fix(ci): 修复CI Gate失败时返回exit 0而非exit 1的P0 Bug

refactor(voices): 拆分 TtsModal 为子组件（258→53行, -79%） (#1051 )
test(wave136): 多轨混音纯逻辑抽离 + 71单测 (#1050 )
2026-07-28 10:13:32 +08:00 · 2026-07-28 10:03:16 +08:00 · 2026-07-28 09:53:23 +08:00 · 2026-07-28 09:43:08 +08:00 · 2026-07-28 09:42:55 +08:00 · 2026-07-28 09:42:49 +08:00
755 changed files with 106732 additions and 36972 deletions
@@ -0,0 +1,161 @@
+name: ACR Cleanup
+
+on:
+  schedule:
+    - cron: '0 19 * * *'  # UTC 19:00 = 北京时间凌晨3:00
+  workflow_dispatch:
+    inputs:
+      pr_sha:
+        description: "PR commit SHA（仅清理指定PR镜像，留空则全量清理）"
+        required: false
+        default: ""
+      dry_run:
+        description: "预览模式（dry-run），不实际删除"
+        required: false
+        default: "true"
+  pull_request_target:
+    types: [closed]
+    branches: [develop, main]
+
+concurrency:
+  group: acr-cleanup-${{ gitea.ref }}
+  cancel-in-progress: false
+
+jobs:
+  cleanup:
+    name: ACR Image Cleanup
+    runs-on: ci-l2
+    timeout-minutes: 20
+    permissions:
+      contents: read
+    env:
+      ACR_REGISTRY: xiaoxia-registry.cn-hangzhou.cr.aliyuncs.com
+      ACR_NAMESPACE: xiaoxiakeji
+      ACR_SERVICE: registry.aliyuncs.com:cn-hangzhou:china:cri-fvec8o9q4mmxrkaa
+      GITEA_URL: https://git.xiaoxiajianji.com
+      GITEA_REPO: xiaoxia/xiaoxia-saas
+    steps:
+      - name: Checkout code
+        shell: sh
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        run: |
+          curl -sH "Authorization: token $GITHUB_TOKEN"             "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}"             | bash
+
+      # ====== Cron模式：获取staging运行中镜像作为白名单 ======
+      - name: Get staging running images (whitelist)
+        id: protected_images
+        if: gitea.event_name != 'pull_request_target' && !gitea.event.inputs.pr_sha
+        env:
+          STAGING_SSH_KEY: ${{ secrets.PREVIEW_SSH_KEY }}
+        run: |
+          set +e
+          echo "获取staging服务器运行中镜像作为白名单..."
+          mkdir -p ~/.ssh
+          echo "$STAGING_SSH_KEY" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+
+          staging_host="${STAGING_SSH_HOST:-47.98.113.167}"
+          staging_port="${STAGING_SSH_PORT:-22222}"
+
+          ssh-keyscan -p "$staging_port" -H "$staging_host" >> ~/.ssh/known_hosts 2>/dev/null
+
+          # 获取所有运行容器的镜像，提取tag部分
+          IMAGES=$(ssh -p "$staging_port" -i ~/.ssh/id_rsa -o StrictHostKeyChecking=no \
+            "root@$staging_host" "docker ps --format '{{.Image}}' 2>/dev/null" 2>/dev/null | grep -v "^$" | sort -u)
+
+          PROTECTED_TAGS=""
+          if [ -n "$IMAGES" ]; then
+            while IFS= read -r img; do
+              # 从完整镜像名中提取tag（最后一个冒号后）
+              tag=$(echo "$img" | rev | cut -d: -f1 | rev)
+              if [ -n "$tag" ] && [ "$tag" != "latest" ] && [ ${#tag} -gt 5 ]; then
+                if [ -z "$PROTECTED_TAGS" ]; then
+                  PROTECTED_TAGS="$tag"
+                else
+                  PROTECTED_TAGS="$PROTECTED_TAGS,$tag"
+                fi
+              fi
+            done <<< "$IMAGES"
+          fi
+
+          echo "staging运行中镜像tag: ${PROTECTED_TAGS:-（无）}"
+          echo "protected_tags=$PROTECTED_TAGS" >> $GITEA_OUTPUT
+
+      # ====== Docker登录 ======
+      - name: Docker login to ACR
+        env:
+          ACR_USERNAME: ${{ secrets.ACR_USERNAME }}
+          ACR_PASSWORD: ${{ secrets.ACR_PASSWORD }}
+        run: |
+          printf '%s' "$ACR_PASSWORD" | docker login "$ACR_REGISTRY" -u "$ACR_USERNAME" --password-stdin
+
+      # ====== 模式1：PR关闭时清理 ======
+      - name: Cleanup PR images (PR closed)
+        if: gitea.event_name == 'pull_request_target'
+        env:
+          ACR_USERNAME: ${{ secrets.ACR_USERNAME }}
+          ACR_PASSWORD: ${{ secrets.ACR_PASSWORD }}
+          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+          PR_SHA: ${{ gitea.event.pull_request.head.sha }}
+          PR_NUMBER: ${{ gitea.event.pull_request.number }}
+        run: |
+          echo "============================================"
+          echo "  PR #$PR_NUMBER 已关闭，清理对应镜像"
+          echo "  Head SHA: ${PR_SHA::12}"
+          echo "============================================"
+          echo ""
+          python3 scripts/ci/acr_cleanup.py \
+            --pr-sha "$PR_SHA" \
+            --execute
+
+      # ====== 模式2：Cron全量清理 ======
+      - name: Full cleanup (cron / manual)
+        if: gitea.event_name != 'pull_request_target' && !gitea.event.inputs.pr_sha
+        env:
+          ACR_USERNAME: ${{ secrets.ACR_USERNAME }}
+          ACR_PASSWORD: ${{ secrets.ACR_PASSWORD }}
+          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+          PROTECTED_TAGS: ${{ steps.protected_images.outputs.protected_tags }}
+          DRY_RUN_INPUT: ${{ gitea.event.inputs.dry_run }}
+        run: |
+          echo "============================================"
+          echo "  ACR 全量清理（${{ gitea.event_name }}）"
+          echo "============================================"
+          echo ""
+
+          # 决定是否dry-run
+          DRY_RUN_FLAG=""
+          if [ "$DRY_RUN_INPUT" = "true" ]; then
+            DRY_RUN_FLAG="--dry-run"
+            echo "模式: 预览模式 (dry-run)"
+          else
+            echo "模式: 执行模式"
+          fi
+          echo ""
+
+          python3 scripts/ci/acr_cleanup.py \
+            --keep 20 \
+            --protected-tags "$PROTECTED_TAGS" \
+            $DRY_RUN_FLAG
+
+      # ====== 模式3：手动指定PR SHA清理 ======
+      - name: Cleanup specific PR image (manual)
+        if: gitea.event_name == 'workflow_dispatch' && gitea.event.inputs.pr_sha
+        env:
+          ACR_USERNAME: ${{ secrets.ACR_USERNAME }}
+          ACR_PASSWORD: ${{ secrets.ACR_PASSWORD }}
+          PR_SHA: ${{ gitea.event.inputs.pr_sha }}
+          DRY_RUN_INPUT: ${{ gitea.event.inputs.dry_run }}
+        run: |
+          echo "手动清理PR镜像: ${PR_SHA::12}"
+          echo ""
+
+          DRY_RUN_FLAG=""
+          if [ "$DRY_RUN_INPUT" = "true" ]; then
+            DRY_RUN_FLAG="--dry-run"
+          fi
+
+          python3 scripts/ci/acr_cleanup.py \
+            --pr-sha "$PR_SHA" \
+            $DRY_RUN_FLAG
@@ -8,7 +8,7 @@ permissions:
 jobs:
  ci-health-report:
    name: CI健康度每日巡检
-    runs-on: saas
+    runs-on: ci-l2
    timeout-minutes: 15
    steps:
    - name: Checkout code
@@ -645,42 +645,37 @@ jobs:
        else
          echo "基础镜像不存在，本地构建（fallback模式）..."
          
-          # 构建builder基础镜像
-          echo "构建 worker-base-builder..."
-          # 用buildx docker-container驱动构建（兼容DooD模式：普通docker build看不到容器内文件）
+          # 尝试用buildx构建，失败则回退到普通docker build（DooD模式下buildx builder偶发崩溃）
          BUILDER_NAME="ci-pr-builder-${GITHUB_RUN_ID:-local}"
-          if ! docker buildx inspect "$BUILDER_NAME" > /dev/null 2>&1; then
-            docker buildx create --use --name "$BUILDER_NAME" --driver docker-container
-          else
-            docker buildx use "$BUILDER_NAME"
+          BUILDX_AVAILABLE=true
+          if ! docker buildx create --use --name "$BUILDER_NAME" --driver docker-container > /dev/null 2>&1; then
+            BUILDX_AVAILABLE=false
+          fi
+          if [ "$BUILDX_AVAILABLE" = true ] && ! docker buildx inspect --bootstrap > /dev/null 2>&1; then
+            BUILDX_AVAILABLE=false
+            docker buildx rm "$BUILDER_NAME" > /dev/null 2>&1 || true
          fi
-          docker buildx inspect --bootstrap > /dev/null 2>&1
          
-          # 构建builder基础镜像（带重试，buildx容器偶发不稳定）
-          echo "构建 worker-base-builder..."
-          for attempt in 1 2 3; do
-            if docker buildx build --load -f infra/docker/worker-base-builder.Dockerfile -t "$BASE_BUILDER" .; then
-              echo "worker-base-builder 构建成功"
-              break
+          build_base() {
+            local df="$1"
+            local tag="$2"
+            local name="$3"
+            if [ "$BUILDX_AVAILABLE" = true ]; then
+              echo "构建 $name（buildx）..."
+              if docker buildx build --load -f "$df" -t "$tag" . > /dev/null 2>&1; then
+                echo "$name 构建成功"
+                return 0
+              fi
+              echo "buildx失败，回退到普通docker build"
+              BUILDX_AVAILABLE=false
+              docker buildx rm "$BUILDER_NAME" > /dev/null 2>&1 || true
            fi
-            echo "worker-base-builder 构建失败，重试 $attempt/3..."
-            docker buildx rm "$BUILDER_NAME" 2>/dev/null || true
-            docker buildx create --use --name "$BUILDER_NAME" --driver docker-container
-            sleep 3
-          done
+            echo "构建 $name（docker build）..."
+            docker build -f "$df" -t "$tag" .
+          }
          
-          # 构建runtime基础镜像
-          echo "构建 worker-base-runtime..."
-          for attempt in 1 2 3; do
-            if docker buildx build --load -f infra/docker/worker-base-runtime.Dockerfile -t "$BASE_RUNTIME" .; then
-              echo "worker-base-runtime 构建成功"
-              break
-            fi
-            echo "worker-base-runtime 构建失败，重试 $attempt/3..."
-            docker buildx rm "$BUILDER_NAME" 2>/dev/null || true
-            docker buildx create --use --name "$BUILDER_NAME" --driver docker-container
-            sleep 3
-          done
+          build_base infra/docker/worker-base-builder.Dockerfile "$BASE_BUILDER" "worker-base-builder"
+          build_base infra/docker/worker-base-runtime.Dockerfile "$BASE_RUNTIME" "worker-base-runtime"
          
          echo "fallback=true" >> $GITHUB_OUTPUT
          echo "基础镜像本地构建完成"
@@ -1083,13 +1078,12 @@ jobs:
      shell: sh
      run: bash scripts/ci/step_timer_start.sh
    - name: Run Playwright E2E on staging
-      shell: sh
+      shell: bash
      run: |
        set -eu
        # DooD模式下不能用-v挂载（宿主机路径与CI容器路径不一致）
        # 改用 docker create + docker cp 方式把代码拷进容器
        CONTAINER_NAME="staging-e2e-$$"
-        docker rm -f "$CONTAINER_NAME" 2>/dev/null || true
        docker create --name "$CONTAINER_NAME" --ipc=host \
          -e E2E_BASE_URL=https://staging.xiaoxiajianji.com \
          -e E2E_API_BASE=https://staging-api.xiaoxiajianji.com/api/v1 \
@@ -1148,13 +1142,12 @@ jobs:
      shell: sh
      run: bash scripts/ci/step_timer_start.sh
    - name: Run API integration tests on staging
-      shell: sh
+      shell: bash
      run: |
        set -eu
        # DooD模式下不能用-v挂载（宿主机路径与CI容器路径不一致）
        # 改用 docker create + docker cp 方式把代码拷进容器
        CONTAINER_NAME="staging-api-tests-$$"
-        docker rm -f "$CONTAINER_NAME" 2>/dev/null || true
        docker create --name "$CONTAINER_NAME" \
          -e E2E_BASE_URL=https://staging.xiaoxiajianji.com \
          -e E2E_API_BASE=https://staging-api.xiaoxiajianji.com/api/v1 \
@@ -1199,7 +1192,7 @@ jobs:
    runs-on: runtime-builder
    timeout-minutes: ${{ matrix.timeout }}
    needs:
-    if: startsWith(github.ref, 'refs/tags/v')
+    if: startsWith(github.ref, 'refs/tags/v') || (github.event_name == 'push' && github.ref_name == 'main')
    strategy:
      fail-fast: false
      matrix:
@@ -1276,10 +1269,16 @@ jobs:
      run: |
        set -eu
        REGISTRY="xiaoxia-registry.cn-hangzhou.cr.aliyuncs.com/xiaoxiakeji"
-        IMAGE_TAG="${REGISTRY}/${{ matrix.image_name }}:${GITHUB_REF_NAME}"
+        # 根据ref类型设置镜像标签：tag用版本号，分支用分支名+sha
+        if [[ "$GITHUB_REF" == refs/tags/* ]]; then
+          TAG_NAME="${GITHUB_REF_NAME}"
+        else
+          TAG_NAME="${GITHUB_REF_NAME}-${GITHUB_SHA::8}"
+        fi
+        IMAGE_TAG="${REGISTRY}/${{ matrix.image_name }}:${TAG_NAME}"
        CACHE_REF="${REGISTRY}/${{ matrix.cache_name }}:main"

-        EXTRA_BUILD_ARGS="APP_VERSION=\"${GITHUB_REF_NAME}\""
+        EXTRA_BUILD_ARGS="APP_VERSION=\"${TAG_NAME}\""
        if [ "${{ matrix.service }}" = "web" ]; then
          EXTRA_BUILD_ARGS="$EXTRA_BUILD_ARGS NGINX_CONF=infra/docker/nginx-production.conf"
        fi
@@ -1577,4 +1576,246 @@ jobs:
        [ ${{ job.status }} = "success" ] || STATUS="error"
        START_TIME=""
        [ -f /tmp/ci_job_start_time ] && START_TIME=$(cat /tmp/ci_job_start_time)
-        python3 scripts/ci/ci_trace_report.py --service xiaoxia-saas-ci --status $STATUS --start-time "$START_TIME" || true
+        python3 scripts/ci/ci_trace_report.py --service xiaoxia-saas-ci --status $STATUS --start-time "$START_TIME" || true
+
+  canary-release:
+    name: Canary Release to Production
+    runs-on: runtime-builder
+    timeout-minutes: 120
+    concurrency:
+      group: canary-release-production
+      cancel-in-progress: false
+    if: github.event_name == 'push' && github.ref_name == 'main'
+    needs:
+    - build-production
+    - staging-api-tests
+    steps:
+    - name: Checkout code
+      shell: sh
+      env:
+        GITHUB_TOKEN: ${{ github.token }}
+      run: |
+        curl -sH "Authorization: token $GITHUB_TOKEN"           "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}"           | bash
+    - name: Record job start time
+      shell: sh
+      run: bash scripts/ci/step_timer_start.sh
+    - name: Notify canary release start
+      continue-on-error: true
+      shell: sh
+      env:
+        CI_NOTIFY_WEBHOOK: ${{ secrets.CI_NOTIFY_WEBHOOK }}
+      run: |
+        set +e
+        NOTIFY_MODE=start JOB_NAME="Canary Release" python3 scripts/ci_notify.py
+    - name: Install SSH client
+      shell: sh
+      run: |
+        set -eu
+        apt-get update -qq && apt-get install -y -qq openssh-client curl >/dev/null 2>&1
+        echo "openssh-client installed"
+    - name: Run canary release
+      shell: bash
+      env:
+        PRODUCTION_SSH_HOST: ${{ secrets.PRODUCTION_SSH_HOST }}
+        PRODUCTION_SSH_USER: ${{ secrets.PRODUCTION_SSH_USER }}
+        PRODUCTION_SSH_PORT: ${{ secrets.PRODUCTION_SSH_PORT }}
+        PRODUCTION_SSH_KEY: ${{ secrets.PRODUCTION_SSH_KEY }}
+        ACR_USERNAME: ${{ secrets.ACR_USERNAME }}
+        ACR_PASSWORD: ${{ secrets.ACR_PASSWORD }}
+        CI_NOTIFY_WEBHOOK: ${{ secrets.CI_NOTIFY_WEBHOOK }}
+      run: |
+        set -eu
+        IMAGE_TAG="main-${GITHUB_SHA::8}"
+        export IMAGE_TAG
+        echo "Canary release version: $IMAGE_TAG"
+        bash scripts/ci/canary_release.sh
+    - name: Job duration summary
+      if: always()
+      shell: sh
+      run: bash scripts/ci/step_timer_end.sh
+    - name: Notify on success
+      continue-on-error: true
+      if: success()
+      shell: sh
+      env:
+        CI_NOTIFY_WEBHOOK: ${{ secrets.CI_NOTIFY_WEBHOOK }}
+      run: |
+        set +e
+        NOTIFY_MODE=success JOB_NAME="Canary Release" python3 scripts/ci_notify.py
+    - name: Notify on failure
+      continue-on-error: true
+      if: failure()
+      shell: sh
+      env:
+        CI_NOTIFY_WEBHOOK: ${{ secrets.CI_NOTIFY_WEBHOOK }}
+      run: |
+        set +e
+        NOTIFY_MODE=failure JOB_NAME="Canary Release" python3 scripts/ci_notify.py
+    - name: Report CI trace
+      if: always()
+      shell: sh
+      env:
+        AGENTLOOP_LICENSE_KEY: ${{ secrets.AGENTLOOP_LICENSE_KEY }}
+      run: |
+        STATUS="ok"
+        [ ${{ job.status }} = "success" ] || STATUS="error"
+        START_TIME=""
+        [ -f /tmp/ci_job_start_time ] && START_TIME=$(cat /tmp/ci_job_start_time)
+        python3 scripts/ci/ci_trace_report.py --service xiaoxia-saas-ci --status $STATUS --start-time "$START_TIME" || true
+
+  ci-gate:
+    name: CI Gate
+    runs-on: ci-l2
+    if: always() && github.event_name == 'pull_request'
+    needs:
+      - check-frontend-only
+      - validate-code-quality
+      - validate-type-check
+      - validate-migration
+      - unit-tests
+      - integration-tests
+      - frontend-lint
+      - frontend-unit-test
+      - build-pr
+    timeout-minutes: 3
+    steps:
+      - name: Checkout code
+        shell: sh
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        run: |
+          curl -sH "Authorization: token $GITHUB_TOKEN" \
+            "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}" \
+            | bash
+
+      - name: Evaluate CI Gate
+        id: gate
+        shell: bash
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+          PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+          RESULT_CHECK_FRONTEND: ${{ needs.check-frontend-only.result }}
+          RESULT_CODE_QUALITY: ${{ needs.validate-code-quality.result }}
+          RESULT_TYPE_CHECK: ${{ needs.validate-type-check.result }}
+          RESULT_MIGRATION: ${{ needs.validate-migration.result }}
+          RESULT_UNIT_TESTS: ${{ needs.unit-tests.result }}
+          RESULT_INTEGRATION: ${{ needs.integration-tests.result }}
+          RESULT_FRONTEND_LINT: ${{ needs.frontend-lint.result }}
+          RESULT_FRONTEND_UNIT: ${{ needs.frontend-unit-test.result }}
+          RESULT_BUILD_PR: ${{ needs.build-pr.result }}
+        run: |
+          set -eu
+          echo "=== CI Gate 评估 ==="
+          echo ""
+          echo "各job结果:"
+          echo "  check-frontend-only: $RESULT_CHECK_FRONTEND"
+          echo "  validate-code-quality: $RESULT_CODE_QUALITY"
+          echo "  validate-type-check: $RESULT_TYPE_CHECK"
+          echo "  validate-migration: $RESULT_MIGRATION"
+          echo "  unit-tests: $RESULT_UNIT_TESTS"
+          echo "  integration-tests: $RESULT_INTEGRATION"
+          echo "  frontend-lint: $RESULT_FRONTEND_LINT"
+          echo "  frontend-unit-test: $RESULT_FRONTEND_UNIT"
+          echo "  build-pr: $RESULT_BUILD_PR"
+          echo ""
+
+          # 判断PR类型
+          SKIP_BACKEND="${{ needs.check-frontend-only.outputs.skip_backend }}"
+          SKIP_FRONTEND="${{ needs.check-frontend-only.outputs.skip_frontend }}"
+          echo "PR类型: skip_backend=$SKIP_BACKEND, skip_frontend=$SKIP_FRONTEND"
+
+          # 必填检查项（根据PR类型决定）
+          # 通用检查（所有PR都必须过）
+          REQUIRED_GENERAL=(
+            "validate-code-quality:$RESULT_CODE_QUALITY"
+            "validate-type-check:$RESULT_TYPE_CHECK"
+            "validate-migration:$RESULT_MIGRATION"
+            "frontend-lint:$RESULT_FRONTEND_LINT"
+            "build-pr:$RESULT_BUILD_PR"
+          )
+
+          # 后端检查
+          REQUIRED_BACKEND=(
+            "unit-tests:$RESULT_UNIT_TESTS"
+          )
+
+          # 前端检查
+          REQUIRED_FRONTEND=(
+            "frontend-unit-test:$RESULT_FRONTEND_UNIT"
+          )
+
+          ALL_PASSED=true
+          FAILED_ITEMS=()
+
+          check_job() {
+            local name=$1
+            local result=$2
+            if [ "$result" = "success" ]; then
+              echo "  ✅ $name: success"
+            elif [ "$result" = "skipped" ]; then
+              echo "  ⏭️  $name: skipped（跳过，不影响）"
+            else
+              echo "  ❌ $name: $result"
+              ALL_PASSED=false
+              FAILED_ITEMS+=("$name=$result")
+            fi
+          }
+
+          echo ""
+          echo "=== 通用检查（所有PR必填）==="
+          for item in "${REQUIRED_GENERAL[@]}"; do
+            name="${item%%:*}"
+            result="${item##*:}"
+            check_job "$name" "$result"
+          done
+
+          if [ "$SKIP_BACKEND" != "true" ]; then
+            echo ""
+            echo "=== 后端检查 ==="
+            for item in "${REQUIRED_BACKEND[@]}"; do
+              name="${item%%:*}"
+              result="${item##*:}"
+              check_job "$name" "$result"
+            done
+          else
+            echo ""
+            echo "=== 后端检查（纯前端PR，跳过）==="
+          fi
+
+          if [ "$SKIP_FRONTEND" != "true" ]; then
+            echo ""
+            echo "=== 前端检查 ==="
+            for item in "${REQUIRED_FRONTEND[@]}"; do
+              name="${item%%:*}"
+              result="${item##*:}"
+              check_job "$name" "$result"
+            done
+          else
+            echo ""
+            echo "=== 前端检查（纯后端PR，跳过）==="
+          fi
+
+          echo ""
+          if [ "$ALL_PASSED" = "true" ]; then
+            echo "✅ CI Gate: PASSED"
+            echo "gate_result=success" >> $GITHUB_OUTPUT
+            exit 0
+          else
+            echo "❌ CI Gate: FAILED"
+            echo "失败项: ${FAILED_ITEMS[*]}"
+            echo "gate_result=failure" >> $GITHUB_OUTPUT
+            exit 1
+          fi
+
+      - name: Report CI trace
+        if: always()
+        shell: sh
+        env:
+          AGENTLOOP_LICENSE_KEY: ${{ secrets.AGENTLOOP_LICENSE_KEY }}
+        run: |
+          STATUS="ok"
+          [ "${{ steps.gate.outputs.gate_result }}" = "success" ] || STATUS="error"
+          START_TIME=""
+          [ -f /tmp/ci_job_start_time ] && START_TIME=$(cat /tmp/ci_job_start_time)
+          python3 scripts/ci/ci_trace_report.py --service xiaoxia-saas-ci --status $STATUS --start-time "$START_TIME" || true
@@ -16,15 +16,15 @@ permissions:
 jobs:
  monitor:
    name: Monitor CI Trigger Reliability
-    runs-on: ubuntu-latest
+    runs-on: ci-l2
    timeout-minutes: 5
    steps:
      - name: Checkout code
-        uses: actions/checkout@v3
-        # 网络波动自动重试2次
-        retry:
-          max_attempts: 2
-          retry_on: error
+        shell: sh
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        run: |
+          curl -sH "Authorization: token $GITHUB_TOKEN"             "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}"             | bash
      
      - name: Check CI trigger status for all open PRs
        env:
@@ -15,20 +15,18 @@ concurrency:
 jobs:
  code-review:
    name: AI Code Review
-    runs-on: ubuntu-latest
+    runs-on: ci-l2
    # 跳过草稿 PR
    if: ${{ !gitea.event.pull_request.draft }}

    steps:
      # actions/checkout 由 runner 在宿主机层面处理，不受容器网络影响
      - name: Checkout code
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-        # 网络波动自动重试2次
-        retry:
-          max_attempts: 2
-          retry_on: error
+        shell: sh
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        run: |
+          curl -sH "Authorization: token $GITHUB_TOKEN"             "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}"             | bash

      - name: Install dependencies
        run: |
@@ -50,6 +48,7 @@ jobs:
          GITEA_TOKEN: ${{ secrets.REVIEW_GITEA_TOKEN }}
          REPO_NAME: ${{ gitea.repository }}
          PR_NUMBER: ${{ gitea.event.pull_request.number }}
+          PR_HEAD_SHA: ${{ gitea.event.pull_request.head.sha }}
          # LLM 提供商: coze (扣子原生Bot) / openai (OpenAI兼容)
          LLM_PROVIDER: "coze"
          # 扣子模式配置（默认国内站 api.coze.cn）
@@ -62,8 +61,9 @@ jobs:
          LLM_TIMEOUT: "120"
        run: |
          python3 scripts/ci_code_review.py
-        # 审查脚本异常不影响 CI 通过
-        continue-on-error: true
+        # 注意：脚本退出码决定job状态
+        # - 有阻塞级问题 → exit 1 → job失败 → 门禁拦截
+        # - 无阻塞级问题/LLM异常 → exit 0 → 通过（fail-open）

      - name: Report CI trace
        if: always()
@@ -1,4 +1,5 @@
 name: Daily Health Check
+# 注意：使用 curl step_checkout.sh 方式以兼容 docker runner

 on:
  schedule:
@@ -12,7 +13,7 @@ jobs:
  # ── 1. 生产环境冒烟测试 ─────────────────────────────────────────────
  production-smoke:
    name: Production Smoke Test
-    runs-on: saas
+    runs-on: ci-l2
    timeout-minutes: 8
    outputs:
      report: ${{ steps.smoke.outputs.report }}
@@ -23,47 +24,9 @@ jobs:
        env:
          GITHUB_TOKEN: ${{ github.token }}
        run: |
-          set -eu
-          python3 - <<'PY'
-          import io, os, tarfile, time, urllib.request, urllib.error
-          url = f"{os.environ['GITHUB_API_URL']}/repos/{os.environ['GITHUB_REPOSITORY']}/archive/{os.environ['GITHUB_SHA']}.tar.gz"
-          request = urllib.request.Request(url, headers={"Authorization": f"token {os.environ['GITHUB_TOKEN']}"})
-          last_err = None
-          for attempt in range(5):
-              try:
-                  with urllib.request.urlopen(request, timeout=120) as response:
-                      archive = response.read()
-                  break
-              except urllib.error.HTTPError as e:
-                  last_err = e
-                  if e.code >= 500 and attempt < 4:
-                      wait = 2 ** attempt
-                      print(f"Checkout HTTP {e.code}, retrying in {wait}s (attempt {attempt+1}/5)...")
-                      time.sleep(wait)
-                      continue
-                  raise
-              except Exception as e:
-                  last_err = e
-                  if attempt < 4:
-                      wait = 2 ** attempt
-                      print(f"Checkout error: {e}, retrying in {wait}s (attempt {attempt+1}/5)...")
-                      time.sleep(wait)
-                      continue
-                  raise
-          else:
-              raise last_err
-          with tarfile.open(fileobj=io.BytesIO(archive), mode='r:gz') as tar:
-              root_prefix = tar.getmembers()[0].name.split('/', 1)[0] + '/'
-              for member in tar.getmembers():
-                  name = member.name
-                  if name == root_prefix[:-1]:
-                      continue
-                  if name.startswith(root_prefix):
-                      member.name = name[len(root_prefix):]
-                  if member.name:
-                      tar.extract(member, '.')
-          PY
-
+          curl -sH "Authorization: token $GITHUB_TOKEN" \
+            "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}" \
+            | bash
      - name: Production health check & smoke test
        id: smoke
        shell: sh
@@ -121,7 +84,7 @@ jobs:
  # ── 2. Staging API 集成测试 ─────────────────────────────────────────
  staging-api-tests:
    name: Staging API Integration Tests
-    runs-on: saas
+    runs-on: ci-l2
    timeout-minutes: 10
    outputs:
      report: ${{ steps.smoke.outputs.report }}
@@ -132,50 +95,15 @@ jobs:
        env:
          GITHUB_TOKEN: ${{ github.token }}
        run: |
-          set -eu
-          python3 - <<'PY'
-          import io, os, tarfile, time, urllib.request, urllib.error
-          url = f"{os.environ['GITHUB_API_URL']}/repos/{os.environ['GITHUB_REPOSITORY']}/archive/{os.environ['GITHUB_SHA']}.tar.gz"
-          request = urllib.request.Request(url, headers={"Authorization": f"token {os.environ['GITHUB_TOKEN']}"})
-          last_err = None
-          for attempt in range(5):
-              try:
-                  with urllib.request.urlopen(request, timeout=120) as response:
-                      archive = response.read()
-                  break
-              except urllib.error.HTTPError as e:
-                  last_err = e
-                  if e.code >= 500 and attempt < 4:
-                      wait = 2 ** attempt
-                      print(f"Checkout HTTP {e.code}, retrying in {wait}s (attempt {attempt+1}/5)...")
-                      time.sleep(wait)
-                      continue
-                  raise
-              except Exception as e:
-                  last_err = e
-                  if attempt < 4:
-                      wait = 2 ** attempt
-                      print(f"Checkout error: {e}, retrying in {wait}s (attempt {attempt+1}/5)...")
-                      time.sleep(wait)
-                      continue
-                  raise
-          else:
-              raise last_err
-          with tarfile.open(fileobj=io.BytesIO(archive), mode='r:gz') as tar:
-              root_prefix = tar.getmembers()[0].name.split('/', 1)[0] + '/'
-              for member in tar.getmembers():
-                  name = member.name
-                  if name == root_prefix[:-1]:
-                      continue
-                  if name.startswith(root_prefix):
-                      member.name = name[len(root_prefix):]
-                  if member.name:
-                      tar.extract(member, '.')
-          PY
-
+          curl -sH "Authorization: token $GITHUB_TOKEN" \
+            "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}" \
+            | bash
      - name: Run API smoke test on staging
        id: smoke
        shell: sh
+        env:
+          STAGING_TEST_USER: ${{ secrets.STAGING_TEST_USER }}
+          STAGING_TEST_PASSWORD: ${{ secrets.STAGING_TEST_PASSWORD }}
        run: |
          set +e
          START_TIME=$(date +%s)
@@ -183,8 +111,8 @@ jobs:
          docker run --rm \
            -e BASE_URL=https://staging-api.xiaoxiajianji.com \
            -e WEB_URL=https://staging.xiaoxiajianji.com \
-            -e TEST_USER=18314979086@163.com \
-            -e TEST_PASSWORD=Ying1234 \
+            -e TEST_USER="$STAGING_TEST_USER" \
+            -e TEST_PASSWORD="$STAGING_TEST_PASSWORD" \
            -e CLEANUP_ENABLED=1 \
            -e PERF_CHECK_ENABLED=1 \
            -e PERF_WARN_THRESHOLD_MS=500 \
@@ -270,7 +198,7 @@ jobs:
  # ── 3. Staging 浏览器 E2E ──────────────────────────────────────────
  staging-e2e:
    name: Staging Browser E2E
-    runs-on: saas
+    runs-on: ci-l2
    timeout-minutes: 15
    outputs:
      report: ${{ steps.smoke.outputs.report }}
@@ -281,47 +209,9 @@ jobs:
        env:
          GITHUB_TOKEN: ${{ github.token }}
        run: |
-          set -eu
-          python3 - <<'PY'
-          import io, os, tarfile, time, urllib.request, urllib.error
-          url = f"{os.environ['GITHUB_API_URL']}/repos/{os.environ['GITHUB_REPOSITORY']}/archive/{os.environ['GITHUB_SHA']}.tar.gz"
-          request = urllib.request.Request(url, headers={"Authorization": f"token {os.environ['GITHUB_TOKEN']}"})
-          last_err = None
-          for attempt in range(5):
-              try:
-                  with urllib.request.urlopen(request, timeout=120) as response:
-                      archive = response.read()
-                  break
-              except urllib.error.HTTPError as e:
-                  last_err = e
-                  if e.code >= 500 and attempt < 4:
-                      wait = 2 ** attempt
-                      print(f"Checkout HTTP {e.code}, retrying in {wait}s (attempt {attempt+1}/5)...")
-                      time.sleep(wait)
-                      continue
-                  raise
-              except Exception as e:
-                  last_err = e
-                  if attempt < 4:
-                      wait = 2 ** attempt
-                      print(f"Checkout error: {e}, retrying in {wait}s (attempt {attempt+1}/5)...")
-                      time.sleep(wait)
-                      continue
-                  raise
-          else:
-              raise last_err
-          with tarfile.open(fileobj=io.BytesIO(archive), mode='r:gz') as tar:
-              root_prefix = tar.getmembers()[0].name.split('/', 1)[0] + '/'
-              for member in tar.getmembers():
-                  name = member.name
-                  if name == root_prefix[:-1]:
-                      continue
-                  if name.startswith(root_prefix):
-                      member.name = name[len(root_prefix):]
-                  if member.name:
-                      tar.extract(member, '.')
-          PY
-
+          curl -sH "Authorization: token $GITHUB_TOKEN" \
+            "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}" \
+            | bash
      - name: Run Playwright E2E on staging
        id: e2e
        shell: sh
@@ -371,7 +261,7 @@ jobs:
  # ── 4. 性能基线巡检 ────────────────────────────────────────────────
  performance-check:
    name: Performance Baseline Check
-    runs-on: saas
+    runs-on: ci-l2
    timeout-minutes: 8
    outputs:
      report: ${{ steps.report.outputs.report }}
@@ -380,6 +270,9 @@ jobs:
      - name: Run performance baseline checks
        id: perf
        shell: sh
+        env:
+          STAGING_TEST_USER: ${{ secrets.STAGING_TEST_USER }}
+          STAGING_TEST_PASSWORD: ${{ secrets.STAGING_TEST_PASSWORD }}
        run: |
          set +e
          START_TIME=$(date +%s)
@@ -415,9 +308,10 @@ jobs:

          # 先登录获取 token
          echo "--- 准备: 获取测试 Token ---"
+          LOGIN_BODY="{\"email\":\"$STAGING_TEST_USER\",\"password\":\"$STAGING_TEST_PASSWORD\"}"
          AUTH_RESP=$(curl -s -w "\n%{http_code}" -X POST \
            -H "Content-Type: application/json" \
-            -d '{"email":"18314979086@163.com","password":"Ying1234"}' \
+            -d "$LOGIN_BODY" \
            "https://staging-api.xiaoxiajianji.com/api/v1/auth/login" \
            --max-time 10 2>&1)
          AUTH_CODE=$(echo "$AUTH_RESP" | tail -1)
@@ -447,7 +341,7 @@ jobs:
            # 构建 curl 命令
            CURL_ARGS="-s -o /dev/null -w '%{http_code} %{time_total}' --max-time 30"
            if [ "$method" = "POST" ]; then
-              CURL_ARGS="$CURL_ARGS -X POST -H 'Content-Type: application/json' -d '{\"email\":\"18314979086@163.com\",\"password\":\"Ying1234\"}'"
+              CURL_ARGS="$CURL_ARGS -X POST -H 'Content-Type: application/json' -d \"$LOGIN_BODY\""
            fi
            if [ -n "$TOKEN" ] && [ "$name" != "健康检查" ]; then
              CURL_ARGS="$CURL_ARGS -H 'Authorization: Bearer $TOKEN'"
@@ -495,6 +389,9 @@ jobs:
      - name: Generate performance report
        id: report
        shell: sh
+        env:
+          STAGING_TEST_USER: ${{ secrets.STAGING_TEST_USER }}
+          STAGING_TEST_PASSWORD: ${{ secrets.STAGING_TEST_PASSWORD }}
        run: |
          set +e
          echo ""
@@ -509,10 +406,11 @@ jobs:
          RESULTS=""
          START_TIME=$(date +%s)

+          LOGIN_BODY="{\"email\":\"$STAGING_TEST_USER\",\"password\":\"$STAGING_TEST_PASSWORD\"}"
          # 先登录获取 token
          AUTH_RESP=$(curl -s -w "\n%{http_code}" -X POST \
            -H "Content-Type: application/json" \
-            -d '{"email":"18314979086@163.com","password":"Ying1234"}' \
+            -d "$LOGIN_BODY" \
            "https://staging-api.xiaoxiajianji.com/api/v1/auth/login" \
            --max-time 10 2>&1)
          AUTH_CODE=$(echo "$AUTH_RESP" | tail -1)
@@ -528,7 +426,7 @@ jobs:

            local CURL_ARGS="-s -o /dev/null -w '%{http_code} %{time_total}' --max-time 30"
            if [ "$method" = "POST" ]; then
-              CURL_ARGS="$CURL_ARGS -X POST -H 'Content-Type: application/json' -d '{\"email\":\"18314979086@163.com\",\"password\":\"Ying1234\"}'"
+              CURL_ARGS="$CURL_ARGS -X POST -H 'Content-Type: application/json' -d \"$LOGIN_BODY\""
            fi
            if [ -n "$TOKEN" ] && [ "$name" != "健康检查" ]; then
              CURL_ARGS="$CURL_ARGS -H 'Authorization: Bearer $TOKEN'"
@@ -631,7 +529,7 @@ jobs:
  # ── 5. 每日巡检汇总报告 ────────────────────────────────────────────
  daily-report:
    name: Daily Check Report
-    runs-on: saas
+    runs-on: ci-l2
    timeout-minutes: 2
    if: always()
    needs:
@@ -93,44 +93,31 @@ jobs:
      shell: sh
      run: |
        set -eu
-        NPM_CACHE_VOLUME="xiaoxia-npm-cache"
-        if ! docker volume inspect "$NPM_CACHE_VOLUME" >/dev/null 2>&1; then
-          docker volume create "$NPM_CACHE_VOLUME" >/dev/null
-          echo "Created npm cache volume: $NPM_CACHE_VOLUME"
-        fi
+        cd apps/web

-        docker run --rm \
-          -v "$PWD:/workspace" \
-          -v "$NPM_CACHE_VOLUME:/workspace/apps/web/node_modules" \
-          -w /workspace/apps/web \
-          -e VITE_API_URL=https://staging-api.xiaoxiajianji.com \
-          docker.m.daocloud.io/library/node:20 \
-          sh -lc '
-            PACKAGE_LOCK_HASH=$(md5sum package-lock.json 2>/dev/null | cut -d" " -f1)
-            CACHE_HASH_FILE="node_modules/.package-lock-hash"
-            CACHE_VALID=false
-            if [ -f "$CACHE_HASH_FILE" ] && [ "$(cat "$CACHE_HASH_FILE")" = "$PACKAGE_LOCK_HASH" ] && [ -x "node_modules/.bin/vite" ] && [ -x "node_modules/.bin/tsc" ]; then
-              CACHE_VALID=true
-              echo "Cache hit: dependencies valid, skipping npm ci"
-            fi
-            if [ "$CACHE_VALID" = "false" ]; then
-              echo "Cache miss or invalid: running npm ci..."
-              if ! npm ci --include=dev; then
-                echo "npm ci failed, cleaning node_modules and retrying..."
-                rm -rf node_modules
-                mkdir -p node_modules
-                npm ci --include=dev
-              fi
-              echo "$PACKAGE_LOCK_HASH" > "$CACHE_HASH_FILE"
-              echo "Dependencies installed, cache updated"
-            fi
-            echo "Running TypeScript check..."
-            npx --no-install tsc
-            echo "Running Vite build..."
-            npx --no-install vite build
-            echo "Build completed successfully"
-            ls -la dist/
-          '
+        # Config npm mirror for speed
+        npm config set registry https://registry.npmmirror.com
+
+        # Install dependencies with retry
+        for i in 1 2 3; do
+          npm ci --no-audit --no-fund && break
+          echo "npm ci failed, retry $i/3..."
+          [ $i -eq 3 ] && exit 1
+          rm -rf node_modules
+          sleep 5
+        done
+
+        # TypeScript check
+        echo "=== TypeScript check ==="
+        npx --no-install tsc --noEmit
+
+        # Vite build
+        echo "=== Vite build ==="
+        export VITE_API_URL=https://staging-api.xiaoxiajianji.com
+        npx --no-install vite build
+
+        echo "=== Build completed ==="
+        ls -la dist/

    - name: Install SSH client and rsync
      shell: sh
@@ -0,0 +1,64 @@
+"""#642 - 生成任务新增 bgm_config 字段
+
+Revision ID: 052_generation_task_bgm_config
+Revises: 051_generation_task_resolution
+Create Date: 2026-07-25
+
+Changes:
+1. generation_tasks 表新增 bgm_config 字段（JSON类型），存储用户自定义BGM配置
+2. 为空时使用默认空字典
+
+背景：
+#642 一键生成支持自定义BGM 功能在 SQLAlchemy 模型中加了 bgm_config 字段，
+但遗漏了 alembic migration，导致 staging 环境数据库没有该列，
+创建生成任务时直接 500。
+"""
+
+import sqlalchemy as sa
+
+from alembic import context, op
+
+revision = "052_generation_task_bgm_config"
+down_revision = "051_generation_task_resolution"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+    if context.get_context().dialect.name == "postgresql":
+        # 检查列是否已存在（幂等）
+        result = conn.execute(
+            sa.text(
+                "SELECT column_name FROM information_schema.columns "
+                "WHERE table_name = 'generation_tasks' AND column_name = 'bgm_config'"
+            )
+        )
+        if result.scalar() is not None:
+            return
+
+    op.add_column(
+        "generation_tasks",
+        sa.Column(
+            "bgm_config",
+            sa.JSON,
+            nullable=False,
+            server_default=sa.text("'{}'::json"),
+        ),
+    )
+
+
+def downgrade() -> None:
+    conn = op.get_bind()
+    if context.get_context().dialect.name == "postgresql":
+        # 检查列是否存在（幂等）
+        result = conn.execute(
+            sa.text(
+                "SELECT column_name FROM information_schema.columns "
+                "WHERE table_name = 'generation_tasks' AND column_name = 'bgm_config'"
+            )
+        )
+        if result.scalar() is None:
+            return
+
+    op.drop_column("generation_tasks", "bgm_config")
@@ -15,7 +15,7 @@ from typing import Any
 from app.auth import AuthenticatedUser, get_current_user
 from app.services.edit_plan_service import EditPlanService
 from app.services.edit_template_service import EditTemplateService
-from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi import APIRouter, Depends, HTTPException

 from ._utils import _build_adjust_response, _get_adjust_trim, _get_clip_config, _validate_trim
 from .dependencies import get_draft_plan_id, get_editor_services
@@ -12,12 +12,13 @@

 from __future__ import annotations

-import json
 import logging
-import math
-import random
 from typing import Any, Dict, List, Optional

+from packages.domain.ai_parsing import generate_titles_fallback as _generate_titles_fallback_base
+from packages.domain.ai_parsing import keyword_match_fallback as _semantic_match_fallback_base
+from packages.domain.ai_parsing import parse_semantic_match_response as _parse_semantic_match_base
+from packages.domain.ai_parsing import parse_titles_from_response as _parse_titles_from_response
 from packages.shared.ai_client import get_doubao_client

 logger = logging.getLogger(__name__)
@@ -64,85 +65,9 @@ def _generate_titles_fallback(
    style: str = "viral",
    count: int = 5,
 ) -> List[str]:
-    """本地降级：基于模板规则生成标题.
-
-    当豆包 API 不可用或调用失败时使用，保证接口始终有返回。
-    """
+    """本地降级：基于模板规则生成标题（薄包装，转发到 ai_parsing 模块）."""
    style_info = TITLE_STYLES.get(style, TITLE_STYLES["viral"])
-    examples = style_info["examples"]
-
-    # 从描述中提取关键词（取前几个词）
-    keywords = [w for w in description.strip().split() if len(w) > 1][:3]
-    keyword = keywords[0] if keywords else "精彩内容"
-
-    # 基于模板生成
-    templates = [
-        f"「{keyword}」{examples[0][:10]}...",
-        f"{keyword}：{examples[1]}",
-        f"关于{keyword}，你不知道的3件事",
-        f"{keyword}入门指南，新手必看",
-        f"深度解析：{keyword}背后的秘密",
-        f"{keyword}怎么做？手把手教你",
-        f"干货分享 | {keyword}全攻略",
-        f"建议收藏：{keyword}实用技巧",
-        f"{keyword}避坑指南，别再踩雷了",
-        f"一分钟搞懂{keyword}",
-    ]
-
-    random.shuffle(templates)
-    return templates[: min(count, len(templates))]
-
-
-def _parse_titles_from_response(content: str) -> List[str]:
-    """从模型返回中解析标题列表.
-
-    支持多种返回格式：
-    - JSON 数组: ["标题1", "标题2"]
-    - 编号列表: 1. 标题1 / 2. 标题2
-    - 换行分隔: 标题1\n标题2
-    - 带破折号: - 标题1
-    """
-    if not content:
-        return []
-
-    # 尝试解析 JSON
-    try:
-        # 清理可能的 markdown 代码块标记
-        cleaned = content.strip()
-        if cleaned.startswith("```"):
-            cleaned = cleaned.strip("`")
-            if cleaned.lower().startswith("json"):
-                cleaned = cleaned[4:]
-            cleaned = cleaned.strip()
-
-        data = json.loads(cleaned)
-        if isinstance(data, list):
-            return [str(item).strip() for item in data if str(item).strip()]
-        if isinstance(data, dict) and "titles" in data:
-            titles = data["titles"]
-            if isinstance(titles, list):
-                return [str(t).strip() for t in titles if str(t).strip()]
-    except (json.JSONDecodeError, ValueError):
-        pass
-
-    # 尝试按行解析
-    titles: List[str] = []
-    for line in content.strip().split("\n"):
-        line = line.strip()
-        if not line:
-            continue
-        # 去掉编号前缀 "1. " "1、" "（1）"
-        import re
-
-        line = re.sub(r"^[\d]+[\.、\)）]\s*", "", line)
-        # 去掉破折号前缀 "- " "• "
-        line = re.sub(r"^[-•·]\s*", "", line)
-        # 去掉引号
-        line = line.strip('"').strip("'").strip("「」")
-        if line and len(line) < 100:  # 过滤过长的行
-            titles.append(line)
-
-    return titles
+    return _generate_titles_fallback_base(description, style_info, count)


 def generate_smart_titles(
@@ -241,132 +166,19 @@ def _semantic_match_fallback(
    description: str,
    assets: List[Dict[str, Any]],
 ) -> List[Dict[str, Any]]:
-    """本地降级：基于关键词的简单匹配.
-
-    计算描述中的关键词与素材名称/标签/描述的重叠度，
-    作为匹配度评分。0-1分。
-    """
-    import re
-
-    # 提取关键词（中文按2字以上片段，英文按单词）
-    desc = description.lower()
-    # 简单分词：提取2字以上的中文字符串和英文单词
-    keywords = set()
-    # 英文单词
-    for word in re.findall(r"[a-zA-Z]{3,}", desc):
-        keywords.add(word)
-    # 中文2-4字片段
-    for i in range(len(desc)):
-        for j in range(i + 2, min(i + 5, len(desc) + 1)):
-            fragment = desc[i:j]
-            if all("\u4e00" <= c <= "\u9fff" for c in fragment):
-                keywords.add(fragment)
-
-    if not keywords:
-        # 没有关键词时给所有素材中等分数
-        for asset in assets:
-            asset["match_score"] = 0.5
-            asset["match_reason"] = "fallback_default"
-        return assets
-
-    results = []
-    for asset in assets:
-        # 组合素材的文本信息：名称 + 标签 + 描述
-        asset_text_parts = [
-            str(asset.get("name", "")).lower(),
-            " ".join(str(t) for t in asset.get("tags", [])).lower(),
-            str(asset.get("description", "")).lower(),
-        ]
-        asset_text = " | ".join(asset_text_parts)
-
-        # 计算匹配度：命中关键词占比 + 稀有关键词加权
-        hit_count = 0
-        hit_keywords = []
-        for kw in keywords:
-            if kw in asset_text:
-                hit_count += 1
-                hit_keywords.append(kw)
-
-        # 基础匹配度 = 命中关键词数 / 总关键词数（开根号平滑）
-        base_score = math.sqrt(hit_count / len(keywords)) if keywords else 0.5
-
-        # 名称命中加分（名称匹配更重要）
-        name = str(asset.get("name", "")).lower()
-        name_hits = sum(1 for kw in hit_keywords if kw in name)
-        name_bonus = min(0.2, name_hits * 0.05)
-
-        score = min(1.0, base_score * 0.8 + name_bonus)
-        score = round(score, 3)
-
-        results.append(
-            {
-                **asset,
-                "match_score": score,
-                "match_reason": "fallback_keyword",
-            }
-        )
-
-    # 按匹配度降序
-    results.sort(key=lambda x: x["match_score"], reverse=True)
-    return results
+    """本地降级：基于关键词的简单匹配（薄包装，转发到 ai_parsing 模块）."""
+    return _semantic_match_fallback_base(description, assets)


 def _parse_semantic_match_response(
    content: str,
    asset_ids: List[str],
 ) -> Optional[Dict[str, float]]:
-    """从模型返回中解析素材匹配度.
-
-    期望格式：JSON 对象 {asset_id: score} 或 {"matches": [{asset_id, score}]}
-    score 范围 0-1。
-    """
-    if not content:
+    """从模型返回中解析素材匹配度（薄包装，转发到 ai_parsing 模块）."""
+    result = _parse_semantic_match_base(content, asset_ids)
+    if result is None:
        return None
-
-    # 尝试解析 JSON
-    try:
-        cleaned = content.strip()
-        if cleaned.startswith("```"):
-            cleaned = cleaned.strip("`")
-            if cleaned.lower().startswith("json"):
-                cleaned = cleaned[4:]
-            cleaned = cleaned.strip()
-
-        data = json.loads(cleaned)
-
-        result: Dict[str, float] = {}
-
-        # 格式1: {"asset_id1": 0.8, "asset_id2": 0.6}
-        if isinstance(data, dict):
-            if "matches" in data and isinstance(data["matches"], list):
-                # 格式2: {"matches": [{"asset_id": "...", "score": 0.8}]}
-                for item in data["matches"]:
-                    if isinstance(item, dict):
-                        aid = item.get("asset_id") or item.get("id")
-                        score = item.get("score", 0)
-                        if aid and isinstance(score, (int, float)):
-                            result[str(aid)] = max(0.0, min(1.0, float(score)))
-            else:
-                for key, value in data.items():
-                    if isinstance(value, (int, float)):
-                        result[str(key)] = max(0.0, min(1.0, float(value)))
-
-        # 格式3: [{"asset_id": "...", "score": 0.8}]
-        elif isinstance(data, list):
-            for item in data:
-                if isinstance(item, dict):
-                    aid = item.get("asset_id") or item.get("id")
-                    score = item.get("score", 0)
-                    if aid and isinstance(score, (int, float)):
-                        result[str(aid)] = max(0.0, min(1.0, float(score)))
-
-        if len(result) >= max(1, len(asset_ids) // 2):  # 至少一半素材有评分才算成功
-            return result
-
-    except (json.JSONDecodeError, ValueError):
-        pass
-
-    return None
+    return dict(result)


 def semantic_match_assets(
@@ -16,6 +16,11 @@ from packages.adapters.sqlalchemy_impl import (
    SQLAlchemyEditPlanRepository,
    SQLAlchemyGenerationTaskRepository,
 )
+from packages.domain.clip_operations import calculate_merge as _calc_merge
+from packages.domain.clip_operations import calculate_shift_orders as _calc_shift_orders
+from packages.domain.clip_operations import calculate_split as _calc_split
+from packages.domain.clip_operations import validate_merge_clips as _validate_merge
+from packages.domain.clip_operations import validate_split_time as _validate_split
 from packages.domain.edit_plan import EditPlan, EditPlanStatus
 from packages.domain.edit_plan_clip import EditPlanClip, EditPlanClipStatus

@@ -384,36 +389,45 @@ class EditPlanService:
        clip = self.get_clip_or_raise(clip_id)
        plan_id = clip.plan_id

-        if split_time <= 0 or split_time >= clip.duration:
-            raise ValueError(f"分割时间必须在 (0, {clip.duration:.3f}) 范围内，当前: {split_time}")
+        # 纯逻辑：校验 + 计算
+        _validate_split(split_time, clip.duration)
+        split = _calc_split(
+            duration=clip.duration,
+            split_time=split_time,
+            start_time=clip.start_time,
+        )

        self._auto_resume_editing(plan_id)

-        original_duration = clip.duration
-        left_duration = round(split_time, 3)
-        right_duration = round(original_duration - split_time, 3)
        original_order = clip.order

        # 更新左半部分（原片段）
-        clip.duration = left_duration
+        clip.duration = split.left_duration
        left_clip = self._clip_repo.update(clip)

        # 后面片段的 order 全部 +1（给右半部分腾位置）
        all_clips = self._clip_repo.list_by_plan(plan_id)
-        for c in all_clips:
-            if c.order > original_order and c.id != clip_id:
-                c.order += 1
-                self._clip_repo.update(c)
+        shifts = _calc_shift_orders(
+            all_clips,
+            threshold_order=original_order,
+            shift=1,
+            excluded_ids={clip_id},
+            id_attr="id",
+            order_attr="order",
+        )
+        for c, new_order in shifts:
+            c.order = new_order
+            self._clip_repo.update(c)

        # 创建右半部分新片段（继承原片段的大部分属性）
        right_config = dict(clip.config) if clip.config else {}
        # 素材裁剪信息
        if clip.asset_id:
            # 右半部分从 split_time 开始播放
-            right_config["trim_start"] = left_duration
+            right_config["trim_start"] = split.right_trim_start
            # 左半部分在 split_time 处结束
            left_config = dict(left_clip.config) if left_clip.config else {}
-            left_config["trim_end"] = right_duration
+            left_config["trim_end"] = split.left_trim_end
            left_clip.config = left_config
            left_clip = self._clip_repo.update(left_clip)

@@ -424,8 +438,8 @@ class EditPlanService:
            template_clip_config_id=clip.template_clip_config_id,
            asset_id=clip.asset_id,
            text_content=clip.text_content,
-            start_time=clip.start_time + left_duration,
-            duration=right_duration,
+            start_time=split.right_start_time,
+            duration=split.right_duration,
            transition_effect=clip.transition_effect,
            transition_duration=clip.transition_duration,
            playback_speed=clip.playback_speed,
@@ -438,8 +452,8 @@ class EditPlanService:
            clip_id,
            plan_id,
            split_time,
-            left_duration,
-            right_duration,
+            split.left_duration,
+            split.right_duration,
        )

        return {
@@ -468,70 +482,45 @@ class EditPlanService:
            clip = self.get_clip_or_raise(cid)
            clips.append(clip)

-        # 校验：同一计划
-        plan_id = clips[0].plan_id
-        for c in clips[1:]:
-            if c.plan_id != plan_id:
-                raise ValueError("只能合并同一计划下的片段")
-
-        # 按 order 排序
-        clips.sort(key=lambda c: c.order)
-
-        # 校验：order 连续
-        for i in range(1, len(clips)):
-            if clips[i].order != clips[i - 1].order + 1:
-                raise ValueError(f"片段不连续：order {clips[i-1].order} → {clips[i].order}")
-
-        # 校验：类型一致
-        clip_type = clips[0].clip_type
-        for c in clips[1:]:
-            if c.clip_type != clip_type:
-                raise ValueError("只能合并相同类型的片段")
+        # 纯逻辑：校验 + 计算
+        plan_id, first_order = _validate_merge(clips)
+        merge = _calc_merge(clips)

        self._auto_resume_editing(plan_id)

-        # 计算合并后的属性
-        first_clip = clips[0]
-        total_duration = round(sum(c.duration for c in clips), 3)
-        first_order = first_clip.order
-
-        # 合并文案（用换行连接）
-        merged_text = "\n".join(c.text_content for c in clips if c.text_content.strip())
-
-        # 合并 config（后面的覆盖前面的）
-        merged_config: Dict[str, Any] = {}
-        for c in clips:
-            if c.config:
-                merged_config.update(c.config)
-        # 清理 trim 相关字段（合并后就是完整片段了）
-        merged_config.pop("trim_start", None)
-        merged_config.pop("trim_end", None)
-
        # 更新第一个片段（保留它作为合并结果）
-        first_clip.duration = total_duration
-        first_clip.text_content = merged_text
-        first_clip.config = merged_config
+        first_clip = sorted(clips, key=lambda c: c.order)[0]
+        first_clip.duration = merge.total_duration
+        first_clip.text_content = merge.merged_text
+        first_clip.config = merge.merged_config
        # 转场保留第一个的（合并后的入点转场）
        # playback_speed 取第一个的
        merged_clip = self._clip_repo.update(first_clip)

        # 删除其余片段
-        for c in clips[1:]:
-            self._clip_repo.delete(c.id)
+        rest_ids = [c.id for c in clips if c.id != merged_clip.id]
+        for cid in rest_ids:
+            self._clip_repo.delete(cid)

        # 后面的片段 order 前移 (len - 1) 位
-        shift = len(clips) - 1
        all_clips = self._clip_repo.list_by_plan(plan_id)
-        for c in all_clips:
-            if c.order > first_order and c.id != merged_clip.id:
-                c.order -= shift
-                self._clip_repo.update(c)
+        shifts = _calc_shift_orders(
+            all_clips,
+            threshold_order=first_order,
+            shift=-merge.shift_amount,
+            excluded_ids={merged_clip.id},
+            id_attr="id",
+            order_attr="order",
+        )
+        for c, new_order in shifts:
+            c.order = new_order
+            self._clip_repo.update(c)

        logger.info(
            "合并片段: plan_id=%s count=%d total_duration=%.3fs",
            plan_id,
            len(clips),
-            total_duration,
+            merge.total_duration,
        )

        return merged_clip
@@ -23,6 +23,13 @@ from packages.domain.template_clip_config import (
    TemplateClipConfig,
    TransitionEffect,
 )
+from packages.domain.template_clip_converter import (
+    clip_configs_to_snapshots,
+    clips_to_template_clip_configs,
+    filter_plan_config_to_template,
+    snapshots_to_template_clip_configs,
+    validate_template_name,
+)

 logger = logging.getLogger(__name__)

@@ -121,9 +128,7 @@ class EditTemplateService:
            ValueError: 名称为空或重复
        """
        # 名称校验
-        clean_name = name.strip()
-        if not clean_name:
-            raise ValueError("模板名称不能为空")
+        clean_name = validate_template_name(name)

        # 名称重复检查
        existing = self._template_repo.list_all(skip=0, limit=1000)
@@ -471,12 +476,7 @@ class EditTemplateService:
                raise ValueError(f"模板名称已存在: {clean_name}")

        # 从计划 config 中提取模板级配置，去掉运行时/素材相关字段
-        plan_config = plan.config or {}
-        template_config: dict[str, Any] = {}
-        for key, value in plan_config.items():
-            # 跳过明显的运行时/实例字段，保留风格/模式类配置
-            if key not in {"asset_ids", "source_edit_plan_id", "generation_task_id"}:
-                template_config[key] = value
+        template_config = filter_plan_config_to_template(plan.config)

        template = EditTemplate.create(
            name=clean_name,
@@ -497,40 +497,7 @@ class EditTemplateService:

        # 5. 转换每个片段为模板片段配置
        created_configs: List[TemplateClipConfig] = []
-        for clip in clips:
-            clip_config: dict[str, Any] = {}
-            # 播放速度存入 config
-            if clip.playback_speed and clip.playback_speed != 1.0:
-                clip_config["playback_speed"] = clip.playback_speed
-            # 片段自有 config 合并（优先级：clip.config 覆盖上面的）
-            if clip.config:
-                clip_config.update(clip.config)
-            # 去掉素材相关字段
-            clip_config.pop("asset_info", None)
-            clip_config.pop("source_asset_id", None)
-
-            # 转场效果兼容校验
-            try:
-                transition = TransitionEffect(clip.transition_effect)
-            except ValueError:
-                transition = TransitionEffect.CUT
-
-            # 片段类型兼容校验
-            try:
-                clip_type = ClipType(clip.clip_type)
-            except ValueError:
-                clip_type = ClipType.MAIN
-
-            clip_config_obj = TemplateClipConfig.create(
-                template_id=created_template.id,
-                clip_type=clip_type,
-                order=clip.order,
-                min_duration=clip.duration,
-                max_duration=clip.duration,
-                text_template=clip.text_content or "",
-                transition_effect=transition,
-                config=clip_config,
-            )
+        for clip_config_obj in clips_to_template_clip_configs(created_template.id, clips):
            created = self._clip_config_repo.create(clip_config_obj)
            created_configs.append(created)

@@ -679,8 +646,6 @@ class EditTemplateService:
        Raises:
            ValueError: 模板/草稿不存在，或草稿不属于该模板
        """
-        from packages.domain.template_clip_config import TemplateClipConfig
-
        # 1. 校验模板和草稿
        template = self.get_template_or_raise(template_id)
        draft = self._plan_repo.get(draft_plan_id)
@@ -700,39 +665,14 @@ class EditTemplateService:
        editing_mode = config.get("editing_mode", "one_take")

        # 4. 提取模板配置（去掉草稿/运行时字段）
-        draft_config = draft.config or {}
-        template_config: dict[str, Any] = {}
-        skip_keys = {
-            "is_template_draft",
-            "asset_ids",
-            "source_edit_plan_id",
-            "generation_task_id",
-        }
-        for key, value in draft_config.items():
-            if key not in skip_keys:
-                template_config[key] = value
+        template_config = filter_plan_config_to_template(draft.config)

        # 5. 事务更新
        try:
            # 5.0 先保存旧版快照（发布前的状态），用于回滚
            old_version = template.version or 1
            old_clip_configs = self._clip_config_repo.list_by_template(template_id)
-            old_clip_snapshots = [
-                {
-                    "clip_type": cfg.clip_type.value if hasattr(cfg.clip_type, "value") else cfg.clip_type,
-                    "order": cfg.order,
-                    "min_duration": cfg.min_duration,
-                    "max_duration": cfg.max_duration,
-                    "text_template": cfg.text_template or "",
-                    "transition_effect": (
-                        cfg.transition_effect.value
-                        if hasattr(cfg.transition_effect, "value")
-                        else cfg.transition_effect
-                    ),
-                    "config": cfg.config or {},
-                }
-                for cfg in old_clip_configs
-            ]
+            old_clip_snapshots = clip_configs_to_snapshots(old_clip_configs)

            from packages.domain.template_version import EditTemplateVersion

@@ -759,46 +699,7 @@ class EditTemplateService:

            # 创建新的片段配置
            created_configs: list[TemplateClipConfig] = []
-            for clip in draft_clips:
-                clip_config: dict[str, Any] = {}
-                # 播放速度存入 config
-                if clip.playback_speed and clip.playback_speed != 1.0:
-                    clip_config["playback_speed"] = clip.playback_speed
-                # 片段自有 config 合并
-                if clip.config:
-                    clip_config.update(clip.config)
-                # 去掉素材相关字段
-                clip_config.pop("asset_info", None)
-                clip_config.pop("source_asset_id", None)
-
-                # 转场效果兼容校验
-                try:
-                    from packages.domain.template_clip_config import (
-                        TransitionEffect,
-                    )
-
-                    transition = TransitionEffect(clip.transition_effect)
-                except (ValueError, ImportError):
-                    transition = TransitionEffect.CUT  # type: ignore
-
-                # 片段类型兼容校验
-                try:
-                    from packages.domain.template_clip_config import ClipType
-
-                    clip_type = ClipType(clip.clip_type)
-                except (ValueError, ImportError):
-                    clip_type = ClipType.MAIN  # type: ignore
-
-                config_obj = TemplateClipConfig.create(
-                    template_id=template_id,
-                    clip_type=clip_type,
-                    order=clip.order,
-                    min_duration=clip.duration,
-                    max_duration=clip.duration,
-                    text_template=clip.text_content or "",
-                    transition_effect=transition,
-                    config=clip_config,
-                )
+            for config_obj in clips_to_template_clip_configs(template_id, draft_clips):
                created = self._clip_config_repo.create(config_obj)
                created_configs.append(created)

@@ -843,8 +744,6 @@ class EditTemplateService:
        Raises:
            ValueError: 模板/版本不存在
        """
-        from packages.domain.template_clip_config import TemplateClipConfig
-
        template = self.get_template_or_raise(template_id)

        # 1. 读取目标版本快照
@@ -857,22 +756,7 @@ class EditTemplateService:
        try:
            # 2. 先保存当前状态快照（当前版本号），确保回滚可撤销
            old_clip_configs = self._clip_config_repo.list_by_template(template_id)
-            old_clip_snapshots = [
-                {
-                    "clip_type": cfg.clip_type.value if hasattr(cfg.clip_type, "value") else cfg.clip_type,
-                    "order": cfg.order,
-                    "min_duration": cfg.min_duration,
-                    "max_duration": cfg.max_duration,
-                    "text_template": cfg.text_template or "",
-                    "transition_effect": (
-                        cfg.transition_effect.value
-                        if hasattr(cfg.transition_effect, "value")
-                        else cfg.transition_effect
-                    ),
-                    "config": cfg.config or {},
-                }
-                for cfg in old_clip_configs
-            ]
+            old_clip_snapshots = clip_configs_to_snapshots(old_clip_configs)

            from packages.domain.template_version import EditTemplateVersion

@@ -905,37 +789,7 @@ class EditTemplateService:
                synchronize_session=False
            )

-            for clip_snap in target_version.clip_configs:
-                # 转场效果兼容校验
-                try:
-                    from packages.domain.template_clip_config import TransitionEffect
-
-                    transition = TransitionEffect(clip_snap.get("transition_effect", "cut"))
-                except (ValueError, ImportError):
-                    from packages.domain.template_clip_config import TransitionEffect
-
-                    transition = TransitionEffect.CUT
-
-                # 片段类型兼容校验
-                try:
-                    from packages.domain.template_clip_config import ClipType
-
-                    clip_type = ClipType(clip_snap.get("clip_type", "main"))
-                except (ValueError, ImportError):
-                    from packages.domain.template_clip_config import ClipType
-
-                    clip_type = ClipType.MAIN
-
-                config_obj = TemplateClipConfig.create(
-                    template_id=template_id,
-                    clip_type=clip_type,
-                    order=clip_snap.get("order", 0),
-                    min_duration=clip_snap.get("min_duration", 0.0),
-                    max_duration=clip_snap.get("max_duration", 0.0),
-                    text_template=clip_snap.get("text_template", ""),
-                    transition_effect=transition,
-                    config=clip_snap.get("config", {}) or {},
-                )
+            for config_obj in snapshots_to_template_clip_configs(template_id, target_version.clip_configs):
                self._clip_config_repo.create(config_obj)

            self._db.commit()
@@ -26,7 +26,13 @@ from packages.domain.edit_plan import EditPlan
 from packages.domain.edit_plan_clip import EditPlanClip
 from packages.domain.edit_template import EditTemplate
 from packages.domain.editing_mode import EditingMode
-from packages.domain.template_clip_config import ClipType, TemplateClipConfig
+from packages.domain.plan_generator_utils import (
+    create_clips_from_configs,
+    distribute_assets,
+    generate_default_clips,
+    map_clip_types_for_mode,
+)
+from packages.domain.template_clip_config import TemplateClipConfig

 logger = logging.getLogger(__name__)

@@ -163,83 +169,18 @@ class PlanGeneratorService:
        plan_id: str,
        clip_configs: List[TemplateClipConfig],
    ) -> List[EditPlanClip]:
-        """从 TemplateClipConfig 列表创建 EditPlanClip 列表（未持久化）"""
-        clips: List[EditPlanClip] = []
-        # 按 order 排序
-        sorted_configs = sorted(clip_configs, key=lambda c: c.order)
+        """从 TemplateClipConfig 列表创建 EditPlanClip 列表（未持久化）.

-        for cfg in sorted_configs:
-            # 计算时长：取 min_duration 和 max_duration 的中间值
-            if cfg.min_duration > 0 and cfg.max_duration > 0:
-                duration = (cfg.min_duration + cfg.max_duration) / 2
-            elif cfg.min_duration > 0:
-                duration = cfg.min_duration
-            elif cfg.max_duration > 0:
-                duration = cfg.max_duration
-            else:
-                duration = _DEFAULT_CLIP_DURATION
-
-            # clip_type 可能是枚举或字符串
-            clip_type = cfg.clip_type.value if hasattr(cfg.clip_type, "value") else cfg.clip_type
-
-            # transition_effect 可能是枚举或字符串
-            transition = (
-                cfg.transition_effect.value if hasattr(cfg.transition_effect, "value") else cfg.transition_effect
-            )
-
-            # 从 clip config 中解析 playback_speed（兼容 speed_ratio 字段名）
-            clip_cfg = cfg.config or {}
-            playback_speed = clip_cfg.get("playback_speed", clip_cfg.get("speed_ratio", 1.0)) or 1.0
-
-            clip = EditPlanClip.create(
-                plan_id=plan_id,
-                clip_type=clip_type,
-                order=cfg.order,
-                template_clip_config_id=cfg.id,
-                text_content=getattr(cfg, "text_template", "") or "",
-                duration=duration,
-                transition_effect=transition or "cut",
-                playback_speed=playback_speed,
-                config=clip_cfg,
-            )
-            clips.append(clip)
-
-        return clips
+        委托给 plan_generator_utils.create_clips_from_configs 纯函数。
+        """
+        return create_clips_from_configs(plan_id, clip_configs)

    def _map_clip_types_for_mode(self, clips: List[EditPlanClip], editing_mode: str) -> None:
-        """将模板 clip_config 生成的 MAIN 类型片段，按 editing_mode 映射为对应角色类型。
+        """将 MAIN 类型片段按 editing_mode 映射为对应角色类型.

-        模板的 clip_config 使用 ClipType 枚举（main/intro/outro 等），
-        但 PIP / VOICE_PIP 模式的素材分配和渲染分层依赖特定的 clip_type 命名
-        （overlay / background / corner_voice / b_roll）。
-
-        映射规则（仅修改 MAIN 类型片段，非 MAIN 片段保持原类型）：
-        - PIP: 第1个 MAIN → main（背景），其余 MAIN → overlay（画中画）
-        - VOICE_PIP: 第1个 → background，第2个 → corner_voice，第3+个 → b_roll
-        - ONE_TAKE / VOICE_OVER: 保持 main 不变
+        委托给 plan_generator_utils.map_clip_types_for_mode 纯函数。
        """
-        from packages.domain.template_clip_config import ClipType
-
-        main_clips = [c for c in clips if c.clip_type == ClipType.MAIN.value]
-        if not main_clips:
-            return
-
-        if editing_mode == EditingMode.PIP.value:
-            # 第1个 main 保持（背景层），其余改为 overlay（画中画层）
-            for i, clip in enumerate(main_clips):
-                if i > 0:
-                    clip.clip_type = "overlay"
-
-        elif editing_mode == EditingMode.VOICE_PIP.value:
-            for i, clip in enumerate(main_clips):
-                if i == 0:
-                    clip.clip_type = "background"
-                elif i == 1:
-                    clip.clip_type = "corner_voice"
-                else:
-                    clip.clip_type = "b_roll"
-
-        # ONE_TAKE / VOICE_OVER: 保持 main 不变，无需处理
+        map_clip_types_for_mode(clips, editing_mode)

    def _generate_default_clips(
        self,
@@ -247,101 +188,11 @@ class PlanGeneratorService:
        editing_mode: str,
        asset_count: int,
    ) -> List[EditPlanClip]:
-        """无 clip_configs 时，根据 editing_mode 生成默认 clip 结构
+        """无 clip_configs 时，根据 editing_mode 生成默认 clip 结构.

-        - ONE_TAKE: N 个 main clips（N = asset_count，至少1个）
-        - PIP: 1 个 main + (N-1) 个 overlay（N = asset_count）
-        - VOICE_OVER: N 个 main clips + 标记需要配音
-        - VOICE_PIP: 1 个 background + 1 个 corner_voice + (N-2) 个 b_roll
+        委托给 plan_generator_utils.generate_default_clips 纯函数。
        """
-        n = max(asset_count, 1)
-        clips: List[EditPlanClip] = []
-        order = 0
-
-        if editing_mode == EditingMode.PIP.value:
-            # 1 个 main（全屏背景）
-            clips.append(
-                EditPlanClip.create(
-                    plan_id=plan_id,
-                    clip_type=ClipType.MAIN.value,
-                    order=order,
-                    duration=_DEFAULT_CLIP_DURATION,
-                )
-            )
-            order += 1
-            # 剩余为 overlay
-            for _ in range(1, n):
-                clips.append(
-                    EditPlanClip.create(
-                        plan_id=plan_id,
-                        clip_type="overlay",
-                        order=order,
-                        duration=_DEFAULT_CLIP_DURATION,
-                    )
-                )
-                order += 1
-
-        elif editing_mode == EditingMode.VOICE_OVER.value:
-            # N 个 main clips（B-roll）
-            for _ in range(n):
-                clips.append(
-                    EditPlanClip.create(
-                        plan_id=plan_id,
-                        clip_type=ClipType.MAIN.value,
-                        order=order,
-                        duration=_DEFAULT_CLIP_DURATION,
-                        config={"role": "b_roll"},
-                    )
-                )
-                order += 1
-
-        elif editing_mode == EditingMode.VOICE_PIP.value:
-            # 1 个 background
-            clips.append(
-                EditPlanClip.create(
-                    plan_id=plan_id,
-                    clip_type="background",
-                    order=order,
-                    duration=_DEFAULT_CLIP_DURATION,
-                )
-            )
-            order += 1
-            # 1 个 corner_voice
-            clips.append(
-                EditPlanClip.create(
-                    plan_id=plan_id,
-                    clip_type="corner_voice",
-                    order=order,
-                    duration=_DEFAULT_CLIP_DURATION,
-                )
-            )
-            order += 1
-            # 剩余为 b_roll
-            for _ in range(2, n):
-                clips.append(
-                    EditPlanClip.create(
-                        plan_id=plan_id,
-                        clip_type="b_roll",
-                        order=order,
-                        duration=_DEFAULT_CLIP_DURATION,
-                    )
-                )
-                order += 1
-
-        else:
-            # ONE_TAKE: N 个 main clips
-            for _ in range(n):
-                clips.append(
-                    EditPlanClip.create(
-                        plan_id=plan_id,
-                        clip_type=ClipType.MAIN.value,
-                        order=order,
-                        duration=_DEFAULT_CLIP_DURATION,
-                    )
-                )
-                order += 1
-
-        return clips
+        return generate_default_clips(plan_id, editing_mode, asset_count)

    def _distribute_assets(
        self,
@@ -349,89 +200,8 @@ class PlanGeneratorService:
        asset_ids: List[str],
        editing_mode: str,
    ) -> None:
-        """按 editing_mode 将素材分配到 clips（就地修改，未持久化）
+        """按 editing_mode 将素材分配到 clips（就地修改，未持久化）.

-        分配策略:
-        - ONE_TAKE: 素材按顺序依次分配给 main 类型 clips
-        - PIP: 第1个素材→main(全屏背景)，其余→交替分配给 overlay clips
-        - VOICE_OVER: 素材→main clips (B-roll)
-        - VOICE_PIP: 第1个→background, 第2个→corner_voice, 其余→b_roll
+        委托给 plan_generator_utils.distribute_assets 纯函数。
        """
-        if not asset_ids or not clips:
-            return
-
-        if editing_mode == EditingMode.ONE_TAKE.value:
-            self._distribute_one_take(clips, asset_ids)
-        elif editing_mode == EditingMode.PIP.value:
-            self._distribute_pip(clips, asset_ids)
-        elif editing_mode == EditingMode.VOICE_OVER.value:
-            self._distribute_voice_over(clips, asset_ids)
-        elif editing_mode == EditingMode.VOICE_PIP.value:
-            self._distribute_voice_pip(clips, asset_ids)
-        else:
-            # 未知模式，退化为 one_take
-            self._distribute_one_take(clips, asset_ids)
-
-    def _distribute_one_take(
-        self,
-        clips: List[EditPlanClip],
-        asset_ids: List[str],
-    ) -> None:
-        """ONE_TAKE: 素材按顺序依次分配给 main 类型 clips"""
-        main_clips = [c for c in clips if c.clip_type == ClipType.MAIN.value]
-        for i, clip in enumerate(main_clips):
-            if i < len(asset_ids):
-                clip.assign_asset(asset_ids[i])
-
-    def _distribute_pip(
-        self,
-        clips: List[EditPlanClip],
-        asset_ids: List[str],
-    ) -> None:
-        """PIP: 第1个素材→main(全屏背景)，其余→overlay clips"""
-        # 第1个素材 → main clip
-        main_clips = [c for c in clips if c.clip_type == ClipType.MAIN.value]
-        if main_clips and asset_ids:
-            main_clips[0].assign_asset(asset_ids[0])
-
-        # 其余素材 → overlay clips
-        overlay_clips = [c for c in clips if c.clip_type == "overlay"]
-        remaining = asset_ids[1:]
-        for i, clip in enumerate(overlay_clips):
-            if i < len(remaining):
-                clip.assign_asset(remaining[i])
-
-    def _distribute_voice_over(
-        self,
-        clips: List[EditPlanClip],
-        asset_ids: List[str],
-    ) -> None:
-        """VOICE_OVER: 素材→main clips (B-roll)"""
-        main_clips = [c for c in clips if c.clip_type == ClipType.MAIN.value]
-        for i, clip in enumerate(main_clips):
-            if i < len(asset_ids):
-                clip.assign_asset(asset_ids[i])
-
-    def _distribute_voice_pip(
-        self,
-        clips: List[EditPlanClip],
-        asset_ids: List[str],
-    ) -> None:
-        """VOICE_PIP: 第1个→background, 第2个→corner_voice, 其余→b_roll"""
-        bg_clips = [c for c in clips if c.clip_type == "background"]
-        corner_clips = [c for c in clips if c.clip_type == "corner_voice"]
-        broll_clips = [c for c in clips if c.clip_type == "b_roll"]
-
-        # 第1个素材 → background
-        if bg_clips and len(asset_ids) > 0:
-            bg_clips[0].assign_asset(asset_ids[0])
-
-        # 第2个素材 → corner_voice
-        if corner_clips and len(asset_ids) > 1:
-            corner_clips[0].assign_asset(asset_ids[1])
-
-        # 其余素材 → b_roll
-        remaining = asset_ids[2:]
-        for i, clip in enumerate(broll_clips):
-            if i < len(remaining):
-                clip.assign_asset(remaining[i])
+        distribute_assets(clips, asset_ids, editing_mode)
@@ -13,57 +13,26 @@
  - 最低质量分门槛：自动过滤低质量素材
  - 时长多样性：保证选出的素材时长分布均匀（短/中/长各占一定比例）
  - 兼容全部模式：素材库模式和项目模式都可用
+
+纯逻辑部分已抽离到 packages.domain.asset_scoring。
 """

 from __future__ import annotations

 import logging
-from dataclasses import dataclass
+
+from packages.domain.asset_scoring import MEDIUM_BUCKET_MAX as _MEDIUM_BUCKET_MAX  # noqa: F401 - re-export for tests
+from packages.domain.asset_scoring import SHORT_BUCKET_MAX as _SHORT_BUCKET_MAX  # noqa: F401 - re-export for tests
+from packages.domain.asset_scoring import (
+    AssetScoreDetail,
+    SmartSelectResult,
+    diverse_selection,
+    filter_candidates,
+    score_asset_detail,
+)

 logger = logging.getLogger(__name__)

-# ── 评分权重 ──────────────────────────────────────────────────────────────────
-_WEIGHT_QUALITY = 0.5
-_WEIGHT_RESOLUTION = 0.2
-_WEIGHT_DURATION = 0.2
-_WEIGHT_BITRATE = 0.1
-
-# ── 评分参数 ──────────────────────────────────────────────────────────────────
-_TARGET_WIDTH = 1920  # 目标分辨率宽度基准
-_TARGET_HEIGHT = 1080  # 目标分辨率高度基准
-_MIN_QUALITY_SCORE = 30.0  # 最低质量分门槛（低于此值的素材直接排除）
-_OPTIMAL_DURATION_MIN = 3.0  # 最佳时长区间（秒）
-_OPTIMAL_DURATION_MAX = 30.0
-
-# ── 多样性分桶 ───────────────────────────────────────────────────────────────
-_SHORT_BUCKET_MAX = 5.0  # 短素材：< 5s
-_MEDIUM_BUCKET_MAX = 15.0  # 中素材：5-15s
-# 长素材：> 15s
-
-
-@dataclass
-class SmartSelectResult:
-    """智能选择结果."""
-
-    selected_ids: list[str]
-    total_candidates: int
-    filtered_out: int  # 被质量门槛过滤的数量
-    avg_score: float
-    details: list[AssetScoreDetail]
-
-
-@dataclass
-class AssetScoreDetail:
-    """单个素材的评分详情."""
-
-    asset_id: str
-    total_score: float
-    quality_score: float
-    resolution_score: float
-    duration_score: float
-    bitrate_score: float
-    duration: float | None
-

 class SmartAssetSelector:
    """智能素材选择器.
@@ -74,9 +43,9 @@ class SmartAssetSelector:

    def __init__(
        self,
-        min_quality_score: float = _MIN_QUALITY_SCORE,
-        target_width: int = _TARGET_WIDTH,
-        target_height: int = _TARGET_HEIGHT,
+        min_quality_score: float = 30.0,
+        target_width: int = 1920,
+        target_height: int = 1080,
    ):
        self.min_quality_score = min_quality_score
        self.target_width = target_width
@@ -102,21 +71,7 @@ class SmartAssetSelector:
            SmartSelectResult 选择结果
        """
        # 1. 过滤：只保留 ready 状态的视频素材 + 最低质量分门槛
-        candidates = []
-        filtered_out = 0
-        for asset in assets:
-            status = getattr(asset, "status", None)
-            status_val = status.value if hasattr(status, "value") else str(status)
-            if status_val != "ready":
-                continue
-            mime_type = getattr(asset, "mime_type", "") or ""
-            if not mime_type.startswith("video"):
-                continue
-            quality = getattr(asset, "quality_score", None)
-            if quality is not None and quality < self.min_quality_score:
-                filtered_out += 1
-                continue
-            candidates.append(asset)
+        candidates, filtered_out = filter_candidates(assets, self.min_quality_score)

        if not candidates:
            return SmartSelectResult(
@@ -130,7 +85,16 @@ class SmartAssetSelector:
        # 2. 对每个候选素材评分
        scored: list[AssetScoreDetail] = []
        for asset in candidates:
-            detail = self._score_asset(asset)
+            detail = score_asset_detail(
+                asset_id=asset.id,
+                quality=getattr(asset, "quality_score", None),
+                width=getattr(asset, "width", None),
+                height=getattr(asset, "height", None),
+                duration=getattr(asset, "duration", None),
+                file_size=getattr(asset, "file_size", 0) or 0,
+                target_width=self.target_width,
+                target_height=self.target_height,
+            )
            scored.append(detail)

        # 3. 按总分降序排列
@@ -138,7 +102,7 @@ class SmartAssetSelector:

        # 4. 多样性选择（如果需要且数量有限制）
        if ensure_diversity and count > 0 and len(scored) > count:
-            selected = self._diverse_selection(scored, count)
+            selected = diverse_selection(scored, count)
        else:
            # 无数量限制或不要求多样性，直接按排名取
            selected = scored if count <= 0 else scored[:count]
@@ -162,165 +126,39 @@ class SmartAssetSelector:
        )
        return result

-    # ── 内部方法 ──────────────────────────────────────────────────────────────
+    # ── 向后兼容：私有方法别名（委托给 asset_scoring 纯函数） ────────────────

    def _score_asset(self, asset) -> AssetScoreDetail:
-        """对单个素材进行多维度评分."""
-        # 质量分
-        quality = getattr(asset, "quality_score", None)
-        quality_score = (quality / 100.0) if quality is not None else 0.5
-
-        # 分辨率评分：越接近目标分辨率得分越高
-        width = getattr(asset, "width", None)
-        height = getattr(asset, "height", None)
-        resolution_score = self._score_resolution(width, height)
-
-        # 时长评分：在最佳区间内得分高，过短过长扣分
-        duration = getattr(asset, "duration", None)
-        duration_score = self._score_duration(duration)
-
-        # 码率评分：用 file_size/duration 估算，适中得分高
-        file_size = getattr(asset, "file_size", 0) or 0
-        bitrate_score = self._score_bitrate(file_size, duration)
-
-        # 加权总分
-        total = (
-            _WEIGHT_QUALITY * quality_score
-            + _WEIGHT_RESOLUTION * resolution_score
-            + _WEIGHT_DURATION * duration_score
-            + _WEIGHT_BITRATE * bitrate_score
-        )
-
-        return AssetScoreDetail(
+        """对单个素材进行多维度评分（向后兼容）."""
+        return score_asset_detail(
            asset_id=asset.id,
-            total_score=round(total, 4),
-            quality_score=round(quality_score, 4),
-            resolution_score=round(resolution_score, 4),
-            duration_score=round(duration_score, 4),
-            bitrate_score=round(bitrate_score, 4),
-            duration=duration,
+            quality=getattr(asset, "quality_score", None),
+            width=getattr(asset, "width", None),
+            height=getattr(asset, "height", None),
+            duration=getattr(asset, "duration", None),
+            file_size=getattr(asset, "file_size", 0) or 0,
+            target_width=self.target_width,
+            target_height=self.target_height,
        )

    def _score_resolution(self, width: int | None, height: int | None) -> float:
-        """分辨率评分：越接近目标分辨率得分越高，低于480p扣分严重."""
-        if width is None or height is None or width <= 0 or height <= 0:
-            return 0.5  # 未知分辨率给中评分
+        """分辨率评分（向后兼容）."""
+        from packages.domain.asset_scoring import score_resolution

-        target_pixels = self.target_width * self.target_height
-        actual_pixels = width * height
-
-        # 计算像素数比例
-        ratio = actual_pixels / target_pixels
-
-        if ratio >= 1.0:
-            # 高于或等于目标分辨率：满分，略高不扣分（4K也给满分）
-            return 1.0
-        else:
-            # 低于目标分辨率：线性衰减，但最低不低于 0.1
-            # 例如：720p (921600) / 1080p (2073600) = 0.44 → 得分 0.6
-            score = 0.3 + 0.7 * ratio
-            return max(0.1, min(1.0, score))
+        return score_resolution(width, height, self.target_width, self.target_height)

    def _score_duration(self, duration: float | None) -> float:
-        """时长评分：3-30秒最佳，过短或过长都扣分."""
-        if duration is None or duration <= 0:
-            return 0.5  # 未知时长给中评分
+        """时长评分（向后兼容）."""
+        from packages.domain.asset_scoring import score_duration

-        if _OPTIMAL_DURATION_MIN <= duration <= _OPTIMAL_DURATION_MAX:
-            # 最佳区间：满分
-            return 1.0
-
-        if duration < _OPTIMAL_DURATION_MIN:
-            # 太短：线性衰减，1秒以下给 0.3
-            ratio = duration / _OPTIMAL_DURATION_MIN
-            return 0.3 + 0.7 * ratio
-
-        # 太长：每超过最佳区间上限10秒扣 0.1 分，最低 0.2
-        excess = duration - _OPTIMAL_DURATION_MAX
-        penalty = min(0.8, excess / 10.0 * 0.1)
-        return max(0.2, 1.0 - penalty)
+        return score_duration(duration)

    def _score_bitrate(self, file_size: int, duration: float | None) -> float:
-        """码率评分：根据文件大小和时长估算码率，适中得分高."""
-        if not file_size or not duration or duration <= 0:
-            return 0.5  # 未知给中评分
+        """码率评分（向后兼容）."""
+        from packages.domain.asset_scoring import score_bitrate

-        # 估算码率（bps）
-        bitrate = (file_size * 8) / duration
-
-        # 最佳码率范围：2-8 Mbps
-        optimal_low = 2_000_000  # 2 Mbps
-        optimal_high = 8_000_000  # 8 Mbps
-
-        if optimal_low <= bitrate <= optimal_high:
-            return 1.0
-
-        if bitrate < optimal_low:
-            # 码率太低：线性衰减
-            ratio = bitrate / optimal_low
-            return 0.3 + 0.7 * ratio
-
-        # 码率太高（文件太大）：适度扣分
-        excess = bitrate / optimal_high - 1.0
-        penalty = min(0.5, excess * 0.2)
-        return max(0.5, 1.0 - penalty)
+        return score_bitrate(file_size, duration)

    def _diverse_selection(self, scored: list[AssetScoreDetail], count: int) -> list[AssetScoreDetail]:
-        """多样性选择：按时长分桶，保证每个桶都有素材.
-
-        策略：
-        1. 按时长分为三桶：短(<5s)、中(5-15s)、长(>15s)
-        2. 每个桶配额 = max(1, count / 3)
-        3. 先从每桶按配额取最高分的
-        4. 剩余名额从全局最高分中取（不重复）
-        """
-        # 分桶
-        short_bucket = [d for d in scored if d.duration is not None and d.duration < _SHORT_BUCKET_MAX]
-        medium_bucket = [
-            d for d in scored if d.duration is not None and _SHORT_BUCKET_MAX <= d.duration < _MEDIUM_BUCKET_MAX
-        ]
-        long_bucket = [d for d in scored if d.duration is not None and d.duration >= _MEDIUM_BUCKET_MAX]
-        unknown_bucket = [d for d in scored if d.duration is None]
-
-        buckets = [short_bucket, medium_bucket, long_bucket]
-        bucket_names = ["short", "medium", "long"]
-
-        # 每个桶基础配额（至少1个，如果桶非空且需要的话）
-        base_quota = max(1, count // 3)
-
-        selected: list[AssetScoreDetail] = []
-        selected_ids: set[str] = set()
-
-        # 先按配额从每个桶取
-        for bucket, _name in zip(buckets, bucket_names, strict=False):
-            quota = min(base_quota, len(bucket))
-            if quota <= 0:
-                continue
-            # 桶内已经按分数排好序了，直接取前 quota 个
-            for item in bucket[:quota]:
-                if item.asset_id not in selected_ids:
-                    selected.append(item)
-                    selected_ids.add(item.asset_id)
-                    if len(selected) >= count:
-                        return selected
-
-        # 剩余名额：从全局（未被选中的）中按分数高低取
-        remaining_needed = count - len(selected)
-        if remaining_needed > 0:
-            for item in scored:
-                if item.asset_id not in selected_ids:
-                    selected.append(item)
-                    selected_ids.add(item.asset_id)
-                    if len(selected) >= count:
-                        break
-
-        # 如果还不够（不应该发生），加上未知时长的
-        if len(selected) < count and unknown_bucket:
-            for item in unknown_bucket:
-                if item.asset_id not in selected_ids:
-                    selected.append(item)
-                    selected_ids.add(item.asset_id)
-                    if len(selected) >= count:
-                        break
-
-        return selected[:count]
+        """多样性选择（向后兼容）."""
+        return diverse_selection(scored, count)
@@ -29,47 +29,33 @@ from packages.adapters.sqlalchemy_impl.edit_plan_repository import (
 )
 from packages.domain.edit_plan import EditPlanStatus
 from packages.domain.edit_plan_clip import EditPlanClip, EditPlanClipStatus
-from packages.domain.template_clip_config import TransitionEffect
+from packages.domain.video_filter_builder import (
+    DEFAULT_FPS,
+    DEFAULT_OUTPUT_HEIGHT,
+    DEFAULT_OUTPUT_WIDTH,
+    DEFAULT_TRANSITION_DURATION,
+    ClipFilterChain,
+    build_clip_filter,
+)
+from packages.domain.video_filter_builder import build_concat_filter as _build_concat_filter_func
+from packages.domain.video_filter_builder import build_filter_complex as _build_filter_complex
+from packages.domain.video_filter_builder import build_xfade_filter as _build_xfade_filter_func
+from packages.domain.video_filter_builder import chain_filters as _chain_filters_func
+from packages.domain.video_filter_builder import has_audio as _has_audio_func

 logger = logging.getLogger(__name__)

-# ── 常量 ──────────────────────────────────────────────────────────────────────
+# ── 常量（向后兼容别名） ──────────────────────────────────────────────────────
+# 实际定义已迁移至 packages/domain/video_filter_builder.py

-DEFAULT_OUTPUT_WIDTH = 1280
-DEFAULT_OUTPUT_HEIGHT = 720
-DEFAULT_FPS = 25
 DEFAULT_CODEC = "libx264"
 DEFAULT_CRF = 23
 DEFAULT_PRESET = "medium"

-# xfade 转场映射：TransitionEffect → FFmpeg xfade transition 名称
-_XFADE_TRANSITION_MAP: dict[str, str] = {
-    TransitionEffect.FADE: "fade",
-    TransitionEffect.SLIDE_LEFT: "slideleft",
-    TransitionEffect.SLIDE_RIGHT: "slideright",
-    TransitionEffect.DISSOLVE: "dissolve",
-    TransitionEffect.WIPE: "wipeleft",
-}
-
-# 转场默认时长（秒）
-DEFAULT_TRANSITION_DURATION = 0.5
-

 # ── 数据结构 ──────────────────────────────────────────────────────────────────


-@dataclass(frozen=True)
-class ClipFilterChain:
-    """单个片段的滤镜链描述。"""
-
-    clip_id: str
-    input_index: int
-    video_label: str
-    audio_label: str | None
-    filters: list[str]
-    duration: float
-
-
@dataclass(frozen=True)
 class ComposeCommand:
    """完整的 FFmpeg 合成命令描述。"""
@@ -401,62 +387,8 @@ class VideoComposeService:
        output_height: int,
        fps: int,
    ) -> ClipFilterChain:
-        """为单个片段构建滤镜链。
-
-        滤镜顺序：
-        1. scale — 等比缩放到目标分辨率（保证覆盖）
-        2. crop — 居中裁剪到目标分辨率
-        3. fps — 统一输出帧率（concat 要求所有输入帧率一致）
-        4. setpts — 重置时间戳 + 偏移
-        5. trim — 视频时长裁剪
-        6. atrim — 音频时长裁剪（如有音频流）
-        """
-        duration = clip.duration if clip.duration > 0 else 5.0  # 默认 5 秒
-        start = clip.start_time
-
-        filters: list[str] = []
-
-        # 1. scale: 等比缩放（保持比例，不裁剪）
-        filters.append(f"scale={output_width}:{output_height}" f":force_original_aspect_ratio=decrease")
-
-        # 2. pad: 居中+留黑边到目标分辨率（保持原始比例，不裁剪内容）
-        filters.append(f"pad={output_width}:{output_height}:(ow-iw)/2:(oh-ih)/2:black")
-
-        # 3. format: 统一像素格式为 yuv420p（H.264 标准格式，concat 要求所有输入像素格式一致）
-        # 不同素材可能是 yuv420p / yuv422p / yuv444p / nv12 等，必须统一
-        filters.append("format=yuv420p")
-
-        # 4. fps: 统一帧率（concat 要求所有输入帧率一致）
-        # 放在 pad 之后、setpts 之前，确保分辨率和帧率都已统一
-        if fps and fps > 0:
-            filters.append(f"fps={fps}")
-
-        # 3. setpts: 重置时间戳
-        if start > 0:
-            filters.append(f"setpts=PTS-STARTPTS+{start}/TB")
-        else:
-            filters.append("setpts=PTS-STARTPTS")
-
-        # 4. trim: 视频时长
-        filters.append(f"trim=0:{duration}")
-        filters.append("setpts=PTS-STARTPTS")  # trim 后需要重置 PTS
-
-        video_label = f"v{input_index}"
-
-        # 5. 音频标签：仅当片段类型可能有音频时才设置
-        # title/subtitle 是纯文字/图片卡片，没有音频流
-        clip_type = clip.clip_type.lower() if clip.clip_type else ""
-        has_audio_stream = clip_type not in ("title", "subtitle")
-        audio_label = f"a{input_index}" if has_audio_stream else None
-
-        return ClipFilterChain(
-            clip_id=clip.id,
-            input_index=input_index,
-            video_label=video_label,
-            audio_label=audio_label,
-            filters=filters,
-            duration=duration,
-        )
+        """向后兼容：委托给 video_filter_builder.build_clip_filter。"""
+        return build_clip_filter(clip, input_index, output_width, output_height, fps)

    @staticmethod
    def _build_filter_complex(
@@ -466,102 +398,30 @@ class VideoComposeService:
        transition_duration: float,
        transitions: list[str],
    ) -> tuple[str, float]:
-        """构建完整的 filter_complex 字符串。
-
-        策略：
-        - 单片段：直接输出
-        - 多片段 + 全 cut：使用 concat 滤镜（高效）
-        - 多片段 + 有转场：使用 xfade 滤镜链
-
-        返回 (filter_complex_string, estimated_total_duration)。
-        """
-        n = len(clip_chains)
-
-        if n == 0:
-            return "", 0.0
-
-        # ── 单片段 ─────────────────────────────────────────────────────
-        if n == 1:
-            chain = clip_chains[0]
-            filter_str = _chain_filters(chain.filters, chain.video_label)
-            # 音频
-            if chain.audio_label:
-                filter_str += f";[0:a]{chain.audio_label}"
-            total_duration = chain.duration
-            return filter_str, total_duration
-
-        # ── 检查是否有转场 ─────────────────────────────────────────────
-        has_transitions = any(t != TransitionEffect.CUT and t != "cut" for t in transitions)
-
-        if not has_transitions:
-            return _build_concat_filter(clip_chains)
-
-        # ── 有转场：使用 xfade ─────────────────────────────────────────
-        return _build_xfade_filter(
-            clip_chains=clip_chains,
-            transition_duration=transition_duration,
-            transitions=transitions,
-        )
+        """向后兼容：委托给 video_filter_builder.build_filter_complex。"""
+        return _build_filter_complex(clip_chains, output_width, output_height, transition_duration, transitions)

    @staticmethod
    def _has_audio(clip_chains: list[ClipFilterChain]) -> bool:
-        """是否有任何片段包含音频流。"""
-        return any(c.audio_label is not None for c in clip_chains)
+        """向后兼容：委托给 video_filter_builder.has_audio。"""
+        return _has_audio_func(clip_chains)


-# ── 模块级辅助函数 ────────────────────────────────────────────────────────────
+# ── 模块级辅助函数（向后兼容别名） ──────────────────────────────────────────
+# 实际实现已迁移至 packages/domain/video_filter_builder.py
+# 保留此处别名以兼容现有测试与调用方


 def _chain_filters(filters: list[str], output_label: str) -> str:
-    """将滤镜列表串联为 FFmpeg 滤镜字符串。"""
-    filter_body = ",".join(filters)
-    return f"[0:v]{filter_body}[{output_label}]"
+    """向后兼容：委托给 video_filter_builder.chain_filters。"""
+    return _chain_filters_func(filters, output_label)


 def _build_concat_filter(
    clip_chains: list[ClipFilterChain],
 ) -> tuple[str, float]:
-    """构建 concat 滤镜（无转场，高效拼接）。
-
-    格式：
-    [0:v]filters[v0]; [1:v]filters[v1]; ...
-    [v0][v1]...[vN]concat=n=N:v=1:a=0[outv]
-    """
-    n = len(clip_chains)
-    parts: list[str] = []
-    total_duration = 0.0
-
-    # 每个片段的滤镜链
-    for idx, chain in enumerate(clip_chains):
-        filter_body = ",".join(chain.filters)
-        parts.append(f"[{idx}:v]{filter_body}[{chain.video_label}]")
-        total_duration += chain.duration
-
-    # concat 滤镜
-    concat_inputs = "".join(f"[{c.video_label}]" for c in clip_chains)
-    concat_filter = f"{concat_inputs}concat=n={n}:v=1:a=0[outv]"
-    parts.append(concat_filter)
-
-    # 音频 concat（如果有）— 先统一音频格式再拼接，否则不同采样率/声道会导致concat失败
-    audio_parts: list[str] = []
-    for idx, chain in enumerate(clip_chains):
-        if chain.audio_label:
-            # aformat: 统一采样率48000Hz + 双声道stereo + fltp采样格式（AAC标准格式）
-            audio_filters = [
-                "aformat=sample_rates=48000:channel_layouts=stereo:sample_fmts=fltp",
-                f"atrim=0:{chain.duration}",
-                "asetpts=PTS-STARTPTS",
-            ]
-            audio_parts.append(f"[{idx}:a]{','.join(audio_filters)}[{chain.audio_label}]")
-
-    if audio_parts:
-        parts.extend(audio_parts)
-        audio_inputs = "".join(f"[{c.audio_label}]" for c in clip_chains if c.audio_label)
-        audio_count = sum(1 for c in clip_chains if c.audio_label)
-        if audio_count > 0:
-            parts.append(f"{audio_inputs}concat=n={audio_count}:v=0:a=1[outa]")
-
-    return ";".join(parts), total_duration
+    """向后兼容：委托给 video_filter_builder.build_concat_filter。"""
+    return _build_concat_filter_func(clip_chains)


 def _build_xfade_filter(
@@ -569,80 +429,5 @@ def _build_xfade_filter(
    transition_duration: float,
    transitions: list[str],
 ) -> tuple[str, float]:
-    """构建 xfade 转场滤镜链。
-
-    每两个相邻片段之间插入 xfade 转场。
-    offset = 前一个片段的累积时长 - 转场时长。
-
-    格式（2 片段）：
-    [0:v]filters[v0]; [1:v]filters[v1];
-    [v0][v1]xfade=transition=fade:duration=0.5:offset=4.5[outv]
-
-    格式（3+ 片段）：
-    [v0][v1]xfade=...[tmp1]; [tmp1][v2]xfade=...[outv]
-    """
-    n = len(clip_chains)
-    parts: list[str] = []
-    total_duration = 0.0
-
-    # 每个片段的滤镜链
-    for idx, chain in enumerate(clip_chains):
-        filter_body = ",".join(chain.filters)
-        parts.append(f"[{idx}:v]{filter_body}[{chain.video_label}]")
-        total_duration += chain.duration
-
-    # xfade 链
-    if n == 1:
-        # 单片段不需要 xfade
-        parts.append(f"[{clip_chains[0].video_label}]copy[outv]")
-        return ";".join(parts), total_duration
-
-    # 计算每个转场的 offset
-    cumulative = 0.0
-    prev_label = clip_chains[0].video_label
-
-    for i in range(1, n):
-        cumulative += clip_chains[i - 1].duration
-        offset = max(0.0, cumulative - transition_duration * i)
-
-        # 获取转场类型
-        transition = transitions[i] if i < len(transitions) else "cut"
-        xfade_transition = _XFADE_TRANSITION_MAP.get(transition, "fade")
-
-        if i == n - 1:
-            # 最后一个转场，输出到 [outv]
-            out_label = "outv"
-        else:
-            out_label = f"xf{i}"
-
-        parts.append(
-            f"[{prev_label}][{clip_chains[i].video_label}]"
-            f"xfade=transition={xfade_transition}"
-            f":duration={transition_duration}"
-            f":offset={offset:.3f}"
-            f"[{out_label}]"
-        )
-        prev_label = out_label
-
-    # 总时长需要减去转场重叠部分
-    total_duration -= transition_duration * (n - 1)
-
-    # 音频：先 aformat 归一化再 concat（不同采样率/声道/采样格式会导致concat失败）
-    audio_chains_with_label = [(c, c.audio_label) for c in clip_chains if c.audio_label]
-    if len(audio_chains_with_label) >= 2:
-        normalized_audio_labels: list[str] = []
-        for chain, _ in audio_chains_with_label:
-            norm_label = f"anorm_{chain.video_label}"
-            audio_filters = [
-                "aformat=sample_rates=48000:channel_layouts=stereo:sample_fmts=fltp",
-                f"atrim=0:{chain.duration}",
-                "asetpts=PTS-STARTPTS",
-            ]
-            parts.append(f"[{chain.audio_label}]{','.join(audio_filters)}[{norm_label}]")
-            normalized_audio_labels.append(norm_label)
-        audio_inputs = "".join(f"[{label}]" for label in normalized_audio_labels)
-        parts.append(f"{audio_inputs}concat=n={len(normalized_audio_labels)}:v=0:a=1[outa]")
-    elif len(audio_chains_with_label) == 1:
-        parts.append(f"[{audio_chains_with_label[0][0].audio_label}]acopy[outa]")
-
-    return ";".join(parts), max(0.0, total_duration)
+    """向后兼容：委托给 video_filter_builder.build_xfade_filter。"""
+    return _build_xfade_filter_func(clip_chains, transition_duration, transitions)
@@ -1,443 +0,0 @@
-/**
- * 素材相关 API
- * Phase 1 重构：去掉 project_id，素材直接归属用户
- */
-import apiClient from "./client"
-import { getOrCreateDefaultProject } from "./projects"
-
-/** 素材元数据 */
-export interface AssetMetadata {
-  /** 时长（秒） */
-  duration?: number
-  /** 宽度（像素） */
-  width?: number
-  /** 高度（像素） */
-  height?: number
-  /** 比特率（bps） */
-  bitrate?: number
-  /** 编码格式 */
-  codec?: string
-  /** 帧率 */
-  fps?: number
-  /** 采样率（Hz） */
-  sample_rate?: number
-  /** 声道数 */
-  channels?: number
-  /** 其他扩展字段 */
-  [key: string]: unknown
-}
-
-/** 素材分类状态 */
-export type AssetClassificationStatus = "pending" | "processing" | "completed" | "failed"
-
-/** 素材条目 */
-export interface AssetItem {
-  id: string
-  library_id: string
-  name: string
-  storage_key: string
-  mime_type: string
-  metadata: AssetMetadata
-  file_size?: number
-  file_url?: string
-  thumbnail_url?: string
-  /** 时长（秒），视频/音频素材由后端从 metadata 提取到顶层 */
-  duration?: number
-  status?: string
-  classification_status?: AssetClassificationStatus | null
-  quality_score?: number | null
-  tag_ids?: string[]
-  created_at?: string
-}
-
-/** 素材库 */
-export interface AssetLibraryItem {
-  id: string
-  name: string
-  kind: "video" | "voice" | "image"
-  asset_count?: number
-  total_size?: number
-  created_at?: string
-}
-
-/** 入库任务 */
-export interface IngestJob {
-  id: string
-  library_id: string
-  storage_key: string
-  status: "pending" | "processing" | "completed" | "failed"
-  error_message: string
-  result_asset_id: string
-}
-
-/** 分类任务 */
-export interface ClassificationJob {
-  id: string
-  asset_id: string
-  status: "pending" | "processing" | "completed" | "failed"
-  classification: string
-  confidence: number
-  error_message: string
-}
-
-/** 素材诊断信息 */
-export interface AssetDiagnosis {
-  readiness_score: number
-  readiness_label: string
-  total_assets: number
-  ready_assets: number
-  video_assets: number
-  image_assets: number
-  voice_assets: number
-  total_duration_seconds: number
-  estimated_video_count: number
-  used_assets: number
-  unused_assets: number
-  pending_review_assets: number
-  smart_views: Array<{
-    key: string
-    label: string
-    count: number
-    description: string
-  }>
-  gaps: Array<{
-    key: string
-    severity: "critical" | "warning" | "info"
-    message: string
-    recommendation: string
-  }>
-}
-
-// ─── 素材诊断 ──────────────────────────────────────────────
-
-/** 获取素材诊断信息（可选 asset_id 查单素材，否则全局诊断） */
-export const getAssetDiagnosis = async (assetId?: string): Promise<AssetDiagnosis> => {
-  const params: Record<string, string> = {}
-  if (assetId) params.asset_id = assetId
-  const response = await apiClient.get("/asset-diagnosis", { params })
-  return response.data
-}
-
-// ─── 素材库 ────────────────────────────────────────────────
-
-/** 获取当前用户的所有素材库 */
-export const getAssetLibraries = async (): Promise<AssetLibraryItem[]> => {
-  const response = await apiClient.get("/asset-libraries")
-  return response.data.items || []
-}
-
-/** 创建素材库（自动获取或创建默认项目以提供 project_id） */
-export const createAssetLibrary = async (data: {
-  name: string
-  kind: "video" | "voice" | "image"
-}): Promise<AssetLibraryItem> => {
-  // 后端要求 project_id，前端自动管理默认项目
-  const project = await getOrCreateDefaultProject()
-  const response = await apiClient.post("/asset-libraries", {
-    project_id: project.id,
-    ...data,
-  })
-  return response.data
-}
-
-/** 确保项目下指定 kind 的默认素材库存在（不存在则自动创建） */
-export const ensureDefaultLibrary = async (data: {
-  project_id: string
-  kind: "video" | "voice" | "image"
-}): Promise<AssetLibraryItem> => {
-  const response = await apiClient.post("/asset-libraries/ensure-default", data)
-  return response.data
-}
-
-/** 删除素材库 */
-export const deleteAssetLibrary = async (libraryId: string): Promise<void> => {
-  await apiClient.delete(`/asset-libraries/${libraryId}`)
-}
-
-// ─── 素材 ──────────────────────────────────────────────────
-
-/** 获取素材库下的所有素材 */
-export const getAssets = async (
-  libraryId: string,
-  options?: { status?: string; page?: number; page_size?: number },
-): Promise<{ items: AssetItem[]; total: number }> => {
-  const params: Record<string, string | number> = { library_id: libraryId }
-  // 默认拉取所有非删除状态的素材（ready/ingesting/processing/uploading/error/failed）
-  // 让用户能看到"处理中"的素材，不会以为上传失败了
-  if (options?.status) {
-    params.status = options.status
-  }
-  if (options?.page) params.page = options.page
-  if (options?.page_size) params.page_size = options.page_size
-  const response = await apiClient.get("/assets", { params })
-  const data = response.data || {}
-  const items: AssetItem[] = data.items || []
-  const total: number = typeof data.total === "number" ? data.total : items.length
-  return { items, total }
-}
-
-/** 按类型获取素材（如 voice/video/image），支持可选筛选 */
-export const getAssetsByKind = async (
-  kind: string,
-  filters?: {
-    keyword?: string
-    gender?: string
-    style?: string
-    tag_ids?: string[]
-    limit?: number
-    page?: number
-    page_size?: number
-  },
-): Promise<AssetItem[]> => {
-  const params: Record<string, string | number> = { kind }
-  if (filters?.keyword) params.keyword = filters.keyword
-  if (filters?.gender) params.gender = filters.gender
-  if (filters?.style) params.style = filters.style
-  if (filters?.tag_ids?.length) params.tag_ids = filters.tag_ids.join(",")
-  if (filters?.limit) params.limit = filters.limit
-  if (filters?.page) params.page = filters.page
-  if (filters?.page_size) params.page_size = filters.page_size
-  const response = await apiClient.get("/assets", { params })
-  return response.data.items || []
-}
-
-/** 创建素材（上传文件后调用，附带 metadata） */
-export const createAsset = async (data: {
-  library_id: string
-  name: string
-  storage_key: string
-  mime_type: string
-  metadata?: AssetMetadata
-}): Promise<AssetItem> => {
-  const response = await apiClient.post("/assets", data)
-  return response.data
-}
-
-/** 更新素材（名称、metadata 等） */
-export const updateAsset = async (
-  assetId: string,
-  data: { name?: string; metadata?: AssetMetadata },
-): Promise<AssetItem> => {
-  const response = await apiClient.put(`/assets/${assetId}`, data)
-  return response.data
-}
-
-/** 更新素材审核状态 */
-export const updateAssetReviewStatus = async (
-  assetId: string,
-  reviewStatus: "pending_review" | "approved" | "rejected",
-): Promise<AssetItem> => {
-  const response = await apiClient.patch(`/assets/${assetId}/review`, {
-    review_status: reviewStatus,
-  })
-  return response.data
-}
-
-/** 删除素材 */
-export const deleteAsset = async (assetId: string): Promise<void> => {
-  await apiClient.delete(`/assets/${assetId}`)
-}
-
-// ─── 上传 ──────────────────────────────────────────────────
-
-/** 表单上传素材（小文件） */
-export const uploadAsset = async (
-  formData: FormData,
-): Promise<{ storage_key: string; ingest_job_id: string; url: string }> => {
-  const response = await apiClient.post("/upload", formData, {
-    headers: { "Content-Type": "multipart/form-data" },
-    timeout: 30 * 60 * 1000,
-  })
-  return response.data
-}
-
-/** 预签名直传准备 */
-export const prepareDirectUpload = async (data: {
-  project_id: string
-  library_id: string
-  filename: string
-  content_type: string
-  file_size: number
-}): Promise<{
-  upload_url: string
-  method: string
-  storage_key: string
-  expires_at: string
-  fields: Record<string, string>
-  max_size_bytes: number
-}> => {
-  const response = await apiClient.post("/upload/direct/prepare", data)
-  return response.data
-}
-
-/** 直传完成确认 */
-export const completeDirectUpload = async (data: {
-  project_id: string
-  library_id: string
-  storage_key: string
-}): Promise<{ storage_key: string; ingest_job_id: string }> => {
-  const response = await apiClient.post("/upload/direct/complete", data)
-  return response.data
-}
-
-/** 直传上传（大文件推荐），支持可选进度回调 */
-export const uploadAssetDirect = async (data: {
-  file: File
-  library_id: string
-  onProgress?: (percent: number) => void
-}): Promise<{ storage_key: string; ingest_job_id: string }> => {
-  // 后端要求 project_id，前端自动获取默认项目
-  const project = await getOrCreateDefaultProject()
-
-  const prepared = await prepareDirectUpload({
-    project_id: project.id,
-    library_id: data.library_id,
-    filename: data.file.name,
-    content_type: data.file.type || "application/octet-stream",
-    file_size: data.file.size,
-  })
-
-  const directForm = new FormData()
-  Object.entries(prepared.fields).forEach(([key, value]) => directForm.append(key, value))
-  directForm.append("file", data.file)
-
-  // 使用 XMLHttpRequest 以获取上传进度 + 超时控制 + 详细错误诊断
-  await new Promise<void>((resolve, reject) => {
-    const xhr = new XMLHttpRequest()
-    xhr.open(prepared.method, prepared.upload_url)
-
-    // 超时 10 分钟
-    xhr.timeout = 10 * 60 * 1000
-
-    xhr.upload.onprogress = (e) => {
-      if (e.lengthComputable && data.onProgress) {
-        data.onProgress(Math.round((e.loaded / e.total) * 100))
-      }
-    }
-    xhr.onload = () => {
-      if (xhr.status >= 200 && xhr.status < 300) {
-        resolve()
-      } else {
-        // 解析 OSS 返回的 XML 错误信息
-        let ossError = ""
-        try {
-          const codeMatch = xhr.responseText.match(/<Code>([^<]+)<\/Code>/)
-          const msgMatch = xhr.responseText.match(/<Message>([^<]+)<\/Message>/)
-          if (codeMatch || msgMatch) {
-            ossError = ` [OSS: ${codeMatch?.[1] || "unknown"} - ${msgMatch?.[1] || "unknown"}]`
-          }
-        } catch {
-          // 无法解析响应体
-        }
-        const detail = `OSS 直传失败: HTTP ${xhr.status} ${xhr.statusText}${ossError}`
-        console.error("[OSS Upload] 直传失败:", {
-          url: prepared.upload_url,
-          storage_key: prepared.storage_key,
-          status: xhr.status,
-          statusText: xhr.statusText,
-        })
-        reject(new Error(detail))
-      }
-    }
-    xhr.onerror = () => {
-      console.error("[OSS Upload] 网络错误:", {
-        url: prepared.upload_url,
-        storage_key: prepared.storage_key,
-      })
-      reject(new Error("OSS 上传网络错误，请检查网络连接"))
-    }
-    xhr.ontimeout = () => {
-      console.error("[OSS Upload] 上传超时:", {
-        url: prepared.upload_url,
-        storage_key: prepared.storage_key,
-      })
-      reject(new Error("OSS 上传超时（10分钟），请检查网络或尝试更小的文件"))
-    }
-    xhr.send(directForm)
-  })
-
-  return completeDirectUpload({
-    project_id: project.id,
-    library_id: data.library_id,
-    storage_key: prepared.storage_key,
-  })
-}
-
-// ─── 入库 / 分类任务 ───────────────────────────────────────
-
-/** 查询入库任务状态 */
-export const getIngestJob = async (jobId: string): Promise<IngestJob> => {
-  const response = await apiClient.get(`/ingest-jobs/${jobId}`)
-  return response.data
-}
-
-/** 提交素材分类任务 */
-export const submitClassificationJob = async (data: {
-  asset_id: string
-}): Promise<ClassificationJob> => {
-  const response = await apiClient.post("/classification-jobs", data)
-  return response.data
-}
-
-/** 查询分类任务状态 */
-export const getClassificationJob = async (jobId: string): Promise<ClassificationJob> => {
-  const response = await apiClient.get(`/classification-jobs/${jobId}`)
-  return response.data
-}
-
-// ─── 批量操作 ───────────────────────────────────────────────
-
-/** 批量操作结果 */
-export interface BatchOperationResult {
-  succeeded: string[]
-  failed: string[]
-  total: number
-  success_count: number
-  failure_count: number
-}
-
-/** 统一批量操作结果归一化，防御后端字段缺失或格式不一致 */
-const normalizeBatchResult = (raw: Record<string, unknown>): BatchOperationResult => {
-  const succeeded = Array.isArray(raw.succeeded) ? (raw.succeeded as string[]) : []
-  const failed = Array.isArray(raw.failed) ? (raw.failed as string[]) : []
-  const success_count = typeof raw.success_count === "number" ? raw.success_count : succeeded.length
-  const failure_count = typeof raw.failure_count === "number" ? raw.failure_count : failed.length
-  const total = typeof raw.total === "number" ? raw.total : success_count + failure_count
-  return { succeeded, failed, total, success_count, failure_count }
-}
-
-/** 批量删除素材 */
-export const batchDeleteAssets = async (assetIds: string[]): Promise<BatchOperationResult> => {
-  const response = await apiClient.post("/assets/batch-delete", {
-    asset_ids: assetIds,
-  })
-  return normalizeBatchResult((response.data || {}) as Record<string, unknown>)
-}
-
-/** 批量打标签 */
-export const batchTagAssets = async (data: {
-  asset_ids: string[]
-  tags: string[]
-  mode: "add" | "replace"
-}): Promise<BatchOperationResult> => {
-  const response = await apiClient.post("/assets/batch-tag", data)
-  return normalizeBatchResult((response.data || {}) as Record<string, unknown>)
-}
-
-/** 批量改分类 */
-export const batchClassifyAssets = async (data: {
-  asset_ids: string[]
-  category: string
-}): Promise<BatchOperationResult> => {
-  const response = await apiClient.post("/assets/batch-classify", data)
-  return normalizeBatchResult((response.data || {}) as Record<string, unknown>)
-}
-
-/** 批量智能标记 */
-export const batchMarkAssets = async (data: {
-  asset_ids: string[]
-  smart_view: "recommended" | "caution" | "high_risk"
-}): Promise<BatchOperationResult> => {
-  const response = await apiClient.post("/assets/batch-mark", data)
-  return normalizeBatchResult((response.data || {}) as Record<string, unknown>)
-}
@@ -0,0 +1,87 @@
+/**
+ * 素材 CRUD API
+ */
+import apiClient from "../client"
+import type { AssetItem, AssetMetadata } from "./types"
+
+/** 获取素材库下的所有素材 */
+export const getAssets = async (
+  libraryId: string,
+  options?: {
+    status?: string
+    page?: number
+    page_size?: number
+  },
+): Promise<{ items: AssetItem[]; total: number }> => {
+  const params: Record<string, string | number> = { library_id: libraryId }
+  if (options?.status) params.status = options.status
+  if (options?.page) params.page = options.page
+  if (options?.page_size) params.page_size = options.page_size
+  const response = await apiClient.get("/assets", { params })
+  const data = response.data || {}
+  const items: AssetItem[] = data.items || []
+  const total: number = typeof data.total === "number" ? data.total : items.length
+  return { items, total }
+}
+
+/** 按类型获取素材（如 voice/video/image），支持可选筛选 */
+export const getAssetsByKind = async (
+  kind: string,
+  filters?: {
+    keyword?: string
+    gender?: string
+    style?: string
+    tag_ids?: string[]
+    limit?: number
+    page?: number
+    page_size?: number
+  },
+): Promise<AssetItem[]> => {
+  const params: Record<string, string | number> = { kind }
+  if (filters?.keyword) params.keyword = filters.keyword
+  if (filters?.gender) params.gender = filters.gender
+  if (filters?.style) params.style = filters.style
+  if (filters?.tag_ids?.length) params.tag_ids = filters.tag_ids.join(",")
+  if (filters?.limit) params.limit = filters.limit
+  if (filters?.page) params.page = filters.page
+  if (filters?.page_size) params.page_size = filters.page_size
+  const response = await apiClient.get("/assets", { params })
+  return response.data.items || []
+}
+
+/** 创建素材（上传文件后调用，附带 metadata） */
+export const createAsset = async (data: {
+  library_id: string
+  name: string
+  storage_key: string
+  mime_type: string
+  metadata?: AssetMetadata
+}): Promise<AssetItem> => {
+  const response = await apiClient.post("/assets", data)
+  return response.data
+}
+
+/** 更新素材（名称、metadata 等） */
+export const updateAsset = async (
+  assetId: string,
+  data: { name?: string; metadata?: AssetMetadata },
+): Promise<AssetItem> => {
+  const response = await apiClient.put(`/assets/${assetId}`, data)
+  return response.data
+}
+
+/** 更新素材审核状态 */
+export const updateAssetReviewStatus = async (
+  assetId: string,
+  reviewStatus: "pending_review" | "approved" | "rejected",
+): Promise<AssetItem> => {
+  const response = await apiClient.patch(`/assets/${assetId}/review`, {
+    review_status: reviewStatus,
+  })
+  return response.data
+}
+
+/** 删除素材 */
+export const deleteAsset = async (assetId: string): Promise<void> => {
+  await apiClient.delete(`/assets/${assetId}`)
+}
@@ -0,0 +1,51 @@
+/**
+ * 素材批量操作 API
+ */
+import apiClient from "../client"
+import type { BatchOperationResult } from "./types"
+
+/** 统一批量操作结果归一化，防御后端字段缺失或格式不一致 */
+export const normalizeBatchResult = (raw: Record<string, unknown>): BatchOperationResult => {
+  const succeeded = Array.isArray(raw.succeeded) ? (raw.succeeded as string[]) : []
+  const failed = Array.isArray(raw.failed) ? (raw.failed as string[]) : []
+  const success_count = typeof raw.success_count === "number" ? raw.success_count : succeeded.length
+  const failure_count = typeof raw.failure_count === "number" ? raw.failure_count : failed.length
+  const total = typeof raw.total === "number" ? raw.total : success_count + failure_count
+  return { succeeded, failed, total, success_count, failure_count }
+}
+
+/** 批量删除素材 */
+export const batchDeleteAssets = async (assetIds: string[]): Promise<BatchOperationResult> => {
+  const response = await apiClient.post("/assets/batch-delete", {
+    asset_ids: assetIds,
+  })
+  return normalizeBatchResult((response.data || {}) as Record<string, unknown>)
+}
+
+/** 批量打标签 */
+export const batchTagAssets = async (data: {
+  asset_ids: string[]
+  tags: string[]
+  mode: "add" | "replace"
+}): Promise<BatchOperationResult> => {
+  const response = await apiClient.post("/assets/batch-tag", data)
+  return normalizeBatchResult((response.data || {}) as Record<string, unknown>)
+}
+
+/** 批量改分类 */
+export const batchClassifyAssets = async (data: {
+  asset_ids: string[]
+  category: string
+}): Promise<BatchOperationResult> => {
+  const response = await apiClient.post("/assets/batch-classify", data)
+  return normalizeBatchResult((response.data || {}) as Record<string, unknown>)
+}
+
+/** 批量智能标记 */
+export const batchMarkAssets = async (data: {
+  asset_ids: string[]
+  smart_view: "recommended" | "caution" | "high_risk"
+}): Promise<BatchOperationResult> => {
+  const response = await apiClient.post("/assets/batch-mark", data)
+  return normalizeBatchResult((response.data || {}) as Record<string, unknown>)
+}
@@ -0,0 +1,13 @@
+/**
+ * 素材诊断 API
+ */
+import apiClient from "../client"
+import type { AssetDiagnosis } from "./types"
+
+/** 获取素材诊断信息（可选 asset_id 查单素材，否则全局诊断） */
+export const getAssetDiagnosis = async (assetId?: string): Promise<AssetDiagnosis> => {
+  const params: Record<string, string> = {}
+  if (assetId) params.asset_id = assetId
+  const response = await apiClient.get("/asset-diagnosis", { params })
+  return response.data
+}
@@ -0,0 +1,55 @@
+/**
+ * 素材相关 API — 按模块拆分后的统一入口
+ * 保持与原 assets.ts 相同的导出结构，向后兼容
+ */
+
+// 类型
+export type {
+  AssetMetadata,
+  AssetClassificationStatus,
+  AssetItem,
+  AssetLibraryItem,
+  IngestJob,
+  ClassificationJob,
+  AssetDiagnosis,
+  BatchOperationResult,
+  UploadResult,
+  DirectUploadPrepareResult,
+  DirectUploadCompleteResult,
+} from "./types"
+
+// 素材诊断
+export { getAssetDiagnosis } from "./diagnosis"
+
+// 素材库
+export {
+  getAssetLibraries,
+  createAssetLibrary,
+  ensureDefaultLibrary,
+  deleteAssetLibrary,
+} from "./libraries"
+
+// 素材 CRUD
+export {
+  getAssets,
+  getAssetsByKind,
+  createAsset,
+  updateAsset,
+  updateAssetReviewStatus,
+  deleteAsset,
+} from "./assets"
+
+// 上传
+export { uploadAsset, prepareDirectUpload, completeDirectUpload, uploadAssetDirect } from "./upload"
+
+// 任务
+export { getIngestJob, submitClassificationJob, getClassificationJob } from "./jobs"
+
+// 批量操作
+export {
+  normalizeBatchResult,
+  batchDeleteAssets,
+  batchTagAssets,
+  batchClassifyAssets,
+  batchMarkAssets,
+} from "./batch"
@@ -0,0 +1,25 @@
+/**
+ * 入库任务 & 分类任务 API
+ */
+import apiClient from "../client"
+import type { IngestJob, ClassificationJob } from "./types"
+
+/** 查询入库任务状态 */
+export const getIngestJob = async (jobId: string): Promise<IngestJob> => {
+  const response = await apiClient.get(`/ingest-jobs/${jobId}`)
+  return response.data
+}
+
+/** 提交素材分类任务 */
+export const submitClassificationJob = async (data: {
+  asset_id: string
+}): Promise<ClassificationJob> => {
+  const response = await apiClient.post("/classification-jobs", data)
+  return response.data
+}
+
+/** 查询分类任务状态 */
+export const getClassificationJob = async (jobId: string): Promise<ClassificationJob> => {
+  const response = await apiClient.get(`/classification-jobs/${jobId}`)
+  return response.data
+}
@@ -0,0 +1,39 @@
+/**
+ * 素材库 API
+ */
+import apiClient from "../client"
+import { getOrCreateDefaultProject } from "../projects"
+import type { AssetLibraryItem } from "./types"
+
+/** 获取当前用户的所有素材库 */
+export const getAssetLibraries = async (): Promise<AssetLibraryItem[]> => {
+  const response = await apiClient.get("/asset-libraries")
+  return response.data.items || []
+}
+
+/** 创建素材库（自动获取或创建默认项目以提供 project_id） */
+export const createAssetLibrary = async (data: {
+  name: string
+  kind: "video" | "voice" | "image"
+}): Promise<AssetLibraryItem> => {
+  const project = await getOrCreateDefaultProject()
+  const response = await apiClient.post("/asset-libraries", {
+    project_id: project.id,
+    ...data,
+  })
+  return response.data
+}
+
+/** 确保项目下指定 kind 的默认素材库存在 */
+export const ensureDefaultLibrary = async (data: {
+  project_id: string
+  kind: "video" | "voice" | "image"
+}): Promise<AssetLibraryItem> => {
+  const response = await apiClient.post("/asset-libraries/ensure-default", data)
+  return response.data
+}
+
+/** 删除素材库 */
+export const deleteAssetLibrary = async (libraryId: string): Promise<void> => {
+  await apiClient.delete(`/asset-libraries/${libraryId}`)
+}
@@ -0,0 +1,138 @@
+/**
+ * 素材相关类型定义
+ */
+
+/** 素材元数据 */
+export interface AssetMetadata {
+  /** 时长（秒） */
+  duration?: number
+  /** 宽度（像素） */
+  width?: number
+  /** 高度（像素） */
+  height?: number
+  /** 比特率（bps） */
+  bitrate?: number
+  /** 编码格式 */
+  codec?: string
+  /** 帧率 */
+  fps?: number
+  /** 采样率（Hz） */
+  sample_rate?: number
+  /** 声道数 */
+  channels?: number
+  /** 其他扩展字段 */
+  [key: string]: unknown
+}
+
+/** 素材分类状态 */
+export type AssetClassificationStatus = "pending" | "processing" | "completed" | "failed"
+
+/** 素材条目 */
+export interface AssetItem {
+  id: string
+  library_id: string
+  name: string
+  storage_key: string
+  mime_type: string
+  metadata: AssetMetadata
+  file_size?: number
+  file_url?: string
+  thumbnail_url?: string
+  /** 时长（秒），视频/音频素材由后端从 metadata 提取到顶层 */
+  duration?: number
+  status?: string
+  classification_status?: AssetClassificationStatus | null
+  quality_score?: number | null
+  tag_ids?: string[]
+  created_at?: string
+}
+
+/** 素材库 */
+export interface AssetLibraryItem {
+  id: string
+  name: string
+  kind: "video" | "voice" | "image"
+  asset_count?: number
+  total_size?: number
+  created_at?: string
+}
+
+/** 入库任务 */
+export interface IngestJob {
+  id: string
+  library_id: string
+  storage_key: string
+  status: "pending" | "processing" | "completed" | "failed"
+  error_message: string
+  result_asset_id: string
+}
+
+/** 分类任务 */
+export interface ClassificationJob {
+  id: string
+  asset_id: string
+  status: "pending" | "processing" | "completed" | "failed"
+  classification: string
+  confidence: number
+  error_message: string
+}
+
+/** 素材诊断信息 */
+export interface AssetDiagnosis {
+  readiness_score: number
+  readiness_label: string
+  total_assets: number
+  ready_assets: number
+  video_assets: number
+  image_assets: number
+  voice_assets: number
+  total_duration_seconds: number
+  estimated_video_count: number
+  used_assets: number
+  unused_assets: number
+  pending_review_assets: number
+  smart_views: Array<{
+    key: string
+    label: string
+    count: number
+    description: string
+  }>
+  gaps: Array<{
+    key: string
+    severity: "critical" | "warning" | "info"
+    message: string
+    recommendation: string
+  }>
+}
+
+/** 批量操作结果 */
+export interface BatchOperationResult {
+  succeeded: string[]
+  failed: string[]
+  total: number
+  success_count: number
+  failure_count: number
+}
+
+/** 上传返回 */
+export interface UploadResult {
+  storage_key: string
+  ingest_job_id: string
+  url: string
+}
+
+/** 预签名直传准备返回 */
+export interface DirectUploadPrepareResult {
+  upload_url: string
+  method: string
+  storage_key: string
+  expires_at: string
+  fields: Record<string, string>
+  max_size_bytes: number
+}
+
+/** 直传完成确认返回 */
+export interface DirectUploadCompleteResult {
+  storage_key: string
+  ingest_job_id: string
+}
@@ -0,0 +1,119 @@
+/**
+ * 上传相关 API（表单上传 + OSS 直传）
+ */
+import apiClient from "../client"
+import { getOrCreateDefaultProject } from "../projects"
+import type { UploadResult, DirectUploadPrepareResult, DirectUploadCompleteResult } from "./types"
+
+/** 表单上传素材（小文件） */
+export const uploadAsset = async (formData: FormData): Promise<UploadResult> => {
+  const response = await apiClient.post("/upload", formData, {
+    headers: { "Content-Type": "multipart/form-data" },
+    timeout: 30 * 60 * 1000,
+  })
+  return response.data
+}
+
+/** 预签名直传准备 */
+export const prepareDirectUpload = async (data: {
+  project_id: string
+  library_id: string
+  filename: string
+  content_type: string
+  file_size: number
+}): Promise<DirectUploadPrepareResult> => {
+  const response = await apiClient.post("/upload/direct/prepare", data)
+  return response.data
+}
+
+/** 直传完成确认 */
+export const completeDirectUpload = async (data: {
+  project_id: string
+  library_id: string
+  storage_key: string
+}): Promise<DirectUploadCompleteResult> => {
+  const response = await apiClient.post("/upload/direct/complete", data)
+  return response.data
+}
+
+/** 直传上传（大文件推荐），支持可选进度回调 */
+export const uploadAssetDirect = async (data: {
+  file: File
+  library_id: string
+  onProgress?: (percent: number) => void
+}): Promise<DirectUploadCompleteResult> => {
+  const project = await getOrCreateDefaultProject()
+
+  const prepared = await prepareDirectUpload({
+    project_id: project.id,
+    library_id: data.library_id,
+    filename: data.file.name,
+    content_type: data.file.type || "application/octet-stream",
+    file_size: data.file.size,
+  })
+
+  const directForm = new FormData()
+  Object.entries(prepared.fields).forEach(([key, value]) => directForm.append(key, value))
+  directForm.append("file", data.file)
+
+  // 使用 XMLHttpRequest 以获取上传进度 + 超时控制 + 详细错误诊断
+  await new Promise<void>((resolve, reject) => {
+    const xhr = new XMLHttpRequest()
+    xhr.open(prepared.method, prepared.upload_url)
+
+    // 超时 10 分钟
+    xhr.timeout = 10 * 60 * 1000
+
+    xhr.upload.onprogress = (e) => {
+      if (e.lengthComputable && data.onProgress) {
+        data.onProgress(Math.round((e.loaded / e.total) * 100))
+      }
+    }
+    xhr.onload = () => {
+      if (xhr.status >= 200 && xhr.status < 300) {
+        resolve()
+      } else {
+        // 解析 OSS 返回的 XML 错误信息
+        let ossError = ""
+        try {
+          const codeMatch = xhr.responseText.match(/<Code>([^<]+)<\/Code>/)
+          const msgMatch = xhr.responseText.match(/<Message>([^<]+)<\/Message>/)
+          if (codeMatch || msgMatch) {
+            ossError = ` [OSS: ${codeMatch?.[1] || "unknown"} - ${msgMatch?.[1] || "unknown"}]`
+          }
+        } catch {
+          // 无法解析响应体
+        }
+        const detail = `OSS 直传失败: HTTP ${xhr.status} ${xhr.statusText}${ossError}`
+        console.error("[OSS Upload] 直传失败:", {
+          url: prepared.upload_url,
+          storage_key: prepared.storage_key,
+          status: xhr.status,
+          statusText: xhr.statusText,
+        })
+        reject(new Error(detail))
+      }
+    }
+    xhr.onerror = () => {
+      console.error("[OSS Upload] 网络错误:", {
+        url: prepared.upload_url,
+        storage_key: prepared.storage_key,
+      })
+      reject(new Error("OSS 上传网络错误，请检查网络连接"))
+    }
+    xhr.ontimeout = () => {
+      console.error("[OSS Upload] 上传超时:", {
+        url: prepared.upload_url,
+        storage_key: prepared.storage_key,
+      })
+      reject(new Error("OSS 上传超时（10分钟），请检查网络或尝试更小的文件"))
+    }
+    xhr.send(directForm)
+  })
+
+  return completeDirectUpload({
+    project_id: project.id,
+    library_id: data.library_id,
+    storage_key: prepared.storage_key,
+  })
+}
@@ -1,68 +0,0 @@
-/**
- * BGM 预设音乐 API
- * 对接后端 BGM 混音能力：预设列表查询（按风格分类 + 关键词搜索）
- */
-import apiClient from "./client"
-
-/* ──────────── 类型 ──────────── */
-
-/** BGM 风格分类 */
-export type BgmCategory = "轻快" | "治愈" | "科技" | "电商"
-
-/** BGM 预设项 */
-export interface BgmPreset {
-  id: string
-  name: string
-  category: BgmCategory
-  /** 音频文件 URL */
-  url: string
-  /** 时长（秒） */
-  duration: number
-  /** 关键词标签 */
-  tags: string[]
-  /** 封面图 URL */
-  cover_url?: string
-}
-
-/** BGM 预设列表查询参数 */
-export interface BgmPresetsQuery {
-  category?: BgmCategory | string
-  keyword?: string
-}
-
-/** BGM 混音配置（嵌入模板） */
-export interface BgmMixConfig {
-  /** 是否启用 BGM */
-  enabled: boolean
-  /** 选中的 BGM ID */
-  music_id: string
-  /** BGM 音量 0-100 */
-  volume: number
-  /** 淡入时长（秒） 0-3 */
-  fade_in: number
-  /** 淡出时长（秒） 0-3 */
-  fade_out: number
-  /** 人声闪避（sidechain） */
-  voice_dodge: boolean
-}
-
-/** 默认 BGM 混音配置 */
-export const DEFAULT_BGM_MIX_CONFIG: BgmMixConfig = {
-  enabled: false,
-  music_id: "",
-  volume: 50,
-  fade_in: 0.5,
-  fade_out: 0.5,
-  voice_dodge: true,
-}
-
-/* ──────────── API ──────────── */
-
-/** 获取 BGM 预设列表 */
-export const getBgmPresets = async (params?: BgmPresetsQuery): Promise<BgmPreset[]> => {
-  const searchParams: Record<string, string> = {}
-  if (params?.category) searchParams.category = params.category
-  if (params?.keyword) searchParams.keyword = params.keyword
-  const res = await apiClient.get("/bgm/presets", { params: searchParams })
-  return res.data?.data ?? res.data ?? []
-}
@@ -0,0 +1,14 @@
+/**
+ * BGM 预设音乐 API 函数
+ */
+import apiClient from "../client"
+import type { BgmPreset, BgmPresetsQuery } from "./types"
+
+/** 获取 BGM 预设列表 */
+export const getBgmPresets = async (params?: BgmPresetsQuery): Promise<BgmPreset[]> => {
+  const searchParams: Record<string, string> = {}
+  if (params?.category) searchParams.category = params.category
+  if (params?.keyword) searchParams.keyword = params.keyword
+  const res = await apiClient.get("/bgm/presets", { params: searchParams })
+  return res.data?.data ?? res.data ?? []
+}
@@ -0,0 +1,14 @@
+/**
+ * BGM 相关常量
+ */
+import type { BgmMixConfig } from "./types"
+
+/** 默认 BGM 混音配置 */
+export const DEFAULT_BGM_MIX_CONFIG: BgmMixConfig = {
+  enabled: false,
+  music_id: "",
+  volume: 50,
+  fade_in: 0.5,
+  fade_out: 0.5,
+  voice_dodge: true,
+}
@@ -0,0 +1,13 @@
+/**
+ * BGM API — 目录化入口
+ * 保持与原 bgm.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type { BgmCategory, BgmPreset, BgmPresetsQuery, BgmMixConfig } from "./types"
+
+// 常量
+export { DEFAULT_BGM_MIX_CONFIG } from "./constants"
+
+// API 函数
+export { getBgmPresets } from "./bgm"
@@ -0,0 +1,43 @@
+/**
+ * BGM 相关类型定义
+ */
+
+/** BGM 风格分类 */
+export type BgmCategory = "轻快" | "治愈" | "科技" | "电商"
+
+/** BGM 预设项 */
+export interface BgmPreset {
+  id: string
+  name: string
+  category: BgmCategory
+  /** 音频文件 URL */
+  url: string
+  /** 时长（秒） */
+  duration: number
+  /** 关键词标签 */
+  tags: string[]
+  /** 封面图 URL */
+  cover_url?: string
+}
+
+/** BGM 预设列表查询参数 */
+export interface BgmPresetsQuery {
+  category?: BgmCategory | string
+  keyword?: string
+}
+
+/** BGM 混音配置（嵌入模板） */
+export interface BgmMixConfig {
+  /** 是否启用 BGM */
+  enabled: boolean
+  /** 选中的 BGM ID */
+  music_id: string
+  /** BGM 音量 0-100 */
+  volume: number
+  /** 淡入时长（秒） 0-3 */
+  fade_in: number
+  /** 淡出时长（秒） 0-3 */
+  fade_out: number
+  /** 人声闪避（sidechain） */
+  voice_dodge: boolean
+}
@@ -0,0 +1,38 @@
+/**
+ * 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
+}
@@ -0,0 +1,22 @@
+/**
+ * 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"
@@ -1,8 +1,6 @@
 /**
- * 查重 API 模块
- * 提供视频查重相关接口
+ * 查重相关类型定义
 */
-import apiClient from "./client"

 /** 查重记录状态 */
 export type DuplicationStatus = "pending" | "processing" | "completed" | "failed"
@@ -62,38 +60,3 @@ 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
-}
@@ -1,243 +0,0 @@
-/**
- * 模板编辑器 API
- * 对接后端 /api/v1/templates 路由
- */
-import apiClient from "./client"
-import type {
-  WatermarkConfig,
-  IntroOutroConfig,
-  PipConfig,
-  FilterConfig,
-  ChromaKeyConfig,
-  StickerConfig,
-  CoverConfig,
-} from "@/pages/editing-planner/types"
-
-/* ──────────── 类型定义 ──────────── */
-
-/** 模板模式（后端枚举值） */
-export type TemplateMode = "pip" | "voice_over" | "one_take" | "voice_pip"
-
-/** 模式显示名称映射 */
-export const MODE_LABELS: Record<TemplateMode, string> = {
-  pip: "混剪",
-  voice_over: "人物口播",
-  one_take: "一镜到底",
-  voice_pip: "口播+混剪",
-}
-
-/** 模式颜色映射 */
-export const MODE_COLORS: Record<TemplateMode, string> = {
-  pip: "blue",
-  voice_over: "green",
-  one_take: "orange",
-  voice_pip: "purple",
-}
-
-/** 标题配置 */
-export interface TitleConfig {
-  ai_auto_select: boolean
-  content: string
-  font_preset: string
-  font_color: string
-  font_size: number
-  position: string
-}
-
-/** 字幕配置 */
-export interface SubtitleConfig {
-  enabled: boolean
-  position: string
-  font: string
-  color: string
-  size: number
-  animation: string
-}
-
-/** BGM 配置 */
-export interface BgmConfig {
-  enabled: boolean
-  music_id: string
-}
-
-/** 模板片段 */
-export interface TemplateSegment {
-  id?: string
-  segment_order: number
-  duration_min: number
-  duration_max: number
-  material_type: string | null
-}
-
-/** 剪辑模板 */
-export interface EditingTemplate {
-  id: string
-  name: string
-  mode: TemplateMode
-  category: string
-  tags: string[]
-  title_config: TitleConfig
-  subtitle_config: SubtitleConfig
-  bgm_config: BgmConfig
-  estimated_duration: number
-  segments: TemplateSegment[]
-  /** 水印配置（后端就绪后启用） */
-  watermark_config?: WatermarkConfig
-  /** 片头片尾配置（后端就绪后启用） */
-  intro_outro_config?: IntroOutroConfig
-  /** 混剪配置 */
-  pip_config?: PipConfig
-  /** 滤镜调色配置 */
-  filter_config?: FilterConfig
-  /** 绿幕抠像配置 */
-  green_screen_config?: ChromaKeyConfig
-  /** 贴纸配置 */
-  sticker_config?: StickerConfig
-  /** 封面配置 */
-  cover_config?: CoverConfig
-  is_active?: boolean
-  created_at: string
-  updated_at: string
-}
-
-/** 模板分类 */
-export interface TemplateCategory {
-  id: string
-  name: string
-  created_at?: string
-}
-
-/** 创建/更新模板请求体 */
-export interface SaveTemplatePayload {
-  name: string
-  mode: TemplateMode
-  category: string
-  tags: string[]
-  title_config: TitleConfig
-  subtitle_config: SubtitleConfig
-  bgm_config: BgmConfig
-  estimated_duration: number
-  segments: Omit<TemplateSegment, "id">[]
-  /** 水印配置（后端就绪后启用） */
-  watermark_config?: WatermarkConfig
-  /** 片头片尾配置（后端就绪后启用） */
-  intro_outro_config?: IntroOutroConfig
-  /** 混剪配置 */
-  pip_config?: PipConfig
-  /** 滤镜调色配置 */
-  filter_config?: FilterConfig
-  /** 绿幕抠像配置 */
-  green_screen_config?: ChromaKeyConfig
-  /** 贴纸配置 */
-  sticker_config?: StickerConfig
-  /** 封面配置 */
-  cover_config?: CoverConfig
-}
-
-/** 使用模板生成请求体 */
-export interface GenerateFromTemplatePayload {
-  voiceover_duration: number
-}
-
-/** 验证警告详情 */
-export interface ValidationWarningDetails {
-  /** 相关字段名 */
-  field?: string
-  /** 期望值 */
-  expected?: string | number
-  /** 实际值 */
-  actual?: string | number
-  /** 建议值 */
-  suggested?: string | number
-}
-
-/** 验证/生成响应 */
-export interface ValidateWarning {
-  code: string
-  message: string
-  details?: ValidationWarningDetails
-}
-
-/** 使用模板生成响应 */
-export interface GenerateFromTemplateResponse {
-  template: EditingTemplate
-  warnings: ValidateWarning[]
-}
-
-/** 列表响应（带分页） */
-export interface ListTemplatesResponse {
-  items: EditingTemplate[]
-  total: number
-}
-
-/** 分类列表响应 */
-export interface ListCategoriesResponse {
-  items: TemplateCategory[]
-}
-
-// ============ API 函数 ============
-
-/** 获取模板列表 */
-export const getEditingTemplates = async (params?: {
-  category?: string
-  tag?: string
-  skip?: number
-  limit?: number
-}): Promise<EditingTemplate[]> => {
-  const response = await apiClient.get<ListTemplatesResponse>("/templates", {
-    params: {
-      skip: params?.skip ?? 0,
-      limit: params?.limit ?? 50,
-    },
-  })
-  let list = response.data.items
-  if (params?.category) list = list.filter((t) => t.category === params.category)
-  if (params?.tag) list = list.filter((t) => t.tags.includes(params.tag!))
-  return list
-}
-
-/** 获取模板详情 */
-export const getEditingTemplate = async (id: string): Promise<EditingTemplate> => {
-  const response = await apiClient.get<EditingTemplate>(`/templates/${id}`)
-  return response.data
-}
-
-/** 创建模板 */
-export const createEditingTemplate = async (
-  data: SaveTemplatePayload,
-): Promise<EditingTemplate> => {
-  const response = await apiClient.post<EditingTemplate>("/templates", data)
-  return response.data
-}
-
-/** 更新模板 */
-export const updateEditingTemplate = async (
-  id: string,
-  data: SaveTemplatePayload,
-): Promise<EditingTemplate> => {
-  const response = await apiClient.patch<EditingTemplate>(`/templates/${id}`, data)
-  return response.data
-}
-
-/** 删除模板 */
-export const deleteEditingTemplate = async (id: string): Promise<void> => {
-  await apiClient.delete(`/templates/${id}`)
-}
-
-/** 获取模板分类列表 */
-export const getTemplateCategories = async (): Promise<TemplateCategory[]> => {
-  const response = await apiClient.get<ListCategoriesResponse>("/templates/categories/list")
-  return response.data.items
-}
-
-/** 使用模板生成视频（调用 validate 端点） */
-export const generateFromTemplate = async (
-  templateId: string,
-  data: GenerateFromTemplatePayload,
-): Promise<GenerateFromTemplateResponse> => {
-  const response = await apiClient.post<GenerateFromTemplateResponse>(
-    `/templates/${templateId}/validate`,
-    data,
-  )
-  return response.data
-}
@@ -0,0 +1,20 @@
+/**
+ * 模板编辑器常量
+ */
+import type { TemplateMode } from "./types"
+
+/** 模式显示名称映射 */
+export const MODE_LABELS: Record<TemplateMode, string> = {
+  pip: "混剪",
+  voice_over: "人物口播",
+  one_take: "一镜到底",
+  voice_pip: "口播+混剪",
+}
+
+/** 模式颜色映射 */
+export const MODE_COLORS: Record<TemplateMode, string> = {
+  pip: "blue",
+  voice_over: "green",
+  one_take: "orange",
+  voice_pip: "purple",
+}
@@ -0,0 +1,36 @@
+/**
+ * 模板编辑器 API — 目录化入口
+ * 保持与原 editing-planner.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type {
+  TemplateMode,
+  TitleConfig,
+  SubtitleConfig,
+  BgmConfig,
+  TemplateSegment,
+  EditingTemplate,
+  TemplateCategory,
+  SaveTemplatePayload,
+  GenerateFromTemplatePayload,
+  ValidationWarningDetails,
+  ValidateWarning,
+  GenerateFromTemplateResponse,
+  ListTemplatesResponse,
+  ListCategoriesResponse,
+} from "./types"
+
+// 常量
+export { MODE_LABELS, MODE_COLORS } from "./constants"
+
+// API 函数
+export {
+  getEditingTemplates,
+  getEditingTemplate,
+  createEditingTemplate,
+  updateEditingTemplate,
+  deleteEditingTemplate,
+  getTemplateCategories,
+  generateFromTemplate,
+} from "./templates"
@@ -0,0 +1,78 @@
+/**
+ * 模板编辑器 API 函数
+ */
+import apiClient from "../client"
+import type {
+  EditingTemplate,
+  TemplateCategory,
+  SaveTemplatePayload,
+  GenerateFromTemplatePayload,
+  GenerateFromTemplateResponse,
+  ListTemplatesResponse,
+  ListCategoriesResponse,
+} from "./types"
+
+/** 获取模板列表 */
+export const getEditingTemplates = async (params?: {
+  category?: string
+  tag?: string
+  skip?: number
+  limit?: number
+}): Promise<EditingTemplate[]> => {
+  const response = await apiClient.get<ListTemplatesResponse>("/templates", {
+    params: {
+      skip: params?.skip ?? 0,
+      limit: params?.limit ?? 50,
+    },
+  })
+  let list = response.data.items
+  if (params?.category) list = list.filter((t) => t.category === params.category)
+  if (params?.tag) list = list.filter((t) => t.tags.includes(params.tag!))
+  return list
+}
+
+/** 获取模板详情 */
+export const getEditingTemplate = async (id: string): Promise<EditingTemplate> => {
+  const response = await apiClient.get<EditingTemplate>(`/templates/${id}`)
+  return response.data
+}
+
+/** 创建模板 */
+export const createEditingTemplate = async (
+  data: SaveTemplatePayload,
+): Promise<EditingTemplate> => {
+  const response = await apiClient.post<EditingTemplate>("/templates", data)
+  return response.data
+}
+
+/** 更新模板 */
+export const updateEditingTemplate = async (
+  id: string,
+  data: SaveTemplatePayload,
+): Promise<EditingTemplate> => {
+  const response = await apiClient.patch<EditingTemplate>(`/templates/${id}`, data)
+  return response.data
+}
+
+/** 删除模板 */
+export const deleteEditingTemplate = async (id: string): Promise<void> => {
+  await apiClient.delete(`/templates/${id}`)
+}
+
+/** 获取模板分类列表 */
+export const getTemplateCategories = async (): Promise<TemplateCategory[]> => {
+  const response = await apiClient.get<ListCategoriesResponse>("/templates/categories/list")
+  return response.data.items
+}
+
+/** 使用模板生成视频（调用 validate 端点） */
+export const generateFromTemplate = async (
+  templateId: string,
+  data: GenerateFromTemplatePayload,
+): Promise<GenerateFromTemplateResponse> => {
+  const response = await apiClient.post<GenerateFromTemplateResponse>(
+    `/templates/${templateId}/validate`,
+    data,
+  )
+  return response.data
+}
@@ -0,0 +1,138 @@
+/**
+ * 模板编辑器类型定义
+ */
+import type {
+  WatermarkConfig,
+  IntroOutroConfig,
+  PipConfig,
+  FilterConfig,
+  ChromaKeyConfig,
+  StickerConfig,
+  CoverConfig,
+} from "@/pages/editing-planner/types"
+
+/** 模板模式（后端枚举值） */
+export type TemplateMode = "pip" | "voice_over" | "one_take" | "voice_pip"
+
+/** 标题配置 */
+export interface TitleConfig {
+  ai_auto_select: boolean
+  content: string
+  font_preset: string
+  font_color: string
+  font_size: number
+  position: string
+}
+
+/** 字幕配置 */
+export interface SubtitleConfig {
+  enabled: boolean
+  position: string
+  font: string
+  color: string
+  size: number
+  animation: string
+}
+
+/** BGM 配置 */
+export interface BgmConfig {
+  enabled: boolean
+  music_id: string
+}
+
+/** 模板片段 */
+export interface TemplateSegment {
+  id?: string
+  segment_order: number
+  duration_min: number
+  duration_max: number
+  material_type: string | null
+}
+
+/** 剪辑模板 */
+export interface EditingTemplate {
+  id: string
+  name: string
+  mode: TemplateMode
+  category: string
+  tags: string[]
+  title_config: TitleConfig
+  subtitle_config: SubtitleConfig
+  bgm_config: BgmConfig
+  estimated_duration: number
+  segments: TemplateSegment[]
+  watermark_config?: WatermarkConfig
+  intro_outro_config?: IntroOutroConfig
+  pip_config?: PipConfig
+  filter_config?: FilterConfig
+  green_screen_config?: ChromaKeyConfig
+  sticker_config?: StickerConfig
+  cover_config?: CoverConfig
+  is_active?: boolean
+  created_at: string
+  updated_at: string
+}
+
+/** 模板分类 */
+export interface TemplateCategory {
+  id: string
+  name: string
+  created_at?: string
+}
+
+/** 创建/更新模板请求体 */
+export interface SaveTemplatePayload {
+  name: string
+  mode: TemplateMode
+  category: string
+  tags: string[]
+  title_config: TitleConfig
+  subtitle_config: SubtitleConfig
+  bgm_config: BgmConfig
+  estimated_duration: number
+  segments: Omit<TemplateSegment, "id">[]
+  watermark_config?: WatermarkConfig
+  intro_outro_config?: IntroOutroConfig
+  pip_config?: PipConfig
+  filter_config?: FilterConfig
+  green_screen_config?: ChromaKeyConfig
+  sticker_config?: StickerConfig
+  cover_config?: CoverConfig
+}
+
+/** 使用模板生成请求体 */
+export interface GenerateFromTemplatePayload {
+  voiceover_duration: number
+}
+
+/** 验证警告详情 */
+export interface ValidationWarningDetails {
+  field?: string
+  expected?: string | number
+  actual?: string | number
+  suggested?: string | number
+}
+
+/** 验证警告 */
+export interface ValidateWarning {
+  code: string
+  message: string
+  details?: ValidationWarningDetails
+}
+
+/** 使用模板生成响应 */
+export interface GenerateFromTemplateResponse {
+  template: EditingTemplate
+  warnings: ValidateWarning[]
+}
+
+/** 列表响应（带分页） */
+export interface ListTemplatesResponse {
+  items: EditingTemplate[]
+  total: number
+}
+
+/** 分类列表响应 */
+export interface ListCategoriesResponse {
+  items: TemplateCategory[]
+}
@@ -1,174 +0,0 @@
-/**
- * 成品 / 视频相关 API
- * 后端实际接口：/videos
- */
-import apiClient from "./client"
-
-/** 复核状态 */
-export type ReviewStatus = "pending_review" | "approved" | "rejected"
-
-/** 成品条目 */
-export interface ProductItem {
-  id: string
-  title: string
-  video_url?: string
-  thumbnail_url?: string
-  duration_seconds?: number
-  file_size?: number
-  resolution?: string
-  status: "processing" | "completed" | "failed"
-  /** 复核状态 */
-  review_status?: ReviewStatus
-  /** 所属项目 ID */
-  project_id?: string
-  /** 所属项目名称 */
-  project_name?: string
-  /** 查重率（百分比） */
-  duplicate_rate?: number
-  created_at?: string
-  updated_at?: string
-}
-
-/** 列表查询参数 */
-export interface ProductListParams {
-  page?: number
-  page_size?: number
-  project_id?: string
-  review_status?: ReviewStatus | "all"
-}
-
-/** 分页响应 */
-export interface ProductListResponse {
-  items: ProductItem[]
-  total: number
-  page: number
-  page_size: number
-}
-
-/** 批量下载任务状态 */
-export interface BatchDownloadStatus {
-  job_id: string
-  status: "processing" | "completed" | "failed"
-  /** 完成后返回的下载 URL */
-  download_url?: string
-  /** 进度百分比 */
-  progress?: number
-}
-
-/** 后端 /videos 接口返回的原始视频条目 */
-interface VideoItem {
-  id: string
-  project_id: string
-  generation_task_id: string
-  name: string
-  file_url: string
-  file_size: number
-  duration: number
-  thumbnail_url: string | null
-  width: number
-  height: number
-  fps: number
-  status: string
-  review_status: ReviewStatus
-  generation_params: Record<string, unknown>
-  download_url: string
-  generated_at: string
-}
-
-/**
- * 将后端 VideoItem 映射为 ProductItem 格式
- */
-function mapVideoToProductItem(video: VideoItem): ProductItem {
-  return {
-    id: video.id,
-    title: video.name || "未命名视频",
-    // 优先用 download_url（带签名）播放，file_url 无签名无法访问
-    video_url: video.download_url || video.file_url,
-    thumbnail_url: video.thumbnail_url || undefined,
-    duration_seconds: video.duration,
-    file_size: video.file_size,
-    resolution: video.width && video.height ? `${video.width}x${video.height}` : undefined,
-    status:
-      video.status === "completed"
-        ? "completed"
-        : video.status === "failed"
-          ? "failed"
-          : "processing",
-    review_status: video.review_status,
-    project_id: video.project_id,
-    // 后端 /videos 接口暂无 project_name 字段
-    project_name: undefined,
-    // 后端字段名为 generated_at，映射为 created_at 供前端统一使用
-    created_at: video.generated_at,
-    updated_at: video.generated_at,
-    // 后端 /videos 接口暂无 duplicate_rate 字段
-    duplicate_rate: undefined,
-  }
-}
-
-/** 获取成品列表（支持分页和筛选） */
-export const getProducts = async (params?: ProductListParams): Promise<ProductItem[]> => {
-  const response = await apiClient.get("/videos", { params })
-  const data = response.data
-  const videos: VideoItem[] = Array.isArray(data?.items)
-    ? data.items
-    : Array.isArray(data)
-      ? data
-      : []
-  return videos.map(mapVideoToProductItem)
-}
-
-/** 获取单个成品详情 */
-export const getProduct = async (productId: string): Promise<ProductItem> => {
-  const response = await apiClient.get(`/videos/${productId}`)
-  return mapVideoToProductItem(response.data as VideoItem)
-}
-
-/**
- * 删除成品
- * 注意：后端暂未实现 /videos DELETE 接口，调用会返回 405
- * 待后端实现后自动生效
- */
-export const deleteProduct = async (productId: string): Promise<void> => {
-  await apiClient.delete(`/videos/${productId}`)
-}
-
-/**
- * 获取成品下载链接
- * 直接使用列表返回的 download_url（带OSS签名）
- */
-export const getProductDownloadUrl = async (
-  productId: string,
-): Promise<{ url: string; expires_at: string }> => {
-  // 优先从列表缓存取；如果没有则调详情接口
-  const product = await getProduct(productId)
-  if (!product.video_url) throw new Error("下载链接不可用")
-  return { url: product.video_url, expires_at: "" }
-}
-
-/** 更新复核状态 — TODO: 后端暂无对应端点，暂存本地状态 */
-export const updateReviewStatus = async (
-  productId: string,
-  status: ReviewStatus,
-): Promise<ProductItem> => {
-  // 后端暂无 /videos/{id}/review 端点
-  // 暂时返回当前状态，后续可扩展
-  const product = await getProduct(productId)
-  return { ...product, review_status: status }
-}
-
-/** 发起批量下载 — TODO: 后端暂无对应端点 */
-export const batchDownload = async (videoIds: string[]): Promise<{ job_id: string }> => {
-  // 后端暂无 /videos/batch-download 端点
-  // 暂时返回模拟 job_id，后续可扩展
-  console.warn("[batchDownload] 后端暂无批量下载端点", videoIds)
-  return { job_id: `mock-${Date.now()}` }
-}
-
-/** 查询批量下载状态 — TODO: 后端暂无对应端点 */
-export const getBatchDownloadStatus = async (jobId: string): Promise<BatchDownloadStatus> => {
-  // 后端暂无 /videos/batch-download/{jobId} 端点
-  // 暂时返回模拟状态，后续可扩展
-  console.warn("[getBatchDownloadStatus] 后端暂无批量下载状态端点", jobId)
-  return { job_id: jobId, status: "processing", progress: 0 }
-}
@@ -0,0 +1,28 @@
+/**
+ * 成品 / 视频相关 API — 目录化入口
+ * 保持与原 products.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type {
+  ReviewStatus,
+  ProductItem,
+  ProductListParams,
+  ProductListResponse,
+  BatchDownloadStatus,
+  VideoItem,
+} from "./types"
+
+// 工具函数
+export { mapVideoToProductItem } from "./utils"
+
+// API 函数
+export {
+  getProducts,
+  getProduct,
+  deleteProduct,
+  getProductDownloadUrl,
+  updateReviewStatus,
+  batchDownload,
+  getBatchDownloadStatus,
+} from "./products"
@@ -0,0 +1,80 @@
+/**
+ * 成品 / 视频相关 API 函数
+ * 后端实际接口：/videos
+ */
+import apiClient from "../client"
+import type {
+  BatchDownloadStatus,
+  ProductItem,
+  ProductListParams,
+  VideoItem,
+  ReviewStatus,
+} from "./types"
+import { mapVideoToProductItem } from "./utils"
+
+/** 获取成品列表（支持分页和筛选） */
+export const getProducts = async (params?: ProductListParams): Promise<ProductItem[]> => {
+  const response = await apiClient.get("/videos", { params })
+  const data = response.data
+  const videos: VideoItem[] = Array.isArray(data?.items)
+    ? data.items
+    : Array.isArray(data)
+      ? data
+      : []
+  return videos.map(mapVideoToProductItem)
+}
+
+/** 获取单个成品详情 */
+export const getProduct = async (productId: string): Promise<ProductItem> => {
+  const response = await apiClient.get(`/videos/${productId}`)
+  return mapVideoToProductItem(response.data as VideoItem)
+}
+
+/**
+ * 删除成品
+ * 注意：后端暂未实现 /videos DELETE 接口，调用会返回 405
+ * 待后端实现后自动生效
+ */
+export const deleteProduct = async (productId: string): Promise<void> => {
+  await apiClient.delete(`/videos/${productId}`)
+}
+
+/**
+ * 获取成品下载链接
+ * 直接使用列表返回的 download_url（带OSS签名）
+ */
+export const getProductDownloadUrl = async (
+  productId: string,
+): Promise<{ url: string; expires_at: string }> => {
+  // 优先从列表缓存取；如果没有则调详情接口
+  const product = await getProduct(productId)
+  if (!product.video_url) throw new Error("下载链接不可用")
+  return { url: product.video_url, expires_at: "" }
+}
+
+/** 更新复核状态 — TODO: 后端暂无对应端点，暂存本地状态 */
+export const updateReviewStatus = async (
+  productId: string,
+  status: ReviewStatus,
+): Promise<ProductItem> => {
+  // 后端暂无 /videos/{id}/review 端点
+  // 暂时返回当前状态，后续可扩展
+  const product = await getProduct(productId)
+  return { ...product, review_status: status }
+}
+
+/** 发起批量下载 — TODO: 后端暂无对应端点 */
+export const batchDownload = async (videoIds: string[]): Promise<{ job_id: string }> => {
+  // 后端暂无 /videos/batch-download 端点
+  // 暂时返回模拟 job_id，后续可扩展
+  console.warn("[batchDownload] 后端暂无批量下载端点", videoIds)
+  return { job_id: `mock-${Date.now()}` }
+}
+
+/** 查询批量下载状态 — TODO: 后端暂无对应端点 */
+export const getBatchDownloadStatus = async (jobId: string): Promise<BatchDownloadStatus> => {
+  // 后端暂无 /videos/batch-download/{jobId} 端点
+  // 暂时返回模拟状态，后续可扩展
+  console.warn("[getBatchDownloadStatus] 后端暂无批量下载状态端点", jobId)
+  return { job_id: jobId, status: "processing", progress: 0 }
+}
@@ -0,0 +1,74 @@
+/**
+ * 成品 / 视频相关类型定义
+ */
+
+/** 复核状态 */
+export type ReviewStatus = "pending_review" | "approved" | "rejected"
+
+/** 成品条目 */
+export interface ProductItem {
+  id: string
+  title: string
+  video_url?: string
+  thumbnail_url?: string
+  duration_seconds?: number
+  file_size?: number
+  resolution?: string
+  status: "processing" | "completed" | "failed"
+  /** 复核状态 */
+  review_status?: ReviewStatus
+  /** 所属项目 ID */
+  project_id?: string
+  /** 所属项目名称 */
+  project_name?: string
+  /** 查重率（百分比） */
+  duplicate_rate?: number
+  created_at?: string
+  updated_at?: string
+}
+
+/** 列表查询参数 */
+export interface ProductListParams {
+  page?: number
+  page_size?: number
+  project_id?: string
+  review_status?: ReviewStatus | "all"
+}
+
+/** 分页响应 */
+export interface ProductListResponse {
+  items: ProductItem[]
+  total: number
+  page: number
+  page_size: number
+}
+
+/** 批量下载任务状态 */
+export interface BatchDownloadStatus {
+  job_id: string
+  status: "processing" | "completed" | "failed"
+  /** 完成后返回的下载 URL */
+  download_url?: string
+  /** 进度百分比 */
+  progress?: number
+}
+
+/** 后端 /videos 接口返回的原始视频条目 */
+export interface VideoItem {
+  id: string
+  project_id: string
+  generation_task_id: string
+  name: string
+  file_url: string
+  file_size: number
+  duration: number
+  thumbnail_url: string | null
+  width: number
+  height: number
+  fps: number
+  status: string
+  review_status: ReviewStatus
+  generation_params: Record<string, unknown>
+  download_url: string
+  generated_at: string
+}
@@ -0,0 +1,35 @@
+/**
+ * 成品数据转换工具函数
+ */
+import type { ProductItem, VideoItem } from "./types"
+
+/**
+ * 将后端 VideoItem 映射为 ProductItem 格式
+ */
+export function mapVideoToProductItem(video: VideoItem): ProductItem {
+  return {
+    id: video.id,
+    title: video.name || "未命名视频",
+    // 优先用 download_url（带签名）播放，file_url 无签名无法访问
+    video_url: video.download_url || video.file_url,
+    thumbnail_url: video.thumbnail_url || undefined,
+    duration_seconds: video.duration,
+    file_size: video.file_size,
+    resolution: video.width && video.height ? `${video.width}x${video.height}` : undefined,
+    status:
+      video.status === "completed"
+        ? "completed"
+        : video.status === "failed"
+          ? "failed"
+          : "processing",
+    review_status: video.review_status,
+    project_id: video.project_id,
+    // 后端 /videos 接口暂无 project_name 字段
+    project_name: undefined,
+    // 后端字段名为 generated_at，映射为 created_at 供前端统一使用
+    created_at: video.generated_at,
+    updated_at: video.generated_at,
+    // 后端 /videos 接口暂无 duplicate_rate 字段
+    duplicate_rate: undefined,
+  }
+}
@@ -0,0 +1,13 @@
+/**
+ * 项目 API — 目录化入口
+ * 保持与原 projects.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type { ProjectItem, BackendProjectResponse, BackendListProjectsResponse } from "./types"
+
+// 工具函数
+export { toProjectItem } from "./utils"
+
+// API 函数
+export { getProjects, createProject, getOrCreateDefaultProject } from "./projects"
@@ -1,32 +1,10 @@
 /**
- * 项目相关 API
+ * 项目相关 API 函数
 * 素材库需要 project_id，前端自动管理默认项目
 */
-import apiClient from "./client"
-
-export interface ProjectItem {
-  id: string
-  name: string
-  description: string
-}
-
-/** 后端 ProjectResponse 只返回 id, name, description */
-interface BackendProjectResponse {
-  id: string
-  name: string
-  description: string
-}
-
-/** 后端 ListProjectsResponse 返回 { items: [...] } */
-interface BackendListProjectsResponse {
-  items: BackendProjectResponse[]
-}
-
-const toProjectItem = (item: BackendProjectResponse): ProjectItem => ({
-  id: item.id,
-  name: item.name,
-  description: item.description,
-})
+import apiClient from "../client"
+import type { BackendListProjectsResponse, BackendProjectResponse, ProjectItem } from "./types"
+import { toProjectItem } from "./utils"

 /** 获取当前用户的项目列表 */
 export const getProjects = async (): Promise<ProjectItem[]> => {
@@ -0,0 +1,21 @@
+/**
+ * 项目相关类型定义
+ */
+
+export interface ProjectItem {
+  id: string
+  name: string
+  description: string
+}
+
+/** 后端 ProjectResponse 只返回 id, name, description */
+export interface BackendProjectResponse {
+  id: string
+  name: string
+  description: string
+}
+
+/** 后端 ListProjectsResponse 返回 { items: [...] } */
+export interface BackendListProjectsResponse {
+  items: BackendProjectResponse[]
+}
@@ -0,0 +1,10 @@
+/**
+ * 项目相关工具函数
+ */
+import type { BackendProjectResponse, ProjectItem } from "./types"
+
+export const toProjectItem = (item: BackendProjectResponse): ProjectItem => ({
+  id: item.id,
+  name: item.name,
+  description: item.description,
+})
@@ -0,0 +1,26 @@
+/**
+ * 订阅 API — 目录化入口
+ * 保持与原 subscription.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type {
+  PlanType,
+  SubscriptionStatus,
+  BillingStatus,
+  BillingCycle,
+  Plan,
+  SubscriptionInfo,
+  BillingRecord,
+  ChangePlanRequest,
+  ChangePlanResponse,
+} from "./types"
+
+// API 函数
+export {
+  getCurrentSubscription,
+  getBillingRecords,
+  changePlan,
+  cancelSubscription,
+  toggleAutoRenew,
+} from "./subscription"
@@ -0,0 +1,47 @@
+/**
+ * 订阅相关 API 函数
+ */
+import apiClient from "../client"
+import type {
+  BillingRecord,
+  ChangePlanRequest,
+  ChangePlanResponse,
+  SubscriptionInfo,
+} from "./types"
+
+/** 获取当前订阅信息 */
+export const getCurrentSubscription = async (): Promise<SubscriptionInfo> => {
+  const response = await apiClient.get("/subscription/current")
+  return response.data
+}
+
+/** 获取账单记录列表 */
+export const getBillingRecords = async (): Promise<BillingRecord[]> => {
+  const response = await apiClient.get("/subscription/billing-records")
+  return response.data
+}
+
+/** 升级/降级套餐 */
+export const changePlan = async (request: ChangePlanRequest): Promise<ChangePlanResponse> => {
+  const response = await apiClient.post("/subscription/change-plan", request)
+  return response.data
+}
+
+/** 取消订阅 */
+export const cancelSubscription = async (): Promise<{
+  success: boolean
+  message: string
+}> => {
+  const response = await apiClient.post("/subscription/cancel")
+  return response.data
+}
+
+/** 切换自动续费 */
+export const toggleAutoRenew = async (
+  enabled: boolean,
+): Promise<{ success: boolean; message: string }> => {
+  const response = await apiClient.post("/subscription/toggle-auto-renew", {
+    enabled,
+  })
+  return response.data
+}
@@ -1,8 +1,6 @@
 /**
- * 订阅 API 模块
- * 对接后端订阅管理接口
+ * 订阅相关类型定义
 */
-import apiClient from "./client"

 /** 套餐类型 */
 export type PlanType = "free" | "standard" | "pro" | "enterprise"
@@ -65,42 +63,3 @@ export interface ChangePlanResponse {
  message: string
  new_subscription?: SubscriptionInfo
 }
-
-// ============ API 函数 ============
-
-/** 获取当前订阅信息 */
-export const getCurrentSubscription = async (): Promise<SubscriptionInfo> => {
-  const response = await apiClient.get("/subscription/current")
-  return response.data
-}
-
-/** 获取账单记录列表 */
-export const getBillingRecords = async (): Promise<BillingRecord[]> => {
-  const response = await apiClient.get("/subscription/billing-records")
-  return response.data
-}
-
-/** 升级/降级套餐 */
-export const changePlan = async (request: ChangePlanRequest): Promise<ChangePlanResponse> => {
-  const response = await apiClient.post("/subscription/change-plan", request)
-  return response.data
-}
-
-/** 取消订阅 */
-export const cancelSubscription = async (): Promise<{
-  success: boolean
-  message: string
-}> => {
-  const response = await apiClient.post("/subscription/cancel")
-  return response.data
-}
-
-/** 切换自动续费 */
-export const toggleAutoRenew = async (
-  enabled: boolean,
-): Promise<{ success: boolean; message: string }> => {
-  const response = await apiClient.post("/subscription/toggle-auto-renew", {
-    enabled,
-  })
-  return response.data
-}
@@ -0,0 +1,10 @@
+/**
+ * 标签 API — 目录化入口
+ * 保持与原 tags.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type { TagItem } from "./types"
+
+// API 函数
+export { getTags, createTag, deleteTag, tagAsset, untagAsset } from "./tags"
@@ -1,15 +1,9 @@
 /**
- * 标签 CRUD API
+ * 标签 CRUD API 函数
 * P3 标签体系：对接后端标签表
 */
-import apiClient from "./client"
-
-export interface TagItem {
-  id: string
-  name: string
-  created_at?: string
-  usage_count?: number
-}
+import apiClient from "../client"
+import type { TagItem } from "./types"

 /** 获取当前用户所有标签 */
 export const getTags = async (): Promise<TagItem[]> => {
@@ -0,0 +1,10 @@
+/**
+ * 标签相关类型定义
+ */
+
+export interface TagItem {
+  id: string
+  name: string
+  created_at?: string
+  usage_count?: number
+}
@@ -0,0 +1,19 @@
+/**
+ * 任务相关 API — 目录化入口
+ * 保持与原 tasks.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type {
+  TaskStatus,
+  TaskType,
+  TaskErrorInfo,
+  TaskItem,
+  TaskListParams,
+  TaskListResponse,
+  CreateGenerationTaskRequest,
+  CreateGenerationTaskResponse,
+} from "./types"
+
+// API 函数
+export { createGenerationTask, getTasks, getUserTasks, getTask, retryTask } from "./tasks"
@@ -0,0 +1,46 @@
+/**
+ * 任务相关 API 函数
+ * 对接后端任务中心 API
+ */
+import apiClient from "../client"
+import type {
+  CreateGenerationTaskRequest,
+  CreateGenerationTaskResponse,
+  TaskItem,
+  TaskListParams,
+  TaskListResponse,
+} from "./types"
+
+/** 创建生成任务（智能剪辑） */
+export const createGenerationTask = async (
+  params: CreateGenerationTaskRequest,
+): Promise<CreateGenerationTaskResponse> => {
+  const { data } = await apiClient.post<CreateGenerationTaskResponse>("/generation/tasks", params)
+  return data
+}
+
+/** 获取任务列表（支持分页和筛选） */
+export const getTasks = async (params?: TaskListParams): Promise<TaskListResponse> => {
+  const { data } = await apiClient.get<TaskListResponse>("/tasks", {
+    params,
+  })
+  return data
+}
+
+/** 获取当前用户的所有任务（兼容旧接口，跨 project） */
+export const getUserTasks = async (): Promise<TaskItem[]> => {
+  const { data } = await apiClient.get("/tasks")
+  return data.items || data || []
+}
+
+/** 获取单个任务详情（含 error_info） */
+export const getTask = async (taskId: string): Promise<TaskItem> => {
+  const { data } = await apiClient.get(`/tasks/${taskId}`)
+  return data
+}
+
+/** 重试失败的任务 */
+export const retryTask = async (taskId: string): Promise<TaskItem> => {
+  const { data } = await apiClient.post(`/tasks/${taskId}/retry`)
+  return data
+}
@@ -1,14 +1,6 @@
 /**
- * 任务相关 API
- * 对接后端任务中心 API：
- * - POST /api/v1/generation/tasks — 创建生成任务
- * - GET  /api/v1/tasks              — 用户级任务列表（支持分页/筛选）
- * - GET  /api/v1/tasks/{task_id}    — 任务详情（含 error_info）
- * - POST /api/v1/tasks/{task_id}/retry — 重试失败任务
+ * 任务相关类型定义
 */
-import apiClient from "./client"
-
-/* ──────────── 类型定义 ──────────── */

 /** 任务状态 */
 export type TaskStatus = "pending" | "waiting" | "running" | "completed" | "failed" | "cancelled"
@@ -85,39 +77,3 @@ export interface CreateGenerationTaskResponse {
  result_count: number
  error_message: string
 }
-
-/* ──────────── API 函数 ──────────── */
-
-/** 创建生成任务（智能剪辑） */
-export const createGenerationTask = async (
-  params: CreateGenerationTaskRequest,
-): Promise<CreateGenerationTaskResponse> => {
-  const { data } = await apiClient.post<CreateGenerationTaskResponse>("/generation/tasks", params)
-  return data
-}
-
-/** 获取任务列表（支持分页和筛选） */
-export const getTasks = async (params?: TaskListParams): Promise<TaskListResponse> => {
-  const { data } = await apiClient.get<TaskListResponse>("/tasks", {
-    params,
-  })
-  return data
-}
-
-/** 获取当前用户的所有任务（兼容旧接口，跨 project） */
-export const getUserTasks = async (): Promise<TaskItem[]> => {
-  const { data } = await apiClient.get("/tasks")
-  return data.items || data || []
-}
-
-/** 获取单个任务详情（含 error_info） */
-export const getTask = async (taskId: string): Promise<TaskItem> => {
-  const { data } = await apiClient.get(`/tasks/${taskId}`)
-  return data
-}
-
-/** 重试失败的任务 */
-export const retryTask = async (taskId: string): Promise<TaskItem> => {
-  const { data } = await apiClient.post(`/tasks/${taskId}/retry`)
-  return data
-}
@@ -1,744 +0,0 @@
-/**
- * 模板草稿 API — 对接后端 Template Editor Schema
- * 字段名严格匹配后端 API 响应
- */
-import apiClient from "./client"
-import type { AssetItem } from "./assets"
-import type {
-  WatermarkConfig,
-  IntroOutroConfig,
-  PipConfig,
-  FilterConfig,
-  ChromaKeyConfig,
-  StickerConfig,
-  CoverConfig,
-} from "@/pages/editing-planner/types"
-
-/* ============================================================
- * 后端 API 类型（严格匹配后端 Schema）
- * ============================================================ */
-
-/** 模板草稿状态枚举 */
-export type EditPlanStatus =
-  "draft" | "editing" | "rendering" | "completed" | "failed" | "cancelled"
-
-/** 标题配置（对齐后端 title_config） */
-export interface TitleConfig {
-  ai_auto_select: boolean
-  content: string
-  font_preset: string
-  font_color: string
-  font_size: number
-  position: string
-}
-
-/** 字幕配置 */
-export interface SubtitleConfig {
-  enabled: boolean
-  position: string
-  font: string
-  color: string
-  size: number
-  animation: string
-}
-
-/** BGM 配置 */
-export interface BgmConfig {
-  enabled: boolean
-  music_id: string
-}
-
-/** 片段 TTS 配置 */
-export interface SegmentTtsConfig {
-  mode: string
-  text: string
-  voice_id: string
-  speed: number
-  pitch: number
-  volume: number
-  subtitle_sync: boolean
-}
-
-/** 片段裁剪配置 */
-export interface SegmentTrimConfig {
-  start_time: number
-  end_time: number
-}
-
-/** 片段转场配置 */
-export interface SegmentTransitionConfig {
-  type: string
-  duration: number
-}
-
-/** 模板草稿中的单个片段（config 内部 segments 项） */
-export interface EditPlanSegment {
-  segment_order: number
-  duration_min: number
-  duration_max: number
-  material_type: string
-  transition?: SegmentTransitionConfig
-  playback_speed?: number
-  tts_config?: SegmentTtsConfig
-  trim_config?: SegmentTrimConfig
-}
-
-/** 模板草稿 config 完整类型（对齐后端 config JSON 结构） */
-export interface EditPlanConfig {
-  title_config?: TitleConfig
-  subtitle_config?: SubtitleConfig
-  bgm_config?: BgmConfig
-  estimated_duration?: number
-  segments?: EditPlanSegment[]
-  watermark_config?: WatermarkConfig
-  intro_outro_config?: IntroOutroConfig
-  pip_config?: PipConfig
-  filter_config?: FilterConfig
-  green_screen_config?: ChromaKeyConfig
-  sticker_config?: StickerConfig
-  cover_config?: CoverConfig
-  /** 前端扩展：关联的素材 ID 列表 */
-  asset_ids?: string[]
-  /** 配音 ID */
-  voice_id?: string
-  /** 克隆音色档案 ID */
-  voice_clone_profile_id?: string
-  /** 自定义配音音频 URL */
-  custom_audio_url?: string
-  /** 自定义配音文本 */
-  custom_text?: string
-  /** 视频比例 */
-  ratio?: string
-  /** 视频风格 */
-  style?: string
-  /** 目标时长（秒） */
-  duration?: number
-  /** 是否自动生成字幕 */
-  auto_subtitles?: boolean
-  /** 是否启用 BGM */
-  bgm?: boolean
-  /** 生成数量 */
-  generate_count?: number
-  /** 素材模式 */
-  material_mode?: string
-}
-
-/** 模板草稿（后端响应） */
-export interface EditPlan {
-  id: string
-  template_id: string
-  name: string
-  status: EditPlanStatus
-  total_duration: number
-  /** 生成视频数量（后端 EditPlanResponse.result_count） */
-  result_count: number
-  config: EditPlanConfig
-  created_at: string
-  updated_at: string
-}
-
-/** 创建模板草稿请求（后端要求 template_id + name 必填） */
-export interface CreateEditPlanRequest {
-  template_id: string
-  name: string
-  config?: EditPlanConfig
-  total_duration?: number
-  /** 来源模板草稿 ID（从模板编辑器跳转到智能剪辑时关联） */
-  source_edit_plan_id?: string
-}
-
-/** 更新模板草稿请求 */
-export interface UpdateEditPlanRequest {
-  name?: string
-  config?: EditPlanConfig
-  total_duration?: number
-  status?: EditPlanStatus
-}
-
-/** 生成响应 */
-export interface GenerateResponse {
-  plan_id: string
-  plan_status: EditPlanStatus
-  generation_task_id: string
-  clip_count: number
-}
-
-/** 模板草稿关联的生成记录（实际是 GenerationTask 对象） */
-export interface EditPlanGeneration {
-  id: string // 即 generation_task_id
-  source_edit_plan_id: string
-  template_id: string
-  asset_ids: string[]
-  status: EditPlanStatus
-  progress: number
-  result_count: number
-  error_message: string
-  error_info: Record<string, unknown>
-  logs: Array<Record<string, unknown>>
-  retry_count: number
-  created_at?: string
-  updated_at?: string
-}
-
-/** 片段生成状态 */
-export interface ClipStatusItem {
-  clip_id: string
-  clip_type: string
-  order: number
-  status: string
-  asset_id?: string
-  text_content?: string
-  duration?: number
-  error_message?: string
-}
-
-/** 生成状态轮询响应 */
-export interface GenerationStatusResponse {
-  plan_id: string
-  plan_status: EditPlanStatus
-  generation_task_id?: string
-  error_message?: string
-  clips: ClipStatusItem[]
-  error?: string
-  message?: string
-}
-
-/** 生成视频详情（对应后端 GeneratedVideoResponse） */
-export interface GeneratedVideo {
-  id: string
-  project_id?: string
-  generation_task_id?: string
-  name: string
-  file_url: string
-  file_size?: number
-  duration?: number
-  thumbnail_url?: string
-  width?: number
-  height?: number
-  fps?: number
-  status: string
-  review_status?: string
-  download_url?: string
-  created_at?: string
-  updated_at?: string
-}
-
-/* ============================================================
- * AI 推荐 & 封面生成（任务 3.09）
- * ============================================================ */
-
-/** AI 推荐请求 */
-export interface AIRecommendRequest {
-  asset_ids: string[]
-  editing_mode?: string
-  target_duration?: number
-}
-
-/** AI 推荐单个片段 */
-export interface AIRecommendClipItem {
-  clip_type: string
-  order: number
-  text_content: string
-  duration: number
-  transition_effect: string
-  asset_id: string
-  start_time: number
-  config: EditPlanConfig
-}
-
-/** AI 推荐响应 */
-export interface AIRecommendResponse {
-  plan_id: string
-  clips: AIRecommendClipItem[]
-  config: EditPlanConfig
-  total_duration: number
-  confidence: number
-}
-
-/** AI 封面生成请求 */
-export interface GenerateCoverRequest {
-  asset_ids: string[]
-  cover_type?: "ai_frame" | "manual" | "upload" | "ai_regenerate"
-  frame_time?: number
-}
-
-/** AI 封面生成响应 */
-export interface GenerateCoverResponse {
-  plan_id: string
-  cover: CoverResult
-}
-
-/** 封面生成结果 */
-export interface CoverResult {
-  scheme?: string
-  asset_id?: string
-  frame_time?: number
-  thumbnail_url?: string
-}
-
-/* ============================================================
- * 前端 UI 类型（EditingPlanner 组件依赖，保留兼容）
- * ============================================================ */
-
-/** 转场效果（14 种预设） */
-export interface TransitionEffect {
-  type:
-    | "none"
-    | "cut"
-    | "fade"
-    | "dissolve"
-    | "zoom"
-    | "slide_left"
-    | "slide_right"
-    | "slide_up"
-    | "slide_down"
-    | "wipe_left"
-    | "wipe_right"
-    | "wipe_up"
-    | "wipe_down"
-    | "circlecrop"
-    | "rectcrop"
-  duration: number // 转场时长（秒）
-  /** 播放速度倍率 */
-  playback_speed?: number
-}
-
-/** 素材库资产（UI 层类型，映射自后端 AssetResponse） */
-export interface MediaAsset {
-  id: string
-  name: string
-  type: "video" | "image" | "audio"
-  /** 缩略图 URL */
-  thumbnail_url?: string
-  /** 时长（秒），仅 video/audio */
-  duration?: number
-  /** 文件大小（字节） */
-  size?: number
-  /** 标签 */
-  tags: string[]
-  created_at: string
-  /** 质量分 0-100 */
-  quality_score?: number
-  /** 分类状态 */
-  classification_status?: "pending" | "processing" | "completed" | "failed"
-}
-
-/* ============================================================
- * API 函数 — 严格对接后端
- * ============================================================ */
-
-/** 模板草稿列表查询参数 */
-export interface EditPlanListParams {
-  page?: number
-  page_size?: number
-  template_id?: string
-  status?: string
-}
-
-/** 模板草稿列表分页响应 */
-export interface EditPlanListResponse {
-  items: EditPlan[]
-  total: number
-  page: number
-  page_size: number
-}
-
-/** 获取模板草稿列表（支持分页和筛选） */
-export async function getEditPlans(params?: EditPlanListParams): Promise<EditPlanListResponse> {
-  const response = await apiClient.get<EditPlanListResponse>("/templates/drafts", {
-    params,
-  })
-  return response.data
-}
-
-/** 获取单个模板草稿 */
-export async function getEditPlan(templateId: string): Promise<EditPlan> {
-  const response = await apiClient.get(`/templates/${templateId}/editor`)
-  return response.data
-}
-
-/** 创建模板草稿 */
-export async function createEditPlan(data: CreateEditPlanRequest): Promise<EditPlan> {
-  const response = await apiClient.post("/templates/drafts", data)
-  return response.data
-}
-
-/** 更新模板草稿 */
-export async function updateEditPlan(
-  templateId: string,
-  data: UpdateEditPlanRequest,
-): Promise<EditPlan> {
-  const response = await apiClient.put(`/templates/${templateId}/editor`, data)
-  return response.data
-}
-
-/** 删除模板草稿 */
-export async function deleteEditPlan(templateId: string): Promise<void> {
-  await apiClient.delete(`/templates/${templateId}/editor`)
-}
-
-/** 触发生成 */
-export async function generateEditPlan(templateId: string): Promise<GenerateResponse> {
-  const response = await apiClient.post(`/templates/${templateId}/editor/generate`)
-  return response.data
-}
-
-/** 获取生成状态（轮询用） */
-export async function getGenerationStatus(templateId: string): Promise<GenerationStatusResponse> {
-  const response = await apiClient.get(`/templates/${templateId}/editor/generation-status`)
-  return response.data
-}
-
-/** AI 推荐片段方案 */
-export async function aiRecommendClips(
-  templateId: string,
-  data: AIRecommendRequest,
-): Promise<AIRecommendResponse> {
-  const response = await apiClient.post(`/templates/${templateId}/editor/ai-recommend`, data)
-  return response.data
-}
-
-/** AI 生成封面 */
-export async function generateCover(
-  templateId: string,
-  data: GenerateCoverRequest,
-): Promise<GenerateCoverResponse> {
-  const response = await apiClient.post(`/templates/${templateId}/editor/generate-cover`, data)
-  return response.data
-}
-
-/** 获取模板草稿关联的生成记录 */
-export async function getEditPlanGenerations(templateId: string): Promise<EditPlanGeneration[]> {
-  const response = await apiClient.get(`/templates/${templateId}/editor/generations`)
-  return response.data.items || []
-}
-
-/** 获取生成任务的视频结果列表 */
-export async function getGenerationTaskResults(taskId: string): Promise<GeneratedVideo[]> {
-  const response = await apiClient.get(`/generation/tasks/${taskId}/results`)
-  return response.data.items || response.data || []
-}
-
-/** 取消生成任务 */
-export async function cancelGeneration(templateId: string): Promise<void> {
-  await apiClient.post(`/templates/${templateId}/editor/cancel`)
-}
-
-/* ============================================================
- * 片段 CRUD（后端 EditPlanClip 独立表）
- * ============================================================ */
-
-/** 片段状态 */
-export type EditPlanClipStatus = "pending" | "processing" | "ready" | "failed"
-
-/** 剪辑片段（后端响应） */
-export interface EditPlanClip {
-  id: string
-  plan_id: string
-  clip_type: string // main / intro / outro / overlay / background / b_roll 等
-  order: number
-  asset_id: string
-  text_content: string
-  start_time: number
-  duration: number
-  transition_effect: string
-  transition_duration: number
-  playback_speed: number
-  status: EditPlanClipStatus
-  config: Record<string, unknown>
-  created_at?: string
-  updated_at?: string
-}
-
-/** 创建片段请求 */
-export interface CreateEditPlanClipRequest {
-  clip_type: string
-  order: number
-  asset_id?: string
-  text_content?: string
-  start_time?: number
-  duration?: number
-  transition_effect?: string
-  transition_duration?: number
-  playback_speed?: number
-  config?: Record<string, unknown>
-}
-
-/** 更新片段请求 */
-export interface UpdateEditPlanClipRequest {
-  clip_type?: string
-  order?: number
-  asset_id?: string
-  text_content?: string
-  start_time?: number
-  duration?: number
-  transition_effect?: string
-  transition_duration?: number
-  playback_speed?: number
-  config?: Record<string, unknown>
-}
-
-/** 片段列表响应 */
-export interface EditPlanClipListResponse {
-  items: EditPlanClip[]
-  total: number
-}
-
-/** 片段列表查询参数 */
-export interface EditPlanClipListParams {
-  status?: string
-  skip?: number
-  limit?: number
-}
-
-/** 获取片段列表 */
-export async function getEditPlanClips(
-  templateId: string,
-  params?: EditPlanClipListParams,
-): Promise<EditPlanClipListResponse> {
-  const response = await apiClient.get<EditPlanClipListResponse>(
-    `/templates/${templateId}/editor/clips`,
-    {
-      params,
-    },
-  )
-  return response.data
-}
-
-/** 获取单个片段详情 */
-export async function getEditPlanClip(templateId: string, clipId: string): Promise<EditPlanClip> {
-  const response = await apiClient.get<EditPlanClip>(
-    `/templates/${templateId}/editor/clips/${clipId}`,
-  )
-  return response.data
-}
-
-/** 创建片段 */
-export async function createEditPlanClip(
-  templateId: string,
-  data: CreateEditPlanClipRequest,
-): Promise<EditPlanClip> {
-  const response = await apiClient.post<EditPlanClip>(`/templates/${templateId}/editor/clips`, data)
-  return response.data
-}
-
-/** 更新片段 */
-export async function updateEditPlanClip(
-  templateId: string,
-  clipId: string,
-  data: UpdateEditPlanClipRequest,
-): Promise<EditPlanClip> {
-  const response = await apiClient.put<EditPlanClip>(
-    `/templates/${templateId}/editor/clips/${clipId}`,
-    data,
-  )
-  return response.data
-}
-
-/** 删除片段 */
-export async function deleteEditPlanClip(templateId: string, clipId: string): Promise<void> {
-  await apiClient.delete(`/templates/${templateId}/editor/clips/${clipId}`)
-}
-
-/* ============================================================
- * 片段批量操作
- * ============================================================ */
-
-/** 重排序条目 */
-export interface ClipReorderItem {
-  clip_id: string
-  new_order: number
-}
-
-/** 重排序响应 */
-export interface ClipReorderResponse {
-  success: boolean
-  updated_count: number
-  message: string
-}
-
-/** 批量删除响应 */
-export interface ClipBatchDeleteResponse {
-  success: boolean
-  deleted_count: number
-  message: string
-}
-
-/** 从素材批量创建响应 */
-export interface ClipsFromAssetsResponse {
-  success: boolean
-  created_count: number
-  message: string
-  clip_ids: string[]
-}
-
-/** 片段重排序（拖拽排序后一次性提交） */
-export async function reorderEditPlanClips(
-  templateId: string,
-  items: ClipReorderItem[],
-): Promise<ClipReorderResponse> {
-  const response = await apiClient.post<ClipReorderResponse>(
-    `/templates/${templateId}/editor/clips/reorder`,
-    { items },
-  )
-  return response.data
-}
-
-/** 批量删除片段 */
-export async function batchDeleteEditPlanClips(
-  templateId: string,
-  clipIds: string[],
-): Promise<ClipBatchDeleteResponse> {
-  const response = await apiClient.post<ClipBatchDeleteResponse>(
-    `/templates/${templateId}/editor/clips/batch-delete`,
-    { clip_ids: clipIds },
-  )
-  return response.data
-}
-
-/** 从素材批量创建片段（追加到时间线末尾） */
-export async function createClipsFromAssets(
-  templateId: string,
-  assetIds: string[],
-  clipType = "main",
-): Promise<ClipsFromAssetsResponse> {
-  const response = await apiClient.post<ClipsFromAssetsResponse>(
-    `/templates/${templateId}/editor/clips/from-assets`,
-    { asset_ids: assetIds, clip_type: clipType },
-  )
-  return response.data
-}
-
-/* ============================================================
- * 复制计划
- * ============================================================ */
-
-/** 复制计划请求 */
-export interface CopyEditPlanRequest {
-  name?: string
-  project_id?: string
-}
-
-/** 复制模板草稿（含所有片段配置） */
-export async function copyEditPlan(
-  templateId: string,
-  data?: CopyEditPlanRequest,
-): Promise<EditPlan> {
-  const response = await apiClient.post<EditPlan>(
-    `/templates/${templateId}/editor/copy`,
-    data || {},
-  )
-  return response.data
-}
-
-/**
- * 获取素材库列表 — 调用 GET /api/v1/assets?library_id=xxx
- * 将后端 AssetResponse 映射为前端 MediaAsset 类型
- */
-export async function getMediaAssets(libraryId?: string): Promise<MediaAsset[]> {
-  const response = await apiClient.get("/assets", {
-    params: libraryId ? { library_id: libraryId } : undefined,
-  })
-  const items: AssetItem[] = response.data.items || []
-  return items.map(mapAssetToMediaAsset)
-}
-
-/** 获取单个素材 */
-export async function getMediaAsset(id: string): Promise<MediaAsset> {
-  const response = await apiClient.get(`/assets/${id}`)
-  return mapAssetToMediaAsset(response.data)
-}
-
-/* ============================================================
- * 映射函数：AssetResponse → MediaAsset
- * ============================================================ */
-
-function inferMediaType(mimeType: string): "video" | "image" | "audio" {
-  if (mimeType.startsWith("video/")) return "video"
-  if (mimeType.startsWith("image/")) return "image"
-  return "audio"
-}
-
-function mapAssetToMediaAsset(asset: AssetItem): MediaAsset {
-  // 优先取顶层 duration，其次从 metadata 回退
-  const metaDuration =
-    typeof asset.metadata?.duration === "number" ? asset.metadata.duration : undefined
-  return {
-    id: asset.id,
-    name: asset.name,
-    type: inferMediaType(asset.mime_type || ""),
-    thumbnail_url: asset.thumbnail_url,
-    duration: asset.duration ?? metaDuration,
-    size: asset.file_size ?? undefined,
-    tags: [],
-    created_at: asset.created_at ?? "",
-    quality_score: asset.quality_score ?? undefined,
-    classification_status: asset.classification_status ?? undefined,
-  }
-}
-
-/* ============================================================
- * 常量
- * ============================================================ */
-
-/** 转场效果选项（14 种预设） */
-export const TRANSITION_OPTIONS: {
-  value: TransitionEffect["type"]
-  label: string
-  icon: string
-}[] = [
-  { value: "none", label: "无转场", icon: "⊘" },
-  { value: "cut", label: "硬切", icon: "✂" },
-  { value: "fade", label: "淡入淡出", icon: "◐" },
-  { value: "dissolve", label: "溶解", icon: "◈" },
-  { value: "zoom", label: "缩放", icon: "⊕" },
-  { value: "slide_left", label: "左滑", icon: "←" },
-  { value: "slide_right", label: "右滑", icon: "→" },
-  { value: "slide_up", label: "上滑", icon: "↑" },
-  { value: "slide_down", label: "下滑", icon: "↓" },
-  { value: "wipe_left", label: "左擦除", icon: "▸|" },
-  { value: "wipe_right", label: "右擦除", icon: "|◂" },
-  { value: "wipe_up", label: "上擦除", icon: "▴̄" },
-  { value: "wipe_down", label: "下擦除", icon: "▾̄" },
-  { value: "circlecrop", label: "圆形裁切", icon: "●" },
-  { value: "rectcrop", label: "矩形裁切", icon: "■" },
-]
-
-/** 素材类型标签 */
-export const MATERIAL_TYPE_LABELS: Record<string, string> = {
-  video: "视频",
-  image: "图片",
-  audio: "音频",
-  voiceover: "配音",
-}
-
-/** 素材类型图标 */
-export const MATERIAL_TYPE_ICONS: Record<string, string> = {
-  video: "🎬",
-  image: "🖼️",
-  audio: "🎵",
-  voiceover: "🎙️",
-}
-
-/** 计划状态标签 */
-export const PLAN_STATUS_LABELS: Record<EditPlanStatus, string> = {
-  draft: "草稿",
-  editing: "编辑中",
-  rendering: "渲染中",
-  completed: "已完成",
-  failed: "失败",
-  cancelled: "已取消",
-}
-
-/** 质量分筛选选项 */
-export const QUALITY_OPTIONS: {
-  value: string
-  label: string
-  min?: number
-  max?: number
-}[] = [
-  { value: "all", label: "全部质量" },
-  { value: "high", label: "高质量 (80-100)", min: 80, max: 100 },
-  { value: "medium", label: "中质量 (50-79)", min: 50, max: 79 },
-  { value: "low", label: "低质量 (0-49)", min: 0, max: 49 },
-]
@@ -0,0 +1,28 @@
+/**
+ * AI 推荐 + 封面生成 API
+ */
+import apiClient from "../client"
+import type {
+  AIRecommendRequest,
+  AIRecommendResponse,
+  GenerateCoverRequest,
+  GenerateCoverResponse,
+} from "./types"
+
+/** AI 推荐片段方案 */
+export async function aiRecommendClips(
+  templateId: string,
+  data: AIRecommendRequest,
+): Promise<AIRecommendResponse> {
+  const response = await apiClient.post(`/templates/${templateId}/editor/ai-recommend`, data)
+  return response.data
+}
+
+/** AI 生成封面 */
+export async function generateCover(
+  templateId: string,
+  data: GenerateCoverRequest,
+): Promise<GenerateCoverResponse> {
+  const response = await apiClient.post(`/templates/${templateId}/editor/generate-cover`, data)
+  return response.data
+}
@@ -0,0 +1,99 @@
+/**
+ * 片段 CRUD + 批量操作 API
+ */
+import apiClient from "../client"
+import type {
+  EditPlanClip,
+  EditPlanClipListParams,
+  EditPlanClipListResponse,
+  CreateEditPlanClipRequest,
+  UpdateEditPlanClipRequest,
+  ClipReorderItem,
+  ClipReorderResponse,
+  ClipBatchDeleteResponse,
+  ClipsFromAssetsResponse,
+} from "./types"
+
+/** 获取片段列表 */
+export async function getEditPlanClips(
+  templateId: string,
+  params?: EditPlanClipListParams,
+): Promise<EditPlanClipListResponse> {
+  const response = await apiClient.get<EditPlanClipListResponse>(
+    `/templates/${templateId}/editor/clips`,
+    { params },
+  )
+  return response.data
+}
+
+/** 获取单个片段详情 */
+export async function getEditPlanClip(templateId: string, clipId: string): Promise<EditPlanClip> {
+  const response = await apiClient.get<EditPlanClip>(
+    `/templates/${templateId}/editor/clips/${clipId}`,
+  )
+  return response.data
+}
+
+/** 创建片段 */
+export async function createEditPlanClip(
+  templateId: string,
+  data: CreateEditPlanClipRequest,
+): Promise<EditPlanClip> {
+  const response = await apiClient.post<EditPlanClip>(`/templates/${templateId}/editor/clips`, data)
+  return response.data
+}
+
+/** 更新片段 */
+export async function updateEditPlanClip(
+  templateId: string,
+  clipId: string,
+  data: UpdateEditPlanClipRequest,
+): Promise<EditPlanClip> {
+  const response = await apiClient.put<EditPlanClip>(
+    `/templates/${templateId}/editor/clips/${clipId}`,
+    data,
+  )
+  return response.data
+}
+
+/** 删除片段 */
+export async function deleteEditPlanClip(templateId: string, clipId: string): Promise<void> {
+  await apiClient.delete(`/templates/${templateId}/editor/clips/${clipId}`)
+}
+
+/** 片段重排序（拖拽排序后一次性提交） */
+export async function reorderEditPlanClips(
+  templateId: string,
+  items: ClipReorderItem[],
+): Promise<ClipReorderResponse> {
+  const response = await apiClient.post<ClipReorderResponse>(
+    `/templates/${templateId}/editor/clips/reorder`,
+    { items },
+  )
+  return response.data
+}
+
+/** 批量删除片段 */
+export async function batchDeleteEditPlanClips(
+  templateId: string,
+  clipIds: string[],
+): Promise<ClipBatchDeleteResponse> {
+  const response = await apiClient.post<ClipBatchDeleteResponse>(
+    `/templates/${templateId}/editor/clips/batch-delete`,
+    { clip_ids: clipIds },
+  )
+  return response.data
+}
+
+/** 从素材批量创建片段（追加到时间线末尾） */
+export async function createClipsFromAssets(
+  templateId: string,
+  assetIds: string[],
+  clipType = "main",
+): Promise<ClipsFromAssetsResponse> {
+  const response = await apiClient.post<ClipsFromAssetsResponse>(
+    `/templates/${templateId}/editor/clips/from-assets`,
+    { asset_ids: assetIds, clip_type: clipType },
+  )
+  return response.data
+}
@@ -0,0 +1,66 @@
+/**
+ * 模板编辑器常量
+ */
+import type { TransitionEffect, EditPlanStatus } from "./types"
+
+/** 转场效果选项（14 种预设） */
+export const TRANSITION_OPTIONS: {
+  value: TransitionEffect["type"]
+  label: string
+  icon: string
+}[] = [
+  { value: "none", label: "无转场", icon: "⊘" },
+  { value: "cut", label: "硬切", icon: "✂" },
+  { value: "fade", label: "淡入淡出", icon: "◐" },
+  { value: "dissolve", label: "溶解", icon: "◈" },
+  { value: "zoom", label: "缩放", icon: "⊕" },
+  { value: "slide_left", label: "左滑", icon: "←" },
+  { value: "slide_right", label: "右滑", icon: "→" },
+  { value: "slide_up", label: "上滑", icon: "↑" },
+  { value: "slide_down", label: "下滑", icon: "↓" },
+  { value: "wipe_left", label: "左擦除", icon: "▸|" },
+  { value: "wipe_right", label: "右擦除", icon: "|◂" },
+  { value: "wipe_up", label: "上擦除", icon: "▴̄" },
+  { value: "wipe_down", label: "下擦除", icon: "▾̄" },
+  { value: "circlecrop", label: "圆形裁切", icon: "●" },
+  { value: "rectcrop", label: "矩形裁切", icon: "■" },
+]
+
+/** 素材类型标签 */
+export const MATERIAL_TYPE_LABELS: Record<string, string> = {
+  video: "视频",
+  image: "图片",
+  audio: "音频",
+  voiceover: "配音",
+}
+
+/** 素材类型图标 */
+export const MATERIAL_TYPE_ICONS: Record<string, string> = {
+  video: "🎬",
+  image: "🖼️",
+  audio: "🎵",
+  voiceover: "🎙️",
+}
+
+/** 计划状态标签 */
+export const PLAN_STATUS_LABELS: Record<EditPlanStatus, string> = {
+  draft: "草稿",
+  editing: "编辑中",
+  rendering: "渲染中",
+  completed: "已完成",
+  failed: "失败",
+  cancelled: "已取消",
+}
+
+/** 质量分筛选选项 */
+export const QUALITY_OPTIONS: {
+  value: string
+  label: string
+  min?: number
+  max?: number
+}[] = [
+  { value: "all", label: "全部质量" },
+  { value: "high", label: "高质量 (80-100)", min: 80, max: 100 },
+  { value: "medium", label: "中质量 (50-79)", min: 50, max: 79 },
+  { value: "low", label: "低质量 (0-49)", min: 0, max: 49 },
+]
@@ -0,0 +1,91 @@
+/**
+ * 模板草稿 CRUD + 生成相关 API
+ */
+import apiClient from "../client"
+import type {
+  EditPlan,
+  EditPlanListParams,
+  EditPlanListResponse,
+  CreateEditPlanRequest,
+  UpdateEditPlanRequest,
+  GenerateResponse,
+  GenerationStatusResponse,
+  EditPlanGeneration,
+  GeneratedVideo,
+  CopyEditPlanRequest,
+} from "./types"
+
+/** 获取模板草稿列表（支持分页和筛选） */
+export async function getEditPlans(params?: EditPlanListParams): Promise<EditPlanListResponse> {
+  const response = await apiClient.get<EditPlanListResponse>("/templates/drafts", {
+    params,
+  })
+  return response.data
+}
+
+/** 获取单个模板草稿 */
+export async function getEditPlan(templateId: string): Promise<EditPlan> {
+  const response = await apiClient.get(`/templates/${templateId}/editor`)
+  return response.data
+}
+
+/** 创建模板草稿 */
+export async function createEditPlan(data: CreateEditPlanRequest): Promise<EditPlan> {
+  const response = await apiClient.post("/templates/drafts", data)
+  return response.data
+}
+
+/** 更新模板草稿 */
+export async function updateEditPlan(
+  templateId: string,
+  data: UpdateEditPlanRequest,
+): Promise<EditPlan> {
+  const response = await apiClient.put(`/templates/${templateId}/editor`, data)
+  return response.data
+}
+
+/** 删除模板草稿 */
+export async function deleteEditPlan(templateId: string): Promise<void> {
+  await apiClient.delete(`/templates/${templateId}/editor`)
+}
+
+/** 触发生成 */
+export async function generateEditPlan(templateId: string): Promise<GenerateResponse> {
+  const response = await apiClient.post(`/templates/${templateId}/editor/generate`)
+  return response.data
+}
+
+/** 获取生成状态（轮询用） */
+export async function getGenerationStatus(templateId: string): Promise<GenerationStatusResponse> {
+  const response = await apiClient.get(`/templates/${templateId}/editor/generation-status`)
+  return response.data
+}
+
+/** 获取模板草稿关联的生成记录 */
+export async function getEditPlanGenerations(templateId: string): Promise<EditPlanGeneration[]> {
+  const response = await apiClient.get(`/templates/${templateId}/editor/generations`)
+  return response.data.items || []
+}
+
+/** 获取生成任务的视频结果列表 */
+export async function getGenerationTaskResults(taskId: string): Promise<GeneratedVideo[]> {
+  const response = await apiClient.get(`/generation/tasks/${taskId}/results`)
+  return response.data.items || response.data || []
+}
+
+/** 取消生成任务 */
+export async function cancelGeneration(templateId: string): Promise<void> {
+  await apiClient.post(`/templates/${templateId}/editor/cancel`)
+}
+
+/** 复制模板草稿（含所有片段配置） */
+export async function copyEditPlan(
+  templateId: string,
+  data?: CopyEditPlanRequest,
+): Promise<EditPlan> {
+  const response = await apiClient.post<EditPlan>(
+    `/templates/${templateId}/editor/copy`,
+    data || {},
+  )
+  return response.data
+}
@@ -0,0 +1,88 @@
+/**
+ * 模板编辑器 API — 按模块拆分后的统一入口
+ * 保持与原 template-editor.ts 相同的导出结构，向后兼容
+ */
+
+// 类型
+export type {
+  EditPlanStatus,
+  TitleConfig,
+  SubtitleConfig,
+  BgmConfig,
+  SegmentTtsConfig,
+  SegmentTrimConfig,
+  SegmentTransitionConfig,
+  EditPlanSegment,
+  EditPlanConfig,
+  EditPlan,
+  CreateEditPlanRequest,
+  UpdateEditPlanRequest,
+  EditPlanListParams,
+  EditPlanListResponse,
+  GenerateResponse,
+  EditPlanGeneration,
+  ClipStatusItem,
+  GenerationStatusResponse,
+  GeneratedVideo,
+  AIRecommendRequest,
+  AIRecommendClipItem,
+  AIRecommendResponse,
+  GenerateCoverRequest,
+  GenerateCoverResponse,
+  CoverResult,
+  EditPlanClipStatus,
+  EditPlanClip,
+  CreateEditPlanClipRequest,
+  UpdateEditPlanClipRequest,
+  EditPlanClipListResponse,
+  EditPlanClipListParams,
+  ClipReorderItem,
+  ClipReorderResponse,
+  ClipBatchDeleteResponse,
+  ClipsFromAssetsResponse,
+  CopyEditPlanRequest,
+  TransitionEffect,
+  MediaAsset,
+} from "./types"
+
+// 常量
+export {
+  TRANSITION_OPTIONS,
+  MATERIAL_TYPE_LABELS,
+  MATERIAL_TYPE_ICONS,
+  PLAN_STATUS_LABELS,
+  QUALITY_OPTIONS,
+} from "./constants"
+
+// 模板草稿 CRUD + 生成
+export {
+  getEditPlans,
+  getEditPlan,
+  createEditPlan,
+  updateEditPlan,
+  deleteEditPlan,
+  generateEditPlan,
+  getGenerationStatus,
+  getEditPlanGenerations,
+  getGenerationTaskResults,
+  cancelGeneration,
+  copyEditPlan,
+} from "./editPlans"
+
+// 片段 CRUD + 批量操作
+export {
+  getEditPlanClips,
+  getEditPlanClip,
+  createEditPlanClip,
+  updateEditPlanClip,
+  deleteEditPlanClip,
+  reorderEditPlanClips,
+  batchDeleteEditPlanClips,
+  createClipsFromAssets,
+} from "./clips"
+
+// AI 推荐 + 封面生成
+export { aiRecommendClips, generateCover } from "./aiFeatures"
+
+// 素材库
+export { getMediaAssets, getMediaAsset } from "./mediaAssets"
@@ -0,0 +1,44 @@
+/**
+ * 素材库 API（对接 /assets 接口，映射为 MediaAsset 类型）
+ */
+import apiClient from "../client"
+import type { AssetItem } from "../assets"
+import type { MediaAsset } from "./types"
+
+const inferMediaType = (mimeType: string): "video" | "image" | "audio" => {
+  if (mimeType.startsWith("video/")) return "video"
+  if (mimeType.startsWith("image/")) return "image"
+  return "audio"
+}
+
+const mapAssetToMediaAsset = (asset: AssetItem): MediaAsset => {
+  const metaDuration =
+    typeof asset.metadata?.duration === "number" ? asset.metadata.duration : undefined
+  return {
+    id: asset.id,
+    name: asset.name,
+    type: inferMediaType(asset.mime_type || ""),
+    thumbnail_url: asset.thumbnail_url,
+    duration: asset.duration ?? metaDuration,
+    size: asset.file_size ?? undefined,
+    tags: [],
+    created_at: asset.created_at ?? "",
+    quality_score: asset.quality_score ?? undefined,
+    classification_status: asset.classification_status ?? undefined,
+  }
+}
+
+/** 获取素材库列表 */
+export async function getMediaAssets(libraryId?: string): Promise<MediaAsset[]> {
+  const response = await apiClient.get("/assets", {
+    params: libraryId ? { library_id: libraryId } : undefined,
+  })
+  const items: AssetItem[] = response.data.items || []
+  return items.map(mapAssetToMediaAsset)
+}
+
+/** 获取单个素材 */
+export async function getMediaAsset(id: string): Promise<MediaAsset> {
+  const response = await apiClient.get(`/assets/${id}`)
+  return mapAssetToMediaAsset(response.data)
+}
@@ -0,0 +1,440 @@
+/**
+ * 模板编辑器 API 类型定义
+ * 字段名严格匹配后端 API 响应
+ */
+import type {
+  WatermarkConfig,
+  IntroOutroConfig,
+  PipConfig,
+  FilterConfig,
+  ChromaKeyConfig,
+  StickerConfig,
+  CoverConfig,
+} from "@/pages/editing-planner/types"
+
+/* ── 模板草稿状态 ── */
+
+export type EditPlanStatus =
+  "draft" | "editing" | "rendering" | "completed" | "failed" | "cancelled"
+
+/* ── 配置相关类型 ── */
+
+/** 标题配置（对齐后端 title_config） */
+export interface TitleConfig {
+  ai_auto_select: boolean
+  content: string
+  font_preset: string
+  font_color: string
+  font_size: number
+  position: string
+}
+
+/** 字幕配置 */
+export interface SubtitleConfig {
+  enabled: boolean
+  position: string
+  font: string
+  color: string
+  size: number
+  animation: string
+}
+
+/** BGM 配置 */
+export interface BgmConfig {
+  enabled: boolean
+  music_id: string
+}
+
+/** 片段 TTS 配置 */
+export interface SegmentTtsConfig {
+  mode: string
+  text: string
+  voice_id: string
+  speed: number
+  pitch: number
+  volume: number
+  subtitle_sync: boolean
+}
+
+/** 片段裁剪配置 */
+export interface SegmentTrimConfig {
+  start_time: number
+  end_time: number
+}
+
+/** 片段转场配置 */
+export interface SegmentTransitionConfig {
+  type: string
+  duration: number
+}
+
+/** 模板草稿中的单个片段 */
+export interface EditPlanSegment {
+  segment_order: number
+  duration_min: number
+  duration_max: number
+  material_type: string
+  transition?: SegmentTransitionConfig
+  playback_speed?: number
+  tts_config?: SegmentTtsConfig
+  trim_config?: SegmentTrimConfig
+}
+
+/** 模板草稿 config 完整类型 */
+export interface EditPlanConfig {
+  title_config?: TitleConfig
+  subtitle_config?: SubtitleConfig
+  bgm_config?: BgmConfig
+  estimated_duration?: number
+  segments?: EditPlanSegment[]
+  watermark_config?: WatermarkConfig
+  intro_outro_config?: IntroOutroConfig
+  pip_config?: PipConfig
+  filter_config?: FilterConfig
+  green_screen_config?: ChromaKeyConfig
+  sticker_config?: StickerConfig
+  cover_config?: CoverConfig
+  /** 前端扩展：关联的素材 ID 列表 */
+  asset_ids?: string[]
+  /** 配音 ID */
+  voice_id?: string
+  /** 克隆音色档案 ID */
+  voice_clone_profile_id?: string
+  /** 自定义配音音频 URL */
+  custom_audio_url?: string
+  /** 自定义配音文本 */
+  custom_text?: string
+  /** 视频比例 */
+  ratio?: string
+  /** 视频风格 */
+  style?: string
+  /** 目标时长（秒） */
+  duration?: number
+  /** 是否自动生成字幕 */
+  auto_subtitles?: boolean
+  /** 是否启用 BGM */
+  bgm?: boolean
+  /** 生成数量 */
+  generate_count?: number
+  /** 素材模式 */
+  material_mode?: string
+}
+
+/* ── 模板草稿主体 ── */
+
+/** 模板草稿（后端响应） */
+export interface EditPlan {
+  id: string
+  template_id: string
+  name: string
+  status: EditPlanStatus
+  total_duration: number
+  /** 生成视频数量 */
+  result_count: number
+  config: EditPlanConfig
+  created_at: string
+  updated_at: string
+}
+
+/** 创建模板草稿请求 */
+export interface CreateEditPlanRequest {
+  template_id: string
+  name: string
+  config?: EditPlanConfig
+  total_duration?: number
+  /** 来源模板草稿 ID */
+  source_edit_plan_id?: string
+}
+
+/** 更新模板草稿请求 */
+export interface UpdateEditPlanRequest {
+  name?: string
+  config?: EditPlanConfig
+  total_duration?: number
+  status?: EditPlanStatus
+}
+
+/** 模板草稿列表查询参数 */
+export interface EditPlanListParams {
+  page?: number
+  page_size?: number
+  template_id?: string
+  status?: string
+}
+
+/** 模板草稿列表分页响应 */
+export interface EditPlanListResponse {
+  items: EditPlan[]
+  total: number
+  page: number
+  page_size: number
+}
+
+/* ── 生成相关 ── */
+
+/** 生成响应 */
+export interface GenerateResponse {
+  plan_id: string
+  plan_status: EditPlanStatus
+  generation_task_id: string
+  clip_count: number
+}
+
+/** 模板草稿关联的生成记录 */
+export interface EditPlanGeneration {
+  id: string
+  source_edit_plan_id: string
+  template_id: string
+  asset_ids: string[]
+  status: EditPlanStatus
+  progress: number
+  result_count: number
+  error_message: string
+  error_info: Record<string, unknown>
+  logs: Array<Record<string, unknown>>
+  retry_count: number
+  created_at?: string
+  updated_at?: string
+}
+
+/** 片段生成状态 */
+export interface ClipStatusItem {
+  clip_id: string
+  clip_type: string
+  order: number
+  status: string
+  asset_id?: string
+  text_content?: string
+  duration?: number
+  error_message?: string
+}
+
+/** 生成状态轮询响应 */
+export interface GenerationStatusResponse {
+  plan_id: string
+  plan_status: EditPlanStatus
+  generation_task_id?: string
+  error_message?: string
+  clips: ClipStatusItem[]
+  error?: string
+  message?: string
+}
+
+/** 生成视频详情 */
+export interface GeneratedVideo {
+  id: string
+  project_id?: string
+  generation_task_id?: string
+  name: string
+  file_url: string
+  file_size?: number
+  duration?: number
+  thumbnail_url?: string
+  width?: number
+  height?: number
+  fps?: number
+  status: string
+  review_status?: string
+  download_url?: string
+  created_at?: string
+  updated_at?: string
+}
+
+/* ── AI 推荐 & 封面生成 ── */
+
+/** AI 推荐请求 */
+export interface AIRecommendRequest {
+  asset_ids: string[]
+  editing_mode?: string
+  target_duration?: number
+}
+
+/** AI 推荐单个片段 */
+export interface AIRecommendClipItem {
+  clip_type: string
+  order: number
+  text_content: string
+  duration: number
+  transition_effect: string
+  asset_id: string
+  start_time: number
+  config: EditPlanConfig
+}
+
+/** AI 推荐响应 */
+export interface AIRecommendResponse {
+  plan_id: string
+  clips: AIRecommendClipItem[]
+  config: EditPlanConfig
+  total_duration: number
+  confidence: number
+}
+
+/** AI 封面生成请求 */
+export interface GenerateCoverRequest {
+  asset_ids: string[]
+  cover_type?: "ai_frame" | "manual" | "upload" | "ai_regenerate"
+  frame_time?: number
+}
+
+/** AI 封面生成响应 */
+export interface GenerateCoverResponse {
+  plan_id: string
+  cover: CoverResult
+}
+
+/** 封面生成结果 */
+export interface CoverResult {
+  scheme?: string
+  asset_id?: string
+  frame_time?: number
+  thumbnail_url?: string
+}
+
+/* ── 片段 CRUD 相关 ── */
+
+/** 片段状态 */
+export type EditPlanClipStatus = "pending" | "processing" | "ready" | "failed"
+
+/** 剪辑片段（后端响应） */
+export interface EditPlanClip {
+  id: string
+  plan_id: string
+  clip_type: string
+  order: number
+  asset_id: string
+  text_content: string
+  start_time: number
+  duration: number
+  transition_effect: string
+  transition_duration: number
+  playback_speed: number
+  status: EditPlanClipStatus
+  config: Record<string, unknown>
+  created_at?: string
+  updated_at?: string
+}
+
+/** 创建片段请求 */
+export interface CreateEditPlanClipRequest {
+  clip_type: string
+  order: number
+  asset_id?: string
+  text_content?: string
+  start_time?: number
+  duration?: number
+  transition_effect?: string
+  transition_duration?: number
+  playback_speed?: number
+  config?: Record<string, unknown>
+}
+
+/** 更新片段请求 */
+export interface UpdateEditPlanClipRequest {
+  clip_type?: string
+  order?: number
+  asset_id?: string
+  text_content?: string
+  start_time?: number
+  duration?: number
+  transition_effect?: string
+  transition_duration?: number
+  playback_speed?: number
+  config?: Record<string, unknown>
+}
+
+/** 片段列表响应 */
+export interface EditPlanClipListResponse {
+  items: EditPlanClip[]
+  total: number
+}
+
+/** 片段列表查询参数 */
+export interface EditPlanClipListParams {
+  status?: string
+  skip?: number
+  limit?: number
+}
+
+/* ── 片段批量操作 ── */
+
+/** 重排序条目 */
+export interface ClipReorderItem {
+  clip_id: string
+  new_order: number
+}
+
+/** 重排序响应 */
+export interface ClipReorderResponse {
+  success: boolean
+  updated_count: number
+  message: string
+}
+
+/** 批量删除响应 */
+export interface ClipBatchDeleteResponse {
+  success: boolean
+  deleted_count: number
+  message: string
+}
+
+/** 从素材批量创建响应 */
+export interface ClipsFromAssetsResponse {
+  success: boolean
+  created_count: number
+  message: string
+  clip_ids: string[]
+}
+
+/* ── 复制计划 ── */
+
+/** 复制计划请求 */
+export interface CopyEditPlanRequest {
+  name?: string
+  project_id?: string
+}
+
+/* ── 前端 UI 类型 ── */
+
+/** 转场效果（14 种预设） */
+export interface TransitionEffect {
+  type:
+    | "none"
+    | "cut"
+    | "fade"
+    | "dissolve"
+    | "zoom"
+    | "slide_left"
+    | "slide_right"
+    | "slide_up"
+    | "slide_down"
+    | "wipe_left"
+    | "wipe_right"
+    | "wipe_up"
+    | "wipe_down"
+    | "circlecrop"
+    | "rectcrop"
+  duration: number
+  /** 播放速度倍率 */
+  playback_speed?: number
+}
+
+/** 素材库资产（UI 层类型） */
+export interface MediaAsset {
+  id: string
+  name: string
+  type: "video" | "image" | "audio"
+  /** 缩略图 URL */
+  thumbnail_url?: string
+  /** 时长（秒），仅 video/audio */
+  duration?: number
+  /** 文件大小（字节） */
+  size?: number
+  /** 标签 */
+  tags: string[]
+  created_at: string
+  /** 质量分 0-100 */
+  quality_score?: number
+  /** 分类状态 */
+  classification_status?: "pending" | "processing" | "completed" | "failed"
+}
@@ -1,168 +0,0 @@
-/**
- * 模板相关 API
- * 对接后端模板管理接口：
- * - GET  /api/v1/templates              — 模板列表（分页/筛选）
- * - GET  /api/v1/templates/{id}         — 模板详情
- * - POST /api/v1/templates/{id}/copy    — 复制模板
- * - POST /api/v1/templates/{id}/generate — 从模板生成
- * - POST /api/v1/templates/{id}/toggle-favorite — 收藏/取消收藏
- */
-import apiClient from "./client"
-import type { TitleConfig, SubtitleConfig, BgmConfig } from "./editing-planner"
-import type { EditPlanConfig } from "./template-editor"
-
-/* ──────────── 类型定义 ──────────── */
-
-/** 模板条目（后端 TemplateResponse） */
-export interface TemplateItem {
-  id: string
-  user_id?: string
-  name: string
-  description?: string
-  mode?: string
-  category: string
-  tags?: string[]
-  /** 预估时长（后端字段名 estimated_duration） */
-  estimated_duration?: number
-  /** @deprecated 后端已改名为 estimated_duration，保留兼容 */
-  target_duration?: number
-  clip_count?: number
-  /** 使用次数 */
-  usage_count?: number
-  thumbnail_url?: string
-  preview_url?: string
-  is_active?: boolean
-  is_favorite?: boolean
-  /** 素材规则（片段配置） */
-  segments?: TemplateSegment[]
-  /** 字幕样式 */
-  subtitle_config?: SubtitleConfig
-  /** BGM 配置 */
-  bgm_config?: BgmConfig
-  /** 标题配置 */
-  title_config?: TitleConfig
-  /** 视频比例 */
-  aspect_ratio?: string
-  created_at?: string
-  updated_at?: string
-}
-
-/** 模板片段（素材规则） */
-export interface TemplateSegment {
-  id?: string
-  segment_order: number
-  duration_min: number
-  duration_max: number
-  material_type: string | null
-  description?: string
-}
-
-/** 模板列表查询参数 */
-export interface TemplateListParams {
-  page?: number
-  page_size?: number
-  category?: string
-  tags?: string
-  keyword?: string
-  /** 时长筛选（秒）：short < 30, medium 30-120, long > 120 */
-  duration_range?: "short" | "medium" | "long"
-}
-
-/** 模板列表分页响应 */
-export interface TemplateListResponse {
-  items: TemplateItem[]
-  total: number
-  page: number
-  page_size: number
-}
-
-/** 从模板生成请求 */
-export interface GenerateFromTemplateRequest {
-  asset_ids?: string[]
-  name?: string
-  config?: EditPlanConfig
-}
-
-/** 从模板生成响应 */
-export interface GenerateFromTemplateResponse {
-  plan_id: string
-  template_id: string
-  status: string
-  name: string
-}
-
-/** 复制模板响应 */
-export interface CopyTemplateResponse {
-  id: string
-  name: string
-  source_template_id: string
-}
-
-/* ──────────── API 函数 ──────────── */
-
-/** 获取模板列表（支持分页和筛选） */
-export const getTemplates = async (params?: TemplateListParams): Promise<TemplateListResponse> => {
-  const { data } = await apiClient.get<TemplateListResponse>("/templates", {
-    params,
-  })
-  return data
-}
-
-/** 获取模板列表（兼容旧接口，返回数组） */
-export const getTemplatesList = async (): Promise<TemplateItem[]> => {
-  const response = await apiClient.get("/templates")
-  return response.data.items || response.data || []
-}
-
-/** 获取单个模板详情 */
-export const getTemplate = async (templateId: string): Promise<TemplateItem> => {
-  const response = await apiClient.get(`/templates/${templateId}`)
-  return response.data
-}
-
-/** 收藏 / 取消收藏模板 */
-export const toggleFavoriteTemplate = async (
-  templateId: string,
-): Promise<{ is_favorite: boolean }> => {
-  const response = await apiClient.post(`/templates/${templateId}/toggle-favorite`)
-  return response.data
-}
-
-/** 复制模板（创建副本到我的模板） */
-export const copyTemplate = async (templateId: string): Promise<CopyTemplateResponse> => {
-  const response = await apiClient.post<CopyTemplateResponse>(`/templates/${templateId}/copy`)
-  return response.data
-}
-
-/** 从模板生成 */
-export const generateFromTemplate = async (
-  templateId: string,
-  data?: GenerateFromTemplateRequest,
-): Promise<GenerateFromTemplateResponse> => {
-  const response = await apiClient.post<GenerateFromTemplateResponse>(
-    `/templates/${templateId}/generate`,
-    data,
-  )
-  return response.data
-}
-
-/* ──────────── 常量 ──────────── */
-
-/** 模板分类选项 */
-export const TEMPLATE_CATEGORY_OPTIONS = [
-  { value: "", label: "全部分类" },
-  { value: "口播", label: "口播" },
-  { value: "种草", label: "种草" },
-  { value: "产品", label: "产品" },
-  { value: "品牌", label: "品牌" },
-  { value: "混剪", label: "混剪" },
-  { value: "Vlog", label: "Vlog" },
-]
-
-/** 时长筛选选项 */
-export const TEMPLATE_DURATION_OPTIONS = [
-  { value: "", label: "全部时长" },
-  { value: "short", label: "30秒以内" },
-  { value: "medium", label: "30秒-2分钟" },
-  { value: "long", label: "2分钟以上" },
-]
@@ -0,0 +1,22 @@
+/**
+ * 模板相关常量
+ */
+
+/** 模板分类选项 */
+export const TEMPLATE_CATEGORY_OPTIONS = [
+  { value: "", label: "全部分类" },
+  { value: "口播", label: "口播" },
+  { value: "种草", label: "种草" },
+  { value: "产品", label: "产品" },
+  { value: "品牌", label: "品牌" },
+  { value: "混剪", label: "混剪" },
+  { value: "Vlog", label: "Vlog" },
+]
+
+/** 时长筛选选项 */
+export const TEMPLATE_DURATION_OPTIONS = [
+  { value: "", label: "全部时长" },
+  { value: "short", label: "30秒以内" },
+  { value: "medium", label: "30秒-2分钟" },
+  { value: "long", label: "2分钟以上" },
+]
@@ -0,0 +1,28 @@
+/**
+ * 模板相关 API — 目录化入口
+ * 保持与原 templates.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type {
+  TemplateItem,
+  TemplateSegment,
+  TemplateListParams,
+  TemplateListResponse,
+  GenerateFromTemplateRequest,
+  GenerateFromTemplateResponse,
+  CopyTemplateResponse,
+} from "./types"
+
+// 常量
+export { TEMPLATE_CATEGORY_OPTIONS, TEMPLATE_DURATION_OPTIONS } from "./constants"
+
+// API 函数
+export {
+  getTemplates,
+  getTemplatesList,
+  getTemplate,
+  toggleFavoriteTemplate,
+  copyTemplate,
+  generateFromTemplate,
+} from "./templates"
@@ -0,0 +1,59 @@
+/**
+ * 模板相关 API 函数
+ * 对接后端模板管理接口
+ */
+import apiClient from "../client"
+import type {
+  CopyTemplateResponse,
+  GenerateFromTemplateRequest,
+  GenerateFromTemplateResponse,
+  TemplateItem,
+  TemplateListParams,
+  TemplateListResponse,
+} from "./types"
+
+/** 获取模板列表（支持分页和筛选） */
+export const getTemplates = async (params?: TemplateListParams): Promise<TemplateListResponse> => {
+  const { data } = await apiClient.get<TemplateListResponse>("/templates", {
+    params,
+  })
+  return data
+}
+
+/** 获取模板列表（兼容旧接口，返回数组） */
+export const getTemplatesList = async (): Promise<TemplateItem[]> => {
+  const response = await apiClient.get("/templates")
+  return response.data.items || response.data || []
+}
+
+/** 获取单个模板详情 */
+export const getTemplate = async (templateId: string): Promise<TemplateItem> => {
+  const response = await apiClient.get(`/templates/${templateId}`)
+  return response.data
+}
+
+/** 收藏 / 取消收藏模板 */
+export const toggleFavoriteTemplate = async (
+  templateId: string,
+): Promise<{ is_favorite: boolean }> => {
+  const response = await apiClient.post(`/templates/${templateId}/toggle-favorite`)
+  return response.data
+}
+
+/** 复制模板（创建副本到我的模板） */
+export const copyTemplate = async (templateId: string): Promise<CopyTemplateResponse> => {
+  const response = await apiClient.post<CopyTemplateResponse>(`/templates/${templateId}/copy`)
+  return response.data
+}
+
+/** 从模板生成 */
+export const generateFromTemplate = async (
+  templateId: string,
+  data?: GenerateFromTemplateRequest,
+): Promise<GenerateFromTemplateResponse> => {
+  const response = await apiClient.post<GenerateFromTemplateResponse>(
+    `/templates/${templateId}/generate`,
+    data,
+  )
+  return response.data
+}
@@ -0,0 +1,90 @@
+/**
+ * 模板相关类型定义
+ */
+import type { TitleConfig, SubtitleConfig, BgmConfig } from "../editing-planner"
+import type { EditPlanConfig } from "../template-editor"
+
+/** 模板条目（后端 TemplateResponse） */
+export interface TemplateItem {
+  id: string
+  user_id?: string
+  name: string
+  description?: string
+  mode?: string
+  category: string
+  tags?: string[]
+  /** 预估时长（后端字段名 estimated_duration） */
+  estimated_duration?: number
+  /** @deprecated 后端已改名为 estimated_duration，保留兼容 */
+  target_duration?: number
+  clip_count?: number
+  /** 使用次数 */
+  usage_count?: number
+  thumbnail_url?: string
+  preview_url?: string
+  is_active?: boolean
+  is_favorite?: boolean
+  /** 素材规则（片段配置） */
+  segments?: TemplateSegment[]
+  /** 字幕样式 */
+  subtitle_config?: SubtitleConfig
+  /** BGM 配置 */
+  bgm_config?: BgmConfig
+  /** 标题配置 */
+  title_config?: TitleConfig
+  /** 视频比例 */
+  aspect_ratio?: string
+  created_at?: string
+  updated_at?: string
+}
+
+/** 模板片段（素材规则） */
+export interface TemplateSegment {
+  id?: string
+  segment_order: number
+  duration_min: number
+  duration_max: number
+  material_type: string | null
+  description?: string
+}
+
+/** 模板列表查询参数 */
+export interface TemplateListParams {
+  page?: number
+  page_size?: number
+  category?: string
+  tags?: string
+  keyword?: string
+  /** 时长筛选（秒）：short < 30, medium 30-120, long > 120 */
+  duration_range?: "short" | "medium" | "long"
+}
+
+/** 模板列表分页响应 */
+export interface TemplateListResponse {
+  items: TemplateItem[]
+  total: number
+  page: number
+  page_size: number
+}
+
+/** 从模板生成请求 */
+export interface GenerateFromTemplateRequest {
+  asset_ids?: string[]
+  name?: string
+  config?: EditPlanConfig
+}
+
+/** 从模板生成响应 */
+export interface GenerateFromTemplateResponse {
+  plan_id: string
+  template_id: string
+  status: string
+  name: string
+}
+
+/** 复制模板响应 */
+export interface CopyTemplateResponse {
+  id: string
+  name: string
+  source_template_id: string
+}
@@ -0,0 +1,19 @@
+/**
+ * 标题相关 API — 目录化入口
+ * 保持与原 titles.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type {
+  TitleItem,
+  BackendTitleResponse,
+  BackendCreateTitleRequest,
+  BackendUpdateTitleRequest,
+  CreateTitleRequest,
+} from "./types"
+
+// 工具函数
+export { toTitleItem } from "./utils"
+
+// API 函数
+export { getTitles, createTitle, updateTitle, deleteTitle, batchImportTitles } from "./titles"
@@ -1,70 +1,17 @@
 /**
- * 标题相关 API
+ * 标题相关 API 函数
 * Phase 1 新增：全局标题库
 * 注意：后端 schema 使用 name + text 字段，前端 UI 用 content 展示
 */
-import apiClient from "./client"
-
-/** 标题条目（前端展示用） */
-export interface TitleItem {
-  id: string
-  content: string
-  category?: string
-  source?: string
-  word_count?: number
-  is_favorite?: boolean
-  created_at?: string
-  updated_at?: string
-}
-
-/** 后端标题响应格式 */
-interface BackendTitleResponse {
-  id: string
-  user_id: string
-  name: string
-  text: string
-  category: string
-  description: string
-  tags: string[]
-  usage_count: number
-  is_active: boolean
-  created_at: string
-  updated_at: string
-}
-
-/** 后端创建标题请求格式 */
-interface BackendCreateTitleRequest {
-  name: string
-  text: string
-  category: string
-  description?: string
-  tags?: string[]
-}
-
-/** 后端更新标题请求格式 */
-interface BackendUpdateTitleRequest {
-  name?: string
-  text?: string
-  category?: string
-  description?: string
-  tags?: string[]
-}
-
-/** 将后端响应映射为前端 TitleItem */
-const toTitleItem = (item: BackendTitleResponse): TitleItem => ({
-  id: item.id,
-  content: item.text,
-  category: item.category,
-  word_count: item.text?.length || 0,
-  created_at: item.created_at,
-  updated_at: item.updated_at,
-})
-
-/** 创建标题请求（前端接口，保持向后兼容） */
-export interface CreateTitleRequest {
-  content: string
-  category?: string
-}
+import apiClient from "../client"
+import type {
+  BackendCreateTitleRequest,
+  BackendTitleResponse,
+  BackendUpdateTitleRequest,
+  CreateTitleRequest,
+  TitleItem,
+} from "./types"
+import { toTitleItem } from "./utils"

 /** 获取当前用户的所有标题 */
 export const getTitles = async (): Promise<TitleItem[]> => {
@@ -0,0 +1,54 @@
+/**
+ * 标题相关类型定义
+ */
+
+/** 标题条目（前端展示用） */
+export interface TitleItem {
+  id: string
+  content: string
+  category?: string
+  source?: string
+  word_count?: number
+  is_favorite?: boolean
+  created_at?: string
+  updated_at?: string
+}
+
+/** 后端标题响应格式 */
+export interface BackendTitleResponse {
+  id: string
+  user_id: string
+  name: string
+  text: string
+  category: string
+  description: string
+  tags: string[]
+  usage_count: number
+  is_active: boolean
+  created_at: string
+  updated_at: string
+}
+
+/** 后端创建标题请求格式 */
+export interface BackendCreateTitleRequest {
+  name: string
+  text: string
+  category: string
+  description?: string
+  tags?: string[]
+}
+
+/** 后端更新标题请求格式 */
+export interface BackendUpdateTitleRequest {
+  name?: string
+  text?: string
+  category?: string
+  description?: string
+  tags?: string[]
+}
+
+/** 创建标题请求（前端接口，保持向后兼容） */
+export interface CreateTitleRequest {
+  content: string
+  category?: string
+}
@@ -0,0 +1,14 @@
+/**
+ * 标题数据转换工具函数
+ */
+import type { BackendTitleResponse, TitleItem } from "./types"
+
+/** 将后端响应映射为前端 TitleItem */
+export const toTitleItem = (item: BackendTitleResponse): TitleItem => ({
+  id: item.id,
+  content: item.text,
+  category: item.category,
+  word_count: item.text?.length || 0,
+  created_at: item.created_at,
+  updated_at: item.updated_at,
+})
@@ -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
-}
@@ -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"
@@ -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
+}
@@ -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
+}
@@ -1,208 +0,0 @@
-/**
- * 音色克隆 API
- * 任务 3.11：替换 Mock 数据，对接后端真实 API（3.05）
- * 任务 3.15：新增 progress 字段用于进度展示
- */
-import apiClient from "./client"
-
-/* ── 前端兼容类型 ─────────────────────────────────────── */
-
-/** 克隆音色状态（前端展示用） */
-export type VoiceCloneStatus = "ready" | "processing" | "failed"
-
-/** 克隆音色条目（前端展示用） */
-export interface VoiceClone {
-  id: string
-  name: string
-  description: string
-  duration_seconds: number
-  status: VoiceCloneStatus
-  /** 克隆进度 0-100，仅 processing 状态时有值 */
-  progress: number
-  sample_url?: string
-  language: string
-  gender: string
-  error_message: string | null
-  created_at: string
-  updated_at: string
-}
-
-/** 创建克隆请求（前端简化版） */
-export interface CreateVoiceCloneRequest {
-  name: string
-  audio_url: string
-  description?: string
-}
-
-/* ── 后端 API 类型 ────────────────────────────────────── */
-
-/** 音色克隆元数据（克隆时附带的扩展信息） */
-export interface VoiceCloneMetadata {
-  /** 语音时长（秒） */
-  duration?: number
-  /** 采样率（Hz） */
-  sample_rate?: number
-  /** 音色 ID（克隆完成后分配） */
-  voice_id?: string
-  /** 其他扩展字段 */
-  [key: string]: unknown
-}
-
-/** 后端克隆档案响应 */
-export interface VoiceCloneProfile {
-  id: string
-  user_id: string
-  name: string
-  description: string
-  source_audio_url: string
-  voice_id: string | null
-  voice_model: string
-  language: string
-  gender: string
-  status: "pending" | "processing" | "ready" | "failed"
-  error_message: string | null
-  retry_count: number
-  max_retries: number
-  metadata_: VoiceCloneMetadata | null
-  created_at: string
-  updated_at: string
-}
-
-/** 后端克隆列表响应 */
-export interface ListVoiceCloneResponse {
-  items: VoiceCloneProfile[]
-  total: number
-}
-
-/** 后端克隆状态响应 */
-export interface VoiceCloneStatusResponse {
-  id: string
-  status: "pending" | "processing" | "ready" | "failed"
-  error_message: string | null
-  voice_id: string | null
-  retry_count: number
-}
-
-/** 后端创建克隆请求（完整版） */
-export interface CreateVoiceCloneRequestFull {
-  name: string
-  description?: string
-  source_audio_url: string
-  voice_model?: string
-  language?: string
-  gender?: string
-  max_retries?: number
-  metadata_?: VoiceCloneMetadata
-}
-
-/* ── 辅助函数 ─────────────────────────────────────────── */
-
-/**
- * 将后端 VoiceCloneProfile 转换为前端 VoiceClone
- * 后端 status "pending" 映射为前端 "processing"
- */
-export const toVoiceClone = (profile: VoiceCloneProfile): VoiceClone => ({
-  id: profile.id,
-  name: profile.name,
-  description: profile.description || "",
-  duration_seconds: 0,
-  status: profile.status === "pending" ? "processing" : profile.status,
-  progress: 0,
-  sample_url: profile.source_audio_url || undefined,
-  language: profile.language || "",
-  gender: profile.gender || "",
-  error_message: profile.error_message || null,
-  created_at: profile.created_at,
-  updated_at: profile.updated_at,
-})
-
-/** 格式化时长 */
-export const formatDuration = (seconds: number): string => {
-  const m = Math.floor(seconds / 60)
-  const s = seconds % 60
-  return `${m}:${String(s).padStart(2, "0")}`
-}
-
-/* ── 查询参数 ─────────────────────────────────────────── */
-
-export interface VoiceCloneListParams {
-  status?: string
-  skip?: number
-  limit?: number
-}
-
-/* ── API 函数 ─────────────────────────────────────────── */
-
-/** 获取克隆音色列表（返回前端兼容数组） */
-export const getVoiceClones = async (params?: VoiceCloneListParams): Promise<VoiceClone[]> => {
-  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<ListVoiceCloneResponse>(`/voice-clones${qs ? `?${qs}` : ""}`)
-  return response.data.items.map(toVoiceClone)
-}
-
-/** 获取克隆音色列表（返回完整响应含 total） */
-export const getVoiceClonesWithTotal = async (
-  params?: VoiceCloneListParams,
-): Promise<ListVoiceCloneResponse> => {
-  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<ListVoiceCloneResponse>(`/voice-clones${qs ? `?${qs}` : ""}`)
-  return response.data
-}
-
-/** 获取单个克隆音色详情 */
-export const getVoiceCloneDetail = async (id: string): Promise<VoiceCloneProfile> => {
-  const response = await apiClient.get<VoiceCloneProfile>(`/voice-clones/${id}`)
-  return response.data
-}
-
-/** 创建克隆音色 */
-export const createVoiceClone = async (
-  data: CreateVoiceCloneRequest,
-): Promise<VoiceCloneProfile> => {
-  const payload: CreateVoiceCloneRequestFull = {
-    name: data.name,
-    description: data.description,
-    source_audio_url: data.audio_url,
-  }
-  const response = await apiClient.post<VoiceCloneProfile>("/voice-clones", payload)
-  return response.data
-}
-
-/** 删除克隆音色 */
-export const deleteVoiceClone = async (id: string): Promise<void> => {
-  await apiClient.delete(`/voice-clones/${id}`)
-}
-
-/** 更新克隆音色名称（stub — 后端暂无 PATCH 端点） */
-export const updateVoiceClone = async (
-  id: string,
-  data: Partial<Pick<VoiceClone, "name">>,
-): Promise<VoiceClone> => {
-  // 后端暂未提供更新端点，暂用详情接口模拟
-  const response = await apiClient.get<VoiceCloneProfile>(`/voice-clones/${id}`)
-  return toVoiceClone({
-    ...response.data,
-    ...data,
-    updated_at: new Date().toISOString(),
-  })
-}
-
-/** 获取克隆状态 */
-export const getVoiceCloneStatus = async (id: string): Promise<VoiceCloneStatusResponse> => {
-  const response = await apiClient.get<VoiceCloneStatusResponse>(`/voice-clones/${id}/status`)
-  return response.data
-}
-
-/** 重试克隆 */
-export const retryVoiceClone = async (id: string): Promise<VoiceCloneProfile> => {
-  const response = await apiClient.post<VoiceCloneProfile>(`/voice-clones/${id}/retry`)
-  return response.data
-}
@@ -0,0 +1,87 @@
+/**
+ * 音色克隆 API 函数
+ */
+import apiClient from "../client"
+import { toVoiceClone } from "./utils"
+import type {
+  VoiceClone,
+  VoiceCloneProfile,
+  CreateVoiceCloneRequest,
+  CreateVoiceCloneRequestFull,
+  VoiceCloneListParams,
+  ListVoiceCloneResponse,
+  VoiceCloneStatusResponse,
+} from "./types"
+
+/** 获取克隆音色列表（返回前端兼容数组） */
+export const getVoiceClones = async (params?: VoiceCloneListParams): Promise<VoiceClone[]> => {
+  const searchParams = new URLSearchParams()
+  if (params?.status) searchParams.set("status", params.status)
+  if (params?.skip !== undefined) searchParams.set("skip", String(params.skip))
+  if (params?.limit !== undefined) searchParams.set("limit", String(params.limit))
+  const qs = searchParams.toString()
+  const response = await apiClient.get<ListVoiceCloneResponse>(`/voice-clones${qs ? `?${qs}` : ""}`)
+  return response.data.items.map(toVoiceClone)
+}
+
+/** 获取克隆音色列表（返回完整响应含 total） */
+export const getVoiceClonesWithTotal = async (
+  params?: VoiceCloneListParams,
+): Promise<ListVoiceCloneResponse> => {
+  const searchParams = new URLSearchParams()
+  if (params?.status) searchParams.set("status", params.status)
+  if (params?.skip !== undefined) searchParams.set("skip", String(params.skip))
+  if (params?.limit !== undefined) searchParams.set("limit", String(params.limit))
+  const qs = searchParams.toString()
+  const response = await apiClient.get<ListVoiceCloneResponse>(`/voice-clones${qs ? `?${qs}` : ""}`)
+  return response.data
+}
+
+/** 获取单个克隆音色详情 */
+export const getVoiceCloneDetail = async (id: string): Promise<VoiceCloneProfile> => {
+  const response = await apiClient.get<VoiceCloneProfile>(`/voice-clones/${id}`)
+  return response.data
+}
+
+/** 创建克隆音色 */
+export const createVoiceClone = async (
+  data: CreateVoiceCloneRequest,
+): Promise<VoiceCloneProfile> => {
+  const payload: CreateVoiceCloneRequestFull = {
+    name: data.name,
+    description: data.description,
+    source_audio_url: data.audio_url,
+  }
+  const response = await apiClient.post<VoiceCloneProfile>("/voice-clones", payload)
+  return response.data
+}
+
+/** 删除克隆音色 */
+export const deleteVoiceClone = async (id: string): Promise<void> => {
+  await apiClient.delete(`/voice-clones/${id}`)
+}
+
+/** 更新克隆音色名称（stub — 后端暂无 PATCH 端点） */
+export const updateVoiceClone = async (
+  id: string,
+  data: Partial<Pick<VoiceClone, "name">>,
+): Promise<VoiceClone> => {
+  const response = await apiClient.get<VoiceCloneProfile>(`/voice-clones/${id}`)
+  return toVoiceClone({
+    ...response.data,
+    ...data,
+    updated_at: new Date().toISOString(),
+  })
+}
+
+/** 获取克隆状态 */
+export const getVoiceCloneStatus = async (id: string): Promise<VoiceCloneStatusResponse> => {
+  const response = await apiClient.get<VoiceCloneStatusResponse>(`/voice-clones/${id}/status`)
+  return response.data
+}
+
+/** 重试克隆 */
+export const retryVoiceClone = async (id: string): Promise<VoiceCloneProfile> => {
+  const response = await apiClient.post<VoiceCloneProfile>(`/voice-clones/${id}/retry`)
+  return response.data
+}
@@ -0,0 +1,32 @@
+/**
+ * 音色克隆 API — 目录化入口
+ * 保持与原 voice-clone.ts 相同导出，向后兼容
+ */
+
+// 类型
+export type {
+  VoiceCloneStatus,
+  VoiceClone,
+  CreateVoiceCloneRequest,
+  VoiceCloneMetadata,
+  VoiceCloneProfile,
+  ListVoiceCloneResponse,
+  VoiceCloneStatusResponse,
+  CreateVoiceCloneRequestFull,
+  VoiceCloneListParams,
+} from "./types"
+
+// 工具函数
+export { toVoiceClone, formatDuration } from "./utils"
+
+// API 函数
+export {
+  getVoiceClones,
+  getVoiceClonesWithTotal,
+  getVoiceCloneDetail,
+  createVoiceClone,
+  deleteVoiceClone,
+  updateVoiceClone,
+  getVoiceCloneStatus,
+  retryVoiceClone,
+} from "./clones"
@@ -0,0 +1,92 @@
+/**
+ * 音色克隆类型定义
+ */
+
+/** 克隆音色状态（前端展示用） */
+export type VoiceCloneStatus = "ready" | "processing" | "failed"
+
+/** 克隆音色条目（前端展示用） */
+export interface VoiceClone {
+  id: string
+  name: string
+  description: string
+  duration_seconds: number
+  status: VoiceCloneStatus
+  /** 克隆进度 0-100，仅 processing 状态时有值 */
+  progress: number
+  sample_url?: string
+  language: string
+  gender: string
+  error_message: string | null
+  created_at: string
+  updated_at: string
+}
+
+/** 创建克隆请求（前端简化版） */
+export interface CreateVoiceCloneRequest {
+  name: string
+  audio_url: string
+  description?: string
+}
+
+/** 音色克隆元数据 */
+export interface VoiceCloneMetadata {
+  duration?: number
+  sample_rate?: number
+  voice_id?: string
+  [key: string]: unknown
+}
+
+/** 后端克隆档案响应 */
+export interface VoiceCloneProfile {
+  id: string
+  user_id: string
+  name: string
+  description: string
+  source_audio_url: string
+  voice_id: string | null
+  voice_model: string
+  language: string
+  gender: string
+  status: "pending" | "processing" | "ready" | "failed"
+  error_message: string | null
+  retry_count: number
+  max_retries: number
+  metadata_: VoiceCloneMetadata | null
+  created_at: string
+  updated_at: string
+}
+
+/** 后端克隆列表响应 */
+export interface ListVoiceCloneResponse {
+  items: VoiceCloneProfile[]
+  total: number
+}
+
+/** 后端克隆状态响应 */
+export interface VoiceCloneStatusResponse {
+  id: string
+  status: "pending" | "processing" | "ready" | "failed"
+  error_message: string | null
+  voice_id: string | null
+  retry_count: number
+}
+
+/** 后端创建克隆请求（完整版） */
+export interface CreateVoiceCloneRequestFull {
+  name: string
+  description?: string
+  source_audio_url: string
+  voice_model?: string
+  language?: string
+  gender?: string
+  max_retries?: number
+  metadata_?: VoiceCloneMetadata
+}
+
+/** 查询参数 */
+export interface VoiceCloneListParams {
+  status?: string
+  skip?: number
+  limit?: number
+}
@@ -0,0 +1,30 @@
+/**
+ * 音色克隆工具函数
+ */
+import type { VoiceCloneProfile, VoiceClone } from "./types"
+
+/**
+ * 将后端 VoiceCloneProfile 转换为前端 VoiceClone
+ * 后端 status "pending" 映射为前端 "processing"
+ */
+export const toVoiceClone = (profile: VoiceCloneProfile): VoiceClone => ({
+  id: profile.id,
+  name: profile.name,
+  description: profile.description || "",
+  duration_seconds: 0,
+  status: profile.status === "pending" ? "processing" : profile.status,
+  progress: 0,
+  sample_url: profile.source_audio_url || undefined,
+  language: profile.language || "",
+  gender: profile.gender || "",
+  error_message: profile.error_message || null,
+  created_at: profile.created_at,
+  updated_at: profile.updated_at,
+})
+
+/** 格式化时长 */
+export const formatDuration = (seconds: number): string => {
+  const m = Math.floor(seconds / 60)
+  const s = seconds % 60
+  return `${m}:${String(s).padStart(2, "0")}`
+}
@@ -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"
@@ -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
+}
@@ -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")
@@ -0,0 +1,110 @@
+import React from "react"
+import type { MediaAsset } from "@/api/template-editor"
+import { MATERIAL_TYPE_LABELS, MATERIAL_TYPE_ICONS } from "@/api/template-editor"
+import { formatSize, formatDuration, getQualityLevel } from "./utils"
+
+interface AssetCardProps {
+  asset: MediaAsset
+  isSelected: boolean
+  isDragging: boolean
+  isDragOver: boolean
+  showCheckbox: boolean
+  compact?: boolean
+  onToggleSelect: (asset: MediaAsset, shiftKey: boolean) => void
+  onCardClick: (asset: MediaAsset, e: React.MouseEvent) => void
+  onDragStart: (e: React.DragEvent) => void
+  onDragOver: (e: React.DragEvent) => void
+  onDrop: (e: React.DragEvent) => void
+  onDragEnd: () => void
+  onMouseEnter: (e: React.MouseEvent) => void
+  onMouseLeave: () => void
+}
+
+const AssetCard: React.FC<AssetCardProps> = ({
+  asset,
+  isSelected,
+  isDragging,
+  isDragOver,
+  showCheckbox,
+  onToggleSelect,
+  onCardClick,
+  onDragStart,
+  onDragOver,
+  onDrop,
+  onDragEnd,
+  onMouseEnter,
+  onMouseLeave,
+}) => {
+  const qualityLevel = getQualityLevel(asset.quality_score)
+
+  return (
+    <div
+      className={[
+        "as-card",
+        isSelected ? "selected" : "",
+        isDragging ? "dragging" : "",
+        isDragOver ? "drag-over" : "",
+        showCheckbox ? "has-checkbox" : "",
+      ]
+        .filter(Boolean)
+        .join(" ")}
+      draggable
+      onDragStart={onDragStart}
+      onDragOver={onDragOver}
+      onDrop={onDrop}
+      onDragEnd={onDragEnd}
+      onClick={(e) => onCardClick(asset, e)}
+      onMouseEnter={onMouseEnter}
+      onMouseLeave={onMouseLeave}
+    >
+      {/* 缩略图 */}
+      <div className="as-card-thumb">
+        {asset.thumbnail_url ? (
+          <img src={asset.thumbnail_url} alt={asset.name} loading="lazy" />
+        ) : (
+          <span className="as-card-thumb-icon">{MATERIAL_TYPE_ICONS[asset.type]}</span>
+        )}
+
+        {/* Checkbox */}
+        {showCheckbox && (
+          <span
+            data-checkbox
+            className={`as-card-checkbox${isSelected ? " checked" : ""}`}
+            onClick={(e) => {
+              e.stopPropagation()
+              onToggleSelect(asset, e.shiftKey)
+            }}
+          />
+        )}
+
+        {/* 类型角标 */}
+        <span className="as-card-type-badge">{MATERIAL_TYPE_LABELS[asset.type]}</span>
+
+        {/* 时长角标 */}
+        {asset.duration != null && (
+          <span className="as-card-duration">{formatDuration(asset.duration)}</span>
+        )}
+
+        {/* 质量分角标 */}
+        {asset.quality_score != null && (
+          <span
+            className={`as-card-quality ${qualityLevel}`}
+            title={`质量分: ${asset.quality_score}`}
+          >
+            {asset.quality_score}
+          </span>
+        )}
+      </div>
+
+      {/* 信息 */}
+      <div className="as-card-info">
+        <p className="as-card-name" title={asset.name}>
+          {asset.name}
+        </p>
+        <div className="as-card-meta">{formatSize(asset.size)}</div>
+      </div>
+    </div>
+  )
+}
+
+export default AssetCard
@@ -0,0 +1,99 @@
+import React from "react"
+import type { MediaAsset } from "@/api/template-editor"
+import { MATERIAL_TYPE_LABELS, MATERIAL_TYPE_ICONS } from "@/api/template-editor"
+import { formatSize, formatDuration, getQualityColor } from "./utils"
+
+interface AssetListItemProps {
+  asset: MediaAsset
+  isSelected: boolean
+  isDragging: boolean
+  isDragOver: boolean
+  showCheckbox: boolean
+  onToggleSelect: (asset: MediaAsset, shiftKey: boolean) => void
+  onCardClick: (asset: MediaAsset, e: React.MouseEvent) => void
+  onDragStart: (e: React.DragEvent) => void
+  onDragOver: (e: React.DragEvent) => void
+  onDrop: (e: React.DragEvent) => void
+  onDragEnd: () => void
+  onMouseEnter: (e: React.MouseEvent) => void
+  onMouseLeave: () => void
+}
+
+const AssetListItem: React.FC<AssetListItemProps> = ({
+  asset,
+  isSelected,
+  isDragging,
+  isDragOver,
+  showCheckbox,
+  onToggleSelect,
+  onCardClick,
+  onDragStart,
+  onDragOver,
+  onDrop,
+  onDragEnd,
+  onMouseEnter,
+  onMouseLeave,
+}) => {
+  return (
+    <div
+      className={[
+        "as-list-item",
+        isSelected ? "selected" : "",
+        isDragging ? "dragging" : "",
+        isDragOver ? "drag-over" : "",
+      ]
+        .filter(Boolean)
+        .join(" ")}
+      draggable
+      onDragStart={onDragStart}
+      onDragOver={onDragOver}
+      onDrop={onDrop}
+      onDragEnd={onDragEnd}
+      onClick={(e) => onCardClick(asset, e)}
+      onMouseEnter={onMouseEnter}
+      onMouseLeave={onMouseLeave}
+    >
+      {/* 拖拽手柄 */}
+      <span className="as-list-item-drag" title="拖拽排序">
+        ⠿
+      </span>
+
+      {/* Checkbox */}
+      {showCheckbox && (
+        <span
+          data-checkbox
+          className={`as-list-item-checkbox${isSelected ? " checked" : ""}`}
+          onClick={(e) => {
+            e.stopPropagation()
+            onToggleSelect(asset, e.shiftKey)
+          }}
+        />
+      )}
+
+      {/* 图标 */}
+      <span className="as-list-item-icon">{MATERIAL_TYPE_ICONS[asset.type]}</span>
+
+      {/* 信息 */}
+      <div className="as-list-item-info">
+        <div className="as-list-item-name">{asset.name}</div>
+        <div className="as-list-item-meta">
+          {MATERIAL_TYPE_LABELS[asset.type]}
+          {asset.duration != null && ` · ${formatDuration(asset.duration)}`}
+          {asset.size != null && ` · ${formatSize(asset.size)}`}
+        </div>
+      </div>
+
+      {/* 质量分 */}
+      {asset.quality_score != null && (
+        <span
+          className="as-list-item-quality"
+          style={{ color: getQualityColor(asset.quality_score) }}
+        >
+          {asset.quality_score}分
+        </span>
+      )}
+    </div>
+  )
+}
+
+export default AssetListItem
@@ -9,73 +9,20 @@
 * - 筛选增强：类型筛选 + 质量分筛选
 * - 视图切换：网格视图 / 列表视图
 */
-import React, { useState, useMemo, useCallback, useRef, useEffect } from "react"
+import React, { useCallback } from "react"
 import "./AssetSelector.css"
-import { Input, Select, Button } from "@/components/ui"
+import type { AssetSelectorProps } from "./types"
+import useAssetFilter from "./hooks/useAssetFilter"
+import useAssetSelection from "./hooks/useAssetSelection"
+import useDragReorder from "./hooks/useDragReorder"
+import useAssetPreview from "./hooks/useAssetPreview"
+import SelectorToolbar from "./SelectorToolbar"
+import SelectorBatchBar from "./SelectorBatchBar"
+import AssetCard from "./AssetCard"
+import AssetListItem from "./AssetListItem"
+import PreviewOverlay from "./PreviewOverlay"
+import EmptyState from "./EmptyState"
 import type { MediaAsset } from "@/api/template-editor"
-import { MATERIAL_TYPE_LABELS, MATERIAL_TYPE_ICONS, QUALITY_OPTIONS } from "@/api/template-editor"
-
-/* ──────────── 类型 ──────────── */
-
-export interface AssetSelectorProps {
-  assets: MediaAsset[]
-  selectedIds?: string[]
-  onSelectionChange?: (ids: string[]) => void
-  onAssetDragStart?: (asset: MediaAsset) => void
-  onReorder?: (fromIdx: number, toIdx: number) => void
-  showQualityFilter?: boolean
-  showBatchSelect?: boolean
-  compact?: boolean
-}
-
-type ViewMode = "grid" | "list"
-
-/* ──────────── 工具函数 ──────────── */
-
-/** 格式化文件大小 */
-const formatSize = (bytes?: number): string => {
-  if (!bytes) return ""
-  if (bytes < 1024) return `${bytes}B`
-  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)}KB`
-  return `${(bytes / (1024 * 1024)).toFixed(1)}MB`
-}
-
-/** 格式化时长 */
-const formatDuration = (seconds?: number): string => {
-  if (!seconds) return ""
-  const m = Math.floor(seconds / 60)
-  const s = Math.floor(seconds % 60)
-  return m > 0 ? `${m}:${s.toString().padStart(2, "0")}` : `${s}s`
-}
-
-/** 获取质量分等级 */
-const getQualityLevel = (score?: number): string => {
-  if (score == null) return "none"
-  if (score >= 90) return "excellent"
-  if (score >= 70) return "good"
-  if (score >= 50) return "fair"
-  return "poor"
-}
-
-/** 质量分颜色 */
-const getQualityColor = (score?: number): string => {
-  if (score == null) return "var(--text-secondary)"
-  if (score >= 90) return "var(--success-color, #10b981)"
-  if (score >= 70) return "var(--primary-color, #6366f1)"
-  if (score >= 50) return "var(--warning-color, #f59e0b)"
-  return "var(--error-color, #ef4444)"
-}
-
-/* ──────────── 类型筛选选项 ──────────── */
-
-const TYPE_OPTIONS = [
-  { value: "", label: "全部类型" },
-  { value: "video", label: "🎬 视频" },
-  { value: "image", label: "🖼️ 图片" },
-  { value: "audio", label: "🎵 音频" },
-]
-
-/* ──────────── 组件 ──────────── */

 const AssetSelector: React.FC<AssetSelectorProps> = ({
  assets,
@@ -87,162 +34,41 @@ const AssetSelector: React.FC<AssetSelectorProps> = ({
  showBatchSelect = true,
  compact = false,
 }) => {
-  /* ── 搜索 & 筛选 ── */
-  const [searchText, setSearchText] = useState("")
-  const [filterType, setFilterType] = useState("")
-  const [filterQuality, setFilterQuality] = useState("")
-  const [viewMode, setViewMode] = useState<ViewMode>("grid")
+  // 搜索 & 筛选
+  const {
+    searchText,
+    filterType,
+    filterQuality,
+    viewMode,
+    filteredAssets,
+    setSearchText,
+    setFilterType,
+    setFilterQuality,
+    setViewMode,
+  } = useAssetFilter(assets)

-  /* ── 拖拽状态 ── */
-  const [dragIdx, setDragIdx] = useState<number | null>(null)
-  const [dragOverIdx, setDragOverIdx] = useState<number | null>(null)
+  // 选中操作
+  const { selectedSet, toggleSelect, clearSelection } = useAssetSelection({
+    filteredAssets,
+    selectedIds,
+    onSelectionChange,
+  })

-  /* ── 悬浮预览 ── */
-  const [previewAsset, setPreviewAsset] = useState<MediaAsset | null>(null)
-  const [previewPos, setPreviewPos] = useState({ x: 0, y: 0 })
-  const previewTimer = useRef<ReturnType<typeof setTimeout> | null>(null)
+  // 拖拽排序
+  const { dragIdx, dragOverIdx, handleDragStart, handleDragOver, handleDrop, handleDragEnd } =
+    useDragReorder({
+      filteredAssets,
+      selectedIds,
+      onAssetDragStart,
+      onReorder,
+    })

-  /* ── Shift 连选 ── */
-  const lastClickedIdx = useRef<number | null>(null)
-
-  /* ── 过滤后的素材列表 ── */
-  const filteredAssets = useMemo(() => {
-    let list = assets
-    if (searchText) {
-      const q = searchText.toLowerCase()
-      list = list.filter(
-        (a) => a.name.toLowerCase().includes(q) || a.tags.some((t) => t.toLowerCase().includes(q)),
-      )
-    }
-    if (filterType) {
-      list = list.filter((a) => a.type === filterType)
-    }
-    if (filterQuality) {
-      const opt = QUALITY_OPTIONS.find((o) => o.value === filterQuality)
-      if (opt?.min != null && opt?.max != null) {
-        list = list.filter(
-          (a) =>
-            a.quality_score != null && a.quality_score >= opt.min! && a.quality_score <= opt.max!,
-        )
-      }
-    }
-    return list
-  }, [assets, searchText, filterType, filterQuality])
-
-  /* ── 选中状态 ── */
-  const selectedSet = useMemo(() => new Set(selectedIds), [selectedIds])
-
-  /* ── 选择操作 ── */
-  const toggleSelect = useCallback(
-    (asset: MediaAsset, idx: number, shiftKey: boolean) => {
-      if (!onSelectionChange) return
-
-      if (shiftKey && lastClickedIdx.current !== null) {
-        // Shift 连选
-        const start = Math.min(lastClickedIdx.current, idx)
-        const end = Math.max(lastClickedIdx.current, idx)
-        const rangeIds = filteredAssets.slice(start, end + 1).map((a) => a.id)
-        const newSet = new Set(selectedIds)
-        rangeIds.forEach((id) => newSet.add(id))
-        onSelectionChange(Array.from(newSet))
-      } else {
-        const newSet = new Set(selectedIds)
-        if (newSet.has(asset.id)) {
-          newSet.delete(asset.id)
-        } else {
-          newSet.add(asset.id)
-        }
-        onSelectionChange(Array.from(newSet))
-      }
-      lastClickedIdx.current = idx
-    },
-    [onSelectionChange, selectedIds, filteredAssets],
-  )
-
-  const clearSelection = useCallback(() => {
-    onSelectionChange?.([])
-  }, [onSelectionChange])
-
-  /* ── 拖拽排序 ── */
-  const handleDragStart = useCallback(
-    (e: React.DragEvent, idx: number) => {
-      setDragIdx(idx)
-      e.dataTransfer.effectAllowed = "move"
-      e.dataTransfer.setData("text/plain", String(idx))
-      // 设置素材数据，供 TimelinePanel 接收（P1-2 修复）
-      e.dataTransfer.setData("application/x-media-asset", JSON.stringify(filteredAssets[idx]))
-      // 批量拖拽：如果有多个选中素材，一起携带
-      if (selectedIds.length > 1 && selectedIds.includes(filteredAssets[idx].id)) {
-        const batchAssets = filteredAssets.filter((a) => selectedIds.includes(a.id))
-        e.dataTransfer.setData("application/x-media-assets", JSON.stringify(batchAssets))
-      }
-      // 通知父组件素材拖拽开始
-      if (onAssetDragStart) {
-        onAssetDragStart(filteredAssets[idx])
-      }
-    },
-    [filteredAssets, selectedIds, onAssetDragStart],
-  )
-
-  const handleDragOver = useCallback(
-    (e: React.DragEvent, idx: number) => {
-      e.preventDefault()
-      e.dataTransfer.dropEffect = "move"
-      if (dragIdx === null || dragIdx === idx) return
-      setDragOverIdx(idx)
-    },
-    [dragIdx],
-  )
-
-  const handleDrop = useCallback(
-    (e: React.DragEvent, toIdx: number) => {
-      e.preventDefault()
-      if (dragIdx !== null && dragIdx !== toIdx && onReorder) {
-        onReorder(dragIdx, toIdx)
-      }
-      setDragIdx(null)
-      setDragOverIdx(null)
-    },
-    [dragIdx, onReorder],
-  )
-
-  const handleDragEnd = useCallback(() => {
-    setDragIdx(null)
-    setDragOverIdx(null)
-  }, [])
-
-  /* ── 悬浮预览 ── */
-  const handleMouseEnter = useCallback((asset: MediaAsset, e: React.MouseEvent) => {
-    if (previewTimer.current) clearTimeout(previewTimer.current)
-    previewTimer.current = setTimeout(() => {
-      const rect = (e.currentTarget as HTMLElement).getBoundingClientRect()
-      setPreviewAsset(asset)
-      setPreviewPos({
-        x: rect.right + 12,
-        y: Math.max(8, rect.top - 20),
-      })
-    }, 400)
-  }, [])
-
-  const handleMouseLeave = useCallback(() => {
-    if (previewTimer.current) {
-      clearTimeout(previewTimer.current)
-      previewTimer.current = null
-    }
-    setPreviewAsset(null)
-  }, [])
-
-  // 清理定时器
-  useEffect(() => {
-    return () => {
-      if (previewTimer.current) clearTimeout(previewTimer.current)
-    }
-  }, [])
+  // 悬浮预览
+  const { previewAsset, previewPos, handleMouseEnter, handleMouseLeave } = useAssetPreview()

  /* ── 点击卡片 ── */
  const handleCardClick = useCallback(
    (asset: MediaAsset, idx: number, e: React.MouseEvent) => {
-      // 如果点击的是 checkbox 区域，不触发卡片点击
      const target = e.target as HTMLElement
      if (target.closest("[data-checkbox]")) return
      toggleSelect(asset, idx, e.shiftKey)
@@ -250,253 +76,82 @@ const AssetSelector: React.FC<AssetSelectorProps> = ({
    [toggleSelect],
  )

-  /* ──────────── 渲染 ──────────── */
-
  const hasSelection = selectedIds.length > 0

  return (
    <div className="as-container">
-      {/* ═══ 工具栏 ═══ */}
-      <div className="as-toolbar">
-        <div className="as-toolbar-left">
-          <div className="as-search">
-            <Input
-              placeholder="搜索素材..."
-              value={searchText}
-              onChange={(e) => setSearchText(e.target.value)}
-              prefix="🔍"
-            />
-          </div>
-          <Select
-            value={filterType}
-            onChange={(v: string) => setFilterType(v)}
-            options={TYPE_OPTIONS}
-          />
-          {showQualityFilter && (
-            <Select
-              value={filterQuality}
-              onChange={(v: string) => setFilterQuality(v)}
-              options={QUALITY_OPTIONS}
-            />
-          )}
-        </div>
-        <div className="as-toolbar-right">
-          <button
-            className={`as-view-btn${viewMode === "grid" ? " active" : ""}`}
-            onClick={() => setViewMode("grid")}
-            title="网格视图"
-          >
-            ⊞
-          </button>
-          <button
-            className={`as-view-btn${viewMode === "list" ? " active" : ""}`}
-            onClick={() => setViewMode("list")}
-            title="列表视图"
-          >
-            ☰
-          </button>
-        </div>
-      </div>
+      {/* 工具栏 */}
+      <SelectorToolbar
+        searchText={searchText}
+        filterType={filterType}
+        filterQuality={filterQuality}
+        viewMode={viewMode}
+        showQualityFilter={showQualityFilter}
+        onSearchChange={setSearchText}
+        onTypeChange={setFilterType}
+        onQualityChange={setFilterQuality}
+        onViewModeChange={setViewMode}
+      />

-      {/* ═══ 批量操作栏 ═══ */}
+      {/* 批量操作栏 */}
      {showBatchSelect && hasSelection && (
-        <div className="as-batch-bar">
-          <span className="as-batch-bar-count">已选 {selectedIds.length} 项</span>
-          <div className="as-batch-bar-actions">
-            <Button buttonType="ghost" buttonSize="sm" onClick={clearSelection}>
-              取消选择
-            </Button>
-          </div>
-        </div>
+        <SelectorBatchBar selectedCount={selectedIds.length} onClear={clearSelection} />
      )}

-      {/* ═══ 素材列表 ═══ */}
+      {/* 素材列表 */}
      <div className="as-body">
        {filteredAssets.length === 0 ? (
-          <div className="as-empty">
-            <div className="as-empty-icon">📂</div>
-            <p>暂无素材</p>
-          </div>
+          <EmptyState />
        ) : viewMode === "grid" ? (
-          /* ── 网格视图 ── */
+          /* 网格视图 */
          <div className={`as-grid${compact ? " compact" : ""}`}>
-            {filteredAssets.map((asset, idx) => {
-              const isSelected = selectedSet.has(asset.id)
-              const isDragging = dragIdx === idx
-              const isDragOver = dragOverIdx === idx
-              const qualityLevel = getQualityLevel(asset.quality_score)
-
-              return (
-                <div
-                  key={asset.id}
-                  className={[
-                    "as-card",
-                    isSelected ? "selected" : "",
-                    isDragging ? "dragging" : "",
-                    isDragOver ? "drag-over" : "",
-                    showBatchSelect ? "has-checkbox" : "",
-                  ]
-                    .filter(Boolean)
-                    .join(" ")}
-                  draggable
-                  onDragStart={(e) => handleDragStart(e, idx)}
-                  onDragOver={(e) => handleDragOver(e, idx)}
-                  onDrop={(e) => handleDrop(e, idx)}
-                  onDragEnd={handleDragEnd}
-                  onClick={(e) => handleCardClick(asset, idx, e)}
-                  onMouseEnter={(e) => handleMouseEnter(asset, e)}
-                  onMouseLeave={handleMouseLeave}
-                >
-                  {/* 缩略图 */}
-                  <div className="as-card-thumb">
-                    {asset.thumbnail_url ? (
-                      <img src={asset.thumbnail_url} alt={asset.name} loading="lazy" />
-                    ) : (
-                      <span className="as-card-thumb-icon">{MATERIAL_TYPE_ICONS[asset.type]}</span>
-                    )}
-
-                    {/* Checkbox */}
-                    {showBatchSelect && (
-                      <span
-                        data-checkbox
-                        className={`as-card-checkbox${isSelected ? " checked" : ""}`}
-                        onClick={(e) => {
-                          e.stopPropagation()
-                          toggleSelect(asset, idx, e.shiftKey)
-                        }}
-                      />
-                    )}
-
-                    {/* 类型角标 */}
-                    <span className="as-card-type-badge">{MATERIAL_TYPE_LABELS[asset.type]}</span>
-
-                    {/* 时长角标 */}
-                    {asset.duration != null && (
-                      <span className="as-card-duration">{formatDuration(asset.duration)}</span>
-                    )}
-
-                    {/* 质量分角标 */}
-                    {asset.quality_score != null && (
-                      <span
-                        className={`as-card-quality ${qualityLevel}`}
-                        title={`质量分: ${asset.quality_score}`}
-                      >
-                        {asset.quality_score}
-                      </span>
-                    )}
-                  </div>
-
-                  {/* 信息 */}
-                  <div className="as-card-info">
-                    <p className="as-card-name" title={asset.name}>
-                      {asset.name}
-                    </p>
-                    <div className="as-card-meta">{formatSize(asset.size)}</div>
-                  </div>
-                </div>
-              )
-            })}
+            {filteredAssets.map((asset, idx) => (
+              <AssetCard
+                key={asset.id}
+                asset={asset}
+                isSelected={selectedSet.has(asset.id)}
+                isDragging={dragIdx === idx}
+                isDragOver={dragOverIdx === idx}
+                showCheckbox={showBatchSelect}
+                compact={compact}
+                onToggleSelect={(a, shiftKey) => toggleSelect(a, idx, shiftKey)}
+                onCardClick={(a, e) => handleCardClick(a, idx, e)}
+                onDragStart={(e) => handleDragStart(e, idx)}
+                onDragOver={(e) => handleDragOver(e, idx)}
+                onDrop={(e) => handleDrop(e, idx)}
+                onDragEnd={handleDragEnd}
+                onMouseEnter={(e) => handleMouseEnter(asset, e)}
+                onMouseLeave={handleMouseLeave}
+              />
+            ))}
          </div>
        ) : (
-          /* ── 列表视图 ── */
+          /* 列表视图 */
          <div className="as-list">
-            {filteredAssets.map((asset, idx) => {
-              const isSelected = selectedSet.has(asset.id)
-              const isDragging = dragIdx === idx
-              const isDragOver = dragOverIdx === idx
-
-              return (
-                <div
-                  key={asset.id}
-                  className={[
-                    "as-list-item",
-                    isSelected ? "selected" : "",
-                    isDragging ? "dragging" : "",
-                    isDragOver ? "drag-over" : "",
-                  ]
-                    .filter(Boolean)
-                    .join(" ")}
-                  draggable
-                  onDragStart={(e) => handleDragStart(e, idx)}
-                  onDragOver={(e) => handleDragOver(e, idx)}
-                  onDrop={(e) => handleDrop(e, idx)}
-                  onDragEnd={handleDragEnd}
-                  onClick={(e) => handleCardClick(asset, idx, e)}
-                  onMouseEnter={(e) => handleMouseEnter(asset, e)}
-                  onMouseLeave={handleMouseLeave}
-                >
-                  {/* 拖拽手柄 */}
-                  <span className="as-list-item-drag" title="拖拽排序">
-                    ⠿
-                  </span>
-
-                  {/* Checkbox */}
-                  {showBatchSelect && (
-                    <span
-                      data-checkbox
-                      className={`as-list-item-checkbox${isSelected ? " checked" : ""}`}
-                      onClick={(e) => {
-                        e.stopPropagation()
-                        toggleSelect(asset, idx, e.shiftKey)
-                      }}
-                    />
-                  )}
-
-                  {/* 图标 */}
-                  <span className="as-list-item-icon">{MATERIAL_TYPE_ICONS[asset.type]}</span>
-
-                  {/* 信息 */}
-                  <div className="as-list-item-info">
-                    <div className="as-list-item-name">{asset.name}</div>
-                    <div className="as-list-item-meta">
-                      {MATERIAL_TYPE_LABELS[asset.type]}
-                      {asset.duration != null && ` · ${formatDuration(asset.duration)}`}
-                      {asset.size != null && ` · ${formatSize(asset.size)}`}
-                    </div>
-                  </div>
-
-                  {/* 质量分 */}
-                  {asset.quality_score != null && (
-                    <span
-                      className="as-list-item-quality"
-                      style={{ color: getQualityColor(asset.quality_score) }}
-                    >
-                      {asset.quality_score}分
-                    </span>
-                  )}
-                </div>
-              )
-            })}
+            {filteredAssets.map((asset, idx) => (
+              <AssetListItem
+                key={asset.id}
+                asset={asset}
+                isSelected={selectedSet.has(asset.id)}
+                isDragging={dragIdx === idx}
+                isDragOver={dragOverIdx === idx}
+                showCheckbox={showBatchSelect}
+                onToggleSelect={(a, shiftKey) => toggleSelect(a, idx, shiftKey)}
+                onCardClick={(a, e) => handleCardClick(a, idx, e)}
+                onDragStart={(e) => handleDragStart(e, idx)}
+                onDragOver={(e) => handleDragOver(e, idx)}
+                onDrop={(e) => handleDrop(e, idx)}
+                onDragEnd={handleDragEnd}
+                onMouseEnter={(e) => handleMouseEnter(asset, e)}
+                onMouseLeave={handleMouseLeave}
+              />
+            ))}
          </div>
        )}
      </div>

-      {/* ═══ 悬浮预览 ═══ */}
-      {previewAsset && (
-        <div className="as-preview-overlay" style={{ left: previewPos.x, top: previewPos.y }}>
-          <div className="as-preview-overlay-thumb">
-            {previewAsset.thumbnail_url ? (
-              <img src={previewAsset.thumbnail_url} alt={previewAsset.name} />
-            ) : (
-              <span className="as-preview-overlay-thumb-icon">
-                {MATERIAL_TYPE_ICONS[previewAsset.type]}
-              </span>
-            )}
-          </div>
-          <p className="as-preview-overlay-name">{previewAsset.name}</p>
-          <div className="as-preview-overlay-meta">
-            <span>类型: {MATERIAL_TYPE_LABELS[previewAsset.type]}</span>
-            {previewAsset.duration != null && (
-              <span>时长: {formatDuration(previewAsset.duration)}</span>
-            )}
-            {previewAsset.size != null && <span>大小: {formatSize(previewAsset.size)}</span>}
-            {previewAsset.quality_score != null && (
-              <span>质量分: {previewAsset.quality_score}</span>
-            )}
-            {previewAsset.tags.length > 0 && <span>标签: {previewAsset.tags.join(", ")}</span>}
-          </div>
-        </div>
-      )}
+      {/* 悬浮预览 */}
+      {previewAsset && <PreviewOverlay asset={previewAsset} position={previewPos} />}
    </div>
  )
 }
@@ -0,0 +1,12 @@
+import React from "react"
+
+const EmptyState: React.FC = () => {
+  return (
+    <div className="as-empty">
+      <div className="as-empty-icon">📂</div>
+      <p>暂无素材</p>
+    </div>
+  )
+}
+
+export default EmptyState
@@ -0,0 +1,33 @@
+import React from "react"
+import type { MediaAsset } from "@/api/template-editor"
+import { MATERIAL_TYPE_LABELS, MATERIAL_TYPE_ICONS } from "@/api/template-editor"
+import { formatSize, formatDuration } from "./utils"
+
+interface PreviewOverlayProps {
+  asset: MediaAsset
+  position: { x: number; y: number }
+}
+
+const PreviewOverlay: React.FC<PreviewOverlayProps> = ({ asset, position }) => {
+  return (
+    <div className="as-preview-overlay" style={{ left: position.x, top: position.y }}>
+      <div className="as-preview-overlay-thumb">
+        {asset.thumbnail_url ? (
+          <img src={asset.thumbnail_url} alt={asset.name} />
+        ) : (
+          <span className="as-preview-overlay-thumb-icon">{MATERIAL_TYPE_ICONS[asset.type]}</span>
+        )}
+      </div>
+      <p className="as-preview-overlay-name">{asset.name}</p>
+      <div className="as-preview-overlay-meta">
+        <span>类型: {MATERIAL_TYPE_LABELS[asset.type]}</span>
+        {asset.duration != null && <span>时长: {formatDuration(asset.duration)}</span>}
+        {asset.size != null && <span>大小: {formatSize(asset.size)}</span>}
+        {asset.quality_score != null && <span>质量分: {asset.quality_score}</span>}
+        {asset.tags.length > 0 && <span>标签: {asset.tags.join(", ")}</span>}
+      </div>
+    </div>
+  )
+}
+
+export default PreviewOverlay
@@ -0,0 +1,22 @@
+import React from "react"
+import { Button } from "@/components/ui"
+
+interface SelectorBatchBarProps {
+  selectedCount: number
+  onClear: () => void
+}
+
+const SelectorBatchBar: React.FC<SelectorBatchBarProps> = ({ selectedCount, onClear }) => {
+  return (
+    <div className="as-batch-bar">
+      <span className="as-batch-bar-count">已选 {selectedCount} 项</span>
+      <div className="as-batch-bar-actions">
+        <Button buttonType="ghost" buttonSize="sm" onClick={onClear}>
+          取消选择
+        </Button>
+      </div>
+    </div>
+  )
+}
+
+export default SelectorBatchBar
@@ -0,0 +1,74 @@
+import React from "react"
+import { Input, Select } from "@/components/ui"
+import { TYPE_OPTIONS } from "./constants"
+import { QUALITY_OPTIONS } from "@/api/template-editor"
+import type { ViewMode } from "./types"
+
+interface SelectorToolbarProps {
+  searchText: string
+  filterType: string
+  filterQuality: string
+  viewMode: ViewMode
+  showQualityFilter: boolean
+  onSearchChange: (value: string) => void
+  onTypeChange: (value: string) => void
+  onQualityChange: (value: string) => void
+  onViewModeChange: (mode: ViewMode) => void
+}
+
+const SelectorToolbar: React.FC<SelectorToolbarProps> = ({
+  searchText,
+  filterType,
+  filterQuality,
+  viewMode,
+  showQualityFilter,
+  onSearchChange,
+  onTypeChange,
+  onQualityChange,
+  onViewModeChange,
+}) => {
+  return (
+    <div className="as-toolbar">
+      <div className="as-toolbar-left">
+        <div className="as-search">
+          <Input
+            placeholder="搜索素材..."
+            value={searchText}
+            onChange={(e) => onSearchChange(e.target.value)}
+            prefix="🔍"
+          />
+        </div>
+        <Select
+          value={filterType}
+          onChange={(v: string) => onTypeChange(v)}
+          options={TYPE_OPTIONS}
+        />
+        {showQualityFilter && (
+          <Select
+            value={filterQuality}
+            onChange={(v: string) => onQualityChange(v)}
+            options={QUALITY_OPTIONS}
+          />
+        )}
+      </div>
+      <div className="as-toolbar-right">
+        <button
+          className={`as-view-btn${viewMode === "grid" ? " active" : ""}`}
+          onClick={() => onViewModeChange("grid")}
+          title="网格视图"
+        >
+          ⊞
+        </button>
+        <button
+          className={`as-view-btn${viewMode === "list" ? " active" : ""}`}
+          onClick={() => onViewModeChange("list")}
+          title="列表视图"
+        >
+          ☰
+        </button>
+      </div>
+    </div>
+  )
+}
+
+export default SelectorToolbar
@@ -0,0 +1,7 @@
+/** 类型筛选选项 */
+export const TYPE_OPTIONS = [
+  { value: "", label: "全部类型" },
+  { value: "video", label: "🎬 视频" },
+  { value: "image", label: "🖼️ 图片" },
+  { value: "audio", label: "🎵 音频" },
+]
@@ -0,0 +1,63 @@
+import { useState, useMemo } from "react"
+import type { MediaAsset } from "@/api/template-editor"
+import { QUALITY_OPTIONS } from "@/api/template-editor"
+import type { ViewMode } from "../types"
+
+interface UseAssetFilterReturn {
+  searchText: string
+  filterType: string
+  filterQuality: string
+  viewMode: ViewMode
+  filteredAssets: MediaAsset[]
+  setSearchText: (value: string) => void
+  setFilterType: (value: string) => void
+  setFilterQuality: (value: string) => void
+  setViewMode: (mode: ViewMode) => void
+}
+
+/**
+ * 素材筛选 Hook —— 搜索 + 类型 + 质量分 + 视图切换
+ */
+const useAssetFilter = (assets: MediaAsset[]): UseAssetFilterReturn => {
+  const [searchText, setSearchText] = useState("")
+  const [filterType, setFilterType] = useState("")
+  const [filterQuality, setFilterQuality] = useState("")
+  const [viewMode, setViewMode] = useState<ViewMode>("grid")
+
+  const filteredAssets = useMemo(() => {
+    let list = assets
+    if (searchText) {
+      const q = searchText.toLowerCase()
+      list = list.filter(
+        (a) => a.name.toLowerCase().includes(q) || a.tags.some((t) => t.toLowerCase().includes(q)),
+      )
+    }
+    if (filterType) {
+      list = list.filter((a) => a.type === filterType)
+    }
+    if (filterQuality) {
+      const opt = QUALITY_OPTIONS.find((o) => o.value === filterQuality)
+      if (opt?.min != null && opt?.max != null) {
+        list = list.filter(
+          (a) =>
+            a.quality_score != null && a.quality_score >= opt.min! && a.quality_score <= opt.max!,
+        )
+      }
+    }
+    return list
+  }, [assets, searchText, filterType, filterQuality])
+
+  return {
+    searchText,
+    filterType,
+    filterQuality,
+    viewMode,
+    filteredAssets,
+    setSearchText,
+    setFilterType,
+    setFilterQuality,
+    setViewMode,
+  }
+}
+
+export default useAssetFilter
@@ -0,0 +1,54 @@
+import { useState, useRef, useCallback, useEffect } from "react"
+import type { MediaAsset } from "@/api/template-editor"
+
+interface UseAssetPreviewReturn {
+  previewAsset: MediaAsset | null
+  previewPos: { x: number; y: number }
+  handleMouseEnter: (asset: MediaAsset, e: React.MouseEvent) => void
+  handleMouseLeave: () => void
+}
+
+/**
+ * 悬浮预览 Hook —— 延迟 400ms 显示预览浮层
+ */
+const useAssetPreview = (): UseAssetPreviewReturn => {
+  const [previewAsset, setPreviewAsset] = useState<MediaAsset | null>(null)
+  const [previewPos, setPreviewPos] = useState({ x: 0, y: 0 })
+  const previewTimer = useRef<ReturnType<typeof setTimeout> | null>(null)
+
+  const handleMouseEnter = useCallback((asset: MediaAsset, e: React.MouseEvent) => {
+    if (previewTimer.current) clearTimeout(previewTimer.current)
+    previewTimer.current = setTimeout(() => {
+      const rect = (e.currentTarget as HTMLElement).getBoundingClientRect()
+      setPreviewAsset(asset)
+      setPreviewPos({
+        x: rect.right + 12,
+        y: Math.max(8, rect.top - 20),
+      })
+    }, 400)
+  }, [])
+
+  const handleMouseLeave = useCallback(() => {
+    if (previewTimer.current) {
+      clearTimeout(previewTimer.current)
+      previewTimer.current = null
+    }
+    setPreviewAsset(null)
+  }, [])
+
+  // 清理定时器
+  useEffect(() => {
+    return () => {
+      if (previewTimer.current) clearTimeout(previewTimer.current)
+    }
+  }, [])
+
+  return {
+    previewAsset,
+    previewPos,
+    handleMouseEnter,
+    handleMouseLeave,
+  }
+}
+
+export default useAssetPreview
@@ -0,0 +1,65 @@
+import { useCallback, useRef, useMemo } from "react"
+import type { MediaAsset } from "@/api/template-editor"
+
+interface UseAssetSelectionOptions {
+  filteredAssets: MediaAsset[]
+  selectedIds: string[]
+  onSelectionChange?: (ids: string[]) => void
+}
+
+interface UseAssetSelectionReturn {
+  selectedSet: Set<string>
+  toggleSelect: (asset: MediaAsset, idx: number, shiftKey: boolean) => void
+  clearSelection: () => void
+}
+
+/**
+ * 素材选择 Hook —— 单选/多选/Shift 连选
+ */
+const useAssetSelection = ({
+  filteredAssets,
+  selectedIds,
+  onSelectionChange,
+}: UseAssetSelectionOptions): UseAssetSelectionReturn => {
+  const lastClickedIdx = useRef<number | null>(null)
+
+  const selectedSet = useMemo(() => new Set(selectedIds), [selectedIds])
+
+  const toggleSelect = useCallback(
+    (asset: MediaAsset, idx: number, shiftKey: boolean) => {
+      if (!onSelectionChange) return
+
+      if (shiftKey && lastClickedIdx.current !== null) {
+        // Shift 连选
+        const start = Math.min(lastClickedIdx.current, idx)
+        const end = Math.max(lastClickedIdx.current, idx)
+        const rangeIds = filteredAssets.slice(start, end + 1).map((a) => a.id)
+        const newSet = new Set(selectedIds)
+        rangeIds.forEach((id) => newSet.add(id))
+        onSelectionChange(Array.from(newSet))
+      } else {
+        const newSet = new Set(selectedIds)
+        if (newSet.has(asset.id)) {
+          newSet.delete(asset.id)
+        } else {
+          newSet.add(asset.id)
+        }
+        onSelectionChange(Array.from(newSet))
+      }
+      lastClickedIdx.current = idx
+    },
+    [onSelectionChange, selectedIds, filteredAssets],
+  )
+
+  const clearSelection = useCallback(() => {
+    onSelectionChange?.([])
+  }, [onSelectionChange])
+
+  return {
+    selectedSet,
+    toggleSelect,
+    clearSelection,
+  }
+}
+
+export default useAssetSelection
@@ -0,0 +1,89 @@
+import { useState, useCallback } from "react"
+import type { MediaAsset } from "@/api/template-editor"
+
+interface UseDragReorderOptions {
+  filteredAssets: MediaAsset[]
+  selectedIds: string[]
+  onAssetDragStart?: (asset: MediaAsset) => void
+  onReorder?: (fromIdx: number, toIdx: number) => void
+}
+
+interface UseDragReorderReturn {
+  dragIdx: number | null
+  dragOverIdx: number | null
+  handleDragStart: (e: React.DragEvent, idx: number) => void
+  handleDragOver: (e: React.DragEvent, idx: number) => void
+  handleDrop: (e: React.DragEvent, toIdx: number) => void
+  handleDragEnd: () => void
+}
+
+/**
+ * 拖拽排序 Hook —— HTML5 DnD，支持批量拖拽携带数据
+ */
+const useDragReorder = ({
+  filteredAssets,
+  selectedIds,
+  onAssetDragStart,
+  onReorder,
+}: UseDragReorderOptions): UseDragReorderReturn => {
+  const [dragIdx, setDragIdx] = useState<number | null>(null)
+  const [dragOverIdx, setDragOverIdx] = useState<number | null>(null)
+
+  const handleDragStart = useCallback(
+    (e: React.DragEvent, idx: number) => {
+      setDragIdx(idx)
+      e.dataTransfer.effectAllowed = "move"
+      e.dataTransfer.setData("text/plain", String(idx))
+      // 设置素材数据，供 TimelinePanel 接收
+      e.dataTransfer.setData("application/x-media-asset", JSON.stringify(filteredAssets[idx]))
+      // 批量拖拽：如果有多个选中素材，一起携带
+      if (selectedIds.length > 1 && selectedIds.includes(filteredAssets[idx].id)) {
+        const batchAssets = filteredAssets.filter((a) => selectedIds.includes(a.id))
+        e.dataTransfer.setData("application/x-media-assets", JSON.stringify(batchAssets))
+      }
+      // 通知父组件素材拖拽开始
+      if (onAssetDragStart) {
+        onAssetDragStart(filteredAssets[idx])
+      }
+    },
+    [filteredAssets, selectedIds, onAssetDragStart],
+  )
+
+  const handleDragOver = useCallback(
+    (e: React.DragEvent, idx: number) => {
+      e.preventDefault()
+      e.dataTransfer.dropEffect = "move"
+      if (dragIdx === null || dragIdx === idx) return
+      setDragOverIdx(idx)
+    },
+    [dragIdx],
+  )
+
+  const handleDrop = useCallback(
+    (e: React.DragEvent, toIdx: number) => {
+      e.preventDefault()
+      if (dragIdx !== null && dragIdx !== toIdx && onReorder) {
+        onReorder(dragIdx, toIdx)
+      }
+      setDragIdx(null)
+      setDragOverIdx(null)
+    },
+    [dragIdx, onReorder],
+  )
+
+  const handleDragEnd = useCallback(() => {
+    setDragIdx(null)
+    setDragOverIdx(null)
+  }, [])
+
+  return {
+    dragIdx,
+    dragOverIdx,
+    handleDragStart,
+    handleDragOver,
+    handleDrop,
+    handleDragEnd,
+  }
+}
+
+export default useDragReorder
@@ -1,2 +1,2 @@
 export { default as AssetSelector } from "./AssetSelector"
-export type { AssetSelectorProps } from "./AssetSelector"
+export type { AssetSelectorProps, ViewMode } from "./types"
@@ -0,0 +1,14 @@
+import type { MediaAsset } from "@/api/template-editor"
+
+export interface AssetSelectorProps {
+  assets: MediaAsset[]
+  selectedIds?: string[]
+  onSelectionChange?: (ids: string[]) => void
+  onAssetDragStart?: (asset: MediaAsset) => void
+  onReorder?: (fromIdx: number, toIdx: number) => void
+  showQualityFilter?: boolean
+  showBatchSelect?: boolean
+  compact?: boolean
+}
+
+export type ViewMode = "grid" | "list"
@@ -0,0 +1,33 @@
+/** 格式化文件大小 */
+export const formatSize = (bytes?: number): string => {
+  if (!bytes) return ""
+  if (bytes < 1024) return `${bytes}B`
+  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)}KB`
+  return `${(bytes / (1024 * 1024)).toFixed(1)}MB`
+}
+
+/** 格式化时长 */
+export const formatDuration = (seconds?: number): string => {
+  if (!seconds) return ""
+  const m = Math.floor(seconds / 60)
+  const s = Math.floor(seconds % 60)
+  return m > 0 ? `${m}:${s.toString().padStart(2, "0")}` : `${s}s`
+}
+
+/** 获取质量分等级 */
+export const getQualityLevel = (score?: number): string => {
+  if (score == null) return "none"
+  if (score >= 90) return "excellent"
+  if (score >= 70) return "good"
+  if (score >= 50) return "fair"
+  return "poor"
+}
+
+/** 质量分颜色 */
+export const getQualityColor = (score?: number): string => {
+  if (score == null) return "var(--text-secondary)"
+  if (score >= 90) return "var(--success-color, #10b981)"
+  if (score >= 70) return "var(--primary-color, #6366f1)"
+  if (score >= 50) return "var(--warning-color, #f59e0b)"
+  return "var(--error-color, #ef4444)"
+}
--- a/Show More
+++ b/Show More