chore: update litellm address (#85)

- update litellm address
- add a test role

---------

Co-authored-by: Ben Vincent <ben@unkin.net>
Reviewed-on: #85

config/litellm_secret_backend/litellm.yaml

@@ -2,5 +2,5 @@
 # The master key is sensitive and read from KV, not stored here:
 #   kv/service/vault/au/syd1/secret_backend/litellm -> key "master_key"
 description: "LiteLLM dynamic virtual keys"
-base_url: "http://litellm.litellm.svc:4000"
+base_url: "https://litellm.k8s.syd1.au.unkin.net"
 request_timeout_seconds: 30

config/litellm_secret_backend_role/litellm/opus47.yaml

@@ -0,0 +1,9 @@
+---
+models:
+  - claude-opus-4-7
+max_budget: 5
+ttl: 3600      # seconds (1h)
+max_ttl: 86400 # seconds (24h)
+metadata:
+  team: testuser
+  env: prod