# Epic 8: Advanced Features & Polish

## Overview
Add advanced features (OIDC, GraphQL), performance optimization, additional sample feature services, and final polish and bug fixes.

**Note:** API Gateway is now in Epic 1 (Story 1.8) as core infrastructure, not an advanced feature.

## Stories

### 8.1 OpenID Connect (OIDC) Support
- [Story: 8.1 - OIDC Support](./8.1-oidc-support.md)
- **Goal:** Add OpenID Connect (OIDC) support for external identity providers.
- **Deliverables:** OIDC client, OIDC provider (optional), documentation

### 8.2 GraphQL API
- [Story: 8.2 - GraphQL API](./8.2-graphql-api.md)
- **Goal:** Add optional GraphQL API alongside REST API.
- **Deliverables:** GraphQL schema, resolvers, GraphQL endpoint

### 8.3 Additional Sample Feature Services
- [Story: 8.3 - Additional Services](./8.3-additional-modules.md)
- **Goal:** Create additional sample feature services to demonstrate different use cases and patterns.
- **Deliverables:** Notification Service, Analytics Service (as independent services with their own entry points)

### 8.4 Final Polish and Optimization
- [Story: 8.4 - Final Polish](./8.4-final-polish.md)
- **Goal:** Final polish, bug fixes, performance optimization, and security audit.
- **Deliverables:** Code review, bug fixes, performance optimization, security audit, documentation review

## Deliverables Checklist
- [ ] OIDC support (optional)
- [ ] GraphQL API (optional)
- [ ] Additional sample modules
- [ ] Performance optimizations
- [ ] Final polish

## Acceptance Criteria
- Advanced features work correctly
- Performance is optimized
- Code quality is high
- Security audit passes
- Documentation is complete