feat: Add SiteContentEditor component and ContentContext for managing site content sections.

Author: zerox80

src/components/SiteContentEditor/index.jsx

@@ -882,11 +882,11 @@ const SiteContentEditor = () => {
   } = useContent()
 
   const sectionOptions = useMemo(() => {
-    const base = [...CONTENT_SECTIONS]
-    const extraKeys = content
-      ? Object.keys(content).filter((key) => !base.includes(key))
-      : []
-    return [...base, ...extraKeys.sort()]
+    const keys = Object.keys(content || {})
+    const defaultKeys = Object.keys(DEFAULT_CONTENT)
+    const combined = Array.from(new Set([...keys, ...defaultKeys]))
+    // Only show sections that have a defined label (whitelist approach)
+    return combined.filter(key => sectionLabels.hasOwnProperty(key)).sort()
   }, [content])
 
   const [selectedSection, setSelectedSection] = useState(null)

src/context/ContentContext.jsx

@@ -65,21 +65,7 @@ export const DEFAULT_CONTENT = {
     title: 'IT Wissensportal - Security, Programming & Admin',
     description: 'Dein Portal für IT Security, Programmierung und Administration.',
   },
-  tutorial_section: {
-    title: 'Neueste Beiträge',
-    description: 'Aktuelle Artikel und Guides aus der IT-Welt',
-    heading: 'Wissen vertiefen',
-    ctaDescription: 'Stöbere in unseren Artikeln und erweitere dein Know-how.',
-    ctaPrimary: {
-      label: 'Alle Beiträge',
-      target: { type: 'route', value: '/blog' },
-    },
-    ctaSecondary: {
-      label: 'Mehr erfahren',
-      target: { type: 'section', value: 'home' },
-    },
-    tutorialCardButton: 'Artikel lesen',
-  },
+
   header: {
     brand: {
       name: 'IT Portal',