docs: update README with AI Core configuration

.gitea/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
       - run: go build -o review-bot ./cmd/review-bot
 
   # Self-review using native SAP AI Core provider
-  # Models must match SAP AI Core deployments
+  # Models must match SAP AI Core deployments (use 'anthropic--' prefix for Claude)
   review:
     runs-on: ubuntu-24.04
     if: github.event_name == 'pull_request'
@@ -33,15 +33,6 @@ jobs:
           - name: gpt
             token_secret: GPT_REVIEW_TOKEN
             model: gpt-5
-          - name: gpt41
-            token_secret: GPT_REVIEW_TOKEN
-            model: gpt-4.1
-          - name: gpt5-mini
-            token_secret: GPT_REVIEW_TOKEN
-            model: gpt-5-mini
-          - name: gpt41-mini
-            token_secret: GPT_REVIEW_TOKEN
-            model: gpt-4.1-mini
           - name: security
             token_secret: SECURITY_REVIEW_TOKEN
             model: gpt-5