env('AI_DEFAULT_PROVIDER'), 'timeout' => (int) env('AI_TIMEOUT', 60), 'max_output_tokens' => (int) env('AI_MAX_OUTPUT_TOKENS', 2048), 'temperature' => (float) env('AI_TEMPERATURE', 0.3), 'retain_executions_days' => (int) env('AI_RETAIN_EXECUTIONS_DAYS', 90), ];