- Add /workflow:init-specs command for interactive spec creation with scope selection (global/project)
- Update /workflow:init to chain solidify and add --skip-specs flag
- Add category field support to generated specs frontmatter
- Add GET /api/project-tech/stats endpoint for development progress stats
- Add devProgressInjection settings to system configuration
- Add development progress injection control card to GlobalSettingsTab
- Add i18n keys for new settings in en/zh locales
