Initial commit: Phase 1 – Projektstruktur, DB-Schema, Core-API

- FastAPI-Backend mit vollständiger ABS v2.x API-Kompatibilität
- SQLAlchemy-Models: User, Library, LibraryItem, BookFile, Chapter,
  Podcast, PodcastEpisode, MediaProgress, Bookmark, PlaybackSession
- Auth: JWT-Login (/login, /logout, /api/authorize)
- Library + Items Endpoints inkl. camelCase ABS-Response-Format
- HLS-Streaming via FFmpeg (POST /api/items/:id/play, Session-Sync)
- Me/Progress Endpoints + Lesezeichen
- User-Management + Server-Settings (Admin)
- Library-Scanner (MP3/WAV Discovery, Hintergrund-Task)
- File Watcher (watchdog, 30s Debounce)
- Matching-Skelett (MusicBrainz, OpenLibrary, Google Books – Phase 5)
- Docker-Setup: backend (Python 3.12+FFmpeg), frontend (React/Vite),
  nginx Reverse-Proxy auf Port 3000
- setup.sh: Installiert Docker auf Debian/Ubuntu, richtet .env ein

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/App.tsx

@@ -0,0 +1,17 @@
+import React from 'react'
+
+export default function App() {
+  return (
+    <div className="min-h-screen bg-background flex items-center justify-center">
+      <div className="text-center">
+        <h1 className="text-4xl font-bold text-primary mb-4">Audiolib</h1>
+        <p className="text-gray-400 text-lg">Web-Interface wird in Phase 8 implementiert.</p>
+        <p className="text-gray-500 mt-2 text-sm">
+          Die Swift-App kann bereits über{' '}
+          <code className="bg-surface px-2 py-1 rounded text-primary">localhost:3000</code>{' '}
+          verbunden werden.
+        </p>
+      </div>
+    </div>
+  )
+}

frontend/src/index.css

@@ -0,0 +1,8 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+body {
+  @apply bg-background text-white;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
+}

frontend/src/main.tsx

@@ -0,0 +1,10 @@
+import React from 'react'
+import ReactDOM from 'react-dom/client'
+import App from './App'
+import './index.css'
+
+ReactDOM.createRoot(document.getElementById('root')!).render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+)