Apply gofmt formatting to all Go files (#588)

## Summary
- Applied `gofmt -s -w` across the entire codebase to ensure consistent
Go formatting
- This will trigger a deployment with minimal code changes

## Test plan
- [x] Pre-commit hooks pass
- [x] No functional changes, formatting only

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude <noreply@anthropic.com>

pkg/model/constants.go

@@ -33,4 +33,4 @@ const (
 	RuntimeHintUVX    = "uvx"
 	RuntimeHintDocker = "docker"
 	RuntimeHintDNX    = "dnx"
-)
+)