B1
Item identity and status event contract is documented and accepted for the POC.
in progress CODE TEST
Satisfied by WI: WI-026 WI-044
B2
QR resolver and item binding demo is proven without exposing mutable internal IDs.
in progress CODE TEST
Satisfied by WI: WI-026 WI-045
B3
CSV sold/status roundtrip works using current primitives.
in progress CODE TEST
Satisfied by WI: WI-026 WI-046
B4
QR/identity binding tables (qr_codes / item_identity_bindings) model opaque public codes, binding state, and binding history.
in progress CODE TEST
Satisfied by WI: WI-026 WI-047
B5
Inventory status-event audit contract records transitions for reconciliation and recovery.
in progress CODE TEST
Satisfied by WI: WI-026 WI-048

Work items (6)

Code	Item	Status	Priority / risk	Owner	Gates
WI-026	Sprint 1: Spine POC - identity/status/QR foundation sprint-1-spine-poc	in progress	P0 high risk	Codex	B1 B2 B3 B4 B5
WI-044	Item identity + status-event contract spine-identity-status	queued	P1 medium risk	Codex	B1
WI-045	Opaque QR resolver + buyer-safe resolution spine-qr-resolver	queued	P1 medium risk	Codex	B2
WI-046	CSV sold/status roundtrip on existing primitives spine-csv-roundtrip	queued	P1 medium risk	Codex	B3
WI-047	qr_codes / item_identity_bindings tables spine-qr-tables	queued	P1 medium risk	Codex	B4
WI-048	inventory_status_events audit trail spine-status-audit	queued	P1 medium risk	Codex	B5

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