fix psalm issue

Signed-off-by: Julien Veyssier <julien-nc@posteo.net>

Author: julien-nc

lib/Controller/ChattyLLMController.php

@@ -548,7 +548,7 @@ public function regenerateForSession(int $sessionId, int $messageId): JSONRespon
 	 *
 	 * @param int $taskId The message generation task ID
 	 * @param int $sessionId The chat session ID
-	 * @return JSONResponse<Http::STATUS_OK, AssistantChatAgencyMessage, array{}>|JSONResponse<Http::STATUS_EXPECTATION_FAILED, array{task_status: int, slow_pickup: bool}, array{}>|JSONResponse<Http::STATUS_INTERNAL_SERVER_ERROR|Http::STATUS_UNAUTHORIZED|Http::STATUS_BAD_REQUEST|Http::STATUS_NOT_FOUND, array{error: string}, array{}>
+	 * @return JSONResponse<Http::STATUS_OK, AssistantChatAgencyMessage, array{}>|JSONResponse<Http::STATUS_EXPECTATION_FAILED, array{task_status: int, slow_pickup: bool, task_output?: array<array-key, list<numeric|string>|numeric|string>|null}, array{}>|JSONResponse<Http::STATUS_INTERNAL_SERVER_ERROR|Http::STATUS_UNAUTHORIZED|Http::STATUS_BAD_REQUEST|Http::STATUS_NOT_FOUND, array{error: string}, array{}>
 	 * @throws MultipleObjectsReturnedException
 	 * @throws \OCP\DB\Exception
 	 *