chore(glossaire): renforcer l'audit de gouvernance du graphe

scripts/audit-glossary-navigation.mjs

@@ -3,65 +3,154 @@ import path from "path";
 import yaml from "js-yaml";
 
 const ROOT = "src/content/glossaire";
+const DEFAULTS_FILE = "src/lib/glossary-navigation-defaults.ts";
+const HUB_LIMIT = 5;
 
-const files = fs.readdirSync(ROOT).filter(f => f.endsWith(".md"));
+const defaultsRaw = fs.readFileSync(DEFAULTS_FILE, "utf-8");
 
-const slugs = new Set(files.map(f => f.replace(".md", "")));
+const defaultFamilies = new Set(
+  [...defaultsRaw.matchAll(/^\s{4}"?([a-z0-9-]+)"?\s*:/gm)].map((m) => m[1]),
+);
 
-let missingNavigation = [];
-let edges = {};
-let incoming = {};
+const files = fs.readdirSync(ROOT).filter((f) => f.endsWith(".md"));
+const slugs = new Set(files.map((f) => f.replace(".md", "")));
+
+const entries = [];
 
 for (const file of files) {
   const full = path.join(ROOT, file);
   const raw = fs.readFileSync(full, "utf-8");
-
-  if (!raw.startsWith("---")) continue;
-
-  const data = yaml.load(raw.split("---")[1]) || {};
   const slug = file.replace(".md", "");
 
-  if (!data.navigation) {
-    missingNavigation.push(slug);
+  if (!raw.startsWith("---")) {
+    entries.push({ slug, data: {}, noFrontmatter: true });
+    continue;
   }
 
-  const next = data?.navigation?.primaryNext;
+  const frontmatter = raw.split("---", 3)[1];
+  const data = yaml.load(frontmatter) || {};
+  entries.push({ slug, data, noFrontmatter: false });
+}
+
+const missingNavigation = [];
+const missingReason = [];
+const weakPaths = [];
+const selfLoops = [];
+const deadPrimaryNext = [];
+const directCycles = [];
+const edges = {};
+const incoming = {};
+const families = new Set();
+
+for (const { slug, data, noFrontmatter } of entries) {
+  if (noFrontmatter) continue;
+
+  if (data.family) families.add(data.family);
+
+  const nav = data.navigation;
+
+  if (!nav) {
+    missingNavigation.push(slug);
+    continue;
+  }
+
+  const next = nav.primaryNext;
+
   if (next) {
     edges[slug] = next;
     incoming[next] = (incoming[next] || 0) + 1;
+
+    if (next === slug) selfLoops.push(slug);
+    if (!slugs.has(next)) deadPrimaryNext.push(`${slug} → ${next}`);
+
+    if (!nav.primaryReason) missingReason.push(slug);
   }
+
+  const paths = nav.paths || {};
+  const pathCount = ["understand", "deepen", "compare", "apply"].filter(
+    (key) => Array.isArray(paths[key]) && paths[key].length > 0,
+  ).length;
+
+  if (pathCount < 2) weakPaths.push(slug);
 }
 
-// 🔍 1. Fiches sans navigation
-if (missingNavigation.length > 0) {
-  console.log("\n❌ Missing navigation:");
-  missingNavigation.forEach(s => console.log(" -", s));
-}
+const seenPairs = new Set();
 
-// 🔍 2. Cycles directs
-console.log("\n🔍 Direct cycles:");
 for (const [a, b] of Object.entries(edges)) {
   if (edges[b] === a) {
-    console.log(` - ${a} <-> ${b}`);
+    const pair = [a, b].sort().join(" <-> ");
+    if (!seenPairs.has(pair)) {
+      seenPairs.add(pair);
+      directCycles.push(`${a} <-> ${b}`);
+    }
   }
 }
 
-// 🔍 3. Hubs
+const missingDefaults = [...families].filter((f) => !defaultFamilies.has(f));
+
+const bigHubs = Object.entries(incoming)
+  .filter(([, count]) => count > HUB_LIMIT)
+  .sort((a, b) => b[1] - a[1]);
+
+console.log("\n🔍 Glossary navigation audit");
+
+if (missingNavigation.length > 0) {
+  console.log("\n❌ Missing navigation:");
+  missingNavigation.forEach((s) => console.log(" -", s));
+}
+
+console.log("\n🔍 Direct cycles:");
+if (directCycles.length) directCycles.forEach((c) => console.log(" -", c));
+else console.log(" (none)");
+
 console.log("\n📊 Top hubs:");
 Object.entries(incoming)
-  .sort((a,b) => b[1]-a[1])
-  .slice(0,10)
+  .sort((a, b) => b[1] - a[1])
+  .slice(0, 10)
   .forEach(([slug, n]) => {
-    if (n > 5) console.log(`⚠️ ${slug}: ${n}`);
+    if (n > HUB_LIMIT) console.log(`⚠️ ${slug}: ${n}`);
     else console.log(`  ${slug}: ${n}`);
   });
 
-// 🔍 4. Slugs morts
 console.log("\n🔗 Checking dead primaryNext:");
-for (const [a,b] of Object.entries(edges)) {
-  if (!slugs.has(b)) {
-    console.log(`❌ ${a} → ${b} (missing)`);
-  }
+if (deadPrimaryNext.length) deadPrimaryNext.forEach((x) => console.log("❌", x));
+else console.log(" (none)");
+
+if (missingDefaults.length) {
+  console.log("\n❌ Families without defaults:");
+  missingDefaults.forEach((f) => console.log(" -", f));
 }
 
-console.log("\n✅ Audit done");
+if (bigHubs.length) {
+  console.log(`\n⚠️ Hubs above limit (${HUB_LIMIT}):`);
+  bigHubs.forEach(([slug, n]) => console.log(` - ${slug}: ${n}`));
+}
+
+if (missingReason.length) {
+  console.log("\n⚠️ Missing primaryReason:");
+  missingReason.forEach((s) => console.log(" -", s));
+}
+
+if (weakPaths.length) {
+  console.log("\n⚠️ Weak path coverage (<2):");
+  weakPaths.forEach((s) => console.log(" -", s));
+}
+
+if (selfLoops.length) {
+  console.log("\n❌ Self-referencing primaryNext:");
+  selfLoops.forEach((s) => console.log(" -", s));
+}
+
+const hardFailures =
+  missingNavigation.length +
+  directCycles.length +
+  deadPrimaryNext.length +
+  missingDefaults.length +
+  selfLoops.length;
+
+if (hardFailures > 0) {
+  console.log(`\n❌ Audit failed: ${hardFailures} hard issue(s)`);
+  process.exitCode = 1;
+} else {
+  console.log("\n✅ Audit done");
+}