- Plan 10-02: Added explicit UserMailService wiring in Account.scala
onRegister handler for activation emails when activateMode == User
- Plan 10-04: Split into backend-only (models, services, admin controller)
reducing from 16 to 15 files, estimated context ~50%
- Plan 10-05: New plan for frontend components (Posts, Post, Categories,
RelatedPosts), Wave 3 depends on 10-04
- Updated ROADMAP.md to reflect 5 plans for Phase 10
