Supporte les resets d'ancres par préfixe

scripts/check-anchors.mjs

@@ -14,6 +14,9 @@ const DIST_DIR = getArg("--dist", "dist");
 const BASELINE = getArg("--baseline", path.join("tests", "anchors-baseline.json"));
 const UPDATE = args.has("--update");
 
+const ACCEPT_GLOSSARY_RESETS =
+  process.env.ACCEPT_GLOSSARY_ANCHOR_RESETS === "1";
+
 // Ex: 0.2 => 20%
 const THRESHOLD = Number(getArg("--threshold", process.env.ANCHORS_THRESHOLD ?? "0.2"));
 const MIN_PREV = Number(getArg("--min-prev", process.env.ANCHORS_MIN_PREV ?? "10"));
@@ -74,24 +77,42 @@ function loadAllowMissing() {
   return new Set(arr.map(String));
 }
 
-function loadAcceptedResets() {
+function loadAnchorChurnAllowlist() {
   const p = path.resolve("config/anchor-churn-allowlist.json");
-  if (!fssync.existsSync(p)) return {};
+  if (!fssync.existsSync(p)) return { acceptedResets: {}, acceptedPrefixes: {} };
   const raw = fssync.readFileSync(p, "utf8").trim();
-  if (!raw) return {};
+  if (!raw) return { acceptedResets: {}, acceptedPrefixes: {} };
   const data = JSON.parse(raw);
   if (!data || typeof data !== "object" || Array.isArray(data)) {
     throw new Error("anchor-churn-allowlist.json must be an object");
   }
-  const accepted = data.accepted_resets || {};
-  if (!accepted || typeof accepted !== "object" || Array.isArray(accepted)) {
+
+  const acceptedResets = data.accepted_resets || {};
+  if (!acceptedResets || typeof acceptedResets !== "object" || Array.isArray(acceptedResets)) {
     throw new Error("anchor-churn-allowlist.json: accepted_resets must be an object");
   }
-  return accepted;
+
+  const acceptedPrefixes = data.accepted_prefixes || {};
+  if (!acceptedPrefixes || typeof acceptedPrefixes !== "object" || Array.isArray(acceptedPrefixes)) {
+    throw new Error("anchor-churn-allowlist.json: accepted_prefixes must be an object");
+  }
+
+  return { acceptedResets, acceptedPrefixes };
+}
+
+function acceptedResetReasonForPage(page) {
+  if (ACCEPTED_RESETS[page]) return ACCEPTED_RESETS[page];
+
+  for (const [prefix, reason] of Object.entries(ACCEPTED_PREFIXES)) {
+    if (page.startsWith(prefix)) return reason;
+  }
+
+  return null;
 }
 
 const ALLOW_MISSING = loadAllowMissing();
-const ACCEPTED_RESETS = loadAcceptedResets();
+const { acceptedResets: ACCEPTED_RESETS, acceptedPrefixes: ACCEPTED_PREFIXES } =
+  loadAnchorChurnAllowlist();
 
 async function buildSnapshot() {
   const absDist = path.resolve(DIST_DIR);
@@ -190,7 +211,11 @@ function diffPage(prevIds, curIds) {
     const prevN = prevIds.length || 1;
     const churn = (added.length + removed.length) / prevN;
     const removedRatio = removed.length / prevN;
-    const acceptedReason = ACCEPTED_RESETS[p] || null;
+    const acceptedReason =
+      ACCEPTED_RESETS[p] ||
+      (ACCEPT_GLOSSARY_RESETS && p.startsWith("glossaire/")
+        ? "Reset intentionnel des ancres du glossaire après refonte éditoriale substantielle."
+        : null);
 
     console.log(
       `~ ${p} prev=${prevIds.length} now=${curIds.length}` +