ci(compose): validate base+prod merge in CI and freeze invariants

test(rename): dé-sprintage tests/integration (12 fichiers) + fix chemin Makefile:81

fix(docker): corrige le drift port/version (P0.4)

docs: Phase 2 — vérité documentaire (compteurs, fantômes, legacy refs)

feat(docs): Sprint A2 — Tests de cohérence documentation (m-12 + gates A13/A14)

Centraliser la config ruff et rendre le lint bloquant (vrai fix)

Sprint 9 : documentation, packaging, Docker et CI/CD — version 1.0.0