Refactors GitHub Actions workflow setup into a reusable composite action, consolidating repeated setup logic across CI, mobile, release, test-release, and version workflows (176 lines removed). Adds corresponding tests for the workflow configuration.
Fusion-Task-Id: FN-4100
- Update GitHub Actions workflows to use Node.js 24 (actions/setup-node@v5)
- Add private packages to .changeset/config.json ignore array
- Fix version string tests to read dynamically from package.json
- Add FN-1537 documentation to .fusion/memory.md
- Optimize dashboard Vite output for mobile and include vite/client types in app typecheck
- Add PWA support with manifest, service worker, icons, and client registration hooks
- Add a mobile workspace package with Capacitor config and live-reload scripts for local development
- Add a dedicated GitHub Actions mobile pipeline and update mobile workflow documentation
- Add dashboard tests for build output, mobile scripts, and PWA asset coverage
