Phase 5-9: Matching-Engine, Podcast-Support, Web-Interface + Player

Backend:
- Matching-Orchestrator mit deutschen Serien-Patterns (drei ???, TKKG, ...)
- Vollständige MusicBrainz-Integration (Tracklist → Kapitel, Cover Art Archive)
- OpenLibrary + Google Books als Fallback-Quellen
- Auto-Accept (≥0.75) vs zu_prüfen (0.5-0.75) vs kein Match
- Manuelles Matching: GET /api/items/:id/match/search, POST apply
- RSS-Feed-Manager: feedparser, iTunes Search, periodisches Update
- APScheduler für Podcast-Feed-Updates (konfigurierbares Intervall)
- Podcast-Router: Feed-URL setzen, Episoden, Feed-Suche
- HLS: FFmpeg läuft als Background-Task, wartet auf ersten Segment
- main.py: APScheduler + neue Router eingebunden

Frontend (React + Vite + Tailwind + HLS.js):
- Login-Seite mit Fehlerbehandlung
- Library-Seite: Grid/Listen-Ansicht, Suche, Tag-Filter, Pagination, Scan
- BookCard: Cover, Fortschrittsbalken, zu_prüfen Badge, Quick-Play
- BookDetail: Metadaten, Matching-Panel, Kapitel-Liste, Lesezeichen
- AudioPlayer: HLS.js, Kapitel-Marker auf Fortschrittsbalken, Speed,
  Sleep-Timer, Lesezeichen, Keyboard-Shortcuts (Space/Arrows)
- MiniPlayer: persistent an Fußzeile, expandierbar
- PodcastDetail: Feed-URL, iTunes-Suche, Episoden-Liste
- Admin-Panel: Benutzer/Bibliotheken/Einstellungen verwalten
- App.tsx: React Router, Auth-Guard, Player-Overlay

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

backend/app/services/matching/open_library.py

@@ -1,4 +1,3 @@
-"""OpenLibrary-Matching — Phase 5."""
 import httpx
 from .base import MatchResult
 
@@ -6,25 +5,55 @@ OL_BASE = "https://openlibrary.org"
 
 
 async def search_open_library(title: str, author: str | None = None) -> list[MatchResult]:
-    params: dict = {"title": title, "limit": 5}
+    params: dict = {"title": title, "limit": 5, "fields": "key,title,author_name,first_publish_year,cover_i,subject"}
     if author:
         params["author"] = author
 
-    async with httpx.AsyncClient(timeout=10) as client:
-        resp = await client.get(f"{OL_BASE}/search.json", params=params)
-        resp.raise_for_status()
-        data = resp.json()
+    async with httpx.AsyncClient(timeout=12) as client:
+        try:
+            r = await client.get(f"{OL_BASE}/search.json", params=params)
+            r.raise_for_status()
+            data = r.json()
+        except Exception:
+            return []
 
     results = []
     for doc in data.get("docs", []):
-        results.append(
-            MatchResult(
-                source="open_library",
-                source_id=doc.get("key", ""),
-                title=doc.get("title", title),
-                author=doc.get("author_name", [None])[0] if doc.get("author_name") else None,
-                publish_year=doc.get("first_publish_year"),
-                confidence=0.6,
-            )
-        )
+        cover_url = None
+        if doc.get("cover_i"):
+            cover_url = f"https://covers.openlibrary.org/b/id/{doc['cover_i']}-L.jpg"
+
+        results.append(MatchResult(
+            source="open_library",
+            source_id=doc.get("key", ""),
+            title=doc.get("title", title),
+            author=doc.get("author_name", [None])[0] if doc.get("author_name") else None,
+            publish_year=doc.get("first_publish_year"),
+            cover_url=cover_url,
+            genres=doc.get("subject", [])[:5],
+            confidence=0.55,
+        ))
     return results
+
+
+async def get_work_details(work_key: str) -> MatchResult | None:
+    """Lädt Beschreibung und Genres nach."""
+    async with httpx.AsyncClient(timeout=12) as client:
+        try:
+            r = await client.get(f"{OL_BASE}{work_key}.json")
+            r.raise_for_status()
+            data = r.json()
+        except Exception:
+            return None
+
+    desc = data.get("description")
+    if isinstance(desc, dict):
+        desc = desc.get("value")
+
+    return MatchResult(
+        source="open_library",
+        source_id=work_key,
+        title=data.get("title", ""),
+        description=desc,
+        confidence=1.0,
+    )