Replace MIT with AGPLv3 + commercial dual-license. Add copyright header and dual-license notice to LICENSE, add CLA to CONTRIBUTING.md, update README license section, and update all package.json license fields.
- README: simplify to match Stirling-PDF style, add dashboard screenshot - Settings: remove unsupported languages from dropdown, remove unused experimental tools toggle - Automate: remove hardcoded template pipelines from sidebar - Fullscreen: add GemLogo icon to header