filter_var( env('prescription_ai.ENABLE', env('prescription_ai.enable', true)), FILTER_VALIDATE_BOOLEAN ), 'base_url' => rtrim((string) env( 'prescription_ai.BASE_URL', env('prescription_ai.base_url', '') ), '/'), 'timeout' => (int) env( 'prescription_ai.TIMEOUT', env('prescription_ai.timeout', 90) ), 'models' => [ 'qwen' => [ 'name' => 'qwen3.6-35b', 'label' => '千问', 'api_key' => (string) env( 'prescription_ai.QWEN_API_KEY', env('prescription_ai.qwen_api_key', '') ), ], 'openai' => [ 'name' => 'gpt-5.6-sol', 'label' => 'OpenAI', 'api_key' => (string) env( 'prescription_ai.OPENAI_API_KEY', env('prescription_ai.openai_api_key', '') ), ], ], ];