- Replace 'Get All Containers' Docker API call with GraphQL query
- Add GraphQL Response Normalizer to transform Unraid format to Docker contract
- Add Container ID Registry update on every container lookup
- Update Resolve Container ID to output unraidId (PrefixedID) for mutations
- Wire: Query All Containers -> Normalizer -> Registry Update -> Resolve Container ID
- Add HTTP 304 detection for 'already in desired state' (success: true)
- Add HTTP 404 detection for 'container not found' (success: false)
- Add HTTP 500+ detection for server errors (success: false)
- Apply to Format Stop/Start/Restart Result nodes
- StatusCode checks run before existing message-based fallback logic