diff --git a/scripts/okf-index.mjs b/scripts/okf-index.mjs
index 81f5a61..5a79657 100644
--- a/scripts/okf-index.mjs
+++ b/scripts/okf-index.mjs
@@ -26,6 +26,13 @@ import { parseFrontmatter } from '../lib/frontmatter.mjs';
 
 export const OKF_VERSION = 'kb-layout-2026-06';
 
+// Drop-zone (raa innboks-filer) + skjulte kataloger (.cache osv.) er ikke nivaaer:
+// de skal verken faa egen index.md eller listes som underkatalog-peker. Maa
+// filtreres i BEGGE enumererings-steder (subdir-listing + rekursjon).
+function isWalkableDir(name) {
+  return !name.startsWith('.') && name !== 'innboks';
+}
+
 // "strategisk-kontekst" -> "Strategisk kontekst"
 function titleFromName(name) {
   const spaced = name.replace(/[-_]+/g, ' ').trim();
@@ -49,16 +56,37 @@ function parseExistingIndex(path) {
   return result;
 }
 
-// Bygg en enkelt entry-linje paa OKF-form. Tom beskrivelse -> dropp ` - d`.
+// Saner en frontmatter-avledet tittel/beskrivelse for trygg, idempotent emit:
+// noytraliser markdown-lenker (RAG-injeksjon), strip kontrolltegn + strooe ]/)
+// som ville korrumpert round-trip-parsen (parseExistingIndex), kollaps whitespace,
+// og cap lengden. Idempotent: sanitizeEntry(sanitizeEntry(x)) === sanitizeEntry(x).
+function sanitizeEntry(s) {
+  if (!s) return '';
+  return String(s)
+    .replace(/[\x00-\x1f\x7f]/g, ' ')          // kontrolltegn -> mellomrom
+    .replace(/\[([^\]]*)\]\([^)]*\)/g, '$1')    // noytraliser markdown-lenker (behold tekst)
+    .replace(/[\])]/g, '')                        // strip strooe ] ) som brekker round-trip
+    .replace(/\s+/g, ' ')
+    .trim()
+    .slice(0, 200);
+}
+
+// Bygg en enkelt entry-linje paa OKF-form. Tittel/beskrivelse saneres (link
+// forblir uroert -- kontrollert filnavn). Tom beskrivelse -> dropp ` - d`.
 function entryLine(title, link, desc) {
-  return desc ? `* [${title}](${link}) - ${desc}` : `* [${title}](${link})`;
+  const t = sanitizeEntry(title);
+  const d = sanitizeEntry(desc);
+  return d ? `* [${t}](${link}) - ${d}` : `* [${t}](${link})`;
 }
 
 // Generer og skriv index.md for EN katalog (ikke rekursivt). isRoot styrer okf_version.
 function writeIndexFor(dir, isRoot, okfVersion) {
   const existing = parseExistingIndex(join(dir, 'index.md'));
   const dirents = readdirSync(dir, { withFileTypes: true });
-  const subdirs = dirents.filter((e) => e.isDirectory()).map((e) => e.name).sort();
+  const subdirs = dirents
+    .filter((e) => e.isDirectory() && isWalkableDir(e.name))
+    .map((e) => e.name)
+    .sort();
   const concepts = dirents
     .filter((e) => e.isFile() && e.name.endsWith('.md') && e.name !== 'index.md')
     .map((e) => e.name)
@@ -95,7 +123,7 @@ export function generateIndexes(root, opts = {}) {
   const walk = (dir, isRoot) => {
     writeIndexFor(dir, isRoot, okfVersion);
     for (const e of readdirSync(dir, { withFileTypes: true })) {
-      if (e.isDirectory()) walk(join(dir, e.name), false);
+      if (e.isDirectory() && isWalkableDir(e.name)) walk(join(dir, e.name), false);
     }
   };
   if (!existsSync(root)) throw new Error(`Bundle-rot finnes ikke: ${root}`);
diff --git a/tests/okf-check.test.mjs b/tests/okf-check.test.mjs
index daee49a..887fac5 100644
--- a/tests/okf-check.test.mjs
+++ b/tests/okf-check.test.mjs
@@ -65,6 +65,16 @@ function allDirs(root) {
   return out;
 }
 
+// Byte-snapshot av alle index.md under root (for idempotens-sammenligning).
+function snapshotIndexes(root) {
+  return allDirs(root)
+    .map((d) => join(d, 'index.md'))
+    .filter((p) => existsSync(p))
+    .sort()
+    .map((p) => `${p}\n${readFileSync(p, 'utf8')}`)
+    .join('\n=====\n');
+}
+
 // --- okf-index ---
 
 test('okf-index: genererer index.md per nivaa (hver katalog) i temp-kopi', () => {
@@ -254,3 +264,49 @@ test('okf-check: raa filer i innboks/ og .cache/ ignoreres av walk (ingen falsk
     rmSync(dir, { recursive: true, force: true });
   }
 });
+
+// --- okf-index herding (Step 9): saner title/desc + skip innboks/dot ---
+
+test('okf-index: tittel/beskrivelse med ]/) + lenke saneres -> 2x byte-identisk + round-trip-trygg', () => {
+  const dir = tmpRoot();
+  try {
+    mkdirSync(join(dir, 'dokumenter'), { recursive: true });
+    writeFileSync(join(dir, 'index.md'), '# Bundle\n\nokf_version: kb-layout-2026-06\n');
+    writeFileSync(
+      join(dir, 'dokumenter', 'kr.md'),
+      '---\ntype: OKR\ntitle: "KR1 [resultat] (maal) [lenke](http://x)"\n'
+        + 'description: "Status (delvis) [ref](http://y)"\n---\n# KR\n',
+    );
+    generateIndexes(dir);
+    const run1 = snapshotIndexes(dir);
+    generateIndexes(dir);
+    const run2 = snapshotIndexes(dir);
+    assert.equal(run1, run2, 'generateIndexes skal vaere byte-idempotent');
+    const idx = readFileSync(join(dir, 'dokumenter', 'index.md'), 'utf8');
+    const entry = idx.split('\n').find((l) => l.startsWith('* '));
+    assert.ok(entry, 'kr.md skal ha en entry');
+    assert.match(entry, /^\* \[[^\]]*\]\([^)]+\)/, 'entry skal vaere round-trip-trygg OKF-form');
+    assert.ok(!entry.includes('http'), 'injisert lenke skal vaere noytralisert');
+  } finally {
+    rmSync(dir, { recursive: true, force: true });
+  }
+});
+
+test('okf-index: innboks/ + dot-katalog -> ingen egen index.md OG ikke listet i rot-index', () => {
+  const dir = tmpRoot();
+  try {
+    cpSync(REALISTIC, dir, { recursive: true });
+    mkdirSync(join(dir, 'innboks'), { recursive: true });
+    mkdirSync(join(dir, '.cache'), { recursive: true });
+    writeFileSync(join(dir, 'innboks', 'raa.md'), '# Raa\n');
+    writeFileSync(join(dir, '.cache', 'c.md'), '# Cache\n');
+    generateIndexes(dir);
+    assert.ok(!existsSync(join(dir, 'innboks', 'index.md')), 'innboks/ skal ikke faa index.md');
+    assert.ok(!existsSync(join(dir, '.cache', 'index.md')), 'dot-katalog skal ikke faa index.md');
+    const root = readFileSync(join(dir, 'index.md'), 'utf8');
+    assert.ok(!root.includes('innboks/index.md'), 'rot-index skal ikke liste innboks/ som peker');
+    assert.ok(!root.includes('.cache/index.md'), 'rot-index skal ikke liste dot-katalog som peker');
+  } finally {
+    rmSync(dir, { recursive: true, force: true });
+  }
+});