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>

internal/api/handlers/v0/auth/http_test.go

@@ -387,7 +387,6 @@ func TestDefaultHTTPKeyFetcher(t *testing.T) {
 	}
 }
 
-
 func TestHTTPAuthHandler_Permissions(t *testing.T) {
 	cfg := &config.Config{
 		JWTPrivateKey: "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef",
@@ -738,4 +737,3 @@ func TestHTTPvsDNS_PermissionDifferences(t *testing.T) {
 		})
 	}
 }
-