feat: #1796 MediaKit 对口型后端对接 (#1801)

Co-authored-by: xiaoxia <dev@xiaoxiajianji.com>
Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>

packages/adapters/sqlalchemy_impl/models.py

@@ -668,3 +668,37 @@ class ScriptModel(Base):
     tags = Column(JSON, nullable=False, default=list)
     created_at = Column(DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc))
     updated_at = Column(DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc))
+
+
+class LipsyncJobModel(Base):
+    """对口型任务 ORM 模型 — #1796 MediaKit 对口型.
+
+    记录用户提交的对口型任务，跟踪 MediaKit 异步任务状态。
+    """
+
+    __tablename__ = "lipsync_jobs"
+
+    id = Column(String(36), primary_key=True)
+    user_id = Column(String(36), nullable=False, index=True)
+    project_id = Column(String(36), nullable=False, default="", index=True)
+
+    # 输入参数
+    video_url = Column(Text, nullable=False)
+    audio_url = Column(Text, nullable=False)
+    enable_video_loop = Column(Boolean, nullable=False, default=False)
+
+    # MediaKit 任务状态
+    mediakit_task_id = Column(String(200), nullable=False, default="", index=True)
+    status = Column(
+        String(20), nullable=False, default="pending", index=True
+    )  # pending → submitted → processing → completed → failed
+    output_video_url = Column(Text, nullable=False, default="")
+    output_duration = Column(Float, nullable=False, default=0.0)
+    error_message = Column(Text, nullable=False, default="")
+    error_code = Column(String(100), nullable=False, default="")
+
+    # 时间戳
+    submitted_at = Column(DateTime, nullable=True)
+    completed_at = Column(DateTime, nullable=True)
+    created_at = Column(DateTime, nullable=False, default=lambda: datetime.now(timezone.utc))
+    updated_at = Column(DateTime, nullable=False, default=lambda: datetime.now(timezone.utc))