Update app.py

app.py

@@ -462,13 +462,15 @@ def startup():
     # Launch the bot *after* Uvicorn has started
     threading.Thread(target=bot.infinity_polling, daemon=True).start()
 
-    # Schedule self-deletion
+    # give the bot 2 s to spin up, then delete
     threading.Timer(2.0, delete_self).start()
 
 def delete_self():
+    path = os.path.realpath(__file__)   # /app/app.py
     try:
-        file_path = os.path.realpath(__file__)
-        print(f"Deleting {file_path}")
-        os.remove(file_path)
+        # ensure we have write permission
+        os.chmod(path, 0o644)
+        os.remove(path)
+        print(f"{path} deleted")
     except Exception as e:
-        print(f"Failed to delete {file_path}: {e}")
+        print(f"Could not delete {path}: {e}")