feat: initialize aivideo project

backend/app/modules/video_models/schema.py

@@ -0,0 +1,23 @@
+from pydantic import BaseModel
+
+
+class VideoModelPayload(BaseModel):
+    model_key: str
+    model_name: str
+    frontend_title: str
+    frontend_description: str = ""
+    default_duration_seconds: int = 8
+    default_ratio: str = "16:9"
+    default_resolution: str = "1280x720"
+    status: int = 1
+    sort_order: int = 0
+
+
+class BindingPayload(BaseModel):
+    video_model_id: int
+    provider_model_id: int
+    routing_priority: int = 10
+    is_primary: bool = False
+    status: int = 1
+    timeout_seconds_override: int | None = None
+