feat: track download logs (ip, browser, device, time)

backend/app/schemas.py

@@ -84,3 +84,23 @@ class LoginRequest(BaseModel):
 class TokenResponse(BaseModel):
     access_token: str
     token_type: str = "bearer"
+
+
+class DownloadLogInfo(BaseModel):
+    id: int
+    video_id: int
+    ip: str
+    user_agent: str
+    browser: str
+    device: str
+    downloaded_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class DownloadLogListResponse(BaseModel):
+    logs: list[DownloadLogInfo]
+    total: int
+    page: int
+    page_size: int