feat: Implement comprehensive course analytics, RBAC with roles and authentication, and dynamic passing thresholds.

roadmap.md

@@ -1,35 +1,128 @@
 # OpenCCB: Open Comprehensive Course Backbone - Roadmap
 
-## Phase 1: Foundation (Current)
-- [x] Rust Workspace Setup (Edition 2024).
-- [x] Microservices Scaffolding (CMS & LMS).
-- [x] Multi-Database Infrastructure (Postgres with separate DBs).
-- [x] Frontend Initialization (Next.js Studio).
-- [x] Dockerization of all services.
-- [x] API Integration (Dashboard <-> CMS Service).
+## Phase 1: Foundation ✅
+- [x] Rust Workspace Setup (Edition 2024)
+- [x] Microservices Scaffolding (CMS & LMS)
+- [x] Multi-Database Infrastructure (PostgreSQL with separate DBs)
+- [x] Frontend Initialization (Next.js Studio & Experience)
+- [x] Dockerization of all services
+- [x] API Integration (Dashboard <-> CMS Service)
 
-## Phase 2: Core CMS Features (Current Focus)
-- [/] Course Outline Editor (Modules & Lessons).
-- [x] File Upload System (Video/Audio/Native Assets).
-- [/] Interactive Content (**Activity Builder Refinement**).
-  - [ ] Block Reordering (Move Up/Down).
-  - [ ] Rich Text Editor Integration.
-  - [ ] Quiz Refinements (True/False, Multi-Response).
-- [ ] Service-to-Service Communication (CMS -> LMS sync).
-- [x] **Video Player**: Integrated premium video player with playback limits.
-- [ ] **Full Studio UI**: Drag-and-drop course builder.
+## Phase 2: Core CMS Features ✅
+- [x] Course Outline Editor (Modules & Lessons)
+- [x] File Upload System (Video/Audio/Native Assets)
+- [x] Interactive Content (Activity Builder)
+  - [x] Block Reordering (Move Up/Down)
+  - [x] Rich Text Descriptions
+  - [x] Media Blocks with Playback Constraints
+  - [x] Quiz Blocks (Multiple Choice, True/False, Multiple Select)
+  - [x] Advanced Assessment Types:
+    - [x] Fill-in-the-Blanks
+    - [x] Matching Pairs
+    - [x] Ordering/Sequencing
+    - [x] Short Answer
+- [x] Service-to-Service Communication (CMS -> LMS sync)
+- [x] Premium Video Player with playback limits
+- [x] Full Studio UI with dynamic course management
 
-## Phase 3: Authentication & Security
-- [ ] **Auth Service**: Integrated OIDC/OAuth2 or custom JWT provider.
-- [ ] **RBAC**: Role-Based Access Control (Admin, Instructor, Student).
-- [ ] **Audit UI**: Admin interface to view audit logs.
+## Phase 3: Authentication & Security ✅
+- [x] **JWT-Based Authentication**: Common auth across all services
+- [x] **Role-Based Access Control (RBAC)**:
+  - [x] Multi-role support (Admin, Instructor, Student)
+  - [x] Role-specific permissions and UI
+  - [x] Token-based authorization for protected endpoints
+- [x] **Audit Logging**: All CMS mutations tracked
+- [ ] **Audit UI**: Admin interface to view audit logs
 
-## Phase 4: LMS Experience
-- [ ] **Progress Tracking**: Track student completion of lessons and modules.
-- [ ] **Certificates**: Automated certificate generation upon completion.
-- [ ] **Mobile Responsive**: Optimize student interface for mobile devices.
+## Phase 4: LMS Experience & Grading ✅
+- [x] **Student Portal (Experience)**:
+  - [x] Course catalog and enrollment
+  - [x] Interactive lesson player
+  - [x] Mobile-responsive design
+- [x] **Holistic Grading System**:
+  - [x] Weighted grading categories
+  - [x] Drop lowest N scores per category
+  - [x] Automatic weighted grade calculation
+- [x] **Assessment Policies**:
+  - [x] Configurable max attempts per lesson
+  - [x] Instant corrections and retry policies
+  - [x] Atomic attempt tracking with enforcement
+- [x] **Progress Tracking**:
+  - [x] Real-time score visualization
+  - [x] Category-by-category breakdown
+  - [x] Weighted grade calculation
+- [x] **Dynamic Passing Thresholds**:
+  - [x] Configurable passing percentage per course
+  - [x] 5-tier performance visualization
+  - [x] Color-coded feedback (Reprobado to Excelente)
+- [ ] **Certificates**: Automated certificate generation upon completion
 
-## Phase 5: Advanced Features
-- [ ] **Multi-tenancy**: Support for multiple organizations.
-- [ ] **Analytics**: Insight dashboards for instructors.
-- [ ] **AI Integration**: AI-driven lesson summaries and quiz generation.
+## Phase 5: Analytics & Insights ✅
+- [x] **Instructor Analytics Dashboard**:
+  - [x] Total enrollments per course
+  - [x] Overall average score
+  - [x] Per-lesson performance breakdown
+  - [x] "Struggling lessons" detection
+  - [x] RBAC enforcement (instructors see only their courses)
+- [x] **Student Progress Dashboard**:
+  - [x] Interactive performance bar
+  - [x] Tier-based feedback visualization
+  - [x] Real-time grade updates
+
+## Phase 6: Advanced Features (Planned)
+- [ ] **Multi-tenancy**: Support for multiple organizations
+- [ ] **Advanced Analytics**:
+  - [ ] Cohort analysis
+  - [ ] Retention metrics
+  - [ ] Engagement heatmaps
+- [ ] **AI Integration**:
+  - [ ] AI-driven lesson summaries
+  - [ ] Automated quiz generation
+  - [ ] Personalized learning paths
+- [ ] **Gamification**:
+  - [ ] Badges and achievements
+  - [ ] Leaderboards
+  - [ ] XP and leveling system
+- [ ] **Communication**:
+  - [ ] Discussion forums
+  - [ ] Direct messaging
+  - [ ] Announcements
+- [ ] **Content Library**:
+  - [ ] Reusable content blocks
+  - [ ] Template courses
+  - [ ] Shared resource pool
+
+## Phase 7: Enterprise Features (Future)
+- [ ] **Advanced Reporting**:
+  - [ ] Custom report builder
+  - [ ] Export to PDF/CSV
+  - [ ] Scheduled reports
+- [ ] **Integration Ecosystem**:
+  - [ ] LTI 1.3 support
+  - [ ] SCORM compliance
+  - [ ] Third-party integrations (Zoom, Google Meet)
+- [ ] **Mobile Apps**:
+  - [ ] Native iOS app
+  - [ ] Native Android app
+  - [ ] Offline mode
+- [ ] **Accessibility**:
+  - [ ] WCAG 2.1 AA compliance
+  - [ ] Screen reader optimization
+  - [ ] Keyboard navigation
+
+## Current Status
+
+**Platform Maturity**: Production-ready for core LMS/CMS functionality
+
+**Recent Milestones** (December 2024):
+- ✅ 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
+
+**Next Priorities**:
+1. Automated certificate generation
+2. Audit log UI for administrators
+3. Multi-tenancy support
+4. AI-powered content generation