debug: playabilityStatus'u teşhis bilgisine ekle

videoDetails yok ama sayfa consent duvarına da takılmıyor (büyük,
tam HTML dönüyor) — YouTube oynatıcı verisini bilerek vermiyor gibi
görünüyor. playabilityStatus.status/.reason genelde tam olarak
nedenini açıklıyor (LOGIN_REQUIRED, UNPLAYABLE, ERROR vb.).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

apps/api-daemon/src/youtubePolling.ts

@@ -65,10 +65,12 @@ async function findLiveVideoId(channelId: string): Promise<string | null> {
 
     const match = html.match(/"videoDetails":\{"videoId":"([^"]+)"/);
     const hasConsentForm = /action="https:\/\/consent\.youtube\.com/.test(html);
+    const playabilityMatch = html.match(/"playabilityStatus":\{"status":"([^"]*)"(?:,"reason":"([^"]*)")?/);
     lastPollDebug.set(
       channelId,
       `finalUrl=${res.url} htmlLength=${html.length} cookieSent=${Boolean(cookieHeader)} ` +
-        `hasVideoDetails=${Boolean(match)} hasConsentForm=${hasConsentForm}`,
+        `hasVideoDetails=${Boolean(match)} hasConsentForm=${hasConsentForm} ` +
+        `playability=${playabilityMatch ? `${playabilityMatch[1]}/${playabilityMatch[2] ?? ""}` : "n/a"}`,
     );
 
     if (!match) return null;