chore: add changeset for factory functions and init options

[TabishB]

Changes Being Released

This changeset includes the following merged changes since the last release:

New Features

• Factory function support for slash commands (feat: add factory function support for slash commands #178)

  • Slash commands can now be defined as functions that return command objects
  • Enables dynamic command configuration

• Non-interactive init options (feat: add non-interactive options to openspec init #122)

  • Added --tools, --all-tools, and --skip-tools CLI flags to openspec init
  • Enables automated initialization for CI/CD pipelines
  • Maintains backward compatibility with interactive mode
  • Includes comprehensive validation and error handling

Maintenance

• Multiple spec archival updates to keep documentation in sync

Version Bump

Minor version bump - adds new features with backward compatibility

Commits Included

• b81fa1e feat: add factory function support for slash commands (feat: add factory function support for slash commands #178)
• cc9d540 feat: add non-interactive options to openspec init (feat: add non-interactive options to openspec init #122)
• 4a86328 chore: archive 4 completed changes and update specs (chore: archive 4 completed changes and update specs #172)
• fe83be5 Add parallel merge plan (docs: Add parallel merge plan #171)
• 345f9db chore: archive 7 completed changes and update specs (Archive 7 completed changes and update specs #170)