-init-

finish.sh

@@ -228,7 +228,10 @@ $prompt"
             }')
             ;;
         *)
-            payload=$(echo "$base_payload" | jq '. + {response_format: {type: "json_object"}}')
+            # Default OpenAI-compatible providers increasingly expect
+            # response_format.type to be either "text" or a json_schema.
+            # Use "text" for maximum compatibility to avoid 400 errors.
+            payload=$(echo "$base_payload" | jq '. + {response_format: {type: "text"}}')
             ;;
     esac
     echo "$payload"