fix(cli): re-throw errors in non-interactive mode (#11849)

packages/cli/src/nonInteractiveCli.ts

@@ -71,6 +71,7 @@ export async function runNonInteractive(
         ? new StreamJsonFormatter()
         : null;
 
+    let errorToHandle: unknown | undefined;
     try {
       consolePatcher.patch();
       coreEvents.on(CoreEvent.UserFeedback, handleUserFeedback);
@@ -213,6 +214,8 @@ export async function runNonInteractive(
                 message: 'Maximum session turns exceeded',
               });
             }
+          } else if (event.type === GeminiEventType.Error) {
+            throw event.value.error;
           }
         }
 
@@ -302,7 +305,7 @@ export async function runNonInteractive(
         }
       }
     } catch (error) {
-      handleError(error, config);
+      errorToHandle = error;
     } finally {
       consolePatcher.cleanup();
       coreEvents.off(CoreEvent.UserFeedback, handleUserFeedback);
@@ -310,5 +313,9 @@ export async function runNonInteractive(
         await shutdownTelemetry(config);
       }
     }
+
+    if (errorToHandle) {
+      handleError(errorToHandle, config);
+    }
   });
 }