-- 召回反馈从执行表迁到 plan 表(反馈是对 plan 本身的判断,不属于某次执行)
-- 2 列:recall_feedback(up/down,立柱可聚合反推算法问题)+ note(文字,人读)
ALTER TABLE "followup_plans"
  ADD COLUMN "recall_feedback"      TEXT,
  ADD COLUMN "recall_feedback_note" TEXT;

-- plan_executions: 删除旧的多选 recall_feedback(试部署无需保留)
ALTER TABLE "plan_executions" DROP COLUMN IF EXISTS "recall_feedback";
