Summary
Phase 4 is complete. The portfolio now demonstrates enterprise-grade operational readiness, security posture deepening, and UX/SEO credibility, with full evidence artifacts and cross-linked documentation.
Highlights
- Observability and operational readiness consolidated with health checks and runbooks
- Security controls and threat model documentation refreshed for Phase 4 scope
- UX, SEO, and theming documentation formalized with ADRs and reference guides
- Roadmap and dossier references updated to reflect Phase 4 completion
Added
- Observability & Health Checks guide: /docs/30-devops-platform/observability-health-checks.md
- UX design system guide: /docs/20-engineering/ux-design-system.md
- SEO metadata reference: /docs/70-reference/seo-metadata-guide.md
- Theme system reference: /docs/70-reference/theme-system-reference.md
- ADRs for dark mode, metadata strategy, and scroll animations:
Changed
- Portfolio dossier updated for Phase 4 features and evidence links:
- Operations and security references updated to new observability and security locations
Removed
- Legacy observability dossier and security hardening file removed after consolidation:
/docs/60-projects/portfolio-app/08-observability.md/docs/60-projects/portfolio-app/09-security-hardening.md
Governance and security baselines
- Threat model and security policies refreshed to align with Phase 4 controls
- Runbooks and operational guidance updated for current recovery paths
Verification
- Docusaurus build passes with broken link checks enforced
- Cross-links verified between dossiers, ADRs, references, and runbooks
Known limitations
- Phase 5 items (advanced demos and broader content expansion) remain out of scope
Follow-ups
- Phase 5 planning and roadmap updates
- Continue refining operational handbook content as new runbooks are added