ALTER TABLE AI_MODEL_CONFIG ADD ENABLE_THINKING NUMBER(1, 0);
ALTER TABLE AI_MODEL_CONFIG ADD MULTI_MODEL NUMBER(1, 0);

COMMENT ON COLUMN AI_MODEL_CONFIG.ENABLE_THINKING IS '是否启用 thinking，仅 LLM 类型有效';
COMMENT ON COLUMN AI_MODEL_CONFIG.MULTI_MODEL IS '是否启用多模态，仅 LLM 类型有效';
