8 bite-sized tasks (cert part-line model -> form -> creation -> CoC report
-> traveller -> grouping switch -> migration -> verify). Cert multi-part
support lands before the grouping flip so it is never a compliance
regression. Tests are committed TransactionCase artifacts run on an
Enterprise env (local Community cannot install fusion_plating); plus a
read-only entech signature smoke.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>