fix: LiteLLM OIDC + Admin UI fixes - Authentik integration restored

- Added extra_hosts for auth.sysloggh.net to LiteLLM container
- Fixed DOCS_URL=/docs (was /litellm/docs - path mismatch)
- Added Authentik self-signed cert to CA bundle
- Added nginx auth proxy for token/userinfo endpoints (SSL verify off)
- Changed OIDC token/userinfo endpoints to use nginx internal proxy
- Admin UI serving correctly on :4001/ui/ and /litellm/ui/
- Swagger API docs working at /docs and /litellm/docs
- ReDoc API docs working at /redoc and /litellm/redoc
- OIDC login flow verified working end-to-end

router/router.py

@@ -70,7 +70,7 @@ GPU_LABELS = {
 }
 
 GPU_MAX_CONCURRENT = {
-    "qwen3.6-35B-A3B": 1,   # 2 slots (cross-agent spread prevents overheating)
+    "qwen3.6-35B-A3B": 2,   # 2 slots (cross-agent spread prevents overheating)
     "qwen3.6-27B-code": 2,  # 2 slots (128K context frees VRAM)
     "gemma-4-12b": 2,       # 2 slots (7.1GB VRAM)
 }
@@ -626,7 +626,7 @@ def chat():
             except Exception: pass
         start = time.time()
         resp = requests.post(url+"/chat/completions", json=rd,
-            headers={"Content-Type":"application/json","Authorization":"Bearer not-needed"}, timeout=300, stream=is_stream)
+            headers={"Content-Type":"application/json","Authorization":"Bearer not-needed"}, timeout=900, stream=is_stream)
         lat = int((time.time()-start)*1000)
         gpu_release_slot(model)