Bausteine: slugify mit Umlauten, deutsche Zeit, Sperren

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

test/slug.test.js

@@ -0,0 +1,18 @@
+import { test } from 'node:test'
+import assert from 'node:assert/strict'
+import { slugify } from '../server/services/slug.js'
+
+test('Umlaute', () => {
+  assert.equal(slugify('Döner Nation'), 'doener-nation')
+  assert.equal(slugify('Größe Überall Ärger'), 'groesse-ueberall-aerger')
+})
+test('Apostrophe entfallen', () => {
+  assert.equal(slugify("Emma's Schatzkiste"), 'emmas-schatzkiste')
+  assert.equal(slugify('Emma’s'), 'emmas')
+})
+test('Akzente', () => assert.equal(slugify('Café Élan'), 'cafe-elan'))
+test('Sonderzeichen, Ränder, Länge', () => {
+  assert.equal(slugify('--A&B--'), 'a-b')
+  assert.equal(slugify('x'.repeat(150)).length, 100)
+  assert.equal(slugify(null), '')
+})