feat: Implement multi-tenancy with new database migrations, API updates across services, and refactor frontend API calls.

roadmap.md

@@ -69,14 +69,18 @@
   - [x] Tier-based feedback visualization
   - [x] Real-time grade updates
 
-## Phase 6: Advanced Features (Planned)
-- [ ] **Multi-tenancy**: Support for multiple organizations
+## Phase 6: Advanced Features (In Progress)
+- [x] **Multi-tenancy**: Support for multiple organizations
+  - [x] Database schema migration (add `organization_id`)
+  - [x] Update Rust models & JWT Claims
+  - [x] Implement Axum middleware for organization context
+  - [x] Update Frontend registration to support organizations
 - [ ] **Advanced Analytics**:
   - [ ] Cohort analysis
   - [ ] Retention metrics
   - [ ] Engagement heatmaps
 - [ ] **AI Integration**:
-  - [ ] AI-driven lesson summaries
+  - [x] AI-driven lesson summaries (Endpoint scaffolded/Simulated)
   - [ ] Automated quiz generation
   - [ ] Personalized learning paths
 - [ ] **Gamification**:
@@ -114,12 +118,13 @@
 
 **Platform Maturity**: Production-ready for core LMS/CMS functionality
 
-**Recent Milestones** (December 2024):
+**Recent Milestones** (January 2025):
 - ✅ Holistic grading system with weighted categories
 - ✅ Configurable assessment policies (attempts, retries)
 - ✅ Instructor analytics with RBAC
 - ✅ Dynamic passing thresholds with 5-tier visualization
 - ✅ Enhanced student progress dashboard
+- ✅ Full REST API implementation for CMS (Courses, Modules, Lessons, Assets)
 
 **Next Priorities**:
 1. Multi-tenancy support