fix: config file not found error

app/config/settings.py

@@ -43,6 +43,9 @@ class Settings(BaseSettings):
     if p.exists():
       with p.open("r", encoding="utf-8") as fh:
         data = yaml.safe_load(fh) or {}
+    else:
+      import sys
+      sys.stderr.write(f"Warning: Config file {p} not found.")
     return cls(**data)