chore: archive v55.0 Deep Refactoring & Tooling milestone

v55.0 Deep Refactoring & Tooling — toolchain, formatting, ORM schema,…

… tests (shipped 2026-05-27)

v54.0: User Management & Dead Code Cleanup

v53.0: Authentication & Infrastructure — real login, email lookup, in…

…tegration CRUD

CRM & Reports Implementation — shipped 2026-05-26

v51.0: Build Stabilization & API Modernization

v50.0 Codebase Consolidation — Build repair, duplicate cleanup, found…

…ation fix

v49.0 Infinite Transcendence — completed 2026-05-24

Release v1.0.2: enhanced validation across API modules

Release v1.0.1 - Nix integration, StrictData, LiquidHaskell annotatio…

…ns, STM cache, batch inserts