fix(andreknie.de): normalize SEO metadata and document structure

privat/CV/andreknie.de/src/pages/Podcast.jsx

@@ -2,6 +2,7 @@ import React from 'react'
 import { useContent } from '../hooks/useContent'
 import { formatDate } from '../utils/formatDate'
 import { ExternalLink } from 'lucide-react'
+import SEOHead from '../components/SEOHead'
 
 export default function Podcast() {
   const { items: allEpisodes } = useContent('podcast', { visibility: 'all', pageSize: 100 })
@@ -13,6 +14,7 @@ export default function Podcast() {
 
   return (
     <main style={{ paddingTop: '120px', minHeight: '100vh' }}>
+      <SEOHead title="Podcast" description="Podcasts, Gastauftritte und Gespräche von und mit Dr. André Knie über KI, Transformation und Leadership." url="/podcast" />
       <div className="app-container" style={{ maxWidth: '800px', margin: '0 auto' }}>
         <div className="section-header">
           <h1 className="section-title"><span className="text-gradient">Podcast</span></h1>