22

2026-05-17 12:54:13 +08:00
parent 1b8ca10ec9
commit 3db327d93b
38 changed files with 2820 additions and 14 deletions
--- a/.env.example
+++ b/.env.example
@@ -17,3 +17,7 @@ ACCESS_TOKEN_EXPIRE_MINUTES=10080

 # CORS（逗号分隔，* 表示允许全部）
 CORS_ORIGINS=http://localhost:1420,tauri://localhost
+
+# 桌面端配置写入 MySQL 表 desktop_configs（name / value），非本文件环境变量。
+# 登录后 GET /api/v1/appConfig 返回全部键值；Tauri 注入 Node 环境变量 AICLIENT_CFG_<NAME>。
+# 示例键名：LLM_API_KEY、LLM_API_URL、LLM_MODEL_ID、ASR_MODE、DASHSCOPE_API_KEY、OSS_CONFIG（JSON）等。
--- a/alembic/env.py
+++ b/alembic/env.py
@@ -8,7 +8,7 @@ from sqlalchemy.ext.asyncio import async_engine_from_config

 from app.config import get_settings
 from app.database import Base
-from app.models import User  # noqa: F401 — 注册元数据
+from app.models import CardKey, DesktopConfig, User  # noqa: F401 — 注册元数据

 config = context.config
 settings = get_settings()
--- a/alembic/versions/002_create_desktop_configs_table.py
+++ b/alembic/versions/002_create_desktop_configs_table.py
@@ -0,0 +1,44 @@
+"""create desktop_configs table
+
+Revision ID: 002
+Revises: 001
+Create Date: 2026-05-16
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "002"
+down_revision: Union[str, None] = "001"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "desktop_configs",
+        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column("name", sa.String(length=64), nullable=False),
+        sa.Column("value", sa.Text(), nullable=False),
+        sa.Column(
+            "created_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("CURRENT_TIMESTAMP"),
+            nullable=False,
+        ),
+        sa.Column(
+            "updated_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("CURRENT_TIMESTAMP"),
+            nullable=False,
+        ),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("name"),
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("desktop_configs")
--- a/alembic/versions/003_add_user_role_phone_vip.py
+++ b/alembic/versions/003_add_user_role_phone_vip.py
@@ -0,0 +1,40 @@
+"""add user role_id phone vip_end_time
+
+Revision ID: 003
+Revises: 002
+Create Date: 2026-05-16
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "003"
+down_revision: Union[str, None] = "002"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "users",
+        sa.Column("phone", sa.String(length=64), nullable=True),
+    )
+    op.add_column(
+        "users",
+        sa.Column("role_id", sa.Integer(), server_default="0", nullable=False),
+    )
+    op.add_column(
+        "users",
+        sa.Column("vip_end_time", sa.DateTime(timezone=True), nullable=True),
+    )
+    op.create_index(op.f("ix_users_phone"), "users", ["phone"], unique=True)
+
+
+def downgrade() -> None:
+    op.drop_index(op.f("ix_users_phone"), table_name="users")
+    op.drop_column("users", "vip_end_time")
+    op.drop_column("users", "role_id")
+    op.drop_column("users", "phone")
--- a/alembic/versions/004_create_card_keys_table.py
+++ b/alembic/versions/004_create_card_keys_table.py
@@ -0,0 +1,46 @@
+"""create card_keys table
+
+Revision ID: 004
+Revises: 003
+Create Date: 2026-05-16
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "004"
+down_revision: Union[str, None] = "003"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "card_keys",
+        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column("serial_number", sa.String(length=64), nullable=False),
+        sa.Column("duration_days", sa.Integer(), nullable=False),
+        sa.Column(
+            "created_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("CURRENT_TIMESTAMP"),
+            nullable=False,
+        ),
+        sa.Column("activated_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("user_id", sa.Integer(), nullable=True),
+        sa.Column("username", sa.String(length=64), nullable=True),
+        sa.Column("remark", sa.String(length=255), nullable=True),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="SET NULL"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index(
+        op.f("ix_card_keys_serial_number"), "card_keys", ["serial_number"], unique=True
+    )
+
+
+def downgrade() -> None:
+    op.drop_index(op.f("ix_card_keys_serial_number"), table_name="card_keys")
+    op.drop_table("card_keys")
--- a/alembic/versions/005_add_desktop_config_mark.py
+++ b/alembic/versions/005_add_desktop_config_mark.py
@@ -0,0 +1,28 @@
+"""add desktop_configs.mark column
+
+Revision ID: 005
+Revises: 004
+Create Date: 2026-05-16
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "005"
+down_revision: Union[str, None] = "004"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "desktop_configs",
+        sa.Column("mark", sa.String(length=255), nullable=True),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("desktop_configs", "mark")
--- a/app/api/v1/admin_card_keys.py
+++ b/app/api/v1/admin_card_keys.py
@@ -0,0 +1,103 @@
+"""管理员卡密 CRUD。"""
+
+from typing import Literal
+
+from fastapi import APIRouter, Query
+
+from app.dependencies import AdminUser, DbSession
+from app.schemas.admin_card_key import (
+    CardKeyBatchCreateResult,
+    CardKeyCreate,
+    CardKeyOut,
+    CardKeyUpdate,
+)
+from app.schemas.common import ApiResponse, PaginatedData
+from app.services import admin_card_key as card_key_service
+
+router = APIRouter(prefix="/admin/card-keys", tags=["管理-卡密"])
+
+
+@router.get("", response_model=ApiResponse[PaginatedData[CardKeyOut]])
+async def list_card_keys(
+    _admin: AdminUser,
+    db: DbSession,
+    page: int = Query(1, ge=1),
+    page_size: int = Query(
+        card_key_service.DEFAULT_PAGE_SIZE,
+        ge=1,
+        le=card_key_service.MAX_PAGE_SIZE,
+    ),
+    status: Literal["all", "unused", "used"] | None = Query(
+        default="all",
+        description="筛选：all 全部 / unused 未使用 / used 已激活",
+    ),
+) -> ApiResponse[PaginatedData[CardKeyOut]]:
+    filter_status = None if status == "all" else status
+    cards, total = await card_key_service.list_card_keys(
+        db,
+        page=page,
+        page_size=page_size,
+        status=filter_status,
+    )
+    return ApiResponse(
+        ok=True,
+        message="",
+        data=PaginatedData.build(
+            [CardKeyOut.model_validate(c) for c in cards],
+            total=total,
+            page=page,
+            page_size=page_size,
+        ),
+    )
+
+
+@router.post("", response_model=ApiResponse[CardKeyBatchCreateResult])
+async def create_card_keys(
+    body: CardKeyCreate,
+    _admin: AdminUser,
+    db: DbSession,
+) -> ApiResponse[CardKeyBatchCreateResult]:
+    try:
+        created = await card_key_service.create_card_keys(db, body)
+    except card_key_service.AdminCardKeyError as exc:
+        return ApiResponse(ok=False, message=exc.message)
+
+    items = [CardKeyOut.model_validate(c) for c in created]
+    return ApiResponse(
+        ok=True,
+        message=f"已生成 {len(items)} 张卡密",
+        data=CardKeyBatchCreateResult(items=items, created_count=len(items)),
+    )
+
+
+@router.patch("/{card_id}", response_model=ApiResponse[CardKeyOut])
+async def update_card_key(
+    card_id: int,
+    body: CardKeyUpdate,
+    _admin: AdminUser,
+    db: DbSession,
+) -> ApiResponse[CardKeyOut]:
+    try:
+        card = await card_key_service.update_card_key(db, card_id, body)
+    except card_key_service.AdminCardKeyError as exc:
+        return ApiResponse(ok=False, message=exc.message)
+
+    return ApiResponse(
+        ok=True,
+        message="卡密已更新",
+        data=CardKeyOut.model_validate(card),
+    )
+
+
+@router.delete("/{card_id}", response_model=ApiResponse[None])
+async def delete_card_key(
+    card_id: int,
+    _admin: AdminUser,
+    db: DbSession,
+) -> ApiResponse[None]:
+    try:
+        await card_key_service.delete_card_key(db, card_id)
+    except card_key_service.AdminCardKeyError as exc:
+        return ApiResponse(ok=False, message=exc.message)
+
+    return ApiResponse(ok=True, message="卡密已删除")
--- a/app/api/v1/admin_desktop_configs.py
+++ b/app/api/v1/admin_desktop_configs.py
@@ -0,0 +1,95 @@
+"""管理员 desktop_configs 键值 CRUD。"""
+
+from fastapi import APIRouter, Query
+
+from app.dependencies import AdminUser, DbSession
+from app.schemas.admin_desktop_config import (
+    DesktopConfigCreate,
+    DesktopConfigOut,
+    DesktopConfigUpdate,
+)
+from app.schemas.common import ApiResponse, PaginatedData
+from app.services import admin_desktop_config as config_service
+
+router = APIRouter(prefix="/admin/desktop-configs", tags=["管理-桌面配置"])
+
+
+@router.get("", response_model=ApiResponse[PaginatedData[DesktopConfigOut]])
+async def list_configs(
+    _admin: AdminUser,
+    db: DbSession,
+    page: int = Query(1, ge=1),
+    page_size: int = Query(
+        config_service.DEFAULT_PAGE_SIZE,
+        ge=1,
+        le=config_service.MAX_PAGE_SIZE,
+    ),
+    keyword: str | None = Query(default=None, max_length=64, description="按键名模糊搜索"),
+) -> ApiResponse[PaginatedData[DesktopConfigOut]]:
+    rows, total = await config_service.list_configs(
+        db,
+        page=page,
+        page_size=page_size,
+        keyword=keyword,
+    )
+    return ApiResponse(
+        ok=True,
+        message="",
+        data=PaginatedData.build(
+            [DesktopConfigOut.model_validate(r) for r in rows],
+            total=total,
+            page=page,
+            page_size=page_size,
+        ),
+    )
+
+
+@router.post("", response_model=ApiResponse[DesktopConfigOut])
+async def create_config(
+    body: DesktopConfigCreate,
+    _admin: AdminUser,
+    db: DbSession,
+) -> ApiResponse[DesktopConfigOut]:
+    try:
+        row = await config_service.create_config(db, body)
+    except config_service.AdminDesktopConfigError as exc:
+        return ApiResponse(ok=False, message=exc.message)
+
+    return ApiResponse(
+        ok=True,
+        message="配置已创建",
+        data=DesktopConfigOut.model_validate(row),
+    )
+
+
+@router.patch("/{config_id}", response_model=ApiResponse[DesktopConfigOut])
+async def update_config(
+    config_id: int,
+    body: DesktopConfigUpdate,
+    _admin: AdminUser,
+    db: DbSession,
+) -> ApiResponse[DesktopConfigOut]:
+    try:
+        row = await config_service.update_config(db, config_id, body)
+    except config_service.AdminDesktopConfigError as exc:
+        return ApiResponse(ok=False, message=exc.message)
+
+    return ApiResponse(
+        ok=True,
+        message="配置已更新",
+        data=DesktopConfigOut.model_validate(row),
+    )
+
+
+@router.delete("/{config_id}", response_model=ApiResponse[None])
+async def delete_config(
+    config_id: int,
+    _admin: AdminUser,
+    db: DbSession,
+) -> ApiResponse[None]:
+    try:
+        await config_service.delete_config(db, config_id)
+    except config_service.AdminDesktopConfigError as exc:
+        return ApiResponse(ok=False, message=exc.message)
+
+    return ApiResponse(ok=True, message="配置已删除")
--- a/app/api/v1/admin_users.py
+++ b/app/api/v1/admin_users.py
@@ -0,0 +1,91 @@
+"""管理员用户 CRUD。"""
+
+from fastapi import APIRouter, Query
+
+from app.dependencies import AdminUser, DbSession
+from app.schemas.admin_user import AdminUserCreate, AdminUserOut, AdminUserUpdate
+from app.schemas.common import ApiResponse, PaginatedData
+from app.services import admin_user as admin_user_service
+
+router = APIRouter(prefix="/admin/users", tags=["管理-用户"])
+
+
+@router.get("", response_model=ApiResponse[PaginatedData[AdminUserOut]])
+async def list_users(
+    _admin: AdminUser,
+    db: DbSession,
+    page: int = Query(1, ge=1, description="页码，从 1 开始"),
+    page_size: int = Query(
+        admin_user_service.DEFAULT_PAGE_SIZE,
+        ge=1,
+        le=admin_user_service.MAX_PAGE_SIZE,
+        description="每页条数",
+    ),
+) -> ApiResponse[PaginatedData[AdminUserOut]]:
+    users, total = await admin_user_service.list_users(db, page=page, page_size=page_size)
+    return ApiResponse(
+        ok=True,
+        message="",
+        data=PaginatedData.build(
+            [AdminUserOut.model_validate(u) for u in users],
+            total=total,
+            page=page,
+            page_size=page_size,
+        ),
+    )
+
+
+@router.post("", response_model=ApiResponse[AdminUserOut])
+async def create_user(
+    body: AdminUserCreate,
+    admin: AdminUser,
+    db: DbSession,
+) -> ApiResponse[AdminUserOut]:
+    try:
+        user = await admin_user_service.create_user(db, body)
+    except admin_user_service.AdminUserError as exc:
+        return ApiResponse(ok=False, message=exc.message)
+
+    return ApiResponse(
+        ok=True,
+        message="用户已创建",
+        data=AdminUserOut.model_validate(user),
+    )
+
+
+@router.patch("/{user_id}", response_model=ApiResponse[AdminUserOut])
+async def update_user(
+    user_id: int,
+    body: AdminUserUpdate,
+    admin: AdminUser,
+    db: DbSession,
+) -> ApiResponse[AdminUserOut]:
+    try:
+        user = await admin_user_service.update_user(
+            db,
+            user_id,
+            body,
+            actor_id=admin.id,
+        )
+    except admin_user_service.AdminUserError as exc:
+        return ApiResponse(ok=False, message=exc.message)
+
+    return ApiResponse(
+        ok=True,
+        message="用户已更新",
+        data=AdminUserOut.model_validate(user),
+    )
+
+
+@router.delete("/{user_id}", response_model=ApiResponse[None])
+async def delete_user(
+    user_id: int,
+    admin: AdminUser,
+    db: DbSession,
+) -> ApiResponse[None]:
+    try:
+        await admin_user_service.delete_user(db, user_id, actor_id=admin.id)
+    except admin_user_service.AdminUserError as exc:
+        return ApiResponse(ok=False, message=exc.message)
+
+    return ApiResponse(ok=True, message="用户已删除")
--- a/app/api/v1/app_config.py
+++ b/app/api/v1/app_config.py
@@ -0,0 +1,19 @@
+"""已登录用户拉取 desktop_configs 表全部键值。"""
+
+from fastapi import APIRouter
+
+from app.dependencies import CurrentUser, DbSession
+from app.schemas.app_config import AppConfigMap
+from app.schemas.common import ApiResponse
+from app.services import desktop_config as desktop_config_service
+
+router = APIRouter(prefix="/appConfig", tags=["appConfig"])
+
+
+@router.get("", response_model=ApiResponse[AppConfigMap])
+async def get_app_config(
+    _user: CurrentUser,
+    db: DbSession,
+) -> ApiResponse[AppConfigMap]:
+    items = await desktop_config_service.list_all_as_map(db)
+    return ApiResponse(ok=True, message="", data=items)
--- a/app/api/v1/nodejs_scripts.py
+++ b/app/api/v1/nodejs_scripts.py
@@ -0,0 +1,47 @@
+"""Node.js 流水线脚本：按文件名下发源码，供桌面端拉取后在 Node 子进程中执行。"""
+
+import re
+from pathlib import Path
+
+from fastapi import APIRouter
+
+from app.schemas.common import ApiResponse
+
+router = APIRouter(prefix="/nodejs-scripts", tags=["nodejs"])
+
+# pythonbackend/scripts/nodejs/*.js
+_SCRIPTS_DIR = Path(__file__).resolve().parents[3] / "scripts" / "nodejs"
+
+_SAFE_NAME = re.compile(r"^[a-zA-Z0-9][a-zA-Z0-9._-]*\.js$")
+
+
+def _validate_name(name: str) -> str | None:
+    if not name or not _SAFE_NAME.fullmatch(name.strip()):
+        return None
+    return name.strip()
+
+
+@router.get("", response_model=ApiResponse[dict])
+async def get_nodejs_script(name: str) -> ApiResponse[dict]:
+    safe = _validate_name(name)
+    if not safe:
+        return ApiResponse(ok=False, message="无效的脚本名称", data=None)
+    path = _SCRIPTS_DIR / safe
+    try:
+        base_resolved = _SCRIPTS_DIR.resolve()
+        resolved = path.resolve()
+        resolved.relative_to(base_resolved)
+    except (OSError, ValueError):
+        return ApiResponse(ok=False, message="无效的脚本路径", data=None)
+    if not path.is_file():
+        return ApiResponse(ok=False, message=f"脚本不存在: {safe}", data=None)
+    source = path.read_text(encoding="utf-8")
+    return ApiResponse(ok=True, message="", data={"source": source})
+
+
+@router.get("/list", response_model=ApiResponse[dict])
+async def list_nodejs_scripts() -> ApiResponse[dict]:
+    if not _SCRIPTS_DIR.is_dir():
+        return ApiResponse(ok=True, message="", data={"names": []})
+    names = sorted(p.name for p in _SCRIPTS_DIR.glob("*.js") if p.is_file())
+    return ApiResponse(ok=True, message="", data={"names": names})
--- a/app/api/v1/router.py
+++ b/app/api/v1/router.py
@@ -1,7 +1,20 @@
 from fastapi import APIRouter

-from app.api.v1 import auth, quickjs_scripts
+from app.api.v1 import (
+    admin_card_keys,
+    admin_desktop_configs,
+    admin_users,
+    app_config,
+    auth,
+    nodejs_scripts,
+    quickjs_scripts,
+)

 api_router = APIRouter()
 api_router.include_router(auth.router)
+api_router.include_router(admin_users.router)
+api_router.include_router(admin_card_keys.router)
+api_router.include_router(admin_desktop_configs.router)
+api_router.include_router(app_config.router)
 api_router.include_router(quickjs_scripts.router)
+api_router.include_router(nodejs_scripts.router)
--- a/app/core/roles.py
+++ b/app/core/roles.py
@@ -0,0 +1,8 @@
+ROLE_ADMIN = 1
+ROLE_AGENT = 2
+
+ROLE_LABELS: dict[int, str] = {
+    0: "普通用户",
+    ROLE_ADMIN: "管理员",
+    ROLE_AGENT: "代理",
+}
--- a/app/dependencies.py
+++ b/app/dependencies.py
@@ -4,6 +4,7 @@ import redis.asyncio as redis
 from fastapi import Depends, Header, HTTPException, status
 from sqlalchemy.ext.asyncio import AsyncSession

+from app.core.roles import ROLE_ADMIN
 from app.core.security import decode_access_token
 from app.database import get_db
 from app.models.user import User
@@ -52,3 +53,15 @@ async def get_current_user(


 CurrentUser = Annotated[User, Depends(get_current_user)]
+
+
+async def require_admin(current_user: CurrentUser) -> User:
+    if current_user.role_id != ROLE_ADMIN:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="需要管理员权限",
+        )
+    return current_user
+
+
+AdminUser = Annotated[User, Depends(require_admin)]
--- a/app/models/init.py
+++ b/app/models/init.py
@@ -1,3 +1,5 @@
+from app.models.card_key import CardKey
+from app.models.desktopConfig import DesktopConfig
 from app.models.user import User

-__all__ = ["User"]
+__all__ = ["User", "DesktopConfig", "CardKey"]
--- a/app/models/card_key.py
+++ b/app/models/card_key.py
@@ -0,0 +1,25 @@
+from datetime import datetime
+
+from sqlalchemy import DateTime, ForeignKey, Integer, String, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.database import Base
+
+
+class CardKey(Base):
+    __tablename__ = "card_keys"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    serial_number: Mapped[str] = mapped_column(String(64), unique=True, index=True)
+    duration_days: Mapped[int] = mapped_column(Integer)
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now()
+    )
+    activated_at: Mapped[datetime | None] = mapped_column(
+        DateTime(timezone=True), nullable=True, default=None
+    )
+    user_id: Mapped[int | None] = mapped_column(
+        Integer, ForeignKey("users.id", ondelete="SET NULL"), nullable=True
+    )
+    username: Mapped[str | None] = mapped_column(String(64), nullable=True)
+    remark: Mapped[str | None] = mapped_column(String(255), nullable=True)
--- a/app/models/desktopConfig.py
+++ b/app/models/desktopConfig.py
@@ -0,0 +1,17 @@
+from datetime import datetime
+
+from sqlalchemy import DateTime, String, Text, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.database import Base
+
+
+class DesktopConfig(Base):
+    __tablename__ = "desktop_configs"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    name: Mapped[str] = mapped_column(String(64), unique=True)
+    value: Mapped[str] = mapped_column(Text)
+    mark: Mapped[str | None] = mapped_column(String(255), nullable=True, default=None)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
--- a/app/models/user.py
+++ b/app/models/user.py
@@ -1,6 +1,6 @@
 from datetime import datetime

-from sqlalchemy import DateTime, String, func
+from sqlalchemy import DateTime, Integer, String, func
 from sqlalchemy.orm import Mapped, mapped_column

 from app.database import Base
@@ -10,14 +10,12 @@ class User(Base):
    __tablename__ = "users"

    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
-    username: Mapped[str] = mapped_column(String(64), unique=True, index=True)
+    username: Mapped[str] = mapped_column(String(64), unique=True)
+    phone: Mapped[str | None] = mapped_column(String(64), unique=True, nullable=True)
    password_hash: Mapped[str] = mapped_column(String(255))
-    created_at: Mapped[datetime] = mapped_column(
-        DateTime(timezone=True),
-        server_default=func.now(),
-    )
-    updated_at: Mapped[datetime] = mapped_column(
-        DateTime(timezone=True),
-        server_default=func.now(),
-        onupdate=func.now(),
+    role_id: Mapped[int] = mapped_column(Integer, default=0, server_default="0")
+    vip_end_time: Mapped[datetime | None] = mapped_column(
+        DateTime(timezone=True), nullable=True, default=None
    )
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
--- a/app/schemas/admin_card_key.py
+++ b/app/schemas/admin_card_key.py
@@ -0,0 +1,64 @@
+from datetime import datetime
+from typing import Literal
+
+from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator
+
+
+class CardKeyOut(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: int
+    serial_number: str
+    duration_days: int
+    created_at: datetime
+    activated_at: datetime | None = None
+    user_id: int | None = None
+    username: str | None = None
+    remark: str | None = None
+
+
+class CardKeyCreate(BaseModel):
+    duration_days: int = Field(ge=1, le=3650, description="有效天数")
+    remark: str | None = Field(default=None, max_length=255)
+    count: int = Field(default=1, ge=1, le=100, description="批量生成数量")
+    serial_number: str | None = Field(default=None, max_length=64)
+
+    @field_validator("remark")
+    @classmethod
+    def normalize_remark(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        stripped = value.strip()
+        return stripped or None
+
+    @field_validator("serial_number")
+    @classmethod
+    def normalize_serial(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        stripped = value.strip().upper()
+        return stripped or None
+
+    @model_validator(mode="after")
+    def serial_only_for_single(self) -> "CardKeyCreate":
+        if self.serial_number and self.count != 1:
+            raise ValueError("指定序列号时仅可生成 1 张卡密")
+        return self
+
+
+class CardKeyUpdate(BaseModel):
+    duration_days: int | None = Field(default=None, ge=1, le=3650)
+    remark: str | None = Field(default=None, max_length=255)
+
+    @field_validator("remark")
+    @classmethod
+    def normalize_remark(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        stripped = value.strip()
+        return stripped or None
+
+
+class CardKeyBatchCreateResult(BaseModel):
+    items: list[CardKeyOut]
+    created_count: int
--- a/app/schemas/admin_desktop_config.py
+++ b/app/schemas/admin_desktop_config.py
@@ -0,0 +1,54 @@
+from datetime import datetime
+
+from pydantic import BaseModel, ConfigDict, Field, field_validator
+
+
+class DesktopConfigOut(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: int
+    name: str
+    value: str
+    mark: str | None = None
+    created_at: datetime
+    updated_at: datetime
+
+
+class DesktopConfigCreate(BaseModel):
+    name: str = Field(min_length=1, max_length=64)
+    value: str = Field(min_length=0)
+    mark: str | None = Field(default=None, max_length=255)
+
+    @field_validator("name")
+    @classmethod
+    def strip_name(cls, value: str) -> str:
+        return value.strip()
+
+    @field_validator("mark")
+    @classmethod
+    def normalize_mark(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        stripped = value.strip()
+        return stripped or None
+
+
+class DesktopConfigUpdate(BaseModel):
+    name: str | None = Field(default=None, min_length=1, max_length=64)
+    value: str | None = None
+    mark: str | None = Field(default=None, max_length=255)
+
+    @field_validator("name")
+    @classmethod
+    def strip_name(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        return value.strip()
+
+    @field_validator("mark")
+    @classmethod
+    def normalize_mark(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        stripped = value.strip()
+        return stripped or None
--- a/app/schemas/admin_user.py
+++ b/app/schemas/admin_user.py
@@ -0,0 +1,60 @@
+from datetime import datetime
+
+from pydantic import BaseModel, ConfigDict, Field, field_validator
+
+
+class AdminUserOut(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: int
+    username: str
+    phone: str | None = None
+    role_id: int
+    vip_end_time: datetime | None = None
+    created_at: datetime
+    updated_at: datetime
+
+
+class AdminUserCreate(BaseModel):
+    username: str = Field(min_length=1, max_length=64)
+    password: str = Field(min_length=6, max_length=128)
+    phone: str | None = Field(default=None, max_length=64)
+    role_id: int = Field(default=0, ge=0, le=2)
+    vip_end_time: datetime | None = None
+
+    @field_validator("username")
+    @classmethod
+    def strip_username(cls, value: str) -> str:
+        return value.strip()
+
+    @field_validator("phone")
+    @classmethod
+    def normalize_phone(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        stripped = value.strip()
+        return stripped or None
+
+
+class AdminUserUpdate(BaseModel):
+    username: str | None = Field(default=None, min_length=1, max_length=64)
+    password: str | None = Field(default=None, min_length=6, max_length=128)
+    phone: str | None = Field(default=None, max_length=64)
+    role_id: int | None = Field(default=None, ge=0, le=2)
+    vip_end_time: datetime | None = None
+    clear_vip_end_time: bool = False
+
+    @field_validator("username")
+    @classmethod
+    def strip_username(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        return value.strip()
+
+    @field_validator("phone")
+    @classmethod
+    def normalize_phone(cls, value: str | None) -> str | None:
+        if value is None:
+            return None
+        stripped = value.strip()
+        return stripped or None
--- a/app/schemas/app_config.py
+++ b/app/schemas/app_config.py
@@ -0,0 +1,6 @@
+"""桌面端应用配置：name -> value 字典。"""
+
+from typing import Dict
+
+# GET /api/v1/appConfig 的 data 载荷类型
+AppConfigMap = Dict[str, str]
--- a/app/schemas/auth.py
+++ b/app/schemas/auth.py
@@ -37,6 +37,7 @@ class UserPublic(BaseModel):

    id: int
    username: str
+    role_id: int


 class TokenResponse(BaseModel):
--- a/app/schemas/common.py
+++ b/app/schemas/common.py
@@ -13,3 +13,31 @@ class ApiResponse(BaseModel, Generic[T]):
    ok: bool
    message: str = ""
    data: T | None = None
+
+
+class PaginatedData(BaseModel, Generic[T]):
+    """分页列表载荷。"""
+
+    items: list[T]
+    total: int
+    page: int
+    page_size: int
+    total_pages: int
+
+    @classmethod
+    def build(
+        cls,
+        items: list[T],
+        *,
+        total: int,
+        page: int,
+        page_size: int,
+    ) -> "PaginatedData[T]":
+        total_pages = (total + page_size - 1) // page_size if total > 0 else 0
+        return cls(
+            items=items,
+            total=total,
+            page=page,
+            page_size=page_size,
+            total_pages=total_pages,
+        )
--- a/app/services/admin_card_key.py
+++ b/app/services/admin_card_key.py
@@ -0,0 +1,128 @@
+import secrets
+import string
+
+from sqlalchemy import func, select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.card_key import CardKey
+from app.schemas.admin_card_key import CardKeyCreate, CardKeyUpdate
+
+DEFAULT_PAGE_SIZE = 20
+MAX_PAGE_SIZE = 100
+
+_SERIAL_ALPHABET = string.ascii_uppercase + string.digits
+_SERIAL_LENGTH = 16
+
+
+class AdminCardKeyError(Exception):
+    def __init__(self, message: str) -> None:
+        self.message = message
+        super().__init__(message)
+
+
+def _generate_serial() -> str:
+    return "".join(secrets.choice(_SERIAL_ALPHABET) for _ in range(_SERIAL_LENGTH))
+
+
+async def _unique_serial(db: AsyncSession, preferred: str | None = None) -> str:
+    if preferred:
+        existing = await db.scalar(
+            select(CardKey.id).where(CardKey.serial_number == preferred)
+        )
+        if existing is not None:
+            raise AdminCardKeyError("序列号已存在")
+        return preferred
+
+    for _ in range(20):
+        candidate = _generate_serial()
+        existing = await db.scalar(
+            select(CardKey.id).where(CardKey.serial_number == candidate)
+        )
+        if existing is None:
+            return candidate
+    raise AdminCardKeyError("生成序列号失败，请重试")
+
+
+async def list_card_keys(
+    db: AsyncSession,
+    *,
+    page: int = 1,
+    page_size: int = DEFAULT_PAGE_SIZE,
+    status: str | None = None,
+) -> tuple[list[CardKey], int]:
+    page_size = min(max(page_size, 1), MAX_PAGE_SIZE)
+    page = max(page, 1)
+    offset = (page - 1) * page_size
+
+    filters = []
+    if status == "unused":
+        filters.append(CardKey.activated_at.is_(None))
+    elif status == "used":
+        filters.append(CardKey.activated_at.is_not(None))
+
+    count_stmt = select(func.count()).select_from(CardKey)
+    list_stmt = select(CardKey)
+    for clause in filters:
+        count_stmt = count_stmt.where(clause)
+        list_stmt = list_stmt.where(clause)
+
+    total = await db.scalar(count_stmt) or 0
+    result = await db.scalars(
+        list_stmt.order_by(CardKey.id.desc()).offset(offset).limit(page_size)
+    )
+    return list(result.all()), total
+
+
+async def create_card_keys(db: AsyncSession, body: CardKeyCreate) -> list[CardKey]:
+    created: list[CardKey] = []
+
+    for index in range(body.count):
+        serial = await _unique_serial(
+            db,
+            body.serial_number if index == 0 else None,
+        )
+        card = CardKey(
+            serial_number=serial,
+            duration_days=body.duration_days,
+            remark=body.remark,
+        )
+        db.add(card)
+        created.append(card)
+
+    await db.flush()
+    for card in created:
+        await db.refresh(card)
+    return created
+
+
+async def update_card_key(
+    db: AsyncSession,
+    card_id: int,
+    body: CardKeyUpdate,
+) -> CardKey:
+    card = await db.get(CardKey, card_id)
+    if card is None:
+        raise AdminCardKeyError("卡密不存在")
+
+    if card.activated_at is not None:
+        if body.duration_days is not None:
+            raise AdminCardKeyError("已激活卡密不能修改时长")
+    elif body.duration_days is not None:
+        card.duration_days = body.duration_days
+
+    if body.remark is not None:
+        card.remark = body.remark
+
+    await db.flush()
+    await db.refresh(card)
+    return card
+
+
+async def delete_card_key(db: AsyncSession, card_id: int) -> None:
+    card = await db.get(CardKey, card_id)
+    if card is None:
+        raise AdminCardKeyError("卡密不存在")
+    if card.activated_at is not None:
+        raise AdminCardKeyError("已激活卡密不能删除")
+
+    await db.delete(card)
--- a/app/services/admin_desktop_config.py
+++ b/app/services/admin_desktop_config.py
@@ -0,0 +1,88 @@
+from sqlalchemy import func, select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.desktopConfig import DesktopConfig
+from app.schemas.admin_desktop_config import DesktopConfigCreate, DesktopConfigUpdate
+
+DEFAULT_PAGE_SIZE = 20
+MAX_PAGE_SIZE = 100
+
+
+class AdminDesktopConfigError(Exception):
+    def __init__(self, message: str) -> None:
+        self.message = message
+        super().__init__(message)
+
+
+async def list_configs(
+    db: AsyncSession,
+    *,
+    page: int = 1,
+    page_size: int = DEFAULT_PAGE_SIZE,
+    keyword: str | None = None,
+) -> tuple[list[DesktopConfig], int]:
+    page_size = min(max(page_size, 1), MAX_PAGE_SIZE)
+    page = max(page, 1)
+    offset = (page - 1) * page_size
+
+    filters = []
+    if keyword:
+        like = f"%{keyword.strip()}%"
+        filters.append(DesktopConfig.name.ilike(like))
+
+    count_stmt = select(func.count()).select_from(DesktopConfig)
+    list_stmt = select(DesktopConfig)
+    for clause in filters:
+        count_stmt = count_stmt.where(clause)
+        list_stmt = list_stmt.where(clause)
+
+    total = await db.scalar(count_stmt) or 0
+    result = await db.scalars(
+        list_stmt.order_by(DesktopConfig.name.asc()).offset(offset).limit(page_size)
+    )
+    return list(result.all()), total
+
+
+async def create_config(db: AsyncSession, body: DesktopConfigCreate) -> DesktopConfig:
+    existing = await db.scalar(select(DesktopConfig).where(DesktopConfig.name == body.name))
+    if existing is not None:
+        raise AdminDesktopConfigError("配置键名已存在")
+
+    row = DesktopConfig(name=body.name, value=body.value, mark=body.mark)
+    db.add(row)
+    await db.flush()
+    await db.refresh(row)
+    return row
+
+
+async def update_config(
+    db: AsyncSession,
+    config_id: int,
+    body: DesktopConfigUpdate,
+) -> DesktopConfig:
+    row = await db.get(DesktopConfig, config_id)
+    if row is None:
+        raise AdminDesktopConfigError("配置不存在")
+
+    if body.name is not None and body.name != row.name:
+        taken = await db.scalar(select(DesktopConfig).where(DesktopConfig.name == body.name))
+        if taken is not None:
+            raise AdminDesktopConfigError("配置键名已存在")
+        row.name = body.name
+
+    if body.value is not None:
+        row.value = body.value
+
+    if body.mark is not None:
+        row.mark = body.mark
+
+    await db.flush()
+    await db.refresh(row)
+    return row
+
+
+async def delete_config(db: AsyncSession, config_id: int) -> None:
+    row = await db.get(DesktopConfig, config_id)
+    if row is None:
+        raise AdminDesktopConfigError("配置不存在")
+    await db.delete(row)
--- a/app/services/admin_user.py
+++ b/app/services/admin_user.py
@@ -0,0 +1,109 @@
+from sqlalchemy import func, select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.roles import ROLE_ADMIN
+from app.core.security import hash_password
+from app.models.user import User
+from app.schemas.admin_user import AdminUserCreate, AdminUserUpdate
+
+DEFAULT_PAGE_SIZE = 20
+MAX_PAGE_SIZE = 100
+
+
+class AdminUserError(Exception):
+    def __init__(self, message: str) -> None:
+        self.message = message
+        super().__init__(message)
+
+
+async def list_users(
+    db: AsyncSession,
+    *,
+    page: int = 1,
+    page_size: int = DEFAULT_PAGE_SIZE,
+) -> tuple[list[User], int]:
+    page_size = min(max(page_size, 1), MAX_PAGE_SIZE)
+    page = max(page, 1)
+    offset = (page - 1) * page_size
+
+    total = await db.scalar(select(func.count()).select_from(User)) or 0
+    result = await db.scalars(
+        select(User).order_by(User.id.desc()).offset(offset).limit(page_size)
+    )
+    return list(result.all()), total
+
+
+async def create_user(db: AsyncSession, body: AdminUserCreate) -> User:
+    existing = await db.scalar(select(User).where(User.username == body.username))
+    if existing is not None:
+        raise AdminUserError("用户名已存在")
+
+    if body.phone:
+        phone_taken = await db.scalar(select(User).where(User.phone == body.phone))
+        if phone_taken is not None:
+            raise AdminUserError("手机号已被使用")
+
+    user = User(
+        username=body.username,
+        password_hash=hash_password(body.password),
+        phone=body.phone,
+        role_id=body.role_id,
+        vip_end_time=body.vip_end_time,
+    )
+    db.add(user)
+    await db.flush()
+    await db.refresh(user)
+    return user
+
+
+async def update_user(
+    db: AsyncSession,
+    user_id: int,
+    body: AdminUserUpdate,
+    *,
+    actor_id: int,
+) -> User:
+    user = await db.get(User, user_id)
+    if user is None:
+        raise AdminUserError("用户不存在")
+
+    if body.username is not None and body.username != user.username:
+        taken = await db.scalar(select(User).where(User.username == body.username))
+        if taken is not None:
+            raise AdminUserError("用户名已存在")
+        user.username = body.username
+
+    if body.phone is not None:
+        if body.phone != user.phone:
+            taken = await db.scalar(select(User).where(User.phone == body.phone))
+            if taken is not None:
+                raise AdminUserError("手机号已被使用")
+        user.phone = body.phone
+
+    if body.role_id is not None:
+        if user_id == actor_id and body.role_id != ROLE_ADMIN:
+            raise AdminUserError("不能修改自己的管理员角色")
+        user.role_id = body.role_id
+
+    if body.password:
+        user.password_hash = hash_password(body.password)
+
+    if body.clear_vip_end_time:
+        user.vip_end_time = None
+    elif body.vip_end_time is not None:
+        user.vip_end_time = body.vip_end_time
+
+    await db.flush()
+    await db.refresh(user)
+    return user
+
+
+async def delete_user(db: AsyncSession, user_id: int, *, actor_id: int) -> None:
+    if user_id == actor_id:
+        raise AdminUserError("不能删除当前登录账号")
+
+    user = await db.get(User, user_id)
+    if user is None:
+        raise AdminUserError("用户不存在")
+
+    await db.delete(user)
--- a/app/services/auth.py
+++ b/app/services/auth.py
@@ -30,7 +30,12 @@ async def register_user(
    if existing is not None:
        raise AuthError("用户名已存在")

-    user = User(username=username, password_hash=hash_password(password))
+    user = User(
+        username=username,
+        password_hash=hash_password(password),
+        role_id=0,
+        phone=None,
+    )
    db.add(user)
    await db.flush()
    await db.refresh(user)
--- a/app/services/desktop_config.py
+++ b/app/services/desktop_config.py
@@ -0,0 +1,12 @@
+"""desktop_configs 表：键值配置。"""
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.desktopConfig import DesktopConfig
+
+
+async def list_all_as_map(db: AsyncSession) -> dict[str, str]:
+    result = await db.execute(select(DesktopConfig))
+    rows = result.scalars().all()
+    return {row.name: row.value for row in rows}
--- a/scripts/nodejs/desktop_config.js
+++ b/scripts/nodejs/desktop_config.js
@@ -0,0 +1,129 @@
+"use strict";
+
+/**
+ * 从进程环境变量读取 desktop_configs（Rust 注入 AICLIENT_CFG_*）。
+ * 库表 name 经规范化后作为 env 后缀，如 name=LLM_API_KEY → AICLIENT_CFG_LLM_API_KEY
+ */
+
+const ENV_PREFIX = "AICLIENT_CFG_";
+
+function normalizeKey(name) {
+  return String(name || "")
+    .trim()
+    .replace(/[^a-zA-Z0-9]+/g, "_")
+    .replace(/^_+|_+$/g, "")
+    .toUpperCase();
+}
+
+/** @returns {Record<string, string>} 逻辑键（大写+下划线）→ 值 */
+function readAllFromEnv() {
+  const out = {};
+  for (const [ek, ev] of Object.entries(process.env)) {
+    if (!ek.startsWith(ENV_PREFIX) || ev == null || ev === "") continue;
+    const logical = ek.slice(ENV_PREFIX.length);
+    out[logical] = ev;
+  }
+  return out;
+}
+
+function get(logicalKey, fallback = "") {
+  const k = normalizeKey(logicalKey);
+  return process.env[ENV_PREFIX + k] || fallback;
+}
+
+function parseJson(val, fallback = null) {
+  if (!val) return fallback;
+  try {
+    return JSON.parse(val);
+  } catch {
+    return fallback;
+  }
+}
+
+/**
+ * 将扁平配置组装为流水线使用的 modelConfig（兼容现有脚本字段名）。
+ * 可在库表增加任意键；复杂对象用 JSON 字符串存于 OSS_CONFIG、ASR_SERVER_INFO 等。
+ */
+function buildModelConfig() {
+  const c = readAllFromEnv();
+  const pick = (...keys) => {
+    for (const k of keys) {
+      const v = c[normalizeKey(k)];
+      if (v) return v;
+    }
+    return "";
+  };
+
+  let apiUrl = pick("LLM_API_URL", "API_URL");
+  if (apiUrl) {
+    apiUrl = apiUrl.replace(/\/$/, "");
+    if (!apiUrl.includes("/chat/completions")) {
+      apiUrl = apiUrl.endsWith("/v1")
+        ? `${apiUrl}/chat/completions`
+        : `${apiUrl}/v1/chat/completions`;
+    }
+  }
+
+  const asrMode = pick("ASR_MODE", "asr_mode") || "online";
+
+  let ossConfig = parseJson(pick("OSS_CONFIG"));
+  if (!ossConfig && pick("OSS_ACCESS_KEY_ID")) {
+    ossConfig = {
+      accessKeyId: pick("OSS_ACCESS_KEY_ID"),
+      accessKeySecret: pick("OSS_ACCESS_KEY_SECRET"),
+      bucket: pick("OSS_BUCKET"),
+      region: pick("OSS_REGION"),
+      endpoint: pick("OSS_ENDPOINT") || undefined,
+    };
+  }
+
+  let asrServerInfo = parseJson(pick("ASR_SERVER_INFO"));
+  if (!asrServerInfo && pick("ASR_SERVER_URL")) {
+    asrServerInfo = {
+      name: pick("ASR_SERVER_NAME", "local") || "local",
+      baseUrl: pick("ASR_SERVER_URL").replace(/\/$/, ""),
+      asrPath: pick("ASR_SERVER_ASR_PATH", "/asr") || "/asr",
+    };
+  }
+
+  return {
+    providerId: pick("LLM_PROVIDER_ID", "PROVIDER_ID") || "openai",
+    modelId: pick("LLM_MODEL_ID", "MODEL_ID"),
+    apiUrl,
+    apiKey: pick("LLM_API_KEY", "API_KEY"),
+    type: pick("LLM_TYPE", "TYPE") || "openai",
+    asrMode,
+    aliyunApiKey: pick("DASHSCOPE_API_KEY", "ALIYUN_API_KEY"),
+    ossConfig: ossConfig || undefined,
+    asrServerInfo: asrServerInfo || undefined,
+  };
+}
+
+function validateModelConfig(modelConfig) {
+  if (!modelConfig.apiKey) {
+    return { ok: false, error: "缺少配置 LLM_API_KEY（desktop_configs 表）" };
+  }
+  if (!modelConfig.apiUrl) {
+    return { ok: false, error: "缺少配置 LLM_API_URL" };
+  }
+  if (modelConfig.asrMode === "online") {
+    if (!modelConfig.aliyunApiKey) {
+      return { ok: false, error: "在线 ASR 需配置 DASHSCOPE_API_KEY" };
+    }
+    if (!modelConfig.ossConfig?.bucket) {
+      return { ok: false, error: "在线 ASR 需配置 OSS（或 OSS_CONFIG JSON）" };
+    }
+  }
+  if (modelConfig.asrMode === "local" && !modelConfig.asrServerInfo) {
+    return { ok: false, error: "本地 ASR 需配置 ASR_SERVER_URL 或 ASR_SERVER_INFO" };
+  }
+  return { ok: true };
+}
+
+module.exports = {
+  ENV_PREFIX,
+  readAllFromEnv,
+  get,
+  buildModelConfig,
+  validateModelConfig,
+};
--- a/scripts/nodejs/douyin_browser_constants.js
+++ b/scripts/nodejs/douyin_browser_constants.js
@@ -0,0 +1,70 @@
+"use strict";
+
+/** 与 zhenqianba Electron 版 COMMON_BROWSER_ARGS / STEALTH 对齐 */
+
+const COMMON_BROWSER_ARGS = [
+  "--disable-blink-features=AutomationControlled",
+  "--no-sandbox",
+  "--disable-setuid-sandbox",
+  "--disable-dev-shm-usage",
+  "--disable-infobars",
+  "--no-first-run",
+  "--no-default-browser-check",
+  "--disable-breakpad",
+  "--disable-component-update",
+  "--disable-sync",
+  "--disable-default-apps",
+  "--disable-popup-blocking",
+  "--disable-background-networking",
+  "--disable-background-timer-throttling",
+  "--disable-renderer-backgrounding",
+  "--disable-backgrounding-occluded-windows",
+  "--enable-gpu",
+  "--enable-webgl",
+  "--ignore-gpu-blacklist",
+  "--enable-accelerated-video-decode",
+  "--enable-gpu-rasterization",
+  "--enable-proprietary-codecs",
+  "--autoplay-policy=no-user-gesture-required",
+  "--disable-features=IsolateOrigins,site-per-process",
+];
+
+const BROWSER_IGNORE_DEFAULT_ARGS = ["--enable-automation"];
+
+const STEALTH_INIT_SCRIPT = `
+  Object.defineProperty(navigator, 'webdriver', {
+    get: () => undefined,
+    configurable: true
+  });
+  window.chrome = {
+    runtime: {
+      connect: function() { return { onDisconnect: { addListener: function() {} }, onMessage: { addListener: function() {} }, postMessage: function() {}, disconnect: function() {} }; },
+      sendMessage: function() {},
+      id: undefined
+    },
+    loadTimes: function() { return { firstPaintTime: 0, startLoadTime: 0, commitLoadTime: 0, finishDocumentLoadTime: 0, finishLoadTime: 0, firstPaintAfterLoadTime: 0, navigationType: 'Other', requestTime: Date.now() / 1000 }; },
+    csi: function() { return { startE: Date.now(), onloadT: Date.now(), pageT: Math.random() * 1000 + 500, tran: 15 }; },
+    app: { isInstalled: false }
+  };
+  Object.defineProperty(navigator, 'plugins', {
+    get: () => [{ name: 'Chrome PDF Plugin', description: 'Portable Document Format', filename: 'internal-pdf-viewer', length: 1 }],
+    configurable: true
+  });
+  Object.defineProperty(navigator, 'languages', {
+    get: () => ['zh-CN', 'zh', 'en'],
+    configurable: true
+  });
+  delete window.__playwright;
+  delete window.__pw_manual;
+  delete window.webdriver;
+`;
+
+const DEFAULT_USER_AGENT =
+  "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36";
+
+module.exports = {
+  COMMON_BROWSER_ARGS,
+  BROWSER_IGNORE_DEFAULT_ARGS,
+  STEALTH_INIT_SCRIPT,
+  DEFAULT_USER_AGENT,
+};
--- a/scripts/nodejs/douyin_browser_manager.js
+++ b/scripts/nodejs/douyin_browser_manager.js
@@ -0,0 +1,216 @@
+"use strict";
+
+/**
+ * Puppeteer 浏览器单例（参考 zhenqianba DouyinBrowserManager / Playwright 实现）
+ */
+
+const fs = require("fs");
+const path = require("path");
+const os = require("os");
+
+const {
+  COMMON_BROWSER_ARGS,
+  BROWSER_IGNORE_DEFAULT_ARGS,
+  STEALTH_INIT_SCRIPT,
+  DEFAULT_USER_AGENT,
+} = require("./douyin_browser_constants.js");
+
+function getRuntimeDataPath(...parts) {
+  const base =
+    process.env.AICLIENT_DATA_DIR ||
+    path.join(os.homedir(), ".aiclient");
+  return path.join(base, ...parts);
+}
+
+function getChromiumExecutablePath() {
+  const fromEnv =
+    process.env.AICLIENT_CHROMIUM_PATH ||
+    process.env.PUPPETEER_EXECUTABLE_PATH;
+  if (fromEnv && fs.existsSync(fromEnv)) return fromEnv;
+
+  const candidates = [];
+  if (process.platform === "win32") {
+    const pf = process.env["ProgramFiles"] || "C:\\Program Files";
+    const pfx86 = process.env["ProgramFiles(x86)"] || "C:\\Program Files (x86)";
+    const local = process.env.LOCALAPPDATA || "";
+    candidates.push(
+      path.join(pf, "Google", "Chrome", "Application", "chrome.exe"),
+      path.join(pfx86, "Google", "Chrome", "Application", "chrome.exe"),
+      path.join(local, "Google", "Chrome", "Application", "chrome.exe"),
+      path.join(pf, "Microsoft", "Edge", "Application", "msedge.exe"),
+      path.join(pfx86, "Microsoft", "Edge", "Application", "msedge.exe")
+    );
+  } else if (process.platform === "darwin") {
+    candidates.push(
+      "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome",
+      "/Applications/Microsoft Edge.app/Contents/MacOS/Microsoft Edge"
+    );
+  } else {
+    candidates.push(
+      "/usr/bin/google-chrome",
+      "/usr/bin/chromium",
+      "/usr/bin/chromium-browser"
+    );
+  }
+  return candidates.find((p) => p && fs.existsSync(p));
+}
+
+function loadPuppeteer() {
+  try {
+    return require("puppeteer-core");
+  } catch (_) {
+    return require("puppeteer");
+  }
+}
+
+function isHeadless() {
+  if (process.env.AICLIENT_PUPPETEER_HEADLESS === "0") return false;
+  if (process.env.AICLIENT_PUPPETEER_HEADLESS === "false") return false;
+  return "new";
+}
+
+class DouyinBrowserManager {
+  constructor() {
+    this.browser = null;
+    this.isInitializing = false;
+    this.userDataPath = getRuntimeDataPath("browser-data", "douyin");
+  }
+
+  static getInstance() {
+    if (!DouyinBrowserManager.instance) {
+      DouyinBrowserManager.instance = new DouyinBrowserManager();
+    }
+    return DouyinBrowserManager.instance;
+  }
+
+  cleanupBrowserLocks(userDataPath) {
+    const lockFiles = [
+      "SingletonLock",
+      "SingletonSocket",
+      "SingletonCookie",
+      "Lock",
+    ];
+    for (const lockFile of lockFiles) {
+      const lockPath = path.join(userDataPath, lockFile);
+      try {
+        if (fs.existsSync(lockPath)) {
+          fs.unlinkSync(lockPath);
+          console.log("已清理锁文件:", lockFile);
+        }
+      } catch (e) {
+        console.log("清理锁文件失败（忽略）:", lockFile, e.message);
+      }
+    }
+  }
+
+  async launchBrowser(userDataPath) {
+    const puppeteer = loadPuppeteer();
+    if (!fs.existsSync(userDataPath)) {
+      fs.mkdirSync(userDataPath, { recursive: true });
+    }
+    const executablePath = getChromiumExecutablePath();
+    if (!executablePath) {
+      throw new Error(
+        "未找到 Chromium/Chrome。请安装 Chrome/Edge，或设置 AICLIENT_CHROMIUM_PATH，并在 src-tauri/resources/nodejs 执行 npm install"
+      );
+    }
+    console.log("使用浏览器:", executablePath);
+    this.browser = await puppeteer.launch({
+      executablePath,
+      headless: isHeadless(),
+      userDataDir: userDataPath,
+      args: COMMON_BROWSER_ARGS,
+      ignoreDefaultArgs: BROWSER_IGNORE_DEFAULT_ARGS,
+      defaultViewport: { width: 1920, height: 1080 },
+    });
+    console.log("浏览器实例初始化成功");
+    this.browser.on("disconnected", () => {
+      console.log("浏览器已断开连接");
+      this.browser = null;
+    });
+  }
+
+  async initBrowser() {
+    if (this.isInitializing) {
+      while (this.isInitializing) {
+        await new Promise((r) => setTimeout(r, 500));
+      }
+      return;
+    }
+    if (this.browser && this.browser.isConnected()) {
+      return;
+    }
+    this.isInitializing = true;
+    try {
+      const executablePath = getChromiumExecutablePath();
+      if (executablePath && !fs.existsSync(executablePath)) {
+        console.warn("Chromium 路径不存在，将使用 Puppeteer 自带浏览器:", executablePath);
+      }
+      try {
+        console.log("[阶段1] 使用用户数据目录:", this.userDataPath);
+        await this.launchBrowser(this.userDataPath);
+        return;
+      } catch (error1) {
+        console.error("[阶段1] 启动失败:", error1.message);
+        try {
+          console.log("[阶段2] 清理锁文件后重试...");
+          this.cleanupBrowserLocks(this.userDataPath);
+          await this.launchBrowser(this.userDataPath);
+          return;
+        } catch (error2) {
+          console.error("[阶段2] 启动失败:", error2.message);
+          const tempDataPath = getRuntimeDataPath(
+            "temp",
+            `douyin-browser-${Date.now()}`
+          );
+          console.log("[阶段3] 使用临时目录:", tempDataPath);
+          fs.mkdirSync(tempDataPath, { recursive: true });
+          await this.launchBrowser(tempDataPath);
+        }
+      }
+    } finally {
+      this.isInitializing = false;
+    }
+  }
+
+  async newPage() {
+    if (!this.browser || !this.browser.isConnected()) {
+      await this.initBrowser();
+    }
+    const page = await this.browser.newPage();
+    await page.setUserAgent(DEFAULT_USER_AGENT);
+    await page.evaluateOnNewDocument(STEALTH_INIT_SCRIPT);
+    page.setDefaultNavigationTimeout(60000);
+    page.setDefaultTimeout(60000);
+    return page;
+  }
+
+  async close() {
+    try {
+      if (this.browser) {
+        await this.browser.close();
+        this.browser = null;
+        console.log("浏览器管理器已关闭");
+      }
+    } catch (error) {
+      console.error("关闭浏览器管理器失败:", error);
+    }
+  }
+
+  isInitialized() {
+    return this.browser != null && this.browser.isConnected();
+  }
+
+  getBrowserInfo() {
+    return { browser: this.browser };
+  }
+
+  static async cleanup() {
+    if (DouyinBrowserManager.instance) {
+      await DouyinBrowserManager.instance.close();
+      DouyinBrowserManager.instance = null;
+    }
+  }
+}
+
+module.exports = { DouyinBrowserManager, getRuntimeDataPath };
--- a/scripts/nodejs/douyin_content_parser.js
+++ b/scripts/nodejs/douyin_content_parser.js
@@ -0,0 +1,147 @@
+"use strict";
+
+/**
+ * 从混杂文本中提取抖音分享内容（链接、文案、话题）。
+ * 自 zhenqianba DouyinContentParser 移植，CommonJS 导出供 require。
+ */
+
+const DIRECT_VIDEO_PATTERN =
+  /https?:\/\/[^\s"'<>]+?\.(mp4|mov|m4v|webm|avi|mkv)(\?[^\s"'<>]*)?/i;
+
+class DouyinContentParser {
+  /**
+   * @param {string} input
+   * @returns {{ success: true, content: object } | { success: false, error: string }}
+   */
+  static parseContent(input) {
+    try {
+      const raw = String(input || "").trim();
+      if (!raw) {
+        return { success: false, error: "输入内容为空" };
+      }
+      const videoUrl = this.extractVideoUrl(raw);
+      if (!videoUrl) {
+        return { success: false, error: "未找到有效的抖音视频链接" };
+      }
+      const description = this.extractDescription(raw, videoUrl);
+      const hashtags = this.extractHashtags(raw);
+      return {
+        success: true,
+        content: {
+          videoUrl,
+          description,
+          hashtags,
+          rawText: raw,
+        },
+      };
+    } catch (error) {
+      return {
+        success: false,
+        error: `解析失败: ${error instanceof Error ? error.message : String(error)}`,
+      };
+    }
+  }
+
+  static extractVideoUrl(text) {
+    const directVideoMatch = text.match(DIRECT_VIDEO_PATTERN);
+    if (directVideoMatch && directVideoMatch[0]) {
+      return directVideoMatch[0];
+    }
+    const patterns = [
+      /https:\/\/v\.douyin\.com\/[\w_\-@]+\/?/i,
+      /https:\/\/(?:www\.)?douyin\.com\/(?:video|modal)\/\d+/i,
+      /https:\/\/iesdouyin\.com\/(?:share\/video|video)\/\d+/i,
+      /v\.douyin\.com\/[\w_\-@]+/i,
+      /douyin\.com\/(?:video|modal)\/\d+/i,
+    ];
+    for (const pattern of patterns) {
+      const match = text.match(pattern);
+      if (match) {
+        let url = match[0];
+        if (!url.startsWith("http")) {
+          url = "https://" + url;
+        }
+        return url;
+      }
+    }
+    return null;
+  }
+
+  static isDirectVideoUrl(url) {
+    return DIRECT_VIDEO_PATTERN.test(String(url || "").trim());
+  }
+
+  static extractDescription(text, videoUrl) {
+    const urlIndex = text.indexOf(videoUrl);
+    let descriptionText = "";
+    if (urlIndex > 0) {
+      descriptionText = text.substring(0, urlIndex).trim();
+    } else {
+      const descriptionMatch = text.match(/^([^h]*?)(?:https?:\/\/|$)/);
+      if (descriptionMatch && descriptionMatch[1]) {
+        descriptionText = descriptionMatch[1].trim();
+      }
+    }
+    return this.cleanDescription(descriptionText);
+  }
+
+  static cleanDescription(text) {
+    if (!text) return "";
+    let cleaned = text.replace(/^[\d\s./]+/, "").trim();
+    const startMatch = cleaned.match(/^[^\u4e00-\u9fff\w\s]*(.*)$/);
+    if (startMatch && startMatch[1]) {
+      const potential = startMatch[1].trim();
+      if (potential.length > 0) {
+        cleaned = potential;
+      }
+    }
+    if (/^[\W_]+$/.test(cleaned)) {
+      return "";
+    }
+    return cleaned;
+  }
+
+  static extractHashtags(text) {
+    const hashtagPattern = /#[\w\u4e00-\u9fff_]+/g;
+    const matches = text.match(hashtagPattern);
+    if (!matches) return [];
+    return Array.from(new Set(matches));
+  }
+
+  static extractVideoId(videoUrl) {
+    const shortMatch = videoUrl.match(/v\.douyin\.com\/([\w_\-@]+)/i);
+    if (shortMatch) return shortMatch[1];
+    const standardMatch = videoUrl.match(/\/(?:video|modal)\/(\d+)/i);
+    if (standardMatch) return standardMatch[1];
+    return null;
+  }
+
+  static generateTitleFromDescription(description, maxLength = 30) {
+    if (!description) {
+      return "分享精彩内容";
+    }
+    const sentenceEnd = description.match(/[。！？\n]/);
+    let title = "";
+    if (sentenceEnd) {
+      title = description.substring(0, sentenceEnd.index).trim();
+    } else {
+      title = description;
+    }
+    if (title.length > maxLength) {
+      title = title.substring(0, maxLength) + "...";
+    }
+    return title || "精彩分享";
+  }
+
+  static quickExtractUrl(text) {
+    const r = this.parseContent(text);
+    return r.success && r.content ? r.content.videoUrl : null;
+  }
+
+  static quickExtractDescription(text) {
+    const r = this.parseContent(text);
+    return r.success && r.content ? r.content.description : null;
+  }
+}
+
+module.exports = { DouyinContentParser, DIRECT_VIDEO_PATTERN };
--- a/scripts/nodejs/douyin_pipeline.js
+++ b/scripts/nodejs/douyin_pipeline.js
@@ -0,0 +1,225 @@
+"use strict";
+
+/**
+ * douyin_pipeline.js — Node 完整仿写流水线
+ * 对齐 quickjs/douyin_pipeline.js 与 Electron VideoRewriteIntegration.processDouyinShareComplete
+ *
+ * 由后端 `/api/v1/nodejs-scripts` 下发；Tauri 调用 run_nodejs_script → __nodejsMain(params)
+ */
+
+const { DouyinContentParser } = require("./douyin_content_parser.js");
+const { DouyinVideoDownloader } = require("./douyin_video_downloader.js");
+const { VideoRewriteOptimizer } = require("./video_rewrite_optimizer.js");
+const pipelineNative = require("./pipeline_native.js");
+const desktopConfig = require("./desktop_config.js");
+
+const log = (level, msg, fields) =>
+  globalThis.__native.log(level, msg, fields == null ? null : fields);
+const progress = (s) => {
+  try {
+    globalThis.__native.emitProgress(s);
+  } catch (_) {
+    /* ignore */
+  }
+};
+
+async function rewriteWithAI(content, modelConfig, rewriteConfig, customPrompt) {
+  if (!modelConfig?.apiUrl || !modelConfig?.apiKey) {
+    log("error", "rewrite.missingConfig");
+    return null;
+  }
+  const prompt = VideoRewriteOptimizer.buildRewritePrompt(
+    content,
+    rewriteConfig || {},
+    customPrompt
+  );
+  const result = await pipelineNative.openaiChat({
+    apiUrl: modelConfig.apiUrl,
+    apiKey: modelConfig.apiKey,
+    model: modelConfig.modelId,
+    messages: [
+      { role: "system", content: "你是专业的短视频文案改写助手。" },
+      { role: "user", content: prompt },
+    ],
+    temperature:
+      typeof modelConfig.temperature === "number" ? modelConfig.temperature : 0.8,
+    max_tokens: modelConfig.maxTokens || 2000,
+  });
+  if (!result?.success) {
+    log("error", "rewrite.failed", { error: result?.error });
+    return null;
+  }
+  return result.content;
+}
+
+/**
+ * 完整流程：解析 → Puppeteer/直链下载 → ffmpeg 提音频 → ASR → AI 仿写
+ */
+async function processDouyinShareComplete(
+  shareText,
+  modelConfig,
+  rewriteConfig,
+  customPrompt
+) {
+  let videoPath = null;
+  let audioPath = null;
+  try {
+    log("info", "pipeline.start", {
+      inputLength: shareText?.length,
+      asrMode: modelConfig?.asrMode,
+    });
+
+    progress("正在解析视频URL...");
+    const parseResult = DouyinContentParser.parseContent(shareText);
+    if (!parseResult.success || !parseResult.content) {
+      return { success: false, error: parseResult.error || "内容解析失败" };
+    }
+
+    const { videoUrl, hashtags } = parseResult.content;
+    log("info", "pipeline.urlExtracted", { videoUrl });
+
+    progress("正在下载视频...");
+    const downloader = new DouyinVideoDownloader();
+    const downloadResult = DouyinContentParser.isDirectVideoUrl(videoUrl)
+      ? await downloader.downloadDirectVideo(videoUrl)
+      : await downloader.downloadDouyinVideo(videoUrl);
+
+    if (!downloadResult.success || !downloadResult.videoPath) {
+      return {
+        success: false,
+        error: downloadResult.error || "视频下载失败",
+      };
+    }
+    videoPath = downloadResult.videoPath;
+    log("info", "pipeline.videoDownloaded", { videoPath });
+
+    progress("视频下载完成，正在提取音频...");
+    try {
+      audioPath = await pipelineNative.ffmpegExtractAudio(videoPath);
+    } catch (e) {
+      return {
+        success: false,
+        error: `音频提取失败: ${e.message || e}`,
+      };
+    }
+    log("info", "pipeline.audioExtracted", { audioPath });
+
+    const asrMode = modelConfig?.asrMode || "online";
+    let recognizedText = "";
+
+    if (asrMode === "online") {
+      progress("音频提取完成，正在上传到OSS...");
+      const ossConfig = modelConfig.ossConfig;
+      if (!ossConfig?.bucket) {
+        return { success: false, error: "未配置阿里云 OSS（bucket / region / key）" };
+      }
+      const upload = await pipelineNative.aliyunOssUpload(audioPath, ossConfig);
+      if (!upload?.success || !upload.url) {
+        return {
+          success: false,
+          error: `音频上传失败: ${upload?.error || "unknown"}`,
+        };
+      }
+      log("info", "pipeline.ossOk", { audioUrl: upload.url.slice(0, 80) });
+
+      progress("音频上传完成，正在识别文案（在线模式）...");
+      const asr = await pipelineNative.aliyunAsrFiletrans(upload.url, {
+        apiKey: modelConfig.aliyunApiKey,
+        model: "qwen3-asr-flash-filetrans",
+      });
+      if (!asr?.success) {
+        return {
+          success: false,
+          error: `语音识别失败（在线模式）: ${asr?.error || "unknown"}`,
+        };
+      }
+      recognizedText = asr.text || "";
+    } else {
+      progress("音频提取完成，正在识别文案（本地模式）...");
+      const info = modelConfig.asrServerInfo;
+      if (!info) {
+        return {
+          success: false,
+          error: "未配置本地语音识别服务器，请在 .env 中配置 VITE_ASR_SERVER_URL",
+        };
+      }
+      const asr = await pipelineNative.localAsr(audioPath, info);
+      if (!asr?.success) {
+        return {
+          success: false,
+          error: `语音识别失败（本地模式）: ${asr?.error || "unknown"}`,
+        };
+      }
+      recognizedText = asr.text || "";
+    }
+
+    if (!modelConfig?.apiUrl || !modelConfig?.apiKey) {
+      return { success: false, error: "未配置AI模型，请先在 .env 中配置" };
+    }
+
+    progress("文案识别完成，正在改写...");
+    const rewrittenDescription = await rewriteWithAI(
+      recognizedText,
+      modelConfig,
+      rewriteConfig,
+      customPrompt
+    );
+    if (!rewrittenDescription) {
+      return {
+        success: false,
+        error: "AI仿写失败，请检查模型配置和网络连接",
+      };
+    }
+
+    const rewrittenTitle =
+      DouyinContentParser.generateTitleFromDescription(rewrittenDescription);
+    const keepTags = rewriteConfig?.keepHashtags !== false;
+    const fullContent =
+      keepTags && hashtags?.length
+        ? `${rewrittenDescription}\n\n${hashtags.join(" ")}`
+        : rewrittenDescription;
+
+    progress("完成！");
+    log("info", "pipeline.success", {
+      originalLength: recognizedText.length,
+      rewrittenLength: rewrittenDescription.length,
+    });
+
+    return {
+      success: true,
+      original: {
+        videoUrl,
+        description: recognizedText,
+        hashtags: hashtags || [],
+        title: "视频音频识别结果",
+      },
+      rewritten: {
+        description: rewrittenDescription,
+        title: rewrittenTitle,
+        fullContent,
+      },
+    };
+  } catch (e) {
+    const msg = (e && (e.stack || e.message)) || String(e);
+    log("error", "pipeline.error", { message: msg });
+    return { success: false, error: msg };
+  } finally {
+    if (videoPath) pipelineNative.deleteFile(videoPath);
+    if (audioPath) pipelineNative.deleteFile(audioPath);
+  }
+}
+
+globalThis.__nodejsMain = async function (params) {
+  const p = params || {};
+  const modelConfig = desktopConfig.buildModelConfig();
+  const check = desktopConfig.validateModelConfig(modelConfig);
+  if (!check.ok) {
+    return { success: false, error: check.error };
+  }
+  return processDouyinShareComplete(
+    p.shareText || p.share_text || "",
+    modelConfig,
+    p.rewriteConfig,
+    p.customPrompt || null
+  );
+};
--- a/scripts/nodejs/douyin_video_downloader.js
+++ b/scripts/nodejs/douyin_video_downloader.js
@@ -0,0 +1,484 @@
+"use strict";
+
+/**
+ * 抖音视频下载 — Puppeteer 版（参考 zhenqianba Electron DouyinVideoDownloader）
+ * 直链走 HTTP；分享链接用浏览器拦截 aweme detail API 后下载。
+ */
+
+const fs = require("fs");
+const path = require("path");
+const https = require("https");
+const http = require("http");
+
+const { DouyinBrowserManager, getRuntimeDataPath } = require("./douyin_browser_manager.js");
+
+const DIRECT_VIDEO_PATTERN =
+  /https?:\/\/[^\s"'<>]+?\.(mp4|mov|m4v|webm|avi|mkv)(\?[^\s"'<>]*)?/i;
+
+const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
+
+class DouyinVideoDownloader {
+  constructor(externalBrowser) {
+    this.externalBrowser = externalBrowser || null;
+    this.browserManager = DouyinBrowserManager.getInstance();
+    this.userDataPath = getRuntimeDataPath("browser-data", "douyin");
+  }
+
+  getDownloadDir() {
+    const downloadDir = getRuntimeDataPath("downloads", "videos");
+    if (!fs.existsSync(downloadDir)) {
+      fs.mkdirSync(downloadDir, { recursive: true });
+    }
+    return downloadDir;
+  }
+
+  inferVideoExtension(videoUrl) {
+    try {
+      const pathname = new URL(videoUrl).pathname.toLowerCase();
+      const matchedExt = pathname.match(/\.(mp4|mov|m4v|webm|avi|mkv)$/i);
+      if (matchedExt) return `.${matchedExt[1].toLowerCase()}`;
+    } catch (e) {
+      console.warn("inferVideoExtension failed:", e.message);
+    }
+    return ".mp4";
+  }
+
+  isDirectVideoUrl(videoUrl) {
+    return DIRECT_VIDEO_PATTERN.test(String(videoUrl || "").trim());
+  }
+
+  downloadRemoteFile(fileUrl, savePath, headers, redirectCount = 0) {
+    return new Promise((resolve, reject) => {
+      if (redirectCount > 5) {
+        reject(new Error("Too many redirects while downloading video"));
+        return;
+      }
+      const client = fileUrl.startsWith("https://") ? https : http;
+      const fileStream = fs.createWriteStream(savePath);
+      let settled = false;
+      const fail = (error) => {
+        if (settled) return;
+        settled = true;
+        fileStream.destroy();
+        if (fs.existsSync(savePath)) fs.unlinkSync(savePath);
+        reject(error);
+      };
+      const request = client.get(fileUrl, { headers }, (response) => {
+        const statusCode = response.statusCode ?? 0;
+        const location = response.headers.location;
+        if (statusCode >= 300 && statusCode < 400 && location) {
+          fileStream.close();
+          if (fs.existsSync(savePath)) fs.unlinkSync(savePath);
+          const redirectUrl = location.startsWith("http")
+            ? location
+            : new URL(location, fileUrl).toString();
+          this.downloadRemoteFile(redirectUrl, savePath, headers, redirectCount + 1)
+            .then(resolve)
+            .catch(reject);
+          return;
+        }
+        if (statusCode !== 200) {
+          fail(new Error(`HTTP ${statusCode}: ${response.statusMessage}`));
+          return;
+        }
+        response.pipe(fileStream);
+        fileStream.on("finish", () => {
+          if (settled) return;
+          settled = true;
+          fileStream.close();
+          resolve();
+        });
+      });
+      request.on("error", fail);
+      fileStream.on("error", (err) => {
+        request.destroy();
+        fail(err);
+      });
+      request.setTimeout(120000, () => {
+        request.destroy();
+        fail(new Error("Download timed out after 120 seconds"));
+      });
+    });
+  }
+
+  async initBrowser() {
+    if (this.externalBrowser) {
+      console.log("使用外部提供的浏览器实例");
+      return;
+    }
+    await this.browserManager.initBrowser();
+  }
+
+  async extractAwemeIdAsync(url) {
+    let normalizedUrl = String(url || "").trim();
+    if (!normalizedUrl.startsWith("http")) {
+      normalizedUrl = "https://" + normalizedUrl;
+    }
+    const patterns = [
+      /\/video\/(\d+)/,
+      /modal_id=(\d+)/,
+      /share\/video\/(\d+)/,
+      /item_id=(\d+)/,
+      /aweme_id=(\d+)/,
+    ];
+    for (const pattern of patterns) {
+      const match = normalizedUrl.match(pattern);
+      if (match) return match[1];
+    }
+    if (
+      normalizedUrl.includes("v.douyin.com") ||
+      normalizedUrl.includes("iesdouyin.com")
+    ) {
+      try {
+        const realUrl = await this.resolveShortUrl(normalizedUrl);
+        if (realUrl && realUrl !== normalizedUrl) {
+          for (const pattern of patterns) {
+            const match = realUrl.match(pattern);
+            if (match) return match[1];
+          }
+        }
+      } catch (e) {
+        console.error("解析短链接失败:", e.message);
+      }
+    }
+    return null;
+  }
+
+  resolveShortUrl(shortUrl) {
+    return new Promise((resolve, reject) => {
+      const url = new URL(shortUrl);
+      const options = {
+        hostname: url.hostname,
+        path: url.pathname + url.search,
+        method: "HEAD",
+        headers: {
+          "User-Agent":
+            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
+        },
+        timeout: 30000,
+      };
+      const req = https.request(options, (res) => {
+        if (
+          res.statusCode &&
+          res.statusCode >= 300 &&
+          res.statusCode < 400 &&
+          res.headers.location
+        ) {
+          resolve(res.headers.location);
+        } else {
+          resolve(shortUrl);
+        }
+      });
+      req.on("error", reject);
+      req.on("timeout", () => {
+        req.destroy();
+        reject(new Error("短链接解析超时"));
+      });
+      req.end();
+    });
+  }
+
+  interceptVideoInfo(page, awemeId) {
+    return new Promise((resolve) => {
+      let found = false;
+      const handler = async (response) => {
+        if (found) return;
+        const url = response.url();
+        if (
+          url.includes("aweme/v1/web/aweme/detail") &&
+          url.includes(awemeId)
+        ) {
+          try {
+            const text = await response.text();
+            let data;
+            try {
+              data = JSON.parse(text);
+            } catch {
+              const jsonStr = text.replace(/^[^{]*/, "");
+              data = JSON.parse(jsonStr);
+            }
+            if (data.aweme_detail) {
+              found = true;
+              page.off("response", handler);
+              resolve(data.aweme_detail);
+            }
+          } catch (error) {
+            console.error("解析 API 响应失败:", error.message);
+          }
+        }
+      };
+      page.on("response", handler);
+      setTimeout(() => {
+        if (!found) {
+          page.off("response", handler);
+          console.log("API 拦截超时，将尝试其他方法");
+          resolve(null);
+        }
+      }, 30000);
+    });
+  }
+
+  async downloadVideo(videoUrl, savePath) {
+    const headers = {
+      "User-Agent":
+        "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
+      Referer: "https://www.douyin.com/",
+      Accept: "*/*",
+      "Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8",
+    };
+    return this.downloadRemoteFile(videoUrl, savePath, headers);
+  }
+
+  async downloadDirectVideo(videoUrl) {
+    try {
+      if (!this.isDirectVideoUrl(videoUrl)) {
+        return { success: false, error: "Unsupported direct video url" };
+      }
+      const downloadDir = this.getDownloadDir();
+      const extension = this.inferVideoExtension(videoUrl);
+      const videoPath = path.join(downloadDir, `direct_${Date.now()}${extension}`);
+      const headers = {
+        "User-Agent":
+          "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
+        Accept: "*/*",
+        "Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8",
+      };
+      await this.downloadRemoteFile(videoUrl, videoPath, headers);
+      return {
+        success: true,
+        videoPath,
+        audioPath: videoPath.replace(path.extname(videoPath), "_audio.wav"),
+      };
+    } catch (error) {
+      return {
+        success: false,
+        error: error instanceof Error ? error.message : String(error),
+      };
+    }
+  }
+
+  async downloadDouyinVideo(videoUrl) {
+    let page = null;
+    try {
+      console.log("开始下载抖音视频:", videoUrl);
+      const awemeId = await this.extractAwemeIdAsync(videoUrl);
+      if (!awemeId) {
+        return { success: false, error: "无法从URL中提取视频ID，请检查链接格式" };
+      }
+      console.log("提取到视频ID:", awemeId);
+
+      const downloadDir = this.getDownloadDir();
+      const videoPath = path.join(
+        downloadDir,
+        `douyin_${awemeId}_${Date.now()}.mp4`
+      );
+
+      await this.initBrowser();
+      if (this.externalBrowser) {
+        page = await this.externalBrowser.newPage();
+      } else {
+        page = await this.browserManager.newPage();
+      }
+
+      const videoInfoPromise = this.interceptVideoInfo(page, awemeId);
+      const directVideoUrl = `https://www.douyin.com/video/${awemeId}`;
+      console.log("访问视频页面:", directVideoUrl);
+
+      try {
+        await page.goto(directVideoUrl, {
+          waitUntil: "domcontentloaded",
+          timeout: 30000,
+        });
+        const currentUrl = page.url();
+        const isLoginPage =
+          currentUrl.includes("/login") || currentUrl.includes("login?");
+        if (isLoginPage) {
+          console.log("页面跳转到登录页，尝试引导登录...");
+          await this.ensureLoggedIn(page);
+          await page.goto(directVideoUrl, {
+            waitUntil: "domcontentloaded",
+            timeout: 30000,
+          });
+          if (page.url().includes("/login")) {
+            return {
+              success: false,
+              error:
+                "无法访问视频页面，请先扫码登录抖音（设置 AICLIENT_PUPPETEER_HEADLESS=0 显示浏览器窗口）",
+            };
+          }
+        }
+      } catch (gotoError) {
+        console.log(
+          "页面 goto 超时（已忽略），继续等待 API:",
+          gotoError.message
+        );
+      }
+
+      const videoInfo = await videoInfoPromise;
+      if (!videoInfo) {
+        try {
+          const pageContent = await page.content();
+          if (pageContent.includes("aweme_detail")) {
+            return {
+              success: true,
+              videoPath,
+              videoInfo: {
+                aweme_id: awemeId,
+                desc: `抖音视频 ${awemeId}`,
+              },
+              audioPath: videoPath.replace(".mp4", "_audio.wav"),
+            };
+          }
+        } catch (pageError) {
+          console.error("页面解析失败:", pageError.message);
+        }
+        return {
+          success: false,
+          error: "无法获取视频信息，可能视频不存在或访问受限",
+        };
+      }
+
+      const videoUrls = videoInfo.video?.play_addr?.url_list;
+      if (!videoUrls || !videoUrls.length) {
+        return { success: false, error: "无法获取视频下载链接，可能视频版权限制" };
+      }
+
+      const downloadUrl = videoUrls[0];
+      console.log("开始下载视频文件...");
+      await this.downloadVideo(downloadUrl, videoPath);
+      console.log("视频下载完成:", videoPath, "size:", fs.statSync(videoPath).size);
+
+      return {
+        success: true,
+        videoPath,
+        videoInfo,
+        audioPath: videoPath.replace(".mp4", "_audio.wav"),
+      };
+    } catch (error) {
+      console.error("下载视频失败:", error);
+      let errorMessage = error instanceof Error ? error.message : String(error);
+      if (
+        errorMessage.includes("3221225781") ||
+        errorMessage.includes("0xC0000135")
+      ) {
+        errorMessage =
+          "浏览器启动失败（错误码: 0xC0000135）。请安装 VC++ 运行库: https://aka.ms/vs/17/release/vc_redist.x64.exe";
+      } else if (/puppeteer|browser|Could not find Chrome/i.test(errorMessage)) {
+        errorMessage =
+          "浏览器启动失败。请在 src-tauri/resources/nodejs 执行 npm install，或设置 AICLIENT_CHROMIUM_PATH";
+      } else if (/timeout/i.test(errorMessage)) {
+        errorMessage = "网络超时，请检查网络连接或重试";
+      }
+      return { success: false, error: errorMessage };
+    } finally {
+      if (page) {
+        try {
+          await page.close();
+        } catch (closeError) {
+          console.log("关闭页面失败:", closeError.message);
+        }
+      }
+    }
+  }
+
+  async ensureLoggedIn(page) {
+    try {
+      if (this.externalBrowser) {
+        console.log("使用外部浏览器，跳过登录检查");
+        return;
+      }
+      const loginCookieNames = [
+        "sessionid",
+        "uid_tt",
+        "LOGIN_STATUS",
+        "sid_guard",
+        "sid_tt",
+      ];
+      let cookies = await page.cookies("https://www.douyin.com");
+      let loginCookies = cookies.filter(
+        (c) => loginCookieNames.includes(c.name) && c.value
+      );
+      if (loginCookies.length > 0) {
+        console.log("检测到已登录 Cookie");
+        return;
+      }
+
+      await page.goto("https://www.douyin.com/", {
+        waitUntil: "domcontentloaded",
+        timeout: 30000,
+      });
+      await sleep(2000);
+
+      const isLoggedIn = await page.evaluate(() => {
+        const loginBtnSelectors = [
+          '[data-e2e="login-button"]',
+          ".login-btn",
+          'button[class*="login"]',
+        ];
+        const userInfoSelectors = [
+          '[data-e2e="user-info"]',
+          '[data-e2e="user-avatar"]',
+          '[class*="userInfo"]',
+          ".user-avatar",
+          ".nickname",
+        ];
+        const hasLoginButton = loginBtnSelectors.some((s) =>
+          document.querySelector(s)
+        );
+        const hasUserInfo = userInfoSelectors.some((s) =>
+          document.querySelector(s)
+        );
+        return hasUserInfo || !hasLoginButton;
+      });
+
+      if (isLoggedIn) {
+        console.log("用户已登录");
+        return;
+      }
+
+      const headless =
+        process.env.AICLIENT_PUPPETEER_HEADLESS !== "0" &&
+        process.env.AICLIENT_PUPPETEER_HEADLESS !== "false";
+      if (headless) {
+        console.log(
+          "无头模式下无法扫码登录。请设置环境变量 AICLIENT_PUPPETEER_HEADLESS=0 后重试"
+        );
+        return;
+      }
+
+      console.log("=".repeat(60));
+      console.log("请在浏览器窗口中使用抖音 APP 扫码登录");
+      console.log("=".repeat(60));
+
+      const loginTimeout = 120000;
+      const checkInterval = 3000;
+      const startTime = Date.now();
+      while (Date.now() - startTime < loginTimeout) {
+        await sleep(checkInterval);
+        cookies = await page.cookies("https://www.douyin.com");
+        loginCookies = cookies.filter(
+          (c) => loginCookieNames.includes(c.name) && c.value
+        );
+        if (loginCookies.length > 0) {
+          console.log("登录成功");
+          break;
+        }
+      }
+    } catch (error) {
+      console.error("登录引导失败:", error.message);
+    }
+  }
+
+  async close() {
+    if (this.externalBrowser) return;
+    try {
+      await this.browserManager.close();
+    } catch (error) {
+      console.error("关闭浏览器失败:", error.message);
+    }
+  }
+}
+
+DouyinVideoDownloader.DIRECT_VIDEO_PATTERN = DIRECT_VIDEO_PATTERN;
+
+module.exports = { DouyinVideoDownloader };
--- a/scripts/nodejs/pipeline_native.js
+++ b/scripts/nodejs/pipeline_native.js
@@ -0,0 +1,321 @@
+"use strict";
+
+/**
+ * Node 流水线宿主能力（对齐 QuickJS __native / Rust js_runtime/native.rs）
+ */
+
+const fs = require("fs");
+const path = require("path");
+const os = require("os");
+const crypto = require("crypto");
+const { spawn } = require("child_process");
+const https = require("https");
+const http = require("http");
+
+const TEMP_DIR = path.join(os.tmpdir(), "aiclient-node-pipeline");
+fs.mkdirSync(TEMP_DIR, { recursive: true });
+
+function sleep(ms) {
+  return new Promise((r) => setTimeout(r, ms));
+}
+
+function tempPath(prefix, ext) {
+  return path.join(TEMP_DIR, `${prefix}-${Date.now()}-${Math.random().toString(36).slice(2)}.${ext || "tmp"}`);
+}
+
+function deleteFile(p) {
+  try {
+    if (p && fs.existsSync(p)) fs.unlinkSync(p);
+  } catch (_) {
+    /* ignore */
+  }
+}
+
+function runCommand(cmd, args, timeoutMs = 300000) {
+  return new Promise((resolve, reject) => {
+    const child = spawn(cmd, args, { stdio: ["ignore", "pipe", "pipe"] });
+    let stderr = "";
+    child.stderr.on("data", (d) => {
+      stderr += d.toString();
+    });
+    const timer = setTimeout(() => {
+      child.kill();
+      reject(new Error(`命令超时: ${cmd}`));
+    }, timeoutMs);
+    child.on("error", (e) => {
+      clearTimeout(timer);
+      reject(e);
+    });
+    child.on("close", (code) => {
+      clearTimeout(timer);
+      if (code === 0) resolve();
+      else reject(new Error(`${cmd} 退出码 ${code}: ${stderr.slice(0, 500)}`));
+    });
+  });
+}
+
+function locateFfmpeg() {
+  if (process.env.AICLIENT_FFMPEG_PATH && fs.existsSync(process.env.AICLIENT_FFMPEG_PATH)) {
+    return process.env.AICLIENT_FFMPEG_PATH;
+  }
+  return process.platform === "win32" ? "ffmpeg.exe" : "ffmpeg";
+}
+
+async function ffmpegExtractAudio(videoPath) {
+  const dest = tempPath("audio", "wav");
+  const ffmpeg = locateFfmpeg();
+  await runCommand(ffmpeg, [
+    "-y",
+    "-i",
+    videoPath,
+    "-vn",
+    "-acodec",
+    "pcm_s16le",
+    "-ar",
+    "16000",
+    "-ac",
+    "1",
+    dest,
+  ]);
+  return dest;
+}
+
+function rfc1123Date() {
+  return new Date().toUTCString();
+}
+
+function signOss(secret, str) {
+  return crypto.createHmac("sha1", secret).update(str).digest("base64");
+}
+
+async function aliyunOssUpload(localPath, cfg) {
+  const ak = cfg.accessKeyId;
+  const sk = cfg.accessKeySecret;
+  const bucket = cfg.bucket;
+  const region = cfg.region;
+  if (!ak || !sk || !bucket || !region) {
+    return { success: false, error: "OSS 配置不完整" };
+  }
+  const objectKey = `audio/${Date.now()}-${Math.random().toString(36).slice(2)}.wav`;
+  const host = `${bucket}.${region}.aliyuncs.com`;
+  const endpoint = (cfg.endpoint || `https://${host}`).replace(/\/$/, "");
+  const url = `${endpoint}/${objectKey}`;
+  const body = fs.readFileSync(localPath);
+  const date = rfc1123Date();
+  const contentType = "audio/wav";
+  const canonicalizedResource = `/${bucket}/${objectKey}`;
+  const strToSign = `PUT\n\n${contentType}\n${date}\n${canonicalizedResource}`;
+  const signature = signOss(sk, strToSign);
+  const authorization = `OSS ${ak}:${signature}`;
+
+  return new Promise((resolve) => {
+    const u = new URL(url);
+    const opts = {
+      hostname: u.hostname,
+      port: u.port || 443,
+      path: u.pathname,
+      method: "PUT",
+      headers: {
+        Date: date,
+        "Content-Type": contentType,
+        Authorization: authorization,
+        "Content-Length": body.length,
+      },
+    };
+    const req = https.request(opts, (res) => {
+      const chunks = [];
+      res.on("data", (c) => chunks.push(c));
+      res.on("end", () => {
+        if (res.statusCode >= 200 && res.statusCode < 300) {
+          resolve({ success: true, url });
+        } else {
+          resolve({
+            success: false,
+            error: `OSS HTTP ${res.statusCode}: ${Buffer.concat(chunks).toString().slice(0, 200)}`,
+          });
+        }
+      });
+    });
+    req.on("error", (e) => resolve({ success: false, error: e.message }));
+    req.write(body);
+    req.end();
+  });
+}
+
+async function fetchJson(url, options = {}) {
+  const res = await fetch(url, options);
+  const text = await res.text();
+  let data;
+  try {
+    data = JSON.parse(text);
+  } catch {
+    data = { _raw: text };
+  }
+  if (!res.ok) {
+    throw new Error(`HTTP ${res.status}: ${text.slice(0, 300)}`);
+  }
+  return data;
+}
+
+async function aliyunAsrFiletrans(audioUrl, opts) {
+  const apiKey = opts.apiKey || opts.api_key;
+  const model = opts.model || "qwen3-asr-flash-filetrans";
+  if (!apiKey) {
+    return { success: false, error: "缺少 DashScope apiKey" };
+  }
+  const submit = await fetchJson(
+    "https://dashscope.aliyuncs.com/api/v1/services/audio/asr/transcription",
+    {
+      method: "POST",
+      headers: {
+        Authorization: `Bearer ${apiKey}`,
+        "Content-Type": "application/json",
+        "X-DashScope-Async": "enable",
+      },
+      body: JSON.stringify({
+        model,
+        input: { file_urls: [audioUrl] },
+        parameters: {},
+      }),
+    }
+  );
+  const taskId = submit?.output?.task_id;
+  if (!taskId) {
+    return { success: false, error: `ASR 提交失败: ${JSON.stringify(submit).slice(0, 200)}` };
+  }
+
+  for (let i = 0; i < 60; i++) {
+    await sleep(5000);
+    const poll = await fetchJson(
+      `https://dashscope.aliyuncs.com/api/v1/tasks/${taskId}`,
+      { headers: { Authorization: `Bearer ${apiKey}` } }
+    );
+    const status = poll?.output?.task_status;
+    if (status === "SUCCEEDED") {
+      const transUrl = poll?.output?.results?.[0]?.transcription_url;
+      if (!transUrl) {
+        return { success: false, error: "ASR 成功但无 transcription_url" };
+      }
+      const trans = await fetchJson(transUrl);
+      let fullText = "";
+      if (trans.transcripts && trans.transcripts.length) {
+        fullText = trans.transcripts.map((t) => t.text || "").filter(Boolean).join("\n");
+      } else if (trans.text) {
+        fullText = trans.text;
+      }
+      return { success: true, text: fullText };
+    }
+    if (status === "FAILED" || status === "UNKNOWN") {
+      return {
+        success: false,
+        error: poll?.output?.message || "ASR 任务失败",
+      };
+    }
+  }
+  return { success: false, error: "ASR 轮询超时" };
+}
+
+async function localAsr(audioPath, info) {
+  const baseUrl = (info.baseUrl || info.localPath || "").replace(/\/$/, "");
+  if (!baseUrl) {
+    return { success: false, error: "未配置本地 ASR 服务地址" };
+  }
+  const asrPath = info.asrPath || "/asr";
+  const url = `${baseUrl}${asrPath.startsWith("/") ? asrPath : `/${asrPath}`}`;
+  const boundary = `----aiclient${Date.now()}`;
+  const fileBuf = fs.readFileSync(audioPath);
+  const head = Buffer.from(
+    `--${boundary}\r\nContent-Disposition: form-data; name="audio"; filename="audio.wav"\r\nContent-Type: audio/wav\r\n\r\n`,
+    "utf8"
+  );
+  const tail = Buffer.from(`\r\n--${boundary}--\r\n`, "utf8");
+  const body = Buffer.concat([head, fileBuf, tail]);
+  const u = new URL(url);
+  const client = u.protocol === "https:" ? https : http;
+
+  return new Promise((resolve) => {
+    const req = client.request(
+      {
+        hostname: u.hostname,
+        port: u.port || (u.protocol === "https:" ? 443 : 80),
+        path: u.pathname + u.search,
+        method: "POST",
+        headers: {
+          "Content-Type": `multipart/form-data; boundary=${boundary}`,
+          "Content-Length": body.length,
+        },
+      },
+      (res) => {
+        const chunks = [];
+        res.on("data", (c) => chunks.push(c));
+        res.on("end", () => {
+          try {
+            const raw = Buffer.concat(chunks).toString("utf8");
+            const data = JSON.parse(raw);
+            if (data.code === 0 || data.success) {
+              const records =
+                data.data?.data?.records ||
+                data.data?.records ||
+                data.records ||
+                [];
+              const text = Array.isArray(records)
+                ? records.map((r) => r.text || "").join("")
+                : data.text || data.data?.text || "";
+              resolve({ success: true, text: String(text) });
+            } else {
+              resolve({ success: false, error: data.msg || data.error || raw.slice(0, 200) });
+            }
+          } catch (e) {
+            resolve({ success: false, error: e.message });
+          }
+        });
+      }
+    );
+    req.on("error", (e) => resolve({ success: false, error: e.message }));
+    req.write(body);
+    req.end();
+  });
+}
+
+async function openaiChat(req) {
+  let apiUrl = (req.apiUrl || "").replace(/\/$/, "");
+  if (!apiUrl.includes("/chat/completions")) {
+    apiUrl = apiUrl.endsWith("/v1")
+      ? `${apiUrl}/chat/completions`
+      : `${apiUrl}/v1/chat/completions`;
+  }
+  const body = {
+    model: req.model,
+    messages: req.messages,
+    stream: false,
+    temperature: typeof req.temperature === "number" ? req.temperature : 0.8,
+    max_tokens: req.max_tokens || req.maxTokens || 2000,
+  };
+  try {
+    const data = await fetchJson(apiUrl, {
+      method: "POST",
+      headers: {
+        Authorization: `Bearer ${req.apiKey}`,
+        "Content-Type": "application/json",
+      },
+      body: JSON.stringify(body),
+    });
+    const content = data?.choices?.[0]?.message?.content;
+    if (!content) {
+      return { success: false, error: "模型返回为空" };
+    }
+    return { success: true, content: String(content).trim() };
+  } catch (e) {
+    return { success: false, error: e.message };
+  }
+}
+
+module.exports = {
+  tempPath,
+  deleteFile,
+  ffmpegExtractAudio,
+  aliyunOssUpload,
+  aliyunAsrFiletrans,
+  localAsr,
+  openaiChat,
+};
--- a/scripts/nodejs/video_rewrite_optimizer.js
+++ b/scripts/nodejs/video_rewrite_optimizer.js
@@ -0,0 +1,66 @@
+"use strict";
+
+/** 仿写提示词（对齐 zhenqianba VideoRewriteOptimizer） */
+
+class VideoRewriteOptimizer {
+  static replacePromptVariables(template, content) {
+    return String(template)
+      .replace(/\{\{content\}\}/g, content)
+      .replace(/\{content\}/g, content)
+      .replace(/\{\{text\}\}/g, content)
+      .replace(/\{text\}/g, content);
+  }
+
+  static getStyleGuide(style) {
+    const guides = {
+      casual: "轻松随意、接地气、易产生共鸣，像和朋友聊天一样",
+      professional: "正式专业、有信服力、适合商务或教育内容",
+      emotional: "充满情感、富有感染力、能打动人心",
+      humorous: "幽默诙谐、容易引起笑声和转发、保持积极态度",
+    };
+    return guides[style] || guides.casual;
+  }
+
+  static getLengthGuide(length) {
+    const guides = {
+      short: "简洁有力，100字以内，快速传达核心信息",
+      medium: "适中篇幅，100-300字，既能完整表达又不显冗长",
+      long: "详细深入，300-500字，充分展开论点和细节",
+    };
+    return guides[length] || guides.medium;
+  }
+
+  static buildDefaultPrompt(content, config) {
+    const cfg = config || {};
+    const styleGuide = this.getStyleGuide(cfg.style || "casual");
+    const lengthGuide = this.getLengthGuide(cfg.length || "medium");
+    return `你是一个专业的视频内容创意编写专家，擅长创作吸引人的视频文案。
+
+## 原始文案：
+${content}
+
+## 仿写要求：
+1. **风格**: ${styleGuide}
+2. **长度**: ${lengthGuide}
+3. **核心保持**: 保留原文案的核心信息和主题
+4. **创意提升**: 在措辞、表述角度、情感吸引力上创新
+5. **格式**:
+   ${cfg.keepHashtags !== false ? "- 保留原有话题标签（#开头的内容）" : "- 不使用话题标签"}
+   ${cfg.keepEmoji !== false ? "- 可以适当添加表情符号增加生动性" : "- 不使用表情符号"}
+6. **禁止事项**:
+   - 不要改变事实信息
+   - 不要添加虚假承诺
+   - 不要包含敏感词汇
+
+请直接输出仿写后的文案，不需要任何额外说明或标记。`;
+  }
+
+  static buildRewritePrompt(content, config = {}, customPrompt) {
+    if (customPrompt && String(customPrompt).trim()) {
+      return this.replacePromptVariables(customPrompt, content);
+    }
+    return this.buildDefaultPrompt(content, config);
+  }
+}
+
+module.exports = { VideoRewriteOptimizer };
--- a/scripts/quickjs/douyin_pipeline.js.bakcup
+++ b/scripts/quickjs/douyin_pipeline.js.bakcup