Group normalized shipment rows into deduped shipments and gradeable
coverage lines (patient -> device -> shipment), the structural fix for the
row-keyed worklist bug (six months of orders no longer = six worklist lines).
- Locked dedup key (patient_id, device_type, date_of_service); order_number
is display-only. Monthly resupplies stay separate, not duplicates.
- Client-mapped plan_type carried through, never guessed from payer name;
conflicting plan types in a group route to "plan type needed".
- Quantity merge: sum across distinct component configs, max within a config
(duplicate guard) with a warning breadcrumb on disagreement.
- CGM gradeable this phase; pumps preserved/displayed but not graded.
Additive only: not yet wired into the live pipeline, grading unchanged.
30 tests green (full suite 46), code-auditor reviewed (M1/M2/L1/L2/L3 fixed).
Design: docs/dedup-design-2026-06-24.md, docs/readiness-model-brief-2026-06-23.md
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
