Use regex /\.sisyphus[/\\]/i instead of checking first path segment. This fixes Windows paths where ctx.directory is parent of the actual project (e.g., project\.sisyphus\drafts\...).
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>