v2.3.0 — Phase 4: Production Readiness

Phase 4: Production Readiness. Adds Docker self-hosting, WCAG 2.1 AA accessibility, health endpoint, custom branding, admin dashboard tools, CONTRIBUTING.md generation, and comprehensive deployment documentation.

Added

• Docker self-hosting: Multi-stage Dockerfile, docker-compose.yml with named volume for SQLite persistence, auto-migration entrypoint, and health checks (#229)
• Custom branding: APP_NAME, APP_LOGO_URL, and APP_PRIMARY_COLOR environment variables to white-label a CLAHub instance (#229)
• Health endpoint: GET /api/health returns application status and database connectivity for monitoring and container health checks (#229)
• WCAG 2.1 AA accessibility: Color contrast fixes, ARIA labels, keyboard navigation, skip-to-content link, focus rings, and Playwright axe-core tests (#230)
• Admin dashboard: Audit log viewer and manual PR re-check on the agreement edit page (#228)
• CONTRIBUTING.md generation: Auto-generate a CONTRIBUTING.md snippet with CLA signing instructions and badge for any agreement (#228)
• Deployment documentation: Getting started, configuration reference, deployment guides (Docker, Vercel, Railway, Fly.io, PM2/systemd), and upgrading guide (#231)

Fixed

• Color contrast violations for muted text and accent headings (#230)
• User menu button missing accessible label (#230)
• PR re-check feedback using useTransition replaced with useState for reliability (#228)
• CONTRIBUTING.md badge URL uses public GitHub API instead of installation token (#228)

Issues Closed

• #228: Admin dashboard: audit log, re-check, CONTRIBUTING.md
• #229: Docker self-hosting with Dockerfile and Compose
• #230: WCAG 2.1 AA accessibility improvements
• #231: Deployment documentation