chore(deploy): route chat through shared litellm aliases (#5067)

Author: rschlaefli

deploy/env-uzh-prd/values.yaml

@@ -190,36 +190,36 @@ chat:
   priorityClassName: production-workload
 
   openai:
-    baseUrl: 'http://litellm:4000/v1'
+    baseUrl: 'http://litellm.prd-litellm.svc.cluster.local:4000/v1'
 
   replicaCount: 1
 
   autoscaling:
     enabled: false
 
   automaticModels:
-    primaryId: gpt-4.1
+    primaryId: gpt-5.1
     fallbackId: gpt-4.1-mini
 
   modelRegistry:
     - id: gpt-4.1
-      deploymentId: gpt-4.1
+      deploymentId: klickeruzh/azure/gpt-4.1
       name: GPT-4.1
       description: OpenAI model
       fallback: false
       cost:
         input: 2.0
         output: 8.0
     - id: gpt-5.1
-      deploymentId: gpt-5.1
+      deploymentId: klickeruzh/azure/gpt-5.1
       name: GPT-5.1
       description: OpenAI reasoning model
       fallback: false
       cost:
         input: 1.25
         output: 10.0
     - id: gpt-4.1-mini
-      deploymentId: gpt-4.1-mini
+      deploymentId: klickeruzh/azure/gpt-4.1-mini
       name: GPT-4.1 Mini
       description: Small OpenAI model
       fallback: true

deploy/env-uzh-stg/values.yaml

@@ -152,31 +152,31 @@ chat:
   priorityClassName: staging-workload
 
   openai:
-    baseUrl: 'http://litellm:4000/v1'
+    baseUrl: 'http://litellm.stg-litellm.svc.cluster.local:4000/v1'
 
   automaticModels:
-    primaryId: gpt-4.1
+    primaryId: gpt-5.1
     fallbackId: gpt-4.1-mini
 
   modelRegistry:
     - id: gpt-4.1
-      deploymentId: gpt-4.1
+      deploymentId: klickeruzh/azure/gpt-4.1
       name: GPT-4.1
       description: OpenAI model
       fallback: false
       cost:
         input: 2.0
         output: 8.0
     - id: gpt-5.1
-      deploymentId: gpt-5.1
+      deploymentId: klickeruzh/azure/gpt-5.1
       name: GPT-5.1
       description: OpenAI reasoning model
       fallback: false
       cost:
         input: 1.25
         output: 10.0
     - id: gpt-4.1-mini
-      deploymentId: gpt-4.1-mini
+      deploymentId: klickeruzh/azure/gpt-4.1-mini
       name: GPT-4.1 Mini
       description: Small OpenAI model
       fallback: true