/** Storage type configuration key (s3, gcs, auto). */
    public static final String STORAGE_TYPE = "storage.type";

    /** RAG LLM name configuration key. */
    public static final String RAG_LLM_NAME = "rag.llm.name";

    /** Storage region configuration key (for S3). */
    public static final String STORAGE_REGION = "storage.region";

    /** Storage project ID configuration key (for GCS). */

labels.storage_type_auto=自動
labels.storage_type_s3=S3
labels.storage_type_gcs=GCS
labels.storage_region=區域
labels.storage_project_id=專案ID
labels.storage_credentials_path=憑證路徑
labels.general_rag=AI模式
labels.rag_llm_name=LLM供應商
labels.llm_log_level=日誌級別
labels.send_testmail=發送測試郵件
labels.backup_configuration=備份
labels.backup_name=名稱
labels.backup_bulk_file=批量檔案
labels.backup_button_upload=上傳

    public String storageCredentialsPath;

    /**
     * RAG LLM provider name.
     * Selects which LLM client to use for RAG operations.
     */
    @Size(max = 100)
    public String ragLlmName;

    /**
     * LLM log level.
     * Controls the logging level for LLM-related packages.
     */
    @Size(max = 10)
    public String llmLogLevel;