diff --git a/DIRECTIVE_WORKFLOW_FAISABILITE_V11_20260810.md b/_archived_versions/DIRECTIVE_WORKFLOW_FAISABILITE_V11_20260810.md.archived
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rename from DIRECTIVE_WORKFLOW_FAISABILITE_V11_20260810.md
rename to _archived_versions/DIRECTIVE_WORKFLOW_FAISABILITE_V11_20260810.md.archived
diff --git a/_archived_versions/README.md b/_archived_versions/README.md
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+# _archived_versions
+
+Ce dossier contient les directives V10, V11, V12 archivées.
+
+**Ne plus utiliser comme référence active.** Seule V18 est officielle.
+
+Voir DIRECTIVE_V18_MASTER_FEASIBILITY_ENGINE_20260810.md à la racine.