Implement POS and cash session flow with stock impact, kardex traceability, and reliable sale completion tests. Use when implementing or reviewing step 6 to optimize operational consistency and checkout reliability.
Implement an end-to-end POS flow that is operationally safe and auditable.
cash and electronic stub) with deterministic states.references/pos-integration-checklist.md for closure checks.references/state-machine-template.md for flow consistency.references/market-aspirations.md for KPI and market-alignment guidance.