dominicrume/cantor8_kya_rails: SHORTCUTS.md

# Shortcut log. A written shortcut is a debt paid on our schedule. | date | shortcut | why | repay by | |---|---|---|---| | 2026-08-29 | MockLedger mirrors Daml assertions in Python for offline demo | venue network unknown | venue: swap to c8lab DevNet calls | | 2026-08-29 | Charge records value, do