chore: add changeset for AI assistant support and validation fixes

[TabishB]

Summary

This changeset prepares a minor release including new AI assistant integrations and important validation improvements.

Changes Since Last Release

New Features:

• Crush AI assistant support (feat: add Crush AI assistant support #206) - Add configuration and documentation for Crush AI integration
• Auggie (Augment CLI) support (feat: add Auggie (Augment CLI) support to configuration and documenta… #196) - Add configuration and documentation for Auggie assistant
• Archive slash command arguments (feat: add argument support to archive slash command #183) - Enhanced archive command with argument support for more flexible workflows

Bug Fixes:

• Delta spec validation improvements (fix: improve delta spec validation with case-insensitive headers and empty section detection #191) - Case-insensitive header matching and better empty section detection
• Archive validation fixes (fix: honor --no-validate and ignore metadata during archive validation #190) - Honor --no-validate flag and ignore metadata during validation

Development Improvements:

• VS Code dev container (chore(dev): add VS Code dev container configuration #209) - Added dev container configuration for easier development setup
• Documentation updates (docs: sync AGENTS.md and agents-template with explicit change-id notation #189, docs: note restart requirement for slash commands #182) - Synced AGENTS.md and improved slash command documentation

Version Bump

minor - This release includes new features (AI assistant support, command arguments) along with bug fixes and development improvements.

---

Generated with Claude Code