# Technical Changelog > Chronological log of technical changes — what and why. ## 2026-05-05 — Codebase Mapping **Co zrobiono / What changed:** - Initial codebase map created in `.paul/codebase/` (9 documents) - Analyzed stack, architecture, structure, conventions, integrations, concerns, DB schema **Dlaczego / Why:** - First-time PAUL project setup — baseline documentation for future planning ---