fix(executor): route Claude refresh through retry-aware auth

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

internal/runtime/executor/claude_executor.go

@@ -594,7 +594,7 @@ func (e *ClaudeExecutor) Refresh(ctx context.Context, auth *cliproxyauth.Auth) (
 		return auth, nil
 	}
 	svc := claudeauth.NewClaudeAuth(e.cfg)
-	td, err := svc.RefreshTokens(ctx, refreshToken)
+	td, err := svc.RefreshTokensWithRetry(ctx, refreshToken, 3)
 	if err != nil {
 		return nil, err
 	}