Adds automatic label filtering based on current working directory:
- New config option: directory.labels (maps directory patterns to labels)
- bd ready and bd list auto-apply label filtering when in matching directory
- Uses --label-any semantics (shows issues with any of the matching labels)
Config example:
```yaml
directory:
labels:
packages/maverick: maverick
packages/agency: agency
```
When running `bd ready` from `packages/maverick/`, issues labeled
"maverick" are automatically shown first, without needing --label-any.
Closes#541🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>