Closes #
## Description
add validation for module and namespace names to ensure they contain
only alphanumeric characters and hyphens
<!-- Briefly describe what this PR does and why -->
## Type of Change
- [ ] New module
- [ ] Bug fix
- [X] Feature/enhancement
- [ ] Documentation
- [ ] Other
## Testing & Validation
- [X] Tests pass (`bun test`)
- [X] Code formatted (`bun run fmt`)
- [X] Changes tested locally
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Michael Smith <michaelsmith@coder.com>
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