fix: XTTS bridge port 8020, longer startup wait

- XTTS API runs on port 8020 (not 8000)
- Bridge waits up to 5min for model download (30x10s)
- Health check uses / instead of /docs

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

xtts/bridge.js

@@ -256,13 +256,13 @@ log(`RVS: ${RVS_HOST}:${RVS_PORT}`);
 // Warten bis XTTS API erreichbar ist
 function waitForXTTS(callback, attempts) {
   if (attempts <= 0) { log("XTTS API nicht erreichbar — starte trotzdem"); callback(); return; }
-  http.get(`${XTTS_API_URL}/docs`, (res) => {
-    log("XTTS API erreichbar");
+  http.get(`${XTTS_API_URL}/`, (res) => {
+    log(`XTTS API erreichbar (HTTP ${res.statusCode})`);
     callback();
   }).on("error", () => {
     log(`XTTS API noch nicht bereit — warte (${attempts} Versuche uebrig)...`);
-    setTimeout(() => waitForXTTS(callback, attempts - 1), 5000);
+    setTimeout(() => waitForXTTS(callback, attempts - 1), 10000); // 10s statt 5s (Model laden dauert)
   });
 }
 
-waitForXTTS(() => connectRVS(), 24); // Max 2min warten
+waitForXTTS(() => connectRVS(), 30); // Max 5min warten