1、增加调用 AI 视频生成能力和虚拟素材库管理的对外api

2、增加后台apikkey管理
3、增加apikey单独的模型定价
4、增加apikey调用情况
5、完善所有数据的注释增加

video-gen-api/app/models/video_upscale_task.py

@@ -34,6 +34,12 @@ class VideoUpscaleTask(Base, TimestampMixin):
         ForeignKey("generation_records.id", ondelete="CASCADE"),
         nullable=True,
     )
+    api_generation_task_id: Mapped[str | None] = mapped_column(
+        String(32),
+        ForeignKey("api_generation_tasks.id", ondelete="CASCADE"),
+        nullable=True,
+        index=True,
+    )
 
     status: Mapped[str] = mapped_column(String(32), nullable=False, default="pending", server_default="pending")
     stage: Mapped[str] = mapped_column(String(48), nullable=False, default="upscale_queued", server_default="upscale_queued")