入口从 145 行减少到约 30 行，按职责清晰分层。

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

@@ -0,0 +1,26 @@
+/**
+ * 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

@@ -0,0 +1,81 @@
+/**
+ * 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
+}

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

@@ -1,68 +1,15 @@
 /**
- * 配音相关 API
- * Phase 1 新增：全局配音库
- *
+ * 配音相关 API 函数
  * 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"
-
-/* ── 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
-}
+import apiClient from "../client"
+import type {
+  CreateVoiceRequest,
+  PresetVoiceListResponse,
+  UnifiedVoiceListParams,
+  UnifiedVoiceListResponse,
+  VoiceItem,
+} from "./types"
 
 /** 获取统一音色列表（推荐） */
 export const fetchVoices = async (
@@ -86,28 +33,6 @@ 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/pages/editing-planner/components/CoverSelector.tsx

@@ -1,5 +1,286 @@
 /**
- * 封面选择器入口（向后兼容）
- * 实际实现位于 ./cover-selector/ 目录
+ * 封面选择器
+ * 抽帧选封面 + 上传自定义封面 + 智能封面推荐
  */
-export { default } from "./cover-selector"
+import React, { useCallback, useRef, useState } from "react"
+import { Drawer } from "antd"
+import type { CoverConfig, CoverMode } from "../types"
+import { DEFAULT_COVER_CONFIG } from "../types"
+
+interface CoverSelectorProps {
+  open: boolean
+  onClose: () => void
+  config: CoverConfig
+  onChange: (config: CoverConfig) => void
+  totalDuration: number
+}
+
+/** 封面模式标签 */
+const MODE_LABELS: Record<CoverMode, string> = {
+  auto: "智能封面",
+  frame: "抽帧选封面",
+  upload: "上传封面",
+}
+
+/** 封面模式图标 */
+const MODE_ICONS: Record<CoverMode, string> = {
+  auto: "🤖",
+  frame: "🎞️",
+  upload: "📤",
+}
+
+const CoverSelector: React.FC<CoverSelectorProps> = ({
+  open,
+  onClose,
+  config,
+  onChange,
+  totalDuration,
+}) => {
+  const fileInputRef = useRef<HTMLInputElement>(null)
+  const [isDragging, setIsDragging] = useState(false)
+
+  const update = useCallback(
+    (partial: Partial<CoverConfig>) => {
+      onChange({ ...config, ...partial })
+    },
+    [config, onChange],
+  )
+
+  const handleReset = useCallback(() => {
+    onChange({ ...DEFAULT_COVER_CONFIG, enabled: config.enabled })
+  }, [config.enabled, onChange])
+
+  /** 切换模式 */
+  const handleModeChange = useCallback(
+    (mode: CoverMode) => {
+      update({ mode })
+    },
+    [update],
+  )
+
+  /** 处理文件上传 */
+  const handleFileUpload = useCallback(
+    (file: File) => {
+      if (!file.type.startsWith("image/")) return
+      const reader = new FileReader()
+      reader.onload = (e) => {
+        const url = e.target?.result as string
+        update({ upload_url: url, thumbnail_url: url, mode: "upload" })
+      }
+      reader.readAsDataURL(file)
+    },
+    [update],
+  )
+
+  /** 拖拽上传 */
+  const handleDrop = useCallback(
+    (e: React.DragEvent) => {
+      e.preventDefault()
+      setIsDragging(false)
+      const file = e.dataTransfer.files[0]
+      if (file) handleFileUpload(file)
+    },
+    [handleFileUpload],
+  )
+
+  /** 使用 AI 推荐时间 */
+  const handleUseAiSuggestion = useCallback(() => {
+    if (config.ai_suggested_time !== null) {
+      update({ frame_time: config.ai_suggested_time, mode: "frame" })
+    }
+  }, [config.ai_suggested_time, update])
+
+  /** 格式化时间 */
+  const formatTime = (seconds: number) => {
+    const m = Math.floor(seconds / 60)
+    const s = Math.floor(seconds % 60)
+    const ms = Math.floor((seconds % 1) * 10)
+    return `${m.toString().padStart(2, "0")}:${s.toString().padStart(2, "0")}.${ms}`
+  }
+
+  return (
+    <Drawer
+      title="封面选择"
+      placement="right"
+      width={440}
+      open={open}
+      onClose={onClose}
+      className="cover-selector-drawer"
+    >
+      {/* 顶部开关 */}
+      <div className="cover-header">
+        <span className="cover-header-label">启用自定义封面</span>
+        <label className="cover-switch">
+          <input
+            type="checkbox"
+            checked={config.enabled}
+            onChange={(e) => update({ enabled: e.target.checked })}
+          />
+          <span className="cover-switch-slider" />
+        </label>
+      </div>
+
+      {/* 模式选择 */}
+      <div className="cover-mode-section">
+        <div className="cover-section-title">封面来源</div>
+        <div className="cover-mode-tabs">
+          {(["auto", "frame", "upload"] as CoverMode[]).map((m) => (
+            <button
+              key={m}
+              className={`cover-mode-tab${config.mode === m ? " active" : ""}`}
+              onClick={() => handleModeChange(m)}
+            >
+              <span className="cover-mode-icon">{MODE_ICONS[m]}</span>
+              <span className="cover-mode-label">{MODE_LABELS[m]}</span>
+            </button>
+          ))}
+        </div>
+      </div>
+
+      {/* 模式内容区 */}
+      <div className="cover-mode-content">
+        {/* 智能封面 */}
+        {config.mode === "auto" && (
+          <div className="cover-auto-section">
+            <div className="cover-auto-desc">
+              AI 将分析视频内容，自动选择最具吸引力的画面作为封面。
+            </div>
+            {config.ai_suggested_time !== null ? (
+              <div className="cover-auto-suggestion">
+                <div className="cover-auto-badge">AI 推荐</div>
+                <div className="cover-auto-time">
+                  推荐时间点：{formatTime(config.ai_suggested_time)}
+                </div>
+                <button className="cover-auto-use-btn" onClick={handleUseAiSuggestion}>
+                  使用此时间点
+                </button>
+              </div>
+            ) : (
+              <div className="cover-auto-pending">
+                <div className="cover-auto-spinner" />
+                <span>AI 分析中...（生成视频后自动推荐）</span>
+              </div>
+            )}
+          </div>
+        )}
+
+        {/* 抽帧选封面 */}
+        {config.mode === "frame" && (
+          <div className="cover-frame-section">
+            <div className="cover-frame-preview">
+              <div className="cover-frame-placeholder">
+                <span className="cover-frame-icon">🎞️</span>
+                <span className="cover-frame-time">{formatTime(config.frame_time)}</span>
+              </div>
+            </div>
+            <div className="cover-frame-timeline">
+              <div className="cover-frame-slider-header">
+                <span className="cover-frame-slider-label">拖动选择封面帧</span>
+                <span className="cover-frame-slider-value">{formatTime(config.frame_time)}</span>
+              </div>
+              <input
+                type="range"
+                className="cover-frame-slider"
+                min={0}
+                max={Math.max(totalDuration, 1)}
+                step={0.1}
+                value={config.frame_time}
+                onChange={(e) => update({ frame_time: Number(e.target.value) })}
+              />
+              <div className="cover-frame-range">
+                <span>00:00</span>
+                <span>{formatTime(totalDuration)}</span>
+              </div>
+            </div>
+            {/* 快捷时间点 */}
+            <div className="cover-frame-quick">
+              <span className="cover-quick-label">快捷选帧：</span>
+              {[0, 0.25, 0.5, 0.75].map((ratio) => {
+                const t = totalDuration * ratio
+                return (
+                  <button
+                    key={ratio}
+                    className="cover-quick-btn"
+                    onClick={() => update({ frame_time: t })}
+                  >
+                    {formatTime(t)}
+                  </button>
+                )
+              })}
+            </div>
+          </div>
+        )}
+
+        {/* 上传封面 */}
+        {config.mode === "upload" && (
+          <div className="cover-upload-section">
+            <div
+              className={`cover-upload-area${isDragging ? " dragging" : ""}`}
+              onDragOver={(e) => {
+                e.preventDefault()
+                setIsDragging(true)
+              }}
+              onDragLeave={() => setIsDragging(false)}
+              onDrop={handleDrop}
+              onClick={() => fileInputRef.current?.click()}
+            >
+              {config.upload_url ? (
+                <div className="cover-upload-preview">
+                  <img src={config.upload_url} alt="封面预览" />
+                  <div className="cover-upload-overlay">点击更换</div>
+                </div>
+              ) : (
+                <div className="cover-upload-placeholder">
+                  <span className="cover-upload-icon">📤</span>
+                  <span className="cover-upload-text">点击或拖拽上传封面图片</span>
+                  <span className="cover-upload-hint">支持 JPG / PNG，建议 16:9 比例</span>
+                </div>
+              )}
+              <input
+                ref={fileInputRef}
+                type="file"
+                accept="image/*"
+                style={{ display: "none" }}
+                onChange={(e) => {
+                  const file = e.target.files?.[0]
+                  if (file) handleFileUpload(file)
+                }}
+              />
+            </div>
+          </div>
+        )}
+      </div>
+
+      {/* 封面预览 */}
+      <div className="cover-preview-section">
+        <div className="cover-section-title">封面预览</div>
+        <div className="cover-preview-box">
+          {config.upload_url ? (
+            <img src={config.upload_url} alt="封面预览" className="cover-preview-img" />
+          ) : (
+            <div className="cover-preview-placeholder">
+              <span className="cover-preview-icon">🖼️</span>
+              <span className="cover-preview-text">
+                {config.mode === "auto"
+                  ? "AI 智能选择"
+                  : config.mode === "frame"
+                    ? `帧 ${formatTime(config.frame_time)}`
+                    : "未上传封面"}
+              </span>
+            </div>
+          )}
+          <div className="cover-preview-ratio">16:9</div>
+        </div>
+      </div>
+
+      {/* 底部 */}
+      <div className="cover-footer">
+        <button className="cover-reset-btn" onClick={handleReset}>
+          重置封面
+        </button>
+      </div>
+    </Drawer>
+  )
+}
+
+export default CoverSelector

apps/web/src/pages/editing-planner/components/cover-selector/CoverModePanels.tsx

@@ -1,143 +0,0 @@
-import React from "react"
-import type { CoverConfig } from "../../types"
-
-interface CoverAutoModeProps {
-  config: CoverConfig
-  formatTime: (s: number) => string
-  onUseAiSuggestion: () => void
-}
-
-/** 智能封面模式面板 */
-export const CoverAutoMode: React.FC<CoverAutoModeProps> = ({
-  config,
-  formatTime,
-  onUseAiSuggestion,
-}) => (
-  <div className="cover-auto-section">
-    <div className="cover-auto-desc">AI 将分析视频内容，自动选择最具吸引力的画面作为封面。</div>
-    {config.ai_suggested_time !== null ? (
-      <div className="cover-auto-suggestion">
-        <div className="cover-auto-badge">AI 推荐</div>
-        <div className="cover-auto-time">推荐时间点：{formatTime(config.ai_suggested_time)}</div>
-        <button className="cover-auto-use-btn" onClick={onUseAiSuggestion}>
-          使用此时间点
-        </button>
-      </div>
-    ) : (
-      <div className="cover-auto-pending">
-        <div className="cover-auto-spinner" />
-        <span>AI 分析中...（生成视频后自动推荐）</span>
-      </div>
-    )}
-  </div>
-)
-
-interface CoverFrameModeProps {
-  config: CoverConfig
-  totalDuration: number
-  formatTime: (s: number) => string
-  onFrameTimeChange: (time: number) => void
-}
-
-/** 抽帧选封面模式面板 */
-export const CoverFrameMode: React.FC<CoverFrameModeProps> = ({
-  config,
-  totalDuration,
-  formatTime,
-  onFrameTimeChange,
-}) => (
-  <div className="cover-frame-section">
-    <div className="cover-frame-preview">
-      <div className="cover-frame-placeholder">
-        <span className="cover-frame-icon">🎞️</span>
-        <span className="cover-frame-time">{formatTime(config.frame_time)}</span>
-      </div>
-    </div>
-    <div className="cover-frame-timeline">
-      <div className="cover-frame-slider-header">
-        <span className="cover-frame-slider-label">拖动选择封面帧</span>
-        <span className="cover-frame-slider-value">{formatTime(config.frame_time)}</span>
-      </div>
-      <input
-        type="range"
-        className="cover-frame-slider"
-        min={0}
-        max={Math.max(totalDuration, 1)}
-        step={0.1}
-        value={config.frame_time}
-        onChange={(e) => onFrameTimeChange(Number(e.target.value))}
-      />
-      <div className="cover-frame-range">
-        <span>00:00</span>
-        <span>{formatTime(totalDuration)}</span>
-      </div>
-    </div>
-    <div className="cover-frame-quick">
-      <span className="cover-quick-label">快捷选帧：</span>
-      {[0, 0.25, 0.5, 0.75].map((ratio) => {
-        const t = totalDuration * ratio
-        return (
-          <button key={ratio} className="cover-quick-btn" onClick={() => onFrameTimeChange(t)}>
-            {formatTime(t)}
-          </button>
-        )
-      })}
-    </div>
-  </div>
-)
-
-interface CoverUploadModeProps {
-  config: CoverConfig
-  isDragging: boolean
-  fileInputRef: React.RefObject<HTMLInputElement>
-  onDragOver: (e: React.DragEvent) => void
-  onDragLeave: () => void
-  onDrop: (e: React.DragEvent) => void
-  onAreaClick: () => void
-  onFileChange: (file: File) => void
-}
-
-/** 上传封面模式面板 */
-export const CoverUploadMode: React.FC<CoverUploadModeProps> = ({
-  config,
-  isDragging,
-  fileInputRef,
-  onDragOver,
-  onDragLeave,
-  onDrop,
-  onAreaClick,
-  onFileChange,
-}) => (
-  <div className="cover-upload-section">
-    <div
-      className={`cover-upload-area${isDragging ? " dragging" : ""}`}
-      onDragOver={onDragOver}
-      onDragLeave={onDragLeave}
-      onDrop={onDrop}
-      onClick={onAreaClick}
-    >
-      {config.upload_url ? (
-        <div className="cover-upload-preview">
-          <img src={config.upload_url} alt="封面预览" />
-          <div className="cover-upload-overlay">点击更换</div>
-        </div>
-      ) : (
-        <div className="cover-upload-placeholder">
-          <span className="cover-upload-icon">📤</span>
-          <span className="cover-upload-text">点击或拖拽上传封面图片</span>
-          <span className="cover-upload-hint">支持 JPG / PNG，建议 16:9 比例</span>
-        </div>
-      )}
-      <input
-        ref={fileInputRef}
-        type="file"
-        accept="image/*"
-        style={{ display: "none" }}
-        onChange={(e) => {
-          const file = e.target.files?.[0]
-          if (file) onFileChange(file)
-        }}
-      />
-    </div>
-  </div>
-)

apps/web/src/pages/editing-planner/components/cover-selector/index.tsx

@@ -1,146 +0,0 @@
-/**
- * 封面选择器
- * 抽帧选封面 + 上传自定义封面 + 智能封面推荐
- */
-import React from "react"
-import { Drawer } from "antd"
-import type { CoverConfig, CoverMode } from "../../types"
-import { useCoverSelector, MODE_LABELS, MODE_ICONS } from "./useCoverSelector"
-import { CoverAutoMode, CoverFrameMode, CoverUploadMode } from "./CoverModePanels"
-
-interface CoverSelectorProps {
-  open: boolean
-  onClose: () => void
-  config: CoverConfig
-  onChange: (config: CoverConfig) => void
-  totalDuration: number
-}
-
-const CoverSelector: React.FC<CoverSelectorProps> = ({
-  open,
-  onClose,
-  config,
-  onChange,
-  totalDuration,
-}) => {
-  const {
-    fileInputRef,
-    isDragging,
-    setIsDragging,
-    update,
-    handleReset,
-    handleModeChange,
-    handleFileUpload,
-    handleDrop,
-    handleUseAiSuggestion,
-    formatTime,
-  } = useCoverSelector({ config, onChange })
-
-  return (
-    <Drawer
-      title="封面选择"
-      placement="right"
-      width={440}
-      open={open}
-      onClose={onClose}
-      className="cover-selector-drawer"
-    >
-      {/* 顶部开关 */}
-      <div className="cover-header">
-        <span className="cover-header-label">启用自定义封面</span>
-        <label className="cover-switch">
-          <input
-            type="checkbox"
-            checked={config.enabled}
-            onChange={(e) => update({ enabled: e.target.checked })}
-          />
-          <span className="cover-switch-slider" />
-        </label>
-      </div>
-
-      {/* 模式选择 */}
-      <div className="cover-mode-section">
-        <div className="cover-section-title">封面来源</div>
-        <div className="cover-mode-tabs">
-          {(["auto", "frame", "upload"] as CoverMode[]).map((m) => (
-            <button
-              key={m}
-              className={`cover-mode-tab${config.mode === m ? " active" : ""}`}
-              onClick={() => handleModeChange(m)}
-            >
-              <span className="cover-mode-icon">{MODE_ICONS[m]}</span>
-              <span className="cover-mode-label">{MODE_LABELS[m]}</span>
-            </button>
-          ))}
-        </div>
-      </div>
-
-      {/* 模式内容区 */}
-      <div className="cover-mode-content">
-        {config.mode === "auto" && (
-          <CoverAutoMode
-            config={config}
-            formatTime={formatTime}
-            onUseAiSuggestion={handleUseAiSuggestion}
-          />
-        )}
-
-        {config.mode === "frame" && (
-          <CoverFrameMode
-            config={config}
-            totalDuration={totalDuration}
-            formatTime={formatTime}
-            onFrameTimeChange={(t) => update({ frame_time: t })}
-          />
-        )}
-
-        {config.mode === "upload" && (
-          <CoverUploadMode
-            config={config}
-            isDragging={isDragging}
-            fileInputRef={fileInputRef}
-            onDragOver={(e) => {
-              e.preventDefault()
-              setIsDragging(true)
-            }}
-            onDragLeave={() => setIsDragging(false)}
-            onDrop={handleDrop}
-            onAreaClick={() => fileInputRef.current?.click()}
-            onFileChange={handleFileUpload}
-          />
-        )}
-      </div>
-
-      {/* 封面预览 */}
-      <div className="cover-preview-section">
-        <div className="cover-section-title">封面预览</div>
-        <div className="cover-preview-box">
-          {config.upload_url ? (
-            <img src={config.upload_url} alt="封面预览" className="cover-preview-img" />
-          ) : (
-            <div className="cover-preview-placeholder">
-              <span className="cover-preview-icon">🖼️</span>
-              <span className="cover-preview-text">
-                {config.mode === "auto"
-                  ? "AI 智能选择"
-                  : config.mode === "frame"
-                    ? `帧 ${formatTime(config.frame_time)}`
-                    : "未上传封面"}
-              </span>
-            </div>
-          )}
-          <div className="cover-preview-ratio">16:9</div>
-        </div>
-      </div>
-
-      {/* 底部 */}
-      <div className="cover-footer">
-        <button className="cover-reset-btn" onClick={handleReset}>
-          重置封面
-        </button>
-      </div>
-    </Drawer>
-  )
-}
-
-export default CoverSelector

apps/web/src/pages/editing-planner/components/cover-selector/useCoverSelector.ts

@@ -1,98 +0,0 @@
-import { useCallback, useRef, useState } from "react"
-import type { CoverConfig, CoverMode } from "../../types"
-import { DEFAULT_COVER_CONFIG } from "../../types"
-
-/** 封面模式标签 */
-export const MODE_LABELS: Record<CoverMode, string> = {
-  auto: "智能封面",
-  frame: "抽帧选封面",
-  upload: "上传封面",
-}
-
-/** 封面模式图标 */
-export const MODE_ICONS: Record<CoverMode, string> = {
-  auto: "🤖",
-  frame: "🎞️",
-  upload: "📤",
-}
-
-interface UseCoverSelectorOptions {
-  config: CoverConfig
-  onChange: (config: CoverConfig) => void
-}
-
-/**
- * 封面选择器 Hook
- * 封装状态管理、文件上传、模式切换等逻辑
- */
-export function useCoverSelector({ config, onChange }: UseCoverSelectorOptions) {
-  const fileInputRef = useRef<HTMLInputElement>(null)
-  const [isDragging, setIsDragging] = useState(false)
-
-  const update = useCallback(
-    (partial: Partial<CoverConfig>) => {
-      onChange({ ...config, ...partial })
-    },
-    [config, onChange],
-  )
-
-  const handleReset = useCallback(() => {
-    onChange({ ...DEFAULT_COVER_CONFIG, enabled: config.enabled })
-  }, [config.enabled, onChange])
-
-  const handleModeChange = useCallback(
-    (mode: CoverMode) => {
-      update({ mode })
-    },
-    [update],
-  )
-
-  const handleFileUpload = useCallback(
-    (file: File) => {
-      if (!file.type.startsWith("image/")) return
-      const reader = new FileReader()
-      reader.onload = (e) => {
-        const url = e.target?.result as string
-        update({ upload_url: url, thumbnail_url: url, mode: "upload" })
-      }
-      reader.readAsDataURL(file)
-    },
-    [update],
-  )
-
-  const handleDrop = useCallback(
-    (e: React.DragEvent) => {
-      e.preventDefault()
-      setIsDragging(false)
-      const file = e.dataTransfer.files[0]
-      if (file) handleFileUpload(file)
-    },
-    [handleFileUpload],
-  )
-
-  const handleUseAiSuggestion = useCallback(() => {
-    if (config.ai_suggested_time !== null) {
-      update({ frame_time: config.ai_suggested_time, mode: "frame" })
-    }
-  }, [config.ai_suggested_time, update])
-
-  const formatTime = (seconds: number) => {
-    const m = Math.floor(seconds / 60)
-    const s = Math.floor(seconds % 60)
-    const ms = Math.floor((seconds % 1) * 10)
-    return `${m.toString().padStart(2, "0")}:${s.toString().padStart(2, "0")}.${ms}`
-  }
-
-  return {
-    fileInputRef,
-    isDragging,
-    setIsDragging,
-    update,
-    handleReset,
-    handleModeChange,
-    handleFileUpload,
-    handleDrop,
-    handleUseAiSuggestion,
-    formatTime,
-  }
-}