llmrouter: TTS/STT/Embedding/free als 42i/marvin-*

Alte Namen ohne Präfix laufen über die Durchreiche bei LiteLLM weiter (Andreas 2026-09-05).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

config.json

@@ -58,7 +58,7 @@
       "index": 53,
       "minContext": 500000
     },
-    "marvin-free": {
+    "42i/marvin-free": {
       "art": "fest",
       "upstream": "openrouter",
       "model": "openrouter/free"
@@ -93,32 +93,32 @@
       "upstream": "kira-stt",
       "model": "kira-stt"
     },
-    "marvin-tts": {
+    "42i/marvin-tts": {
       "art": "fest",
       "upstream": "voice",
       "model": "tts-1"
     },
-    "marvin-stt": {
+    "42i/marvin-stt": {
       "art": "fest",
       "upstream": "voice",
       "model": "whisper-1"
     },
-    "marvin-tts-turbo": {
+    "42i/marvin-tts-turbo": {
       "art": "fest",
       "upstream": "mistral",
       "model": "voxtral-mini-tts-2603"
     },
-    "marvin-stt-turbo": {
+    "42i/marvin-stt-turbo": {
       "art": "fest",
       "upstream": "mistral",
       "model": "voxtral-mini-latest"
     },
-    "marvin-embedding": {
+    "42i/marvin-embedding": {
       "art": "fest",
       "upstream": "ollama",
       "model": "bge-m3"
     },
-    "marvin-embedding-turbo": {
+    "42i/marvin-embedding-turbo": {
       "art": "fest",
       "upstream": "openrouter",
       "model": "mistralai/mistral-embed-2312"