- Hand-write 0008_offer_tier_schema.sql: additive ALTER TABLE ADD COLUMN IF NOT EXISTS for offer_macros/offer_micros, guarded DO-block CHECK constraint on tier_letter, CREATE TABLE IF NOT EXISTS offer_tier_services + index
- Append journal entry for 0008_offer_tier_schema following the 0006 entry shape
- Add scripts/push-12-offer-tier-schema.ts: idempotent push script with PRODUCTION DEPLOY NOTE — BLOCKING step for Plan 02 (SSH+docker exec) before Wave 3 query layer
