add prefix

main.py

@@ -23,6 +23,7 @@ BASE_DIR = Path("/usr/src/app/taobin_project")
 # BASE_DIR = Path("/taobin_project")
 
 SERVICE_NAME = os.getenv("SERVICE_NAME")
+PREFIX = os.getenv("PREFIX", "")
 
 GIT_REPO_SERVER_URL = os.getenv("GIT_REPO_SERVER_URL")
 FRONTEND_NOTIFY_URL = os.getenv("FRONTEND_NOTIFY_URL")
@@ -168,6 +169,10 @@ def _enable_legacy_ssh(transport):
 
 def open_adv_sftp(cfg: dict):
     """Open an SFTP session to a country's adv FTP server. Caller must close both."""
+    if not cfg.get("host"):
+        raise HTTPException(500, "ADV SFTP host not configured")
+    if not cfg.get("remote_dir"):
+        raise HTTPException(500, f"ADV SFTP remote_dir not configured for host {cfg.get('host')}")
     if not cfg.get("password"):
         raise HTTPException(500, f"ADV SFTP password not configured for host {cfg.get('host')}")
     transport = paramiko.Transport((cfg["host"], cfg["port"]))
@@ -709,4 +714,4 @@ async def upload_inter_images(
     return {
         "uploaded": saved,
         "git_commit": git_response
-    }
+    }