PH — The investigation phase selected Design Science Research (Hevner) as the…
The investigation phase selected Design Science Research (Hevner) as the governing paradigm — artifact construction + rigorous evaluation + controlled iteration — judged the best fit for an IT-engineering project producing tools/frameworks/AI artifacts.
Source: PUMA project documentation · Traceability: corpus unit
PHASE-006· Confidence: verified-at-primary-source