- Create SECURITY.md with vulnerability disclosure policy
- Create docs/README.md as documentation index page
- Create docs/observability.md with metrics/logs/traces/alerting/SLO specs
- Create docs/runbook.md with troubleshooting scenarios (RB-01 to RB-05)
- Create docs/security.md with security design and compliance
- Create docs/release.md with versioning and rollback strategies
- Create docs/database.md with database design and migration strategy
- Create docs/adr/0005-cache-error-handler.md for cache error handling ADR
- Update README.md with documentation index section
- Update docs/architecture.md to update B-7 rule and add trust boundary section
- Create docs/api-guide.md with API specifications
- Fix method names in OrderDao.java to match OrderMapper interface
- Add Spring Boot Actuator dependency to tmpl-infrastructure
- Fix Redis ping method in RedisHealthContributor.java
- Fix syntax errors and method names in OrderAppService.java
Co-authored-by: Qwen-Coder <[email protected]>