SPR — Sprint 12: Closure (v4.0.0)
Sprint 12 — Closure (v4.0.0). Resolved D23–D26 via mandatory E2E test; PyPI puma-cp; human-supervision PAUSE gates. Each sprint produced ≥1 verifiable deliverable expressed as an OKR, managed as a one-person Agile adaptation (Scrum + Spec-Driven Development + Design Science Research).
Source: PUMA project documentation + raw benchmark results · Traceability: ANXHN-017,ANXHN-018 · Confidence: verified-at-primary-source