docs: audit du temps verbal "legacy" dans la doc active

docs: reconcilier README et spec.md avec l'IA reelle XerOCR (4 onglets)

docs(spec): reecrire la section architecture contre la realite 0.9.0

chore: finir le retrait execution_mode (audit du commit precedent)

refactor(adapters): retrait de execution_mode (mensonge structurel)

docs(reference): Y4 — réécrit views.md aligné sur 0.9.x (Phase 19-23 + audit X1-X4)

chore(versioning): reposition project as 0.9.0 (pre-1.0)

docs(reference): remove sprint narrative (Phase 2 L3)

docs(root): move ACCESSIBILITY and SPECS out of root to their proper sections

docs(archive): consolidate audits, migration, pre-v2 roadmap under docs/archive/

test(rename): dé-sprintage tests/reports (29 fichiers, git mv)

test(rename): dé-sprintage tests/evaluation (53 fichiers, git mv)

chore: Phase B3-final commit 7 — CHANGELOG + budgets + doc API stable

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

docs(api-stable): aligner avec l'arborescence v2.0 + ruptures post-rewrite

docs(sprint-H.9): archive migration plans + cleanup stale doc paths

feat(sprint-H.4)!: drop _legacy/ prefix — interfaces/{cli,web} consolidées

feat(sprint-H.5): cleanup baselines + tests obsolètes

feat(sprint-H.3)!: renommage reports_v2/ → reports/

feat(sprint-F)!: web/ → interfaces/web/_legacy/ (Phase 9)

feat(sprint-E.6)!: suppression complète de picarones/measurements/

feat(sprint-E.3): metrics.py → evaluation/metrics/text_metrics.py + suppression importlib detours

feat(sprint-D.6.b)!: suppression complète de measurements/runner/

feat(migration): Phase 7.B.2 — PipelineRunner.run délègue à PipelineExecutor

feat(migration): Lot F — picarones/report/ → reports_v2/ (suppression complète)

feat(migration): Lot C — core.{results,corpus,pipeline} → evaluation/

feat(migration): Lot B — core.{metric_registry,metric_hooks,metrics} → evaluation/

feat(migration): Lot A — core.{modules,facts} → domain/, suppression des shims

docs: nettoyage architecture 3-cercles → 8-couches dans tous les docs

docs: refonte Diataxis + 8 documents institutionnels (S60)