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db/migrations/014_plan_revisions.sql

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+CREATE TABLE plan_revisions (
+ id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+ user_id uuid NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+ plan_id uuid NOT NULL REFERENCES roast_plans(id) ON DELETE CASCADE,
+ plan jsonb NOT NULL,
+ name text NOT NULL DEFAULT '',
+ created_at timestamptz NOT NULL DEFAULT now()
+);
+CREATE INDEX plan_revisions_plan ON plan_revisions(user_id, plan_id, created_at DESC);
+ALTER TABLE actual_roasts ADD COLUMN IF NOT EXISTS manual_key text;
+CREATE UNIQUE INDEX actual_roasts_manual_once ON actual_roasts(user_id, manual_key);
+ALTER TABLE actual_roasts ADD COLUMN IF NOT EXISTS plan_snapshot jsonb;