chore: phase 10 — purge drift docstrings + soak test opt-in

docs(code): retire la narration sprint de picarones/formats (B=6, comment-only)

chore(quality): ratchet ruff (ISC/FLY/G) + mypy strict formats/ + Protocol NER (P1.3/P1.4)

audit scientifique: bootstrap, anti-hallucination, normalisation, corrélation

chore(audit): Phase 0 quick wins — entry point + numérotation couches

fix(sprint-S1.4): forbid_dtd=True + tests d'attaque XXE/Billion Laughs/DTD

docs(sprint-H.8): cleanup obsolete legacy/shim language in production docstrings

feat(migration): Phase 1 partielle — 3 modules core/ migrés vers canonique

feat(evaluation): Sprint A14-S13 — DefaultEvaluationViewExecutor + ProjectorRegistry + ré-ordonnancement des couches

feat(formats): Sprint A14-S9 — formats/alto/, formats/pagexml/, migration normalization

feat(architecture): Sprint A14-S3 — squelette nouvelle architecture + tests d'invariants