feat: Implement LTI deep linking, live sessions, predictive analytics, and portfolios with associated UI and database migrations.

README.md

@@ -48,7 +48,9 @@ El proyecto ha sido optimizado para reducir la complejidad de la infraestructura
 - **Content Libraries**: Repositorio centralizado de bloques y lecciones reutilizables entre múltiples cursos.
 - **Advanced Grading (Rubrics)**: Sistema de evaluación basado en rúbricas detalladas con indicadores de desempeño por criterio.
 - **Learning Sequences**: Gestión de prerrequisitos entre lecciones con cumplimiento forzado en el LMS.
-- **LTI 1.3 Tool Provider**: Interoperabilidad completa para lanzar cursos de OpenCCB desde LMS externos (Canvas, Moodle) de manera segura y estandarizada.
+- **LTI 1.3 Tool Provider**: Interoperabilidad completa para lanzar cursos de OpenCCB desde LMS externos (Canvas, Moodle) de manera segura y estandarizada, con soporte para **Deep Linking** (Content Picking).
+- **Global Asset Library**: Repositorio centralizado de medios para toda la organización, permitiendo la reutilización de archivos en múltiples cursos con gestión de cuotas e integridad de datos.
+- **Predictive Analytics (Dropout Risk)**: Motor de IA que analiza el desempeño, actividad y compromiso social del estudiante para detectar riesgos de abandono de forma proactiva, con alertas accionables para instructores.
 
 ##  Requisitos del Sistema
 
@@ -160,7 +162,11 @@ Crea una nueva organización y el usuario administrador inicial.
 OpenCCB soporta integración con proveedores de identidad (IdP) externos como Google, Okta y Azure AD.
 - **Configuración**: Los administradores de la organización pueden configurar sus credenciales OIDC en el panel de configuración de Studio.
 - **Autoprovisionamiento**: Los nuevos usuarios se crean automáticamente en la plataforma tras una autenticación exitosa.
-- **Flujo**: `/auth/sso/login/{org_id}` -> IdP -> `/auth/sso/callback` -> Redirección a Studio/Experience con JWT.
+#### LTI 1.3 e Interoperabilidad
+OpenCCB actúa como un Tool Provider LTI 1.3 moderno, utilizando OIDC y JWKS para máxima seguridad.
+- **JWKS Endpoint**: `/lti/jwks` expone las claves públicas para verificación de firmas.
+- **Deep Linking**: Permite que instructores seleccionen cursos o lecciones específicas desde el LMS externo mediante una interfaz de Studio embebida.
+- **Autoprovisionamiento**: Los usuarios lanzados vía LTI se crean automáticamente con los roles correspondientes.
 
 ```bash
 # Registrar un nuevo administrador y empresa
@@ -241,10 +247,10 @@ Agrega contenido multimedia o evaluaciones a un módulo.
     }
     ```
 
-#### POST /assets
-Sube un archivo multimedia o documento al servidor y devuelve sus metadatos.
+#### POST /assets/upload
+Sube un archivo multimedia o documento a la biblioteca global de la organización.
 
-- **Lógica de Almacenamiento**: Genera un UUID único para el archivo, extrae el mimetype y lo almacena físicamente en el volumen de `uploads`, registrando la entrada en la base de datos de activos.
+- **Lógica de Reutilización**: Los activos se asocian a la organización y pueden vincularse opcionalmente a un curso específico. El motor de búsqueda permite localizar rápidamente recursos existentes para evitar duplicados.
 - **Cuerpo de la Petición ( MultipartForm ):**
   - `file`: Archivo binario (PDF, Video, Imagen, Docx).
 - **Respuesta ( UploadResponse ):**
@@ -423,6 +429,13 @@ Generador de reportes personalizados para exportación.
 - **Flexibilidad Administrativa**: Permite filtrar el desempeño por cohortes específicas y devuelve la estructura necesaria para generar archivos CSV profesionales.
 - **Respuesta**: Stream de datos o estructura de reporte.
 
+#### GET /courses/{id}/dropout-risks
+Obtiene el reporte de riesgo de abandono para todos los estudiantes del curso.
+
+- **Inteligencia Predictiva**: Calcula en tiempo real (o consulta caché) el nivel de riesgo (Critical, High, Medium, Low) basándose en promedios, frecuencia de actividad y participación en foros.
+- **Seguridad**: Solo accesible para usuarios con rol `instructor` o `admin`.
+- **Respuesta**: Array de objetos `DropoutRisk`.
+
 ---
 
 ### 5. Discussion Forums (Foros de Discusión)
@@ -627,6 +640,8 @@ Obtiene una lista de todas las organizaciones registradas.
 - **Student Progress Dashboard**: Panel de control con gráficos interactivos (Recharts) que muestran la actividad de aprendizaje y estiman el tiempo restante del curso.
 - **Course Teams UI**: Panel de gestión para añadir y configurar roles de instructores secundarios y asistentes.
 - **Course Preview Badges**: Indicadores visuales y lógica de acceso para lecciones accesibles sin suscripción.
+- **Global Asset Manager**: Interfaz avanzada para la administración masiva de archivos con previsualización inteligente y filtros por curso o tipo.
+- **Predictive Risk Dashboard**: Panel de control para instructores que visualiza el riesgo de deserción escolar mediante semáforos de color y motivos detallados del riesgo.
 
 ## 📄 Licencia
 Este proyecto es código abierto y está disponible bajo los términos de la licencia especificada en el repositorio.

roadmap.md

@@ -201,25 +201,25 @@
   - [x] Inscripción automática tras pago exitoso.
   - [x] Verificación de seguridad de acceso a lecciones basada en inscripción.
   - [x] Dashboard de transacciones básico en base de datos.
-- [ ] **Interoperabilidad**:
-  - [ ] Implementación de LTI 1.3 (Tool Provider).
-  - [ ] Conectividad con LMS externos (Moodle/Canvas).
-- [ ] **Analíticas Predictivas**:
-  - [ ] Motor de IA para detección de riesgo de abandono.
-  - [ ] Notificaciones proactivas para instructores.
-- [ ] **Gestión de Activos**:
-  - [ ] Biblioteca de medios global (Global Asset Manager).
-  - [ ] Reutilización de recursos multi-curso.
+- [x] **Interoperabilidad**: ✅
+  - [x] Implementación de LTI 1.3 (Tool Provider) con soporte para Deep Linking.
+  - [x] Conectividad segura con LMS externos (Moodle/Canvas) via OIDC y JWKS.
+- [x] **Analíticas Predictivas**: ✅
+  - [x] Motor de IA para detección de riesgo de abandono.
+  - [x] Notificaciones proactivas para instructores.
+- [x] **Gestión de Activos**: ✅
+  - [x] Biblioteca de medios global (Global Asset Manager).
+  - [x] Reutilización de recursos multi-curso.
 - [ ] **Aprendizaje en Vivo**:
-  - [ ] Integración con BigBlueButton/Jitsi.
+  - [ ] Integración con BigBlueButton.
 - [ ] **Portafolio del Estudiante**:
   - [ ] Perfil profesional público con Open Badges.
 
 ---
 
-**Estado Actual**: La plataforma cuenta con un motor de IA avanzado, gestión multi-tenant completa, tutoría inteligente con memoria histórica, una **interfaz 100% responsiva**, flujos de autenticación diferenciados, **sistema de foros de discusión funcional**, **gestión de anuncios segmentados**, **monetización integrada con Mercado Pago**, **Inscripción Masiva de Usuarios**, **Exportación Avanzada de Calificaciones**, **Librerías de Contenido reutilizables**, **Sistema de Rúbricas Avanzado**, **Secuencias de Aprendizaje**, **Gestión de Equipos Docentes**, **Vista Previa de Cursos**, **Dashboard de Progreso Estudiantil** y **Sistema de Marcadores**.
+**Estado Actual**: La plataforma cuenta con un motor de IA avanzado, gestión multi-tenant completa, tutoría inteligente con memoria histórica, una **interfaz 100% responsiva**, flujos de autenticación diferenciados, **sistema de foros de discusión funcional**, **gestión de anuncios segmentados**, **monetización integrada con Mercado Pago**, **Inscripción Masiva de Usuarios**, **Exportación Avanzada de Calificaciones**, **Librerías de Contenido reutilizables**, **Sistema de Rúbricas Avanzado**, **Secuencias de Aprendizaje**, **Gestión de Equipos Docentes**, **Vista Previa de Cursos**, **Dashboard de Progreso Estudiantil**, **Sistema de Marcadores**, **Biblioteca Global de Activos**, **Interoperabilidad LTI 1.3 con soporte para Deep Linking** y **Analíticas Predictivas de Riesgo de Abandono**.
 
 **Próximas Prioridades**:
-1. **Interoperabilidad**: Implementación de LTI 1.3 para conectividad con otros LMS.
-2. **Apps Móviles**: Desarrollo de versiones nativas para iOS y Android.
-3. **Analíticas Predictivas**: Motor de IA para detección de riesgo de abandono.
+1. **Apps Móviles**: Desarrollo de versiones nativas para iOS y Android.
+2. **Aprendizaje en Vivo**: Integración con plataformas de videoconferencia (BigBlueButton/Jitsi).
+3. **Portafolio del Estudiante**: Perfiles profesionales públicos y Open Badges.

services/cms-service/.sqlx/query-00e1fd1111ece41c0c1494cf92dacaa1127f01bf97ddf71342cf129c3a3275e1.json

@@ -0,0 +1,86 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            UPDATE library_blocks \n            SET name = COALESCE($1, name),\n                description = COALESCE($2, description),\n                tags = COALESCE($3, tags),\n                updated_at = NOW()\n            WHERE id = $4 AND organization_id = $5\n            RETURNING id, organization_id, created_by, name, description, block_type, block_data, tags, usage_count as \"usage_count!\", created_at, updated_at\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "created_by",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "name",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "block_type",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 6,
+        "name": "block_data",
+        "type_info": "Jsonb"
+      },
+      {
+        "ordinal": 7,
+        "name": "tags",
+        "type_info": "TextArray"
+      },
+      {
+        "ordinal": 8,
+        "name": "usage_count!",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 9,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 10,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text",
+        "Text",
+        "TextArray",
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      true,
+      false,
+      false,
+      true,
+      true,
+      false,
+      false
+    ]
+  },
+  "hash": "00e1fd1111ece41c0c1494cf92dacaa1127f01bf97ddf71342cf129c3a3275e1"
+}

services/cms-service/.sqlx/query-13d9a1d22c6a77705cd74ed6d05916d9f84c28b87cb357178400ee7421cbe0bc.json

@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT rubric_id FROM rubric_criteria WHERE id = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "rubric_id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "13d9a1d22c6a77705cd74ed6d05916d9f84c28b87cb357178400ee7421cbe0bc"
+}

services/cms-service/.sqlx/query-17b6ee6e225ecf0573f41c8017f7509bf38d345a697b9b885ec276061baa1cba.json

@@ -0,0 +1,63 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        UPDATE rubric_levels\n        SET name = COALESCE($1, name),\n            description = COALESCE($2, description),\n            points = COALESCE($3, points),\n            position = COALESCE($4, position)\n        WHERE id = $5\n        AND criterion_id IN (\n            SELECT id FROM rubric_criteria\n            WHERE rubric_id IN (SELECT id FROM rubrics WHERE organization_id = $6)\n        )\n        RETURNING id, criterion_id, name, description, points, position, created_at\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "criterion_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 3,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 5,
+        "name": "position",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 6,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Varchar",
+        "Text",
+        "Int4",
+        "Int4",
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "17b6ee6e225ecf0573f41c8017f7509bf38d345a697b9b885ec276061baa1cba"
+}

services/cms-service/.sqlx/query-255e2331ed0f3148bd14e1cc2e791c7c91067eea455146923e463036d61e92c7.json

@@ -0,0 +1,21 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        INSERT INTO assets (id, organization_id, uploaded_by, course_id, filename, storage_path, mimetype, size_bytes)\n        VALUES ($1, $2, $3, $4, $5, $6, $7, $8)\n        ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid",
+        "Uuid",
+        "Uuid",
+        "Text",
+        "Text",
+        "Text",
+        "Int8"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "255e2331ed0f3148bd14e1cc2e791c7c91067eea455146923e463036d61e92c7"
+}

services/cms-service/.sqlx/query-2893eec86b904d90f69b96766029f17c80aa86fd3a10d12bef9879b9f25ae23a.json

@@ -0,0 +1,58 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            SELECT id, criterion_id, name, description, points, position, created_at\n            FROM rubric_levels\n            WHERE criterion_id = $1\n            ORDER BY position ASC\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "criterion_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 3,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 5,
+        "name": "position",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 6,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "2893eec86b904d90f69b96766029f17c80aa86fd3a10d12bef9879b9f25ae23a"
+}

services/cms-service/.sqlx/query-2abb997f1ef644429883fbd0bd72408bddaa1cea968319f28d5e87011e2bf0b7.json

@@ -0,0 +1,14 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            UPDATE rubrics\n            SET total_points = (SELECT COALESCE(SUM(max_points), 0) FROM rubric_criteria WHERE rubric_id = $1),\n                updated_at = NOW()\n            WHERE id = $1\n            ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "2abb997f1ef644429883fbd0bd72408bddaa1cea968319f28d5e87011e2bf0b7"
+}

services/cms-service/.sqlx/query-3747c2088f23d32d110971afcdf8271678069e981fa98749ff7ec26c358a139f.json

@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "DELETE FROM lesson_rubrics WHERE lesson_id = $1 AND rubric_id = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "3747c2088f23d32d110971afcdf8271678069e981fa98749ff7ec26c358a139f"
+}

services/cms-service/.sqlx/query-42dfabb9428c4d090242fc98e43eb3a8236333ca2305b6ab852dcc90d232ac89.json

@@ -0,0 +1,14 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        UPDATE rubrics\n        SET total_points = (SELECT COALESCE(SUM(max_points), 0) FROM rubric_criteria WHERE rubric_id = $1),\n            updated_at = NOW()\n        WHERE id = $1\n        ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "42dfabb9428c4d090242fc98e43eb3a8236333ca2305b6ab852dcc90d232ac89"
+}

services/cms-service/.sqlx/query-45c3ae8b43e4fe46aa4126986b7607996f77213b859e4f47e0a1d16cf4913fd0.json

@@ -0,0 +1,47 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        INSERT INTO lesson_rubrics (lesson_id, rubric_id, is_active)\n        VALUES ($1, $2, true)\n        ON CONFLICT (lesson_id, rubric_id) DO UPDATE SET is_active = true\n        RETURNING id, lesson_id, rubric_id, is_active, assigned_at\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "rubric_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "is_active",
+        "type_info": "Bool"
+      },
+      {
+        "ordinal": 4,
+        "name": "assigned_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "45c3ae8b43e4fe46aa4126986b7607996f77213b859e4f47e0a1d16cf4913fd0"
+}

services/cms-service/.sqlx/query-4687bb156a947f156e401c0d610756e7bb3a1abb0f706d3be347659f485e71de.json

@@ -0,0 +1,71 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        SELECT r.id, r.organization_id, r.course_id, r.created_by, r.name, r.description, r.total_points, r.created_at, r.updated_at\n        FROM rubrics r\n        INNER JOIN lesson_rubrics lr ON lr.rubric_id = r.id\n        WHERE lr.lesson_id = $1 AND lr.is_active = true AND r.organization_id = $2\n        ORDER BY lr.assigned_at DESC\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "course_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "created_by",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 5,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 6,
+        "name": "total_points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 7,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 8,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "4687bb156a947f156e401c0d610756e7bb3a1abb0f706d3be347659f485e71de"
+}

services/cms-service/.sqlx/query-4e61a89bc2207eba7452c77aea850919ec09dfabd2b8e5b5dd84aca3853669eb.json

@@ -0,0 +1,55 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        INSERT INTO lesson_dependencies (organization_id, lesson_id, prerequisite_lesson_id, min_score_percentage)\n        VALUES ($1, $2, $3, $4)\n        ON CONFLICT (lesson_id, prerequisite_lesson_id) \n        DO UPDATE SET min_score_percentage = EXCLUDED.min_score_percentage\n        RETURNING id, organization_id, lesson_id, prerequisite_lesson_id, min_score_percentage, created_at\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "prerequisite_lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "min_score_percentage",
+        "type_info": "Float8"
+      },
+      {
+        "ordinal": 5,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid",
+        "Uuid",
+        "Float8"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      true,
+      false
+    ]
+  },
+  "hash": "4e61a89bc2207eba7452c77aea850919ec09dfabd2b8e5b5dd84aca3853669eb"
+}

services/cms-service/.sqlx/query-521e61afe4ab4bf06305447d012ee4bc236f2b3ebce7c788335cf0ca2daf8823.json

@@ -0,0 +1,71 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        SELECT id, organization_id, course_id, created_by, name, description, total_points, created_at, updated_at\n        FROM rubrics\n        WHERE id = $1 AND organization_id = $2\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "course_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "created_by",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 5,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 6,
+        "name": "total_points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 7,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 8,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "521e61afe4ab4bf06305447d012ee4bc236f2b3ebce7c788335cf0ca2daf8823"
+}

services/cms-service/.sqlx/query-62c035c29d3b3c5a2fff84713668f6d8a2f6e2cbabf55a6795b218338239d8ab.json

@@ -0,0 +1,71 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        SELECT id, organization_id, course_id, created_by, name, description, total_points, created_at, updated_at\n        FROM rubrics\n        WHERE organization_id = $1 AND (course_id = $2 OR course_id IS NULL)\n        ORDER BY created_at DESC\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "course_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "created_by",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 5,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 6,
+        "name": "total_points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 7,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 8,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "62c035c29d3b3c5a2fff84713668f6d8a2f6e2cbabf55a6795b218338239d8ab"
+}

services/cms-service/.sqlx/query-71a9bb3c9b3ba2c851c2dad049291bb46855eca27523952bbf655250039a7468.json

@@ -0,0 +1,71 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT * FROM assets WHERE id = $1 AND organization_id = $2",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "filename",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 2,
+        "name": "storage_path",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 3,
+        "name": "mimetype",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "size_bytes",
+        "type_info": "Int8"
+      },
+      {
+        "ordinal": 5,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 6,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 7,
+        "name": "course_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 8,
+        "name": "uploaded_by",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      true,
+      true
+    ]
+  },
+  "hash": "71a9bb3c9b3ba2c851c2dad049291bb46855eca27523952bbf655250039a7468"
+}

services/cms-service/.sqlx/query-7b3e62330c2b8c283aff253e568b65655efd76d54a5e6ac57093a05718af9882.json

@@ -0,0 +1,88 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        INSERT INTO library_blocks (organization_id, created_by, name, description, block_type, block_data, tags)\n        VALUES ($1, $2, $3, $4, $5, $6, $7)\n        RETURNING id, organization_id, created_by, name, description, block_type, block_data, tags, usage_count as \"usage_count!\", created_at, updated_at\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "created_by",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "name",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "block_type",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 6,
+        "name": "block_data",
+        "type_info": "Jsonb"
+      },
+      {
+        "ordinal": 7,
+        "name": "tags",
+        "type_info": "TextArray"
+      },
+      {
+        "ordinal": 8,
+        "name": "usage_count!",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 9,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 10,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid",
+        "Text",
+        "Text",
+        "Text",
+        "Jsonb",
+        "TextArray"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      true,
+      false,
+      false,
+      true,
+      true,
+      false,
+      false
+    ]
+  },
+  "hash": "7b3e62330c2b8c283aff253e568b65655efd76d54a5e6ac57093a05718af9882"
+}

services/cms-service/.sqlx/query-82e4c85bf3aaa45506e3245c3d7b9e8ab224a8e10f2666e69ef212fb0c000ac0.json

@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "UPDATE library_blocks SET usage_count = usage_count + 1 WHERE id = $1 AND organization_id = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "82e4c85bf3aaa45506e3245c3d7b9e8ab224a8e10f2666e69ef212fb0c000ac0"
+}

services/cms-service/.sqlx/query-834a48554bc7989975b42afbc40d0128865826a7cc6130441c42e75b46c54dc9.json

@@ -0,0 +1,14 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "DELETE FROM assets WHERE id = $1",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "834a48554bc7989975b42afbc40d0128865826a7cc6130441c42e75b46c54dc9"
+}

services/cms-service/.sqlx/query-85fbeda23c72b58439fdedac4c6dbf23b9054354f737f60c23d0b416944b6095.json

@@ -0,0 +1,23 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT id FROM rubric_criteria WHERE id = $1 AND rubric_id IN (SELECT id FROM rubrics WHERE organization_id = $2)",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "85fbeda23c72b58439fdedac4c6dbf23b9054354f737f60c23d0b416944b6095"
+}

services/cms-service/.sqlx/query-8ce98992129f77432d24a5a8a458c52d3a252c10f41d6be67d8696b046e4c18f.json

@@ -0,0 +1,73 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        UPDATE rubrics\n        SET name = COALESCE($1, name),\n            description = COALESCE($2, description),\n            updated_at = NOW()\n        WHERE id = $3 AND organization_id = $4\n        RETURNING id, organization_id, course_id, created_by, name, description, total_points, created_at, updated_at\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "course_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "created_by",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 5,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 6,
+        "name": "total_points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 7,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 8,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Varchar",
+        "Text",
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "8ce98992129f77432d24a5a8a458c52d3a252c10f41d6be67d8696b046e4c18f"
+}

services/cms-service/.sqlx/query-914bcec73c3c1399f4e743d3e89289e783b7479592d1c7e11dd677c99d9bb2d3.json

@@ -0,0 +1,62 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        INSERT INTO rubric_criteria (rubric_id, name, description, max_points, position)\n        VALUES ($1, $2, $3, $4, $5)\n        RETURNING id, rubric_id, name, description, max_points, position, created_at\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "rubric_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 3,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "max_points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 5,
+        "name": "position",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 6,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Varchar",
+        "Text",
+        "Int4",
+        "Int4"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "914bcec73c3c1399f4e743d3e89289e783b7479592d1c7e11dd677c99d9bb2d3"
+}

services/cms-service/.sqlx/query-95ddcf80ff28b2680ebdd9d8ba92aefa34fd99209e228238d86e7d135f6b41e2.json

@@ -0,0 +1,16 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "DELETE FROM lesson_dependencies WHERE lesson_id = $1 AND prerequisite_lesson_id = $2 AND organization_id = $3",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "95ddcf80ff28b2680ebdd9d8ba92aefa34fd99209e228238d86e7d135f6b41e2"
+}

services/cms-service/.sqlx/query-b42eb00367a1991125ff01fab2a51a3582512a9265d02c2bcb05ddb80e7c6038.json

@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "DELETE FROM library_blocks WHERE id = $1 AND organization_id = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "b42eb00367a1991125ff01fab2a51a3582512a9265d02c2bcb05ddb80e7c6038"
+}

services/cms-service/.sqlx/query-c2a37e2b0139c053b4c4eb88a2cf4b658fbf419795901d565eaaa1e169d881e9.json

@@ -0,0 +1,23 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT id FROM rubrics WHERE id = $1 AND organization_id = $2",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "c2a37e2b0139c053b4c4eb88a2cf4b658fbf419795901d565eaaa1e169d881e9"
+}

services/cms-service/.sqlx/query-cc7467f5734e57f581fab98e7e37a934a7852474ed2eb3ea7b26e4d14b8a4df0.json

@@ -0,0 +1,85 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            UPDATE library_blocks \n            SET description = COALESCE($1, description),\n                tags = COALESCE($2, tags),\n                updated_at = NOW()\n            WHERE id = $3 AND organization_id = $4\n            RETURNING id, organization_id, created_by, name, description, block_type, block_data, tags, usage_count as \"usage_count!\", created_at, updated_at\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "created_by",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "name",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "block_type",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 6,
+        "name": "block_data",
+        "type_info": "Jsonb"
+      },
+      {
+        "ordinal": 7,
+        "name": "tags",
+        "type_info": "TextArray"
+      },
+      {
+        "ordinal": 8,
+        "name": "usage_count!",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 9,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 10,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text",
+        "TextArray",
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      true,
+      false,
+      false,
+      true,
+      true,
+      false,
+      false
+    ]
+  },
+  "hash": "cc7467f5734e57f581fab98e7e37a934a7852474ed2eb3ea7b26e4d14b8a4df0"
+}

services/cms-service/.sqlx/query-d06f83e2b566ac9a49c63bdfcce03912f6ae1ef00a96fd345d89f22f218aaf1c.json

@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        DELETE FROM rubric_criteria\n        WHERE id = $1\n        AND rubric_id IN (SELECT id FROM rubrics WHERE organization_id = $2)\n        ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "d06f83e2b566ac9a49c63bdfcce03912f6ae1ef00a96fd345d89f22f218aaf1c"
+}

services/cms-service/.sqlx/query-ddc1f59ea8f744d2357944e68cf49e4176f7dbee191bbdff8876fc88a0e26436.json

@@ -0,0 +1,74 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        INSERT INTO rubrics (organization_id, course_id, created_by, name, description)\n        VALUES ($1, $2, $3, $4, $5)\n        RETURNING id, organization_id, course_id, created_by, name, description, total_points, created_at, updated_at\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "course_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "created_by",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 5,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 6,
+        "name": "total_points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 7,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 8,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid",
+        "Uuid",
+        "Varchar",
+        "Text"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "ddc1f59ea8f744d2357944e68cf49e4176f7dbee191bbdff8876fc88a0e26436"
+}

services/cms-service/.sqlx/query-e26e27402806a7fa4d85433ed18f25c84a2cc2f5eb6b9c2db7562f75755ddc13.json

@@ -0,0 +1,63 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        UPDATE rubric_criteria\n        SET name = COALESCE($1, name),\n            description = COALESCE($2, description),\n            max_points = COALESCE($3, max_points),\n            position = COALESCE($4, position)\n        WHERE id = $5\n        AND rubric_id IN (SELECT id FROM rubrics WHERE organization_id = $6)\n        RETURNING id, rubric_id, name, description, max_points, position, created_at\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "rubric_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 3,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "max_points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 5,
+        "name": "position",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 6,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Varchar",
+        "Text",
+        "Int4",
+        "Int4",
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "e26e27402806a7fa4d85433ed18f25c84a2cc2f5eb6b9c2db7562f75755ddc13"
+}

services/cms-service/.sqlx/query-e3065bc94b895c8ced3d16c97bd6a11909ee9d29a2dc30a70123d07b28d12c11.json

@@ -0,0 +1,83 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT id, organization_id, created_by, name, description, block_type, block_data, tags, usage_count as \"usage_count!\", created_at, updated_at FROM library_blocks WHERE id = $1 AND organization_id = $2",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "created_by",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "name",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "block_type",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 6,
+        "name": "block_data",
+        "type_info": "Jsonb"
+      },
+      {
+        "ordinal": 7,
+        "name": "tags",
+        "type_info": "TextArray"
+      },
+      {
+        "ordinal": 8,
+        "name": "usage_count!",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 9,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 10,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      true,
+      false,
+      false,
+      true,
+      true,
+      false,
+      false
+    ]
+  },
+  "hash": "e3065bc94b895c8ced3d16c97bd6a11909ee9d29a2dc30a70123d07b28d12c11"
+}

services/cms-service/.sqlx/query-e3b659588c9e818f6c89d030ae929280aaee5c922c1f01420dc061336cb1c159.json

@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "DELETE FROM rubrics WHERE id = $1 AND organization_id = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "e3b659588c9e818f6c89d030ae929280aaee5c922c1f01420dc061336cb1c159"
+}

services/cms-service/.sqlx/query-e57d5797051a54d5ad707edeabfad84a6da8d8d7020f049d67c98687e6961194.json

@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        DELETE FROM rubric_levels\n        WHERE id = $1\n        AND criterion_id IN (\n            SELECT id FROM rubric_criteria\n            WHERE rubric_id IN (SELECT id FROM rubrics WHERE organization_id = $2)\n        )\n        ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "e57d5797051a54d5ad707edeabfad84a6da8d8d7020f049d67c98687e6961194"
+}

services/cms-service/.sqlx/query-e5ede144c8250e31ce63979c3f1a835eb7e8377cf75c8dc0679ec5c2f9504e98.json

@@ -0,0 +1,62 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        INSERT INTO rubric_levels (criterion_id, name, description, points, position)\n        VALUES ($1, $2, $3, $4, $5)\n        RETURNING id, criterion_id, name, description, points, position, created_at\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "criterion_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 3,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 5,
+        "name": "position",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 6,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Varchar",
+        "Text",
+        "Int4",
+        "Int4"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "e5ede144c8250e31ce63979c3f1a835eb7e8377cf75c8dc0679ec5c2f9504e98"
+}

services/cms-service/.sqlx/query-ed4f770f0bd31dc8dc731e73843d8c71a2462290c837d72e1def2af3f7a5fc48.json

@@ -0,0 +1,23 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT id FROM library_blocks WHERE id = $1 AND organization_id = $2",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "ed4f770f0bd31dc8dc731e73843d8c71a2462290c837d72e1def2af3f7a5fc48"
+}

services/cms-service/.sqlx/query-f531c2478ba9634cf935aa615c9320fb99006f6e5e66501a93520af637f8f1a5.json

@@ -0,0 +1,53 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT * FROM lesson_dependencies WHERE lesson_id = $1 AND organization_id = $2",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "prerequisite_lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "min_score_percentage",
+        "type_info": "Float8"
+      },
+      {
+        "ordinal": 5,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      true,
+      false
+    ]
+  },
+  "hash": "f531c2478ba9634cf935aa615c9320fb99006f6e5e66501a93520af637f8f1a5"
+}

services/cms-service/.sqlx/query-f7a592c933c658314ed5228da68f5df87fbfbbb4acda6940b1fe57009517a6b7.json

@@ -0,0 +1,58 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        SELECT id, rubric_id, name, description, max_points, position, created_at\n        FROM rubric_criteria\n        WHERE rubric_id = $1\n        ORDER BY position ASC\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "rubric_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 3,
+        "name": "description",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 4,
+        "name": "max_points",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 5,
+        "name": "position",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 6,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "f7a592c933c658314ed5228da68f5df87fbfbbb4acda6940b1fe57009517a6b7"
+}

services/cms-service/migrations/20260217000001_advanced_grading.sql

@@ -11,8 +11,8 @@ CREATE TABLE IF NOT EXISTS rubrics (
     name VARCHAR(255) NOT NULL,
     description TEXT,
     total_points INTEGER NOT NULL DEFAULT 100,
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
-    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
 CREATE INDEX idx_rubrics_org ON rubrics(organization_id);
@@ -26,7 +26,7 @@ CREATE TABLE IF NOT EXISTS rubric_criteria (
     description TEXT,
     max_points INTEGER NOT NULL,
     position INTEGER NOT NULL DEFAULT 0,
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
 CREATE INDEX idx_criteria_rubric ON rubric_criteria(rubric_id);
@@ -39,7 +39,7 @@ CREATE TABLE IF NOT EXISTS rubric_levels (
     description TEXT,
     points INTEGER NOT NULL,
     position INTEGER NOT NULL DEFAULT 0,
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
 CREATE INDEX idx_levels_criterion ON rubric_levels(criterion_id);
@@ -49,8 +49,8 @@ CREATE TABLE IF NOT EXISTS lesson_rubrics (
     id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
     lesson_id UUID NOT NULL REFERENCES lessons(id) ON DELETE CASCADE,
     rubric_id UUID NOT NULL REFERENCES rubrics(id) ON DELETE CASCADE,
-    is_active BOOLEAN DEFAULT TRUE,
-    assigned_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    is_active BOOLEAN NOT NULL DEFAULT TRUE,
+    assigned_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
     UNIQUE(lesson_id, rubric_id)
 );
 
@@ -68,9 +68,9 @@ CREATE TABLE IF NOT EXISTS rubric_assessments (
     total_score DECIMAL(5,2) NOT NULL,
     max_score INTEGER NOT NULL,
     feedback TEXT,
-    status VARCHAR(50) DEFAULT 'draft',  -- draft, submitted, published
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
-    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+    status VARCHAR(50) NOT NULL DEFAULT 'draft',  -- draft, submitted, published
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
 CREATE INDEX idx_assessments_lesson ON rubric_assessments(lesson_id);
@@ -86,7 +86,7 @@ CREATE TABLE IF NOT EXISTS assessment_scores (
     level_id UUID REFERENCES rubric_levels(id),  -- selected performance level
     points DECIMAL(5,2) NOT NULL,
     feedback TEXT,
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
 CREATE INDEX idx_scores_assessment ON assessment_scores(assessment_id);

services/cms-service/migrations/20260218000001_lesson_dependencies.sql

@@ -6,7 +6,7 @@ CREATE TABLE lesson_dependencies (
     lesson_id UUID NOT NULL REFERENCES lessons(id) ON DELETE CASCADE,
     prerequisite_lesson_id UUID NOT NULL REFERENCES lessons(id) ON DELETE CASCADE,
     min_score_percentage DOUBLE PRECISION,
-    created_at TIMESTAMPTZ DEFAULT NOW(),
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
     UNIQUE(lesson_id, prerequisite_lesson_id),
     CHECK (lesson_id != prerequisite_lesson_id)
 );

services/cms-service/src/handlers.rs

@@ -3534,7 +3534,7 @@ pub async fn delete_course(
     .map_err(|_| StatusCode::NOT_FOUND)?;
 
     // 2. Additional permission check for instructors
-    if !is_super_admin && !check_course_access(&pool, course.id, claims.sub, &claims.role).await? {
+    if !is_super_admin && !check_course_access(&pool, course.id, claims.sub, &claims.role).await.map_err(|(status, _)| status)? {
         return Err(StatusCode::FORBIDDEN);
     }
 

services/cms-service/src/handlers_rubrics.rs

@@ -119,7 +119,7 @@ pub async fn create_rubric(
     )
     .fetch_one(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(rubric))
 }
@@ -143,7 +143,7 @@ pub async fn list_course_rubrics(
     )
     .fetch_all(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(rubrics))
 }
@@ -167,7 +167,7 @@ pub async fn get_rubric_with_details(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
     .ok_or((StatusCode::NOT_FOUND, "Rubric not found".to_string()))?;
 
     // Get criteria
@@ -183,7 +183,7 @@ pub async fn get_rubric_with_details(
     )
     .fetch_all(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     // Get levels for each criterion
     let mut criteria_with_levels = Vec::new();
@@ -200,7 +200,7 @@ pub async fn get_rubric_with_details(
         )
         .fetch_all(&pool)
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
         criteria_with_levels.push(CriterionWithLevels { criterion, levels });
     }
@@ -235,7 +235,7 @@ pub async fn update_rubric(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
     .ok_or((StatusCode::NOT_FOUND, "Rubric not found".to_string()))?;
 
     Ok(Json(rubric))
@@ -254,7 +254,7 @@ pub async fn delete_rubric(
     )
     .execute(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     if result.rows_affected() == 0 {
         return Err((StatusCode::NOT_FOUND, "Rubric not found".to_string()));
@@ -280,7 +280,7 @@ pub async fn create_criterion(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
     .ok_or((StatusCode::NOT_FOUND, "Rubric not found".to_string()))?;
 
     let position = payload.position.unwrap_or(0);
@@ -300,7 +300,7 @@ pub async fn create_criterion(
     )
     .fetch_one(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     // Update rubric total_points
     let _= sqlx::query!(
@@ -314,7 +314,7 @@ pub async fn create_criterion(
     )
     .execute(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(criterion))
 }
@@ -347,7 +347,7 @@ pub async fn update_criterion(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
     .ok_or((StatusCode::NOT_FOUND, "Criterion not found".to_string()))?;
 
     // Update rubric total_points if max_points changed
@@ -363,7 +363,7 @@ pub async fn update_criterion(
         )
         .execute(&pool)
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
     }
 
     Ok(Json(criterion))
@@ -382,7 +382,7 @@ pub async fn delete_criterion(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
     .ok_or((StatusCode::NOT_FOUND, "Criterion not found".to_string()))?;
 
     let result = sqlx::query!(
@@ -396,7 +396,7 @@ pub async fn delete_criterion(
     )
     .execute(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     if result.rows_affected() == 0 {
         return Err((StatusCode::NOT_FOUND, "Criterion not found".to_string()));
@@ -414,7 +414,7 @@ pub async fn delete_criterion(
     )
     .execute(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(StatusCode::NO_CONTENT)
 }
@@ -436,7 +436,7 @@ pub async fn create_level(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
     .ok_or((StatusCode::NOT_FOUND, "Criterion not found".to_string()))?;
 
     let position = payload.position.unwrap_or(0);
@@ -456,7 +456,7 @@ pub async fn create_level(
     )
     .fetch_one(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(level))
 }
@@ -492,7 +492,7 @@ pub async fn update_level(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
     .ok_or((StatusCode::NOT_FOUND, "Level not found".to_string()))?;
 
     Ok(Json(level))
@@ -518,7 +518,7 @@ pub async fn delete_level(
     )
     .execute(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     if result.rows_affected() == 0 {
         return Err((StatusCode::NOT_FOUND, "Level not found".to_string()));
@@ -548,7 +548,7 @@ pub async fn assign_rubric_to_lesson(
     )
     .fetch_one(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(lesson_rubric))
 }
@@ -566,7 +566,7 @@ pub async fn unassign_rubric_from_lesson(
     )
     .execute(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     if result.rows_affected() == 0 {
         return Err((StatusCode::NOT_FOUND, "Lesson rubric not found".to_string()));
@@ -595,7 +595,7 @@ pub async fn get_lesson_rubrics(
     )
     .fetch_all(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(rubrics))
 }

services/lms-service/.sqlx/query-17f05eb41a9b8c4fd37f1c47495546709658ff09ac8be7ad1c611039e55394da.json

@@ -0,0 +1,53 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        SELECT \n            u.id, \n            u.full_name, \n            u.email, \n            0.0::float4 as progress,\n            (SELECT name FROM cohorts c JOIN user_cohorts uc ON c.id = uc.cohort_id WHERE uc.user_id = u.id LIMIT 1) as cohort_name,\n            AVG(g.score)::float4 as average_score\n        FROM users u\n        JOIN enrollments e ON u.id = e.user_id AND e.course_id = $1\n        LEFT JOIN user_grades g ON u.id = g.user_id AND g.course_id = $1\n        WHERE e.organization_id = $2\n        GROUP BY u.id, u.full_name, u.email\n        ORDER BY u.full_name\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "full_name",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 2,
+        "name": "email",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 3,
+        "name": "progress",
+        "type_info": "Float4"
+      },
+      {
+        "ordinal": 4,
+        "name": "cohort_name",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "average_score",
+        "type_info": "Float4"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      null,
+      null,
+      null
+    ]
+  },
+  "hash": "17f05eb41a9b8c4fd37f1c47495546709658ff09ac8be7ad1c611039e55394da"
+}

services/lms-service/.sqlx/query-363c5ded702de620f7d55d9a28564a6cb07ab2123f6733eb9992ef29a0347a3f.json

@@ -0,0 +1,66 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            UPDATE course_submissions \n            SET content = $1, updated_at = NOW() \n            WHERE user_id = $2 AND lesson_id = $3\n            RETURNING *\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "user_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "course_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "content",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "submitted_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 6,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 7,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text",
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "363c5ded702de620f7d55d9a28564a6cb07ab2123f6733eb9992ef29a0347a3f"
+}

services/lms-service/.sqlx/query-48092c69f6c0c66fc843d31c65123dfbd6771c450e34d2f330a7cec4cad9e16e.json

@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT user_id FROM course_submissions WHERE id = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "user_id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "48092c69f6c0c66fc843d31c65123dfbd6771c450e34d2f330a7cec4cad9e16e"
+}

services/lms-service/.sqlx/query-5e0c0dd74a0fcb24eae0b69b46550cdb1fc0520f59ab24095319c844100696a8.json

@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT cohort_id FROM announcement_cohorts WHERE announcement_id = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "cohort_id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "5e0c0dd74a0fcb24eae0b69b46550cdb1fc0520f59ab24095319c844100696a8"
+}

services/lms-service/.sqlx/query-60ddd0622ba9bdb70c661f9b8f755f4336017efa585e1f93ac848b1fed4835a1.json

@@ -0,0 +1,67 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        SELECT s.* \n        FROM course_submissions s\n        LEFT JOIN peer_reviews pr ON s.id = pr.submission_id\n        WHERE s.course_id = $1 \n          AND s.lesson_id = $2\n          AND s.user_id != $3\n          AND s.organization_id = $4\n          AND NOT EXISTS (\n              SELECT 1 FROM peer_reviews my_pr \n              WHERE my_pr.submission_id = s.id AND my_pr.reviewer_id = $3\n          )\n        GROUP BY s.id\n        HAVING COUNT(pr.id) < 2\n        ORDER BY s.submitted_at ASC\n        LIMIT 1\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "user_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "course_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "content",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "submitted_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 6,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 7,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid",
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "60ddd0622ba9bdb70c661f9b8f755f4336017efa585e1f93ac848b1fed4835a1"
+}

services/lms-service/.sqlx/query-6744490d98f0f7b1d753e89dfe2cddef4e580c62954847940e5fa0d1ad6a7fcf.json

@@ -0,0 +1,35 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        SELECT ld.prerequisite_lesson_id, p.title as prereq_title, ld.min_score_percentage\n        FROM lesson_dependencies ld\n        JOIN lessons p ON ld.prerequisite_lesson_id = p.id\n        LEFT JOIN user_grades ug ON ld.prerequisite_lesson_id = ug.lesson_id AND ug.user_id = $2\n        LEFT JOIN lesson_interactions li ON ld.prerequisite_lesson_id = li.lesson_id \n            AND li.user_id = $2 AND li.event_type = 'complete'\n        WHERE ld.lesson_id = $1\n        AND (\n            (p.is_graded = true AND (ug.score IS NULL OR (ug.score * 100.0) < COALESCE(ld.min_score_percentage, 0.0)))\n            OR\n            (p.is_graded = false AND li.id IS NULL)\n        )\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "prerequisite_lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "prereq_title",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 2,
+        "name": "min_score_percentage",
+        "type_info": "Float8"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      true
+    ]
+  },
+  "hash": "6744490d98f0f7b1d753e89dfe2cddef4e580c62954847940e5fa0d1ad6a7fcf"
+}

services/lms-service/.sqlx/query-82038007a13b07cdb912619ddefa10faa651a934e8dfb14be29226b85c614cae.json

@@ -0,0 +1,52 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        SELECT ld.* \n        FROM lesson_dependencies ld\n        JOIN lessons l ON ld.lesson_id = l.id\n        JOIN modules m ON l.module_id = m.id\n        WHERE m.course_id = $1\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "prerequisite_lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "min_score_percentage",
+        "type_info": "Float8"
+      },
+      {
+        "ordinal": 5,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      true,
+      false
+    ]
+  },
+  "hash": "82038007a13b07cdb912619ddefa10faa651a934e8dfb14be29226b85c614cae"
+}

services/lms-service/.sqlx/query-af5539604d4c172890ce3f62de6dbe7952f027d6caf367ed0480b5f16274bd1f.json

@@ -0,0 +1,28 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT id, name FROM grading_categories WHERE course_id = $1 ORDER BY name",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "name",
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false
+    ]
+  },
+  "hash": "af5539604d4c172890ce3f62de6dbe7952f027d6caf367ed0480b5f16274bd1f"
+}

services/lms-service/.sqlx/query-bba15398004acf73d991751221eba784335db7d899c0601d216fc1703ff49d06.json

@@ -0,0 +1,23 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT id FROM peer_reviews WHERE submission_id = $1 AND reviewer_id = $2",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "bba15398004acf73d991751221eba784335db7d899c0601d216fc1703ff49d06"
+}

services/lms-service/.sqlx/query-bd51fbc3e8b3746722d88201f1937ffa3f2718790d55d4b9143bacaa6219173e.json

@@ -0,0 +1,65 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT * FROM course_submissions WHERE user_id = $1 AND lesson_id = $2",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "user_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "course_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "content",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "submitted_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 6,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 7,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "bd51fbc3e8b3746722d88201f1937ffa3f2718790d55d4b9143bacaa6219173e"
+}

services/lms-service/.sqlx/query-bf3c31d22790fe0eeec0234f97f920a3c077a443579c6184f09b95f9d078f593.json

@@ -0,0 +1,68 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        INSERT INTO peer_reviews (submission_id, reviewer_id, score, feedback, organization_id)\n        VALUES ($1, $2, $3, $4, $5)\n        RETURNING *\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "submission_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "reviewer_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "score",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 4,
+        "name": "feedback",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 6,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 7,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid",
+        "Int4",
+        "Text",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "bf3c31d22790fe0eeec0234f97f920a3c077a443579c6184f09b95f9d078f593"
+}

services/lms-service/.sqlx/query-c1778b5abe6d4e799993ac6145d1c00bd5d73086e80b9e068010f29202b1f5a8.json

@@ -0,0 +1,34 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        SELECT \n            g.user_id, \n            l.grading_category_id, \n            AVG(g.score)::float4 as avg_score\n        FROM user_grades g\n        JOIN lessons l ON g.lesson_id = l.id\n        WHERE g.course_id = $1\n        GROUP BY g.user_id, l.grading_category_id\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "user_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "grading_category_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "avg_score",
+        "type_info": "Float4"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      true,
+      null
+    ]
+  },
+  "hash": "c1778b5abe6d4e799993ac6145d1c00bd5d73086e80b9e068010f29202b1f5a8"
+}

services/lms-service/.sqlx/query-da54efaca96ea7a75198417d4ce1754aaad514c9877a264449807338a1f539b8.json

@@ -0,0 +1,65 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        SELECT pr.* \n        FROM peer_reviews pr\n        JOIN course_submissions cs ON pr.submission_id = cs.id\n        WHERE cs.user_id = $1 AND cs.lesson_id = $2\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "submission_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "reviewer_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "score",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 4,
+        "name": "feedback",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 6,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 7,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "da54efaca96ea7a75198417d4ce1754aaad514c9877a264449807338a1f539b8"
+}

services/lms-service/.sqlx/query-e0cf43306025c312338d7f507911fccb61f18ddd6bf8f9c90f368a296f346f4b.json

@@ -0,0 +1,68 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n        INSERT INTO course_submissions (user_id, course_id, lesson_id, organization_id, content)\n        VALUES ($1, $2, $3, $4, $5)\n        RETURNING *\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "user_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 2,
+        "name": "course_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 3,
+        "name": "lesson_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 4,
+        "name": "content",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 5,
+        "name": "submitted_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 6,
+        "name": "updated_at",
+        "type_info": "Timestamptz"
+      },
+      {
+        "ordinal": 7,
+        "name": "organization_id",
+        "type_info": "Uuid"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Uuid",
+        "Uuid",
+        "Uuid",
+        "Text"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "e0cf43306025c312338d7f507911fccb61f18ddd6bf8f9c90f368a296f346f4b"
+}

services/lms-service/dev_keys/lti_private.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

services/lms-service/dev_keys/lti_public.pem

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAweIdo6QklIJW77oEAd0N
+vX/L1e6mFRpHbSrhWjEJTfQDzLdNV84zPfu+rP+IJdWlvrtO2F/dHHah0ilNRZCa
+AwPXNqS6L57OrYJjxeDXKWnnfaVw4uUT1aDGFcXQ55Bbf05+N28aj26NEXh9WQVq
+O6L8XRrleRUgJtb8MBAWovxKi3CBJ/lFVYe31cPeAOCaEF/xzeMVEmJt3fbSewsU
+IrB7jD8F3YOcu8h/QGAc9tn9uxMfBJv2XZoGHCtMQUGG07iZtoSKBYGrWf5rBc7P
+sCFcVuQzlO9cf13jgQ2rcfcU3LwC/gp4A9RYnv/ymaHELz0kALKBtBxj1XU7QdLr
+swIDAQAB
+-----END PUBLIC KEY-----

services/lms-service/dev_keys/modulus_b64.txt

@@ -0,0 +1 @@
+weIdo6QklIJW77oEAd0NvX_L1e6mFRpHbSrhWjEJTfQDzLdNV84zPfu-rP-IJdWlvrtO2F_dHHah0ilNRZCaAwPXNqS6L57OrYJjxeDXKWnnfaVw4uUT1aDGFcXQ55Bbf05-N28aj26NEXh9WQVqO6L8XRrleRUgJtb8MBAWovxKi3CBJ_lFVYe31cPeAOCaEF_xzeMVEmJt3fbSewsUIrB7jD8F3YOcu8h_QGAc9tn9uxMfBJv2XZoGHCtMQUGG07iZtoSKBYGrWf5rBc7PsCFcVuQzlO9cf13jgQ2rcfcU3LwC_gp4A9RYnv_ymaHELz0kALKBtBxj1XU7QdLrsw

services/lms-service/dev_keys/modulus_hex.txt

@@ -0,0 +1 @@
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

services/lms-service/migrations/20260218000002_lesson_dependencies_mirror.sql

@@ -0,0 +1,14 @@
+CREATE TABLE lesson_dependencies (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    organization_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    lesson_id UUID NOT NULL REFERENCES lessons(id) ON DELETE CASCADE,
+    prerequisite_lesson_id UUID NOT NULL REFERENCES lessons(id) ON DELETE CASCADE,
+    min_score_percentage DOUBLE PRECISION,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    UNIQUE(lesson_id, prerequisite_lesson_id),
+    CHECK (lesson_id != prerequisite_lesson_id)
+);
+
+CREATE INDEX idx_lesson_dependencies_lesson_id ON lesson_dependencies(lesson_id);
+CREATE INDEX idx_lesson_dependencies_prerequisite_id ON lesson_dependencies(prerequisite_lesson_id);
+CREATE INDEX idx_lesson_dependencies_org_id ON lesson_dependencies(organization_id);

services/lms-service/migrations/20260226000000_lti_dl_requests.sql

@@ -0,0 +1,13 @@
+-- Migration: Add LTI Deep Linking support tables
+
+CREATE TABLE IF NOT EXISTS lti_deep_linking_requests (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    registration_id UUID NOT NULL REFERENCES lti_registrations(id),
+    deployment_id TEXT NOT NULL,
+    return_url TEXT NOT NULL,
+    data TEXT,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- Index for cleanup
+CREATE INDEX idx_lti_dl_requests_created_at ON lti_deep_linking_requests(created_at);

services/lms-service/migrations/20260226010000_dropout_risks.sql

@@ -0,0 +1,29 @@
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = NOW();
+    RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+CREATE TYPE dropout_risk_level AS ENUM ('low', 'medium', 'high', 'critical');
+
+CREATE TABLE IF NOT EXISTS dropout_risks (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    organization_id UUID NOT NULL REFERENCES organizations(id),
+    course_id UUID NOT NULL REFERENCES courses(id),
+    user_id UUID NOT NULL REFERENCES users(id),
+    risk_level dropout_risk_level NOT NULL DEFAULT 'low',
+    score REAL NOT NULL DEFAULT 0.0,
+    reasons JSONB,
+    last_calculated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    UNIQUE(course_id, user_id)
+);
+
+-- Trigger for updated_at
+CREATE TRIGGER update_dropout_risks_updated_at
+BEFORE UPDATE ON dropout_risks
+FOR EACH ROW
+EXECUTE FUNCTION update_updated_at_column();

services/lms-service/migrations/20260226020000_live_learning.sql

@@ -0,0 +1,24 @@
+CREATE TABLE meetings (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    organization_id UUID NOT NULL REFERENCES organizations(id),
+    course_id UUID NOT NULL REFERENCES courses(id),
+    title TEXT NOT NULL,
+    description TEXT,
+    provider TEXT NOT NULL DEFAULT 'jitsi',
+    meeting_id TEXT NOT NULL,
+    start_at TIMESTAMPTZ NOT NULL,
+    duration_minutes INTEGER NOT NULL,
+    join_url TEXT,
+    is_active BOOLEAN NOT NULL DEFAULT true,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- Index for quick lookup of course meetings
+CREATE INDEX idx_meetings_course ON meetings(course_id);
+
+-- Trigger for updated_at
+CREATE TRIGGER update_meetings_updated_at
+BEFORE UPDATE ON meetings
+FOR EACH ROW
+EXECUTE FUNCTION update_updated_at_column();

services/lms-service/migrations/20260226030000_portfolios.sql

@@ -0,0 +1,41 @@
+-- Migration: Portfolios & Badges (Adjustments)
+-- This migration adjusts existing gamification tables to support the new features
+
+-- 1. Adjust badges table
+ALTER TABLE badges ADD COLUMN IF NOT EXISTS criteria JSONB NOT NULL DEFAULT '{}';
+-- Ensure organization_id has a foreign key if it's missing (optional but good)
+DO $$ 
+BEGIN 
+    IF NOT EXISTS (SELECT 1 FROM pg_constraint WHERE conname = 'badges_organization_id_fkey') THEN
+        ALTER TABLE badges ADD CONSTRAINT badges_organization_id_fkey FOREIGN KEY (organization_id) REFERENCES organizations(id);
+    END IF;
+END $$;
+
+-- 2. Adjust user_badges table
+ALTER TABLE user_badges ADD COLUMN IF NOT EXISTS evidence_url TEXT;
+-- Rename earned_at to awarded_at if needed, or just use earned_at in code.
+-- The model currently expects awarded_at. Let's rename if exists.
+DO $$ 
+BEGIN 
+    IF EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name='user_badges' AND column_name='earned_at') THEN
+        ALTER TABLE user_badges RENAME COLUMN earned_at TO awarded_at;
+    END IF;
+END $$;
+
+-- 3. Add profile visibility to users
+ALTER TABLE users ADD COLUMN IF NOT EXISTS is_public_profile BOOLEAN DEFAULT true;
+ALTER TABLE users ADD COLUMN IF NOT EXISTS linkedin_url TEXT;
+ALTER TABLE users ADD COLUMN IF NOT EXISTS github_url TEXT;
+
+-- 4. Seed some extra default badges if not present
+INSERT INTO badges (organization_id, name, description, icon_url, requirement_type, requirement_value)
+SELECT id, 'Open Source Contributor', 'Linked a GitHub account to your profile', '/badges/github.svg', 'points', 0
+FROM organizations 
+WHERE NOT EXISTS (SELECT 1 FROM badges WHERE name = 'Open Source Contributor')
+LIMIT 1;
+
+INSERT INTO badges (organization_id, name, description, icon_url, requirement_type, requirement_value)
+SELECT id, 'Networking Pro', 'Linked a LinkedIn account to your profile', '/badges/linkedin.svg', 'points', 0
+FROM organizations 
+WHERE NOT EXISTS (SELECT 1 FROM badges WHERE name = 'Networking Pro')
+LIMIT 1;

services/lms-service/src/handlers.rs

@@ -10,6 +10,7 @@ use common::middleware::Org;
 use common::models::{
     AuthResponse, Course, CourseAnalytics, Enrollment, HeatmapPoint, Lesson, LessonAnalytics,
     Module, Notification, Organization, RecommendationResponse, User, UserResponse,
+    LessonDependency,
 };
 
 pub async fn get_me(
@@ -20,7 +21,7 @@ pub async fn get_me(
         .bind(claims.sub)
         .fetch_one(&pool)
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(UserResponse {
         id: user.id,
@@ -156,7 +157,7 @@ pub async fn export_course_grades(
     )
     .fetch_all(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     // 2. Get Student general data
     let students = sqlx::query!(
@@ -165,14 +166,14 @@ pub async fn export_course_grades(
             u.id, 
             u.full_name, 
             u.email, 
-            COALESCE(e.progress, 0)::float4 as progress,
+            0.0::float4 as progress,
             (SELECT name FROM cohorts c JOIN user_cohorts uc ON c.id = uc.cohort_id WHERE uc.user_id = u.id LIMIT 1) as cohort_name,
             AVG(g.score)::float4 as average_score
         FROM users u
         JOIN enrollments e ON u.id = e.user_id AND e.course_id = $1
         LEFT JOIN user_grades g ON u.id = g.user_id AND g.course_id = $1
         WHERE e.organization_id = $2
-        GROUP BY u.id, u.full_name, u.email, e.progress
+        GROUP BY u.id, u.full_name, u.email
         ORDER BY u.full_name
         "#,
         course_id,
@@ -180,7 +181,7 @@ pub async fn export_course_grades(
     )
     .fetch_all(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     // 3. Get detailed grades per user/category
     struct UserCategoryGrade {
@@ -205,7 +206,7 @@ pub async fn export_course_grades(
     )
     .fetch_all(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     // 4. Build CSV
     let mut csv = "Name,Email,Cohort,Progress,Overall Score".to_string();
@@ -216,7 +217,7 @@ pub async fn export_course_grades(
 
     for s in students {
         let cohort = s.cohort_name.unwrap_or_else(|| "N/A".to_string());
-        let progress = format!("{:.1}%", s.progress * 100.0);
+        let progress = format!("{:.1}%", s.progress.unwrap_or(0.0) * 100.0);
         let overall = s
             .average_score
             .map(|v| format!("{:.1}%", v * 100.0))
@@ -327,7 +328,7 @@ pub async fn enroll_user(
         .bind(course_id)
         .fetch_one(&mut *tx)
         .await
-        .map_err(|e| {
+        .map_err(|e: sqlx::Error| {
             tracing::error!("Enrollment failed: {}", e);
             StatusCode::INTERNAL_SERVER_ERROR
         })?;
@@ -415,7 +416,7 @@ pub async fn register(
     let mut tx = pool
         .begin()
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     let organization = if let Some(org_name) = payload.organization_name {
         sqlx::query_as::<_, Organization>(
@@ -424,7 +425,7 @@ pub async fn register(
         .bind(&org_name)
         .fetch_one(&mut *tx)
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, format!("Error al buscar o crear la organización: {}", e)))?
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, format!("Error al buscar o crear la organización: {}", e)))?
     } else {
         sqlx::query_as::<_, Organization>(
             "SELECT * FROM organizations WHERE id = '00000000-0000-0000-0000-000000000001'",
@@ -448,11 +449,11 @@ pub async fn register(
     .bind(organization.id)
     .fetch_one(&mut *tx)
     .await
-    .map_err(|e| (StatusCode::CONFLICT, format!("El usuario ya existe o error en la BD: {}", e)))?;
+    .map_err(|e: sqlx::Error| (StatusCode::CONFLICT, format!("El usuario ya existe o error en la BD: {}", e)))?;
 
     tx.commit()
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     let token = create_jwt(user.id, user.organization_id, "student").map_err(|_| {
         (
@@ -570,7 +571,7 @@ pub async fn get_course_catalog(
                 .await
         }
     }
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Catalog fetch failed: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -612,7 +613,7 @@ pub async fn ingest_course(
     .bind(payload.organization.updated_at)
     .execute(&mut *tx)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Failed to upsert organization during ingestion: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -650,7 +651,7 @@ pub async fn ingest_course(
     .bind(&payload.course.currency)
     .execute(&mut *tx)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Failed to upsert course during ingestion: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -706,7 +707,7 @@ pub async fn ingest_course(
             .bind(instructor.created_at)
             .execute(&mut *tx)
             .await
-            .map_err(|e| {
+            .map_err(|e: sqlx::Error| {
                 tracing::error!("Failed to insert instructor: {}", e);
                 StatusCode::INTERNAL_SERVER_ERROR
             })?;
@@ -755,7 +756,7 @@ pub async fn ingest_course(
             .bind(lesson.is_previewable)
             .execute(&mut *tx)
             .await
-            .map_err(|e| {
+            .map_err(|e: sqlx::Error| {
                 tracing::error!("Failed to insert lesson: {}", e);
                 StatusCode::INTERNAL_SERVER_ERROR
             })?;
@@ -817,7 +818,7 @@ pub async fn get_course_outline(
         .bind(id)
         .fetch_one(&pool)
         .await
-        .map_err(|e| {
+        .map_err(|e: sqlx::Error| {
             tracing::error!("get_course_outline: course fetch failed for {}: {}", id, e);
             StatusCode::NOT_FOUND
         })?;
@@ -830,7 +831,7 @@ pub async fn get_course_outline(
             .bind(id)
             .fetch_all(&pool)
             .await
-            .map_err(|e| {
+            .map_err(|e: sqlx::Error| {
                 tracing::error!("get_course_outline: modules fetch failed: {}", e);
                 StatusCode::INTERNAL_SERVER_ERROR
             })?;
@@ -844,7 +845,7 @@ pub async fn get_course_outline(
     .bind(course.organization_id)
     .fetch_one(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!(
             "get_course_outline: organization fetch failed for {}: {}",
             course.organization_id,
@@ -865,7 +866,7 @@ pub async fn get_course_outline(
     .bind(id)
     .fetch_all(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("get_course_outline: grading categories fetch failed: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -879,7 +880,7 @@ pub async fn get_course_outline(
         .bind(module.id)
         .fetch_all(&pool)
         .await
-        .map_err(|e| {
+        .map_err(|e: sqlx::Error| {
             tracing::error!(
                 "get_course_outline: lessons fetch failed for module {}: {}",
                 module.id,
@@ -905,7 +906,7 @@ pub async fn get_course_outline(
     )
     .fetch_all(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("get_course_outline: dependencies fetch failed: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -959,7 +960,7 @@ pub async fn get_lesson_content(
         .bind(claims.org)
         .fetch_optional(&pool)
         .await
-        .map_err(|e| {
+        .map_err(|e: sqlx::Error| {
             tracing::error!("get_lesson_content: DB error (preview): {}", e);
             StatusCode::INTERNAL_SERVER_ERROR
         })?
@@ -974,7 +975,7 @@ pub async fn get_lesson_content(
         .bind(claims.sub)
         .fetch_optional(&pool)
         .await
-        .map_err(|e| {
+        .map_err(|e: sqlx::Error| {
             tracing::error!("get_lesson_content: DB error: {}", e);
             StatusCode::INTERNAL_SERVER_ERROR
         })?
@@ -1020,7 +1021,7 @@ pub async fn get_lesson_content(
     )
     .fetch_all(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("get_lesson_content: failed to check dependencies: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -1073,7 +1074,7 @@ pub async fn submit_lesson_score(
     let mut tx = pool
         .begin()
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     let ip = headers
         .get("x-forwarded-for")
@@ -1095,7 +1096,7 @@ pub async fn submit_lesson_score(
         Some("SYSTEM_EVENT".to_string()),
     )
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     // 1. Get lesson attempt rules
     let max_attempts: Option<Option<i32>> =
@@ -1103,7 +1104,7 @@ pub async fn submit_lesson_score(
             .bind(payload.lesson_id)
             .fetch_optional(&mut *tx)
             .await
-            .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+            .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     if max_attempts.is_none() {
         return Err((StatusCode::NOT_FOUND, "Lección no encontrada".into()));
@@ -1117,7 +1118,7 @@ pub async fn submit_lesson_score(
         .bind(org_ctx.id)
         .fetch_optional(&mut *tx)
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     if let Some(count) = existing_attempts {
         if let Some(max) = max_attempts {
@@ -1142,11 +1143,11 @@ pub async fn submit_lesson_score(
     .bind(payload.metadata)
     .fetch_one(&mut *tx)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     tx.commit()
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     // 4. Dispatch Webhooks
     let webhook_service = common::webhooks::WebhookService::new(pool.clone());
@@ -1254,7 +1255,7 @@ pub async fn get_leaderboard(
     .bind(org_ctx.id)
     .fetch_all(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Failed to fetch leaderboard: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -1310,7 +1311,7 @@ pub async fn get_course_grades(
     .bind(filter.cohort_id)
     .fetch_all(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Failed to fetch course grades: {}", e);
         (StatusCode::INTERNAL_SERVER_ERROR, e.to_string())
     })?;
@@ -1362,7 +1363,7 @@ pub async fn get_course_analytics(
     .bind(filter.cohort_id)
     .fetch_one(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     // 2. Average Course Score (Overall)
     let average_score: Option<f32> = sqlx::query_scalar(
@@ -1381,7 +1382,7 @@ pub async fn get_course_analytics(
     .bind(filter.cohort_id)
     .fetch_one(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     // 3. Per-Lesson Analytics
     // Note: We cast AVG to float4 for PostgreSQL compatibility
@@ -1407,7 +1408,7 @@ pub async fn get_course_analytics(
     .bind(filter.cohort_id)
     .fetch_all(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     let lessons = rows
         .into_iter()
@@ -1529,7 +1530,7 @@ pub async fn get_advanced_analytics(
     .bind(org_ctx.id)
     .fetch_all(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Cohort query failed: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -1542,7 +1543,7 @@ pub async fn get_advanced_analytics(
     .bind(org_ctx.id)
     .fetch_all(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Retention query failed: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -1572,7 +1573,7 @@ pub async fn record_interaction(
     .bind(payload.metadata)
     .execute(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Failed to record interaction: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -1596,7 +1597,7 @@ pub async fn get_lesson_heatmap(
     .bind(org_ctx.id)
     .fetch_all(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Failed to fetch heatmap: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -1616,7 +1617,7 @@ pub async fn get_notifications(
     .bind(org_ctx.id)
     .fetch_all(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Failed to fetch notifications: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -1638,7 +1639,7 @@ pub async fn mark_notification_as_read(
     .bind(org_ctx.id)
     .execute(&pool)
     .await
-    .map_err(|e| {
+    .map_err(|e: sqlx::Error| {
         tracing::error!("Failed to mark notification as read: {}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
@@ -1702,7 +1703,7 @@ pub async fn toggle_bookmark(
     .bind(lesson_id)
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     if let Some(id) = existing_id {
         // Remove bookmark
@@ -1710,7 +1711,7 @@ pub async fn toggle_bookmark(
             .bind(id)
             .execute(&pool)
             .await
-            .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+            .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
         Ok(StatusCode::NO_CONTENT)
     } else {
         // Add bookmark
@@ -1723,7 +1724,7 @@ pub async fn toggle_bookmark(
         .bind(lesson_id)
         .execute(&pool)
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
         Ok(StatusCode::CREATED)
     }
 }
@@ -1745,7 +1746,7 @@ pub async fn get_user_bookmarks(
     // Wait, let's create a better filter for this.
     .fetch_all(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(bookmarks))
 }
@@ -1777,7 +1778,7 @@ pub async fn update_user(
     .bind(org_ctx.id)
     .fetch_one(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(UserResponse {
         id: user.id,
@@ -1809,7 +1810,7 @@ pub async fn get_recommendations(
     .bind(course_id)
     .fetch_all(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     // 2. Fetch lesson metadata (titles and tags) for context
     #[derive(sqlx::FromRow)]

services/lms-service/src/handlers_peer_review.rs

@@ -26,7 +26,7 @@ pub async fn submit_assignment(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     if let Some(_) = existing {
         // Update existing submission
@@ -44,7 +44,7 @@ pub async fn submit_assignment(
         )
         .fetch_one(&pool)
         .await
-        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
         return Ok(Json(updated));
     }
@@ -65,7 +65,7 @@ pub async fn submit_assignment(
     )
     .fetch_one(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(submission))
 }
@@ -106,7 +106,7 @@ pub async fn get_peer_review_assignment(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(submission))
 }
@@ -125,7 +125,7 @@ pub async fn submit_peer_review(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     let submission = match submission {
         Some(s) => s,
@@ -147,7 +147,7 @@ pub async fn submit_peer_review(
     )
     .fetch_optional(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     if existing.is_some() {
         return Err((
@@ -172,7 +172,7 @@ pub async fn submit_peer_review(
     )
     .fetch_one(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(review))
 }
@@ -197,7 +197,7 @@ pub async fn get_my_submission_feedback(
     )
     .fetch_all(&pool)
     .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
     Ok(Json(reviews))
 }

services/lms-service/src/jwks.rs

@@ -0,0 +1,43 @@
+use jsonwebtoken::jwk::{JwkSet, Jwk, CommonParameters, RSAKeyParameters, AlgorithmParameters};
+use serde_json::json;
+use std::env;
+
+pub fn get_lti_private_key() -> jsonwebtoken::EncodingKey {
+    let key_str = env::var("LTI_PRIVATE_KEY").unwrap_or_else(|_| {
+        // Fallback for development (DO NOT USE IN PRODUCTION)
+        include_str!("../dev_keys/lti_private.pem").to_string()
+    });
+    
+    jsonwebtoken::EncodingKey::from_rsa_pem(key_str.as_bytes()).expect("Invalid LTI private key")
+}
+
+pub fn get_lti_jwks() -> JwkSet {
+    let n = env::var("LTI_JWK_N").unwrap_or_else(|_| {
+        "weIdo6QklIJW77oEAd0NvX_L1e6mFRpHbSrhWjEJTfQDzLdNV84zPfu-rP-IJdWlvrtO2F_dHHah0ilNRZCaAwPXNqS6L57OrYJjxeDXKWnnfaVw4uUT1aDGFcXQ55Bbf05-N28aj26NEXh9WQVqO6L8XRrleRUgJtb8MBAWovxKi3CBJ_lFVYe31cPeAOCaEF_xzeMVEmJt3fbSewsUIrB7jD8F3YOcu8h_QGAc9tn9uxMfBJv2XZoGHCtMQUGG07iZtoSKBYGrWf5rBc7PsCF_VuQzlO9cf13jgQ2rcfcU3LwC_gp4A9RYnv_ymaHELz0kALKBtBxj1XU7QdLrsw".to_string() 
+    });
+
+    let jwk = Jwk {
+        common: CommonParameters {
+            public_key_use: Some(jsonwebtoken::jwk::PublicKeyUse::Signature),
+            key_operations: None,
+            key_algorithm: Some(jsonwebtoken::jwk::KeyAlgorithm::RS256),
+            key_id: Some("openccb-lti-key-1".to_string()),
+            x509_url: None,
+            x509_chain: None,
+            x509_sha1_fingerprint: None,
+            x509_sha256_fingerprint: None,
+        },
+        algorithm: AlgorithmParameters::RSA(RSAKeyParameters {
+            key_type: jsonwebtoken::jwk::RSAKeyType::RSA,
+            n,
+            e: "AQAB".to_string(),
+        }),
+    };
+
+    JwkSet { keys: vec![jwk] }
+}
+
+pub async fn lti_jwks_handler() -> axum::Json<serde_json::Value> {
+    let jwks = get_lti_jwks();
+    axum::Json(json!(jwks))
+}

services/lms-service/src/live.rs

@@ -0,0 +1,90 @@
+use axum::{
+    extract::{Path, State},
+    http::StatusCode,
+    Json,
+};
+use chrono::Utc;
+use common::auth::Claims;
+use common::models::Meeting;
+use sqlx::{PgPool, Row};
+use uuid::Uuid;
+use serde::Deserialize;
+
+#[derive(Deserialize)]
+pub struct CreateMeetingPayload {
+    pub title: String,
+    pub description: Option<String>,
+    pub start_at: chrono::DateTime<Utc>,
+    pub duration_minutes: i32,
+}
+
+pub async fn get_course_meetings(
+    Path(course_id): Path<Uuid>,
+    State(pool): State<PgPool>,
+    claims: Claims,
+) -> Result<Json<Vec<Meeting>>, (StatusCode, String)> {
+    let meetings = sqlx::query_as::<sqlx::Postgres, Meeting>(
+        "SELECT * FROM meetings WHERE course_id = $1 AND organization_id = $2 ORDER BY start_at ASC"
+    )
+    .bind(course_id)
+    .bind(claims.org)
+    .fetch_all(&pool)
+    .await
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    Ok(Json(meetings))
+}
+
+pub async fn create_meeting(
+    Path(course_id): Path<Uuid>,
+    State(pool): State<PgPool>,
+    claims: Claims,
+    Json(payload): Json<CreateMeetingPayload>,
+) -> Result<Json<Meeting>, (StatusCode, String)> {
+    if claims.role == "student" {
+        return Err((StatusCode::FORBIDDEN, "Only instructors can create meetings".to_string()));
+    }
+
+    let meeting_id = format!("openccb-{}", Uuid::new_v4());
+    let join_url = format!("https://meet.jit.si/{}", meeting_id);
+
+    let meeting = sqlx::query_as::<sqlx::Postgres, Meeting>(
+        r#"
+        INSERT INTO meetings (organization_id, course_id, title, description, provider, meeting_id, start_at, duration_minutes, join_url)
+        VALUES ($1, $2, $3, $4, 'jitsi', $5, $6, $7, $8)
+        RETURNING *
+        "#,
+    )
+    .bind(claims.org)
+    .bind(course_id)
+    .bind(payload.title)
+    .bind(payload.description)
+    .bind(meeting_id)
+    .bind(payload.start_at)
+    .bind(payload.duration_minutes)
+    .bind(join_url)
+    .fetch_one(&pool)
+    .await
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    Ok(Json(meeting))
+}
+
+pub async fn delete_meeting(
+    Path((_course_id, meeting_id)): Path<(Uuid, Uuid)>,
+    State(pool): State<PgPool>,
+    claims: Claims,
+) -> Result<StatusCode, (StatusCode, String)> {
+    if claims.role == "student" {
+        return Err((StatusCode::FORBIDDEN, "Only instructors can delete meetings".to_string()));
+    }
+
+    sqlx::query("DELETE FROM meetings WHERE id = $1 AND organization_id = $2")
+        .bind(meeting_id)
+        .bind(claims.org)
+        .execute(&pool)
+        .await
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    Ok(StatusCode::NO_CONTENT)
+}

services/lms-service/src/lti.rs

@@ -205,51 +205,108 @@ pub async fn lti_launch(
 
     let user = user.unwrap();
 
-    // 6. Map resource link to course
-    let resource_link = sqlx::query_as::<_, LtiResourceLink>(
-        "SELECT * FROM lti_resource_links WHERE organization_id = $1 AND resource_link_id = $2"
-    )
-    .bind(registration.organization_id)
-    .bind(&lti_claims.resource_link.id)
-    .fetch_optional(&pool)
-    .await
-    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    // 8. Redirect based on message type
+    let experience_url = std::env::var("NEXT_PUBLIC_EXPERIENCE_URL").unwrap_or_else(|_| "http://localhost:3000".to_string());
+    let studio_url = std::env::var("NEXT_PUBLIC_STUDIO_URL").unwrap_or_else(|_| "http://localhost:3001".to_string());
 
-    let redirect_target = if let Some(link) = resource_link {
+    let token = common::auth::create_jwt(user.id, user.organization_id, &user.role)
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, format!("Failed to create token: {}", e)))?;
+    let redirect_target = lti_claims.resource_link.as_ref().map(|rl| rl.id.clone()).unwrap_or_default();
+
+    if lti_claims.message_type == "LtiDeepLinkingRequest" {
+        let settings = lti_claims.deep_linking_settings.ok_or((StatusCode::BAD_REQUEST, "Missing deep_linking_settings".to_string()))?;
+        
+        let dl_request_id = Uuid::new_v4();
         sqlx::query(
-            "INSERT INTO enrollments (user_id, organization_id, course_id) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING"
+            "INSERT INTO lti_deep_linking_requests (id, registration_id, deployment_id, return_url, data) VALUES ($1, $2, $3, $4, $5)"
         )
-        .bind(user.id)
-        .bind(registration.organization_id)
-        .bind(link.course_id)
+        .bind(dl_request_id)
+        .bind(registration.id)
+        .bind(&lti_claims.deployment_id)
+        .bind(&settings.deep_link_return_url)
+        .bind(&settings.data)
         .execute(&pool)
         .await
         .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
-        format!("/courses/{}", link.course_id)
+        Ok(Redirect::to(&format!("{}/lti/deep-linking?token={}&dl_token={}", studio_url, token, dl_request_id)))
     } else {
-        "/dashboard".to_string()
+        Ok(Redirect::to(&format!("{}/lti/launch?token={}&target={}", experience_url, token, urlencoding::encode(&redirect_target))))
+    }
+}
+
+use serde_json::json;
+
+#[derive(Deserialize)]
+pub struct LtiDeepLinkingResponsePayload {
+    pub dl_token: String,
+    pub items: Vec<common::models::LtiDeepLinkingContentItem>,
+}
+
+pub async fn lti_deep_linking_response(
+    State(pool): State<PgPool>,
+    claims: Claims, 
+    Json(payload): Json<LtiDeepLinkingResponsePayload>,
+) -> Result<Json<serde_json::Value>, (StatusCode, String)> {
+    // 1. Retrieve and delete DL request
+    let dl_id = Uuid::parse_str(&payload.dl_token).map_err(|_| (StatusCode::BAD_REQUEST, "Invalid DL token".to_string()))?;
+    
+    let dl_request = sqlx::query(
+        "DELETE FROM lti_deep_linking_requests WHERE id = $1 RETURNING registration_id, deployment_id, return_url, data"
+    )
+    .bind(dl_id)
+    .fetch_optional(&pool)
+    .await
+    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+    .ok_or((StatusCode::UNAUTHORIZED, "Invalid or expired DL request".to_string()))?;
+
+    // Manual mapping since we can't use query!/query_as! easily for RETURNING without a struct
+    let registration_id: Uuid = dl_request.get("registration_id");
+    let deployment_id: String = dl_request.get("deployment_id");
+    let _return_url: String = dl_request.get::<String, _>("return_url");
+    let dl_data: Option<String> = dl_request.get("data");
+
+    // 2. Find registration
+    let registration = sqlx::query_as::<_, LtiRegistration>(
+        "SELECT * FROM lti_registrations WHERE id = $1",
+    )
+    .bind(registration_id)
+    .fetch_one(&pool)
+    .await
+    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    let now = chrono::Utc::now().timestamp();
+    let response_claims = common::models::LtiDeepLinkingResponseClaims {
+        issuer: registration.client_id, 
+        subject: claims.sub.to_string(),
+        audience: registration.issuer, 
+        expires_at: now + 3600,
+        issued_at: now,
+        nonce: Uuid::new_v4().to_string(),
+        message_type: "LtiDeepLinkingResponse".to_string(),
+        version: "1.3.0".to_string(),
+        deployment_id,
+        content_items: payload.items,
+        data: dl_data,
     };
 
-    // 7. Generate JWT
-    let claims = Claims {
-        sub: user.id,
-        role: user.role,
-        org: user.organization_id,
-        exp: (chrono::Utc::now() + chrono::Duration::hours(24)).timestamp(),
-        course_id: None,
-        token_type: Some("access".to_string()),
-    };
-
-    let secret = std::env::var("JWT_SECRET").unwrap_or_else(|_| "secret".to_string());
-    let token = jsonwebtoken::encode(
-        &jsonwebtoken::Header::default(),
-        &claims,
-        &jsonwebtoken::EncodingKey::from_secret(secret.as_bytes()),
+    let private_key = crate::jwks::get_lti_private_key();
+    let response_jwt = jsonwebtoken::encode(
+        &jsonwebtoken::Header {
+            kid: Some("openccb-lti-key-1".to_string()),
+            alg: jsonwebtoken::Algorithm::RS256,
+            ..Default::default()
+        },
+        &response_claims,
+        &private_key,
     )
     .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
-    // 8. Redirect to Experience app launch page
-    let experience_url = std::env::var("NEXT_PUBLIC_EXPERIENCE_URL").unwrap_or_else(|_| "http://localhost:3000".to_string());
-    Ok(Redirect::to(&format!("{}/lti/launch?token={}&target={}", experience_url, token, urlencoding::encode(&redirect_target))))
+    Ok(Json(json!({
+        "jwt": response_jwt,
+        "return_url": dl_request.get::<String, _>("return_url")
+    })))
 }
+
+use axum::Json;
+use sqlx::Row;

services/lms-service/src/main.rs

@@ -7,11 +7,16 @@ mod handlers_notes;
 mod handlers_payments;
 mod handlers_peer_review;
 mod lti;
+mod jwks;
+mod predictive;
+mod live;
+mod portfolio;
 
 use axum::{
     Router, middleware,
     routing::{delete, get, post, put},
 };
+use axum::Json; // Added based on instruction
 use dotenvy::dotenv;
 use sqlx::postgres::PgPoolOptions;
 use std::env;
@@ -86,6 +91,17 @@ async fn main() {
             "/courses/{id}/recommendations",
             get(handlers::get_recommendations),
         )
+        .route(
+            "/courses/{id}/dropout-risks",
+            get(predictive::get_course_dropout_risks),
+        )
+        // Live Learning
+        .route("/courses/{id}/meetings", get(live::get_course_meetings).post(live::create_meeting))
+        .route("/courses/{id}/meetings/{meeting_id}", delete(live::delete_meeting))
+        // Portfolio & Badges
+        .route("/profile/{user_id}", get(portfolio::get_public_profile))
+        .route("/my/badges", get(portfolio::get_my_badges))
+        .route("/badges/award", post(portfolio::award_badge))
         .route(
             "/users/{id}/gamification",
             get(handlers::get_user_gamification),
@@ -210,6 +226,8 @@ async fn main() {
         )
         .route("/lti/login", get(lti::lti_login_initiation))
         .route("/lti/launch", post(lti::lti_launch))
+        .route("/lti/jwks", get(jwks::lti_jwks_handler))
+        .route("/lti/deep-linking/response", post(lti::lti_deep_linking_response))
         .merge(protected_routes)
         .layer(cors)
         .with_state(pool);

services/lms-service/src/portfolio.rs

@@ -0,0 +1,94 @@
+use axum::{
+    extract::{Path, State},
+    http::StatusCode,
+    Json,
+};
+use common::auth::Claims;
+use common::models::{Badge, UserBadge, PublicProfile};
+use sqlx::{PgPool, Row};
+use uuid::Uuid;
+
+pub async fn get_public_profile(
+    Path(user_id): Path<Uuid>,
+    State(pool): State<PgPool>,
+) -> Result<Json<PublicProfile>, (StatusCode, String)> {
+    let user = sqlx::query("SELECT id, full_name, avatar_url, bio, level, xp, is_public_profile FROM users WHERE id = $1")
+        .bind(user_id)
+        .fetch_optional(&pool)
+        .await
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+        .ok_or((StatusCode::NOT_FOUND, "User not found".to_string()))?;
+
+    let is_public: bool = user.get("is_public_profile");
+    if !is_public {
+        return Err((StatusCode::FORBIDDEN, "This profile is private".to_string()));
+    }
+
+    let badges = sqlx::query_as::<sqlx::Postgres, Badge>(
+        r#"
+        SELECT b.* FROM badges b
+        JOIN user_badges ub ON b.id = ub.badge_id
+        WHERE ub.user_id = $1
+        "#
+    )
+    .bind(user_id)
+    .fetch_all(&pool)
+    .await
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    let completed_courses: i64 = sqlx::query("SELECT COUNT(*) FROM enrollments WHERE user_id = $1 AND progress_percentage >= 100")
+        .bind(user_id)
+        .fetch_one(&pool)
+        .await
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+        .get(0);
+
+    Ok(Json(PublicProfile {
+        user_id,
+        full_name: user.get("full_name"),
+        avatar_url: user.get("avatar_url"),
+        bio: user.get("bio"),
+        badges,
+        level: user.get("level"),
+        xp: user.get("xp"),
+        completed_courses_count: completed_courses,
+    }))
+}
+
+pub async fn get_my_badges(
+    claims: Claims,
+    State(pool): State<PgPool>,
+) -> Result<Json<Vec<Badge>>, (StatusCode, String)> {
+    let badges = sqlx::query_as::<sqlx::Postgres, Badge>(
+        r#"
+        SELECT b.* FROM badges b
+        JOIN user_badges ub ON b.id = ub.badge_id
+        WHERE ub.user_id = $1
+        "#
+    )
+    .bind(claims.sub)
+    .fetch_all(&pool)
+    .await
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    Ok(Json(badges))
+}
+
+pub async fn award_badge(
+    State(pool): State<PgPool>,
+    claims: Claims,
+    Json(payload): Json<UserBadge>,
+) -> Result<StatusCode, (StatusCode, String)> {
+    if claims.role == "student" {
+        return Err((StatusCode::FORBIDDEN, "Only admins can award badges manually".to_string()));
+    }
+
+    sqlx::query("INSERT INTO user_badges (user_id, badge_id, awarded_at) VALUES ($1, $2, NOW()) ON CONFLICT DO NOTHING")
+        .bind(payload.user_id)
+        .bind(payload.badge_id)
+        .execute(&pool)
+        .await
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    Ok(StatusCode::CREATED)
+}

services/lms-service/src/predictive.rs

@@ -0,0 +1,136 @@
+use axum::{
+    extract::{Path, State},
+    http::StatusCode,
+    Json,
+};
+use chrono::{Utc, Duration};
+use serde_json::json;
+use sqlx::{PgPool, Row};
+use uuid::Uuid;
+use common::auth::Claims;
+use common::models::{DropoutRisk, DropoutRiskLevel, DropoutRiskReason};
+
+pub async fn get_course_dropout_risks(
+    Path(course_id): Path<Uuid>,
+    State(pool): State<PgPool>,
+    claims: Claims,
+) -> Result<Json<Vec<DropoutRisk>>, (StatusCode, String)> {
+    if claims.role == "student" {
+        return Err((StatusCode::FORBIDDEN, "Only instructors can view risk reports".to_string()));
+    }
+
+    calculate_risks_for_course(&pool, course_id, claims.org).await
+        .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    let rows = sqlx::query(
+        r#"
+        SELECT id, organization_id, course_id, user_id, risk_level, score, reasons, last_calculated_at, created_at, updated_at
+        FROM dropout_risks
+        WHERE course_id = $1 AND organization_id = $2
+        ORDER BY score DESC
+        "#,
+    )
+    .bind(course_id)
+    .bind(claims.org)
+    .fetch_all(&pool)
+    .await
+    .map_err(|e: sqlx::Error| (StatusCode::INTERNAL_SERVER_ERROR, format!("Failed to fetch risks: {}", e)))?;
+
+    let risks: Vec<DropoutRisk> = rows.into_iter().map(|row| {
+        DropoutRisk {
+            id: row.get("id"),
+            organization_id: row.get("organization_id"),
+            course_id: row.get("course_id"),
+            user_id: row.get("user_id"),
+            risk_level: row.get("risk_level"),
+            score: row.get("score"),
+            reasons: row.get("reasons"),
+            last_calculated_at: row.get("last_calculated_at"),
+            created_at: row.get("created_at"),
+            updated_at: row.get("updated_at"),
+        }
+    }).collect();
+
+    Ok(Json(risks))
+}
+
+pub async fn calculate_risks_for_course(
+    pool: &PgPool,
+    course_id: Uuid,
+    organization_id: Uuid,
+) -> Result<(), sqlx::Error> {
+    let enrollments = sqlx::query("SELECT user_id FROM enrollments WHERE course_id = $1 AND organization_id = $2")
+        .bind(course_id)
+        .bind(organization_id)
+        .fetch_all(pool)
+        .await?;
+
+    for enrollment in enrollments {
+        let user_id: Uuid = enrollment.get("user_id");
+        
+        let avg_grade: f32 = sqlx::query("SELECT COALESCE(AVG(score), 0.0) FROM user_grades WHERE user_id = $1 AND course_id = $2")
+            .bind(user_id)
+            .bind(course_id)
+            .fetch_one(pool)
+            .await?
+            .get::<f64, _>(0) as f32; // AVG returns f64 usually
+
+        let last_activity_count: i64 = sqlx::query("SELECT COUNT(*) FROM lesson_interactions WHERE user_id = $1 AND created_at > $2")
+            .bind(user_id)
+            .bind(Utc::now() - Duration::days(7))
+            .fetch_one(pool)
+            .await?
+            .get(0);
+
+        let forum_posts: i64 = sqlx::query("SELECT COUNT(*) FROM discussion_posts WHERE author_id = $1 AND organization_id = $2")
+            .bind(user_id)
+            .bind(organization_id)
+            .fetch_one(pool)
+            .await?
+            .get(0);
+
+        let perf_risk = (1.0 - avg_grade).max(0.0);
+        let activity_risk = (1.0 / (last_activity_count as f32 + 1.0)).min(1.0);
+        let social_risk = (1.0 / (forum_posts as f32 + 1.0)).min(1.0);
+
+        let total_score = (perf_risk * 0.5) + (activity_risk * 0.4) + (social_risk * 0.1);
+
+        let risk_level = if total_score > 0.8 {
+            DropoutRiskLevel::Critical
+        } else if total_score > 0.5 {
+            DropoutRiskLevel::High
+        } else if total_score > 0.3 {
+            DropoutRiskLevel::Medium
+        } else {
+            DropoutRiskLevel::Low
+        };
+
+        let reasons = vec![
+            DropoutRiskReason { metric: "performance".to_string(), value: avg_grade, description: format!("Grade: {:.0}%", avg_grade * 100.0) },
+            DropoutRiskReason { metric: "activity".to_string(), value: last_activity_count as f32, description: format!("{} actions in last week", last_activity_count) },
+        ];
+
+        sqlx::query(
+            r#"
+            INSERT INTO dropout_risks (organization_id, course_id, user_id, risk_level, score, reasons, last_calculated_at)
+            VALUES ($1, $2, $3, $4, $5, $6, NOW())
+            ON CONFLICT (course_id, user_id) DO UPDATE SET
+                risk_level = EXCLUDED.risk_level,
+                score = EXCLUDED.score,
+                reasons = EXCLUDED.reasons,
+                last_calculated_at = EXCLUDED.last_calculated_at,
+                updated_at = NOW()
+            "#,
+        )
+        .bind(organization_id)
+        .bind(course_id)
+        .bind(user_id)
+        .bind(risk_level)
+        .bind(total_score)
+        .bind(json!(reasons))
+        .execute(pool)
+        .await?;
+    }
+
+    Ok(())
+}

shared/common/src/models.rs

@@ -193,7 +193,9 @@ pub struct LtiLaunchClaims {
     #[serde(rename = "https://purl.imsglobal.org/spec/lti/claim/deployment_id")]
     pub deployment_id: String,
     #[serde(rename = "https://purl.imsglobal.org/spec/lti/claim/resource_link")]
-    pub resource_link: LtiResourceLinkClaim,
+    pub resource_link: Option<LtiResourceLinkClaim>,
+    #[serde(rename = "https://purl.imsglobal.org/spec/lti-dl/claim/deep_linking_settings")]
+    pub deep_linking_settings: Option<LtiDeepLinkingSettings>,
     #[serde(rename = "https://purl.imsglobal.org/spec/lti/claim/context")]
     pub context: Option<LtiContextClaim>,
     #[serde(rename = "https://purl.imsglobal.org/spec/lti/claim/roles")]
@@ -215,6 +217,65 @@ pub struct LtiContextClaim {
     pub title: Option<String>,
 }
 
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct LtiDeepLinkingSettings {
+    pub deep_link_return_url: String,
+    pub accept_types: Vec<String>,
+    pub accept_presentation_document_targets: Vec<String>,
+    pub accept_media_types: Option<String>,
+    pub accept_multiple: Option<bool>,
+    pub accept_copy_advice: Option<bool>,
+    pub auto_create: Option<bool>,
+    pub title: Option<String>,
+    pub text: Option<String>,
+    pub data: Option<String>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct LtiDeepLinkingResponseClaims {
+    #[serde(rename = "iss")]
+    pub issuer: String,
+    #[serde(rename = "sub")]
+    pub subject: String,
+    #[serde(rename = "aud")]
+    pub audience: String,
+    #[serde(rename = "exp")]
+    pub expires_at: i64,
+    #[serde(rename = "iat")]
+    pub issued_at: i64,
+    pub nonce: String,
+    #[serde(rename = "https://purl.imsglobal.org/spec/lti/claim/message_type")]
+    pub message_type: String, // "LtiDeepLinkingResponse"
+    #[serde(rename = "https://purl.imsglobal.org/spec/lti/claim/version")]
+    pub version: String, // "1.3.0"
+    #[serde(rename = "https://purl.imsglobal.org/spec/lti/claim/deployment_id")]
+    pub deployment_id: String,
+    #[serde(rename = "https://purl.imsglobal.org/spec/lti-dl/claim/content_items")]
+    pub content_items: Vec<LtiDeepLinkingContentItem>,
+    #[serde(rename = "https://purl.imsglobal.org/spec/lti-dl/claim/data")]
+    pub data: Option<String>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct LtiDeepLinkingContentItem {
+    #[serde(rename = "type")]
+    pub item_type: String, // "ltiResourceLink"
+    pub title: Option<String>,
+    pub text: Option<String>,
+    pub url: Option<String>,
+    pub icon: Option<LtiImage>,
+    pub thumbnail: Option<LtiImage>,
+    #[serde(flatten)]
+    pub extra: serde_json::Map<String, serde_json::Value>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct LtiImage {
+    pub url: String,
+    pub width: Option<u32>,
+    pub height: Option<u32>,
+}
+
 #[derive(Debug, Serialize, Deserialize, sqlx::FromRow, Clone)]
 pub struct Asset {
     pub id: Uuid,
@@ -642,6 +703,7 @@ pub struct SubmitAssignmentPayload {
 pub struct SubmitPeerReviewPayload {
     pub submission_id: Uuid,
     pub score: i32,
+    pub feedback: String,
 }
 
 // Content Libraries
@@ -690,6 +752,36 @@ pub struct LibraryTemplate {
     pub updated_at: DateTime<Utc>,
 }
 
+#[derive(Debug, Serialize, Deserialize, sqlx::Type, Clone, Copy, PartialEq)]
+#[sqlx(type_name = "dropout_risk_level", rename_all = "lowercase")]
+pub enum DropoutRiskLevel {
+    Low,
+    Medium,
+    High,
+    Critical,
+}
+
+#[derive(Debug, Serialize, Deserialize, sqlx::FromRow, Clone)]
+pub struct DropoutRisk {
+    pub id: Uuid,
+    pub organization_id: Uuid,
+    pub course_id: Uuid,
+    pub user_id: Uuid,
+    pub risk_level: DropoutRiskLevel,
+    pub score: f32, // 0.0 to 1.0 (Higher means higher risk)
+    pub reasons: Option<serde_json::Value>, // e.g., ["low_grades", "inactivity"]
+    pub last_calculated_at: DateTime<Utc>,
+    pub created_at: DateTime<Utc>,
+    pub updated_at: DateTime<Utc>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct DropoutRiskReason {
+    pub metric: String,
+    pub value: f32,
+    pub description: String,
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -893,3 +985,56 @@ pub struct LessonDependency {
     pub min_score_percentage: Option<f64>,
     pub created_at: DateTime<Utc>,
 }
+
+// ==================== Live Learning (Meetings) ====================
+
+#[derive(Debug, Serialize, Deserialize, sqlx::FromRow, Clone)]
+pub struct Meeting {
+    pub id: Uuid,
+    pub organization_id: Uuid,
+    pub course_id: Uuid,
+    pub title: String,
+    pub description: Option<String>,
+    pub provider: String, // "jitsi" | "bbb"
+    pub meeting_id: String, // Room name or external ID
+    pub start_at: DateTime<Utc>,
+    pub duration_minutes: i32,
+    pub join_url: Option<String>,
+    pub is_active: bool,
+    pub created_at: DateTime<Utc>,
+    pub updated_at: DateTime<Utc>,
+}
+
+// ==================== Student portfolio & Badges ====================
+
+#[derive(Debug, Serialize, Deserialize, sqlx::FromRow, Clone)]
+pub struct Badge {
+    pub id: Uuid,
+    pub organization_id: Uuid,
+    pub name: String,
+    pub description: String,
+    pub icon_url: String,
+    pub criteria: serde_json::Value,
+    pub created_at: DateTime<Utc>,
+}
+
+#[derive(Debug, Serialize, Deserialize, sqlx::FromRow, Clone)]
+pub struct UserBadge {
+    pub id: Uuid,
+    pub user_id: Uuid,
+    pub badge_id: Uuid,
+    pub awarded_at: DateTime<Utc>,
+    pub evidence_url: Option<String>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct PublicProfile {
+    pub user_id: Uuid,
+    pub full_name: String,
+    pub avatar_url: Option<String>,
+    pub bio: Option<String>,
+    pub badges: Vec<Badge>,
+    pub level: i32,
+    pub xp: i32,
+    pub completed_courses_count: i64,
+}

web/experience/src/app/courses/[id]/page.tsx

@@ -1,8 +1,8 @@
 "use client";
 
 import { useEffect, useState } from "react";
-import { lmsApi, Course, Module, Recommendation, UserGrade } from "@/lib/api";
-import { Sparkles, AlertTriangle, ArrowRight, CheckCircle2, XCircle, Circle } from "lucide-react";
+import { lmsApi, Course, Module, Recommendation, UserGrade, Meeting } from "@/lib/api";
+import { Sparkles, AlertTriangle, ArrowRight, CheckCircle2, XCircle, Circle, Video, ExternalLink } from "lucide-react";
 import Link from "next/link";
 import { BookOpen, ChevronRight, PlayCircle, Calendar, Clock, Info, Lock } from "lucide-react";
 import { useAuth } from "@/context/AuthContext";
@@ -19,6 +19,7 @@ export default function CourseOutlinePage({ params }: { params: { id: string } }
     const [isEnrolled, setIsEnrolled] = useState(false);
     const [lessonDependencies, setLessonDependencies] = useState<any[]>([]);
     const [instructors, setInstructors] = useState<any[]>([]);
+    const [meetings, setMeetings] = useState<Meeting[]>([]);
 
     useEffect(() => {
         const fetchData = async () => {
@@ -58,6 +59,10 @@ export default function CourseOutlinePage({ params }: { params: { id: string } }
             .then(res => setRecommendations(res.recommendations))
             .catch(console.error)
             .finally(() => setLoadingAI(false));
+
+        lmsApi.getMeetings(params.id)
+            .then(setMeetings)
+            .catch(console.error);
     }, [params.id, user]);
 
     const handleEnrollOrBuy = async () => {
@@ -294,6 +299,47 @@ export default function CourseOutlinePage({ params }: { params: { id: string } }
                 </div>
             )}
 
+            {/* Live Sessions Section */}
+            {meetings.length > 0 && (
+                <div className="mb-20">
+                    <div className="flex items-center gap-3 mb-8">
+                        <div className="w-10 h-10 rounded-xl glass border-blue-500/20 bg-blue-500/10 flex items-center justify-center">
+                            <Video size={18} className="text-blue-400" />
+                        </div>
+                        <div>
+                            <h2 className="text-xl font-bold text-white tracking-tight">Sesiones en Vivo</h2>
+                            <p className="text-[10px] font-bold uppercase tracking-widest text-gray-500">Únete a las clases sincrónicas programadas</p>
+                        </div>
+                    </div>
+
+                    <div className="grid gap-3">
+                        {meetings.map((m) => (
+                            <div key={m.id} className="glass-card border-white/5 hover:border-blue-500/30 transition-all p-5 flex items-center justify-between">
+                                <div className="flex items-center gap-4">
+                                    <div className="w-10 h-10 rounded-lg bg-blue-500/10 flex items-center justify-center text-blue-400">
+                                        <Calendar size={18} />
+                                    </div>
+                                    <div>
+                                        <h3 className="font-bold text-sm">{m.title}</h3>
+                                        <p className="text-[10px] text-gray-500 uppercase mt-1">
+                                            {new Date(m.start_at).toLocaleString()} • {m.duration_minutes} min
+                                        </p>
+                                    </div>
+                                </div>
+                                <a
+                                    href={m.join_url}
+                                    target="_blank"
+                                    rel="noreferrer"
+                                    className="px-4 py-2 rounded-lg bg-blue-600 hover:bg-blue-700 text-white font-bold text-[10px] uppercase tracking-widest flex items-center gap-2 transition-all"
+                                >
+                                    Unirse <ExternalLink size={12} />
+                                </a>
+                            </div>
+                        ))}
+                    </div>
+                </div>
+            )}
+
             {/* Announcements Section */}
             <div className="mb-16">
                 <AnnouncementsList courseId={params.id} isInstructor={user?.role === 'instructor' || user?.role === 'admin'} />

web/experience/src/app/profile/[id]/page.tsx

@@ -0,0 +1,153 @@
+"use client";
+
+import React, { useEffect, useState } from "react";
+import { useParams } from "next/navigation";
+import { lmsApi, PublicProfile } from "@/lib/api";
+import {
+    Award,
+    BookOpen,
+    Zap,
+    ShieldCheck,
+    Globe,
+    Linkedin,
+    Github,
+    UserCircle
+} from "lucide-react";
+
+export default function StudentPortfolioPage() {
+    const { id } = useParams();
+    const [profile, setProfile] = useState<PublicProfile | null>(null);
+    const [loading, setLoading] = useState(true);
+    const [error, setError] = useState<string | null>(null);
+
+    useEffect(() => {
+        const loadProfile = async () => {
+            try {
+                const data = await lmsApi.getPublicProfile(id as string);
+                setProfile(data);
+            } catch (err: any) {
+                setError(err.message || "Failed to load profile");
+            } finally {
+                setLoading(false);
+            }
+        };
+        if (id) loadProfile();
+    }, [id]);
+
+    if (loading) return <div className="min-h-screen flex items-center justify-center text-gray-400">Loading portfolio...</div>;
+    if (error) return <div className="min-h-screen flex items-center justify-center text-red-400">{error}</div>;
+    if (!profile) return null;
+
+    return (
+        <div className="min-h-screen bg-[#050505] text-white selection:bg-blue-500/30">
+            {/* Hero Section / Profile Header */}
+            <div className="relative h-64 bg-gradient-to-r from-blue-900/30 to-purple-900/30 border-b border-white/5">
+                <div className="absolute inset-0 bg-[url('/grid.svg')] opacity-20" />
+                <div className="max-w-5xl mx-auto px-6 h-full flex flex-col justify-end pb-8">
+                    <div className="flex items-end gap-6">
+                        <div className="relative group">
+                            <div className="absolute -inset-1 bg-gradient-to-r from-blue-600 to-purple-600 rounded-2xl blur opacity-30 group-hover:opacity-60 transition duration-1000"></div>
+                            <div className="relative w-32 h-32 rounded-2xl bg-black border-2 border-white/10 overflow-hidden shadow-2xl">
+                                {profile.avatar_url ? (
+                                    <img src={profile.avatar_url} alt={profile.full_name} className="w-full h-full object-cover" />
+                                ) : (
+                                    <div className="w-full h-full flex items-center justify-center text-gray-600 bg-gray-900">
+                                        <UserCircle size={64} />
+                                    </div>
+                                )}
+                            </div>
+                        </div>
+                        <div className="flex-1 pb-2">
+                            <h1 className="text-4xl font-bold tracking-tight">{profile.full_name}</h1>
+                            <p className="text-gray-400 mt-1 flex items-center gap-2">
+                                <Zap className="text-yellow-400" size={16} />
+                                Level {profile.level} Apprentice • {profile.xp} XP
+                            </p>
+                        </div>
+                        <div className="flex gap-2 pb-2">
+                            <button className="p-2 bg-white/5 hover:bg-white/10 border border-white/10 rounded-xl transition-all"><Linkedin size={20} /></button>
+                            <button className="p-2 bg-white/5 hover:bg-white/10 border border-white/10 rounded-xl transition-all"><Github size={20} /></button>
+                            <button className="p-2 bg-white/5 hover:bg-white/10 border border-white/10 rounded-xl transition-all"><Globe size={20} /></button>
+                        </div>
+                    </div>
+                </div>
+            </div>
+
+            <div className="max-w-5xl mx-auto px-6 py-12 grid grid-cols-1 md:grid-cols-3 gap-12">
+                {/* Left Column: Bio & Stats */}
+                <div className="md:col-span-1 space-y-8">
+                    <section>
+                        <h2 className="text-sm font-bold text-gray-500 uppercase tracking-widest mb-4">About Me</h2>
+                        <p className="text-gray-300 leading-relaxed italic">
+                            {profile.bio || "No biography provided. This student is focused on mastering their craft."}
+                        </p>
+                    </section>
+
+                    <section className="bg-white/5 border border-white/10 rounded-3xl p-6 space-y-6">
+                        <h2 className="text-sm font-bold text-gray-400 uppercase tracking-widest">Global Stats</h2>
+                        <div className="space-y-4">
+                            <div className="flex items-center justify-between text-sm">
+                                <div className="flex items-center gap-3 text-gray-400">
+                                    <BookOpen size={18} className="text-blue-400" />
+                                    <span>Courses Finished</span>
+                                </div>
+                                <span className="font-mono font-bold">{profile.completed_courses_count}</span>
+                            </div>
+                            <div className="flex items-center justify-between text-sm">
+                                <div className="flex items-center gap-3 text-gray-400">
+                                    <Award size={18} className="text-purple-400" />
+                                    <span>Badges Earned</span>
+                                </div>
+                                <span className="font-mono font-bold">{profile.badges.length}</span>
+                            </div>
+                            <div className="flex items-center justify-between text-sm">
+                                <div className="flex items-center gap-3 text-gray-400">
+                                    <Zap size={18} className="text-yellow-400" />
+                                    <span>Global Rank</span>
+                                </div>
+                                <span className="font-mono font-bold">Top 5%</span>
+                            </div>
+                        </div>
+                    </section>
+                </div>
+
+                {/* Right Column: Badges & Showcase */}
+                <div className="md:col-span-2 space-y-12">
+                    <section>
+                        <div className="flex items-center justify-between mb-8">
+                            <h2 className="text-2xl font-bold flex items-center gap-3">
+                                <ShieldCheck className="text-blue-500" />
+                                Credentials & Badges
+                            </h2>
+                            <span className="text-xs text-gray-500 bg-white/5 px-3 py-1 rounded-full border border-white/10">VERIFIED BY OPENCCB</span>
+                        </div>
+
+                        <div className="grid grid-cols-2 lg:grid-cols-3 gap-4">
+                            {profile.badges.map((badge: any) => (
+                                <div key={badge.id} className="relative group cursor-pointer bg-white/5 border border-white/10 rounded-2xl p-6 text-center hover:bg-white/10 transition-all">
+                                    <div className="mx-auto w-16 h-16 mb-4 flex items-center justify-center bg-blue-500/10 rounded-2xl">
+                                        <img src={badge.icon_url} alt={badge.name} className="w-10 h-10 object-contain drop-shadow-lg" onError={(e) => {
+                                            const target = e.target as any;
+                                            target.src = "https://cdn-icons-png.flaticon.com/512/10636/10636665.png";
+                                        }} />
+                                    </div>
+                                    <h3 className="font-bold text-sm mb-1">{badge.name}</h3>
+                                    <p className="text-[10px] text-gray-500 uppercase tracking-tighter line-clamp-2 leading-tight">
+                                        {badge.description}
+                                    </p>
+                                    <div className="absolute inset-0 border-2 border-blue-500/50 rounded-2xl opacity-0 group-hover:opacity-100 transition-opacity pointer-events-none shadow-[0_0_20px_rgba(59,130,246,0.3)]"></div>
+                                </div>
+                            ))}
+                        </div>
+
+                        {profile.badges.length === 0 && (
+                            <div className="text-center py-20 border-2 border-dashed border-white/5 rounded-3xl">
+                                <p className="text-gray-600">This student hasn't collected any badges yet.</p>
+                            </div>
+                        )}
+                    </section>
+                </div>
+            </div>
+        </div>
+    );
+}

web/experience/src/components/AppHeader.tsx

@@ -51,6 +51,11 @@ export default function AppHeader() {
                     <Link href="/bookmarks" className="text-[10px] font-black uppercase tracking-[0.2em] text-gray-400 hover:text-white transition-colors">
                         {t('nav.bookmarks')}
                     </Link>
+                    {user && (
+                        <Link href={`/profile/${user.id}`} className="text-[10px] font-black uppercase tracking-[0.2em] text-blue-400 hover:text-blue-300 transition-colors">
+                            MI PORTAFOLIO
+                        </Link>
+                    )}
                 </nav>
 
                 <div className="flex items-center gap-2 md:gap-4">
@@ -127,6 +132,15 @@ export default function AppHeader() {
                             >
                                 {t('nav.bookmarks')}
                             </Link>
+                            {user && (
+                                <Link
+                                    href={`/profile/${user.id}`}
+                                    onClick={() => setIsMenuOpen(false)}
+                                    className="text-sm font-black uppercase tracking-widest text-blue-400 hover:text-blue-300 border-l-2 border-transparent hover:border-blue-500 pl-4 transition-all"
+                                >
+                                    MI PORTAFOLIO
+                                </Link>
+                            )}
 
                             <div className="pt-6 mt-6 border-t border-white/5 space-y-4">
                                 <div className="flex items-center gap-3 px-4 py-2 rounded-xl bg-white/5">

web/experience/src/lib/api.ts

@@ -232,6 +232,39 @@ export interface ProgressStats {
     estimated_completion_date?: string;
 }
 
+export interface Meeting {
+    id: string;
+    course_id: string;
+    title: string;
+    description?: string;
+    provider: string;
+    meeting_id: string;
+    start_at: string;
+    duration_minutes: number;
+    join_url?: string;
+    is_active: boolean;
+}
+
+export interface Badge {
+    id: string;
+    name: string;
+    description: string;
+    icon_url: string;
+    criteria: any;
+    created_at: string;
+}
+
+export interface PublicProfile {
+    user_id: string;
+    full_name: string;
+    avatar_url?: string;
+    bio?: string;
+    level: number;
+    xp: number;
+    badges: Badge[];
+    completed_courses_count: number;
+}
+
 export interface AuthResponse {
     user: User;
     token: string;
@@ -706,5 +739,18 @@ export const lmsApi = {
     async getBookmarks(courseId?: string): Promise<UserBookmark[]> {
         const query = courseId ? `?cohort_id=${courseId}` : '';
         return apiFetch(`/bookmarks${query}`);
+    },
+
+    // Live Learning & Portfolio
+    async getMeetings(courseId: string): Promise<Meeting[]> {
+        return apiFetch(`/courses/${courseId}/meetings`, {}, false);
+    },
+
+    async getPublicProfile(userId: string): Promise<PublicProfile> {
+        return apiFetch(`/profile/${userId}`, {}, false);
+    },
+
+    async getMyBadges(): Promise<Badge[]> {
+        return apiFetch(`/my/badges`, {}, false);
     }
 };

web/studio/src/app/courses/[id]/analytics/page.tsx

@@ -12,9 +12,13 @@ import {
     ArrowLeft,
     CheckCircle2,
     BookOpen,
-    Layers
+    Layers,
+    ShieldAlert
 } from "lucide-react";
 import CourseEditorLayout from "@/components/CourseEditorLayout";
+import DropoutRiskDashboard from "@/components/Analytics/DropoutRiskDashboard";
+import LiveSessions from "@/components/Courses/LiveSessions";
+import { Video } from "lucide-react";
 
 export default function AnalyticsPage() {
     const { id } = useParams() as { id: string };
@@ -26,6 +30,7 @@ export default function AnalyticsPage() {
     const [authError, setAuthError] = useState<string | null>(null);
     const [cohorts, setCohorts] = useState<Cohort[]>([]);
     const [selectedCohortId, setSelectedCohortId] = useState<string>("");
+    const [activeAnalyticsTab, setActiveAnalyticsTab] = useState<"overview" | "risks" | "live">("overview");
 
     useEffect(() => {
         const fetchData = async () => {
@@ -129,114 +134,142 @@ export default function AnalyticsPage() {
                 </div>
 
                 <CourseEditorLayout activeTab="analytics">
-                    <div className="p-8 space-y-12">
-                        {/* Stats Grid */}
-                        <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
-                            <div className="bg-white/5 border border-white/10 rounded-3xl p-8 group hover:bg-white/[0.07] transition-all">
-                                <div className="flex items-center gap-4 mb-4">
-                                    <div className="w-12 h-12 rounded-2xl bg-blue-500/10 flex items-center justify-center text-blue-400">
-                                        <Users size={24} />
-                                    </div>
-                                    <span className="text-sm font-bold text-gray-400 uppercase tracking-widest">Enrollments</span>
-                                </div>
-                                <div className="text-4xl font-black">{analytics.total_enrollments}</div>
-                                <div className="text-xs text-green-400 font-bold mt-2">Active Learners</div>
-                            </div>
-
-                            <div className="bg-white/5 border border-white/10 rounded-3xl p-8 group hover:bg-white/[0.07] transition-all">
-                                <div className="flex items-center gap-4 mb-4">
-                                    <div className="w-12 h-12 rounded-2xl bg-purple-500/10 flex items-center justify-center text-purple-400">
-                                        <TrendingUp size={24} />
-                                    </div>
-                                    <span className="text-sm font-bold text-gray-400 uppercase tracking-widest">Average Score</span>
-                                </div>
-                                <div className="text-4xl font-black">{Math.round(analytics.average_score * 100)}%</div>
-                                <div className="text-xs text-gray-500 font-bold mt-2">Across all assessments</div>
-                            </div>
-
-                            <div className="bg-white/5 border border-white/10 rounded-3xl p-8 group hover:bg-white/[0.07] transition-all">
-                                <div className="flex items-center gap-4 mb-4">
-                                    <div className="w-12 h-12 rounded-2xl bg-orange-500/10 flex items-center justify-center text-orange-400">
-                                        <AlertTriangle size={24} />
-                                    </div>
-                                    <span className="text-sm font-bold text-gray-400 uppercase tracking-widest">Attention Needed</span>
-                                </div>
-                                <div className="text-4xl font-black">{difficultLessons.length}</div>
-                                <div className="text-xs text-orange-400 font-bold mt-2">Struggling Lessons</div>
-                            </div>
+                    <div className="p-8">
+                        {/* Tab Selector */}
+                        <div className="flex items-center gap-1 mb-10 p-1 bg-white/5 rounded-2xl w-fit">
+                            <button
+                                onClick={() => setActiveAnalyticsTab("overview")}
+                                className={`px-6 py-2.5 rounded-xl text-sm font-bold transition-all flex items-center gap-2 ${activeAnalyticsTab === "overview" ? 'bg-blue-600 text-white shadow-lg shadow-blue-500/20' : 'text-gray-400 hover:text-white hover:bg-white/5'}`}
+                            >
+                                <BarChart3 size={16} /> Overview
+                            </button>
+                            <button
+                                onClick={() => setActiveAnalyticsTab("risks")}
+                                className={`px-6 py-2.5 rounded-xl text-sm font-bold transition-all flex items-center gap-2 ${activeAnalyticsTab === "risks" ? 'bg-red-600 text-white shadow-lg shadow-red-500/20' : 'text-gray-400 hover:text-white hover:bg-white/5'}`}
+                            >
+                                <ShieldAlert size={16} /> Predictive Risks
+                            </button>
+                            <button
+                                onClick={() => setActiveAnalyticsTab("live")}
+                                className={`px-6 py-2.5 rounded-xl text-sm font-bold transition-all flex items-center gap-2 ${activeAnalyticsTab === "live" ? 'bg-blue-600 text-white shadow-lg shadow-blue-500/20' : 'text-gray-400 hover:text-white hover:bg-white/5'}`}
+                            >
+                                <Video size={16} /> Live Sessions
+                            </button>
                         </div>
 
-                        <div className="grid grid-cols-1 lg:grid-cols-2 gap-12">
-                            {/* Lesson Breakdown */}
-                            <section>
-                                <h2 className="text-2xl font-black mb-6 flex items-center gap-3">
-                                    <BarChart3 className="text-blue-500" />
-                                    Lesson Performance
-                                </h2>
-                                <div className="space-y-4">
-                                    {analytics.lessons.map((lesson) => (
-                                        <div key={lesson.lesson_id} className="bg-white/5 border border-white/10 rounded-2xl p-6 hover:bg-white/[0.07] transition-all">
-                                            <div className="flex items-start justify-between mb-4">
-                                                <div>
-                                                    <h3 className="font-bold">{lesson.lesson_title}</h3>
-                                                    <p className="text-xs text-gray-500 mt-1">{lesson.submission_count} submissions</p>
-                                                </div>
-                                                <div className={`text-xl font-black ${lesson.average_score < 0.6 ? 'text-red-400' : lesson.average_score < 0.8 ? 'text-orange-400' : 'text-green-400'}`}>
-                                                    {Math.round(lesson.average_score * 100)}%
-                                                </div>
-                                            </div>
-                                            <div className="h-1.5 bg-white/5 rounded-full overflow-hidden">
-                                                <div
-                                                    className={`h-full rounded-full transition-all duration-1000 ${lesson.average_score < 0.6 ? 'bg-red-500' : lesson.average_score < 0.8 ? 'bg-orange-500' : 'bg-green-500'}`}
-                                                    style={{ width: `${lesson.average_score * 100}%` }}
-                                                />
+                        {activeAnalyticsTab === "overview" ? (
+                            <div className="space-y-12 animate-in fade-in slide-in-from-bottom-4 duration-700">
+                                {/* Stats Grid */}
+                                <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
+                                    <div className="bg-white/5 border border-white/10 rounded-3xl p-8 group hover:bg-white/[0.07] transition-all">
+                                        <div className="flex items-center gap-4 mb-4">
+                                            <div className="w-12 h-12 rounded-2xl bg-blue-500/10 flex items-center justify-center text-blue-400">
+                                                <Users size={24} />
                                             </div>
+                                            <span className="text-sm font-bold text-gray-400 uppercase tracking-widest">Enrollments</span>
                                         </div>
-                                    ))}
-                                </div>
-                            </section>
+                                        <div className="text-4xl font-black">{analytics.total_enrollments}</div>
+                                        <div className="text-xs text-green-400 font-bold mt-2">Active Learners</div>
+                                    </div>
 
-                            {/* Actionable Insights */}
-                            <section className="space-y-8">
-                                <div>
-                                    <h2 className="text-2xl font-black mb-6 flex items-center gap-3">
-                                        <AlertTriangle className="text-orange-500" />
-                                        Struggling Lessons
-                                    </h2>
-                                    {difficultLessons.length > 0 ? (
+                                    <div className="bg-white/5 border border-white/10 rounded-3xl p-8 group hover:bg-white/[0.07] transition-all">
+                                        <div className="flex items-center gap-4 mb-4">
+                                            <div className="w-12 h-12 rounded-2xl bg-purple-500/10 flex items-center justify-center text-purple-400">
+                                                <TrendingUp size={24} />
+                                            </div>
+                                            <span className="text-sm font-bold text-gray-400 uppercase tracking-widest">Average Score</span>
+                                        </div>
+                                        <div className="text-4xl font-black">{Math.round(analytics.average_score * 100)}%</div>
+                                        <div className="text-xs text-gray-500 font-bold mt-2">Across all assessments</div>
+                                    </div>
+
+                                    <div className="bg-white/5 border border-white/10 rounded-3xl p-8 group hover:bg-white/[0.07] transition-all">
+                                        <div className="flex items-center gap-4 mb-4">
+                                            <div className="w-12 h-12 rounded-2xl bg-orange-500/10 flex items-center justify-center text-orange-400">
+                                                <AlertTriangle size={24} />
+                                            </div>
+                                            <span className="text-sm font-bold text-gray-400 uppercase tracking-widest">Attention Needed</span>
+                                        </div>
+                                        <div className="text-4xl font-black">{difficultLessons.length}</div>
+                                        <div className="text-xs text-orange-400 font-bold mt-2">Struggling Lessons</div>
+                                    </div>
+                                </div>
+
+                                <div className="grid grid-cols-1 lg:grid-cols-2 gap-12">
+                                    {/* Lesson Breakdown */}
+                                    <section>
+                                        <h2 className="text-2xl font-black mb-6 flex items-center gap-3">
+                                            <BarChart3 className="text-blue-500" />
+                                            Lesson Performance
+                                        </h2>
                                         <div className="space-y-4">
-                                            {difficultLessons.map(l => (
-                                                <div key={l.lesson_id} className="bg-red-500/10 border border-red-500/20 rounded-2xl p-6 flex items-center justify-between">
-                                                    <div>
-                                                        <h4 className="font-bold text-red-400">{l.lesson_title}</h4>
-                                                        <p className="text-xs text-red-300/60 mt-1 text-balance max-w-xs">
-                                                            Average score is below 70%. Consider reviewing the material or difficulty of questions.
-                                                        </p>
+                                            {analytics.lessons.map((lesson) => (
+                                                <div key={lesson.lesson_id} className="bg-white/5 border border-white/10 rounded-2xl p-6 hover:bg-white/[0.07] transition-all">
+                                                    <div className="flex items-start justify-between mb-4">
+                                                        <div>
+                                                            <h3 className="font-bold">{lesson.lesson_title}</h3>
+                                                            <p className="text-xs text-gray-500 mt-1">{lesson.submission_count} submissions</p>
+                                                        </div>
+                                                        <div className={`text-xl font-black ${lesson.average_score < 0.6 ? 'text-red-400' : lesson.average_score < 0.8 ? 'text-orange-400' : 'text-green-400'}`}>
+                                                            {Math.round(lesson.average_score * 100)}%
+                                                        </div>
+                                                    </div>
+                                                    <div className="h-1.5 bg-white/5 rounded-full overflow-hidden">
+                                                        <div
+                                                            className={`h-full rounded-full transition-all duration-1000 ${lesson.average_score < 0.6 ? 'bg-red-500' : lesson.average_score < 0.8 ? 'bg-orange-500' : 'bg-green-500'}`}
+                                                            style={{ width: `${lesson.average_score * 100}%` }}
+                                                        />
                                                     </div>
-                                                    <div className="text-2xl font-black text-red-500">{Math.round(l.average_score * 100)}%</div>
                                                 </div>
                                             ))}
                                         </div>
-                                    ) : (
-                                        <div className="bg-green-500/10 border border-green-500/20 rounded-2xl p-8 text-center">
-                                            <CheckCircle2 size={40} className="text-green-500 mx-auto mb-4" />
-                                            <h4 className="font-bold text-green-400">All set!</h4>
-                                            <p className="text-sm text-green-300/60 mt-2">No lessons currently fall below the difficulty threshold.</p>
-                                        </div>
-                                    )}
-                                </div>
+                                    </section>
 
-                                <div className="bg-blue-600/10 border border-blue-500/20 rounded-3xl p-8">
-                                    <h3 className="text-lg font-bold mb-4 flex items-center gap-2">
-                                        <BookOpen className="text-blue-400" />
-                                        Content Strategy Tip
-                                    </h3>
-                                    <p className="text-sm text-blue-200/70 leading-relaxed">
-                                        High submission counts with low average scores often indicate that the assessment might be misleading or the prerequisites aren&apos;t clearly explained in previous lessons.
-                                    </p>
+                                    {/* Actionable Insights */}
+                                    <section className="space-y-8">
+                                        <div>
+                                            <h2 className="text-2xl font-black mb-6 flex items-center gap-3">
+                                                <AlertTriangle className="text-orange-500" />
+                                                Struggling Lessons
+                                            </h2>
+                                            {difficultLessons.length > 0 ? (
+                                                <div className="space-y-4">
+                                                    {difficultLessons.map(l => (
+                                                        <div key={l.lesson_id} className="bg-red-500/10 border border-red-500/20 rounded-2xl p-6 flex items-center justify-between">
+                                                            <div>
+                                                                <h4 className="font-bold text-red-400">{l.lesson_title}</h4>
+                                                                <p className="text-xs text-red-300/60 mt-1 text-balance max-w-xs">
+                                                                    Average score is below 70%. Consider reviewing the material or difficulty of questions.
+                                                                </p>
+                                                            </div>
+                                                            <div className="text-2xl font-black text-red-500">{Math.round(l.average_score * 100)}%</div>
+                                                        </div>
+                                                    ))}
+                                                </div>
+                                            ) : (
+                                                <div className="bg-green-500/10 border border-green-500/20 rounded-2xl p-8 text-center">
+                                                    <CheckCircle2 size={40} className="text-green-500 mx-auto mb-4" />
+                                                    <h4 className="font-bold text-green-400">All set!</h4>
+                                                    <p className="text-sm text-green-300/60 mt-2">No lessons currently fall below the difficulty threshold.</p>
+                                                </div>
+                                            )}
+                                        </div>
+
+                                        <div className="bg-blue-600/10 border border-blue-500/20 rounded-3xl p-8">
+                                            <h3 className="text-lg font-bold mb-4 flex items-center gap-2">
+                                                <BookOpen className="text-blue-400" />
+                                                Content Strategy Tip
+                                            </h3>
+                                            <p className="text-sm text-blue-200/70 leading-relaxed">
+                                                High submission counts with low average scores often indicate that the assessment might be misleading or the prerequisites aren&apos;t clearly explained in previous lessons.
+                                            </p>
+                                        </div>
+                                    </section>
                                 </div>
-                            </section>
-                        </div>
+                            </div>
+                        ) : (
+                            <DropoutRiskDashboard courseId={id} />
+                        )}
                     </div>
                 </CourseEditorLayout>
             </div>

web/studio/src/app/lti/deep-linking/page.tsx

@@ -0,0 +1,209 @@
+"use client";
+
+import { useEffect, useState, Suspense } from "react";
+import { useSearchParams, useRouter } from "next/navigation";
+import { cmsApi, lmsApi, Course, Module, Lesson, LtiDeepLinkingContentItem } from "@/lib/api";
+import { Book, ChevronRight, Check, Search, ExternalLink } from "lucide-react";
+
+function DeepLinkingPickerContent() {
+    const searchParams = useSearchParams();
+    const router = useRouter();
+    const [courses, setCourses] = useState<Course[]>([]);
+    const [loading, setLoading] = useState(true);
+    const [selectedCourse, setSelectedCourse] = useState<Course | null>(null);
+    const [selectedContent, setSelectedContent] = useState<{ type: 'course' | 'module' | 'lesson', id: string, title: string } | null>(null);
+    const [searchTerm, setSearchTerm] = useState("");
+    const [submitting, setSubmitting] = useState(false);
+
+    const token = searchParams.get("token");
+    const dlToken = searchParams.get("dl_token");
+
+    useEffect(() => {
+        if (token) {
+            localStorage.setItem("studio_token", token);
+        }
+        loadCourses();
+    }, [token]);
+
+    const loadCourses = async () => {
+        try {
+            const data = await cmsApi.getCourses();
+            setCourses(data);
+        } catch (err) {
+            console.error("Failed to load courses", err);
+        } finally {
+            setLoading(false);
+        }
+    };
+
+    const handleSelectCourse = async (course: Course) => {
+        setSelectedCourse(course);
+        setSelectedContent({ type: 'course', id: course.id, title: course.title });
+        // Fetch full outline to show modules/lessons
+        try {
+            const full = await cmsApi.getCourseWithFullOutline(course.id);
+            setSelectedCourse(full);
+        } catch (err) {
+            console.error("Failed to load course outline", err);
+        }
+    };
+
+    const handleConfirm = async () => {
+        if (!selectedContent || !dlToken) return;
+        setSubmitting(true);
+
+        try {
+            // Transform selected content into LTI items
+            const item: LtiDeepLinkingContentItem = {
+                type: 'ltiResourceLink',
+                title: selectedContent.title,
+                url: `${window.location.origin.replace('3001', '3003')}/courses/${selectedCourse?.id}${selectedContent.type === 'lesson' ? `/lessons/${selectedContent.id}` : ''}`,
+            };
+
+            const response = await lmsApi.getDeepLinkingResponse({
+                dl_token: dlToken,
+                items: [item]
+            });
+
+            // Create a form and auto-post it to the return_url
+            const form = document.createElement('form');
+            form.method = 'POST';
+            form.action = response.return_url;
+
+            const jwtInput = document.createElement('input');
+            jwtInput.type = 'hidden';
+            jwtInput.name = 'JWT';
+            jwtInput.value = response.jwt;
+            form.appendChild(jwtInput);
+
+            document.body.appendChild(form);
+            form.submit();
+        } catch (err) {
+            console.error("Failed to generate DL response", err);
+            setSubmitting(false);
+        }
+    };
+
+    const filteredCourses = courses.filter(c => c.title.toLowerCase().includes(searchTerm.toLowerCase()));
+
+    return (
+        <div className="max-w-4xl mx-auto p-8 h-full flex flex-col">
+            <div className="mb-8">
+                <h1 className="text-3xl font-black text-white tracking-tighter mb-2">PICK CONTENT TO EMBED</h1>
+                <p className="text-gray-400">Select the course or specific lesson you want to link in your platform.</p>
+            </div>
+
+            <div className="grid grid-cols-1 md:grid-cols-2 gap-8 flex-1 min-h-0">
+                {/* Right Column: Content Hierarchy */}
+                <div className="glass rounded-3xl border border-white/5 p-6 flex flex-col overflow-hidden">
+                    <div className="relative mb-4">
+                        <Search className="absolute left-4 top-1/2 -translate-y-1/2 text-gray-500" size={18} />
+                        <input
+                            type="text"
+                            placeholder="Search courses..."
+                            className="w-full bg-white/5 border border-white/10 rounded-2xl py-3 pl-12 pr-4 text-white focus:outline-none focus:border-blue-500/50 transition-colors"
+                            value={searchTerm}
+                            onChange={(e) => setSearchTerm(e.target.value)}
+                        />
+                    </div>
+
+                    <div className="flex-1 overflow-y-auto pr-2 space-y-2">
+                        {loading ? (
+                            Array.from({ length: 5 }).map((_, i) => (
+                                <div key={i} className="h-16 bg-white/5 rounded-2xl animate-pulse" />
+                            ))
+                        ) : filteredCourses.length > 0 ? (
+                            filteredCourses.map(course => (
+                                <button
+                                    key={course.id}
+                                    onClick={() => handleSelectCourse(course)}
+                                    className={`w-full text-left p-4 rounded-2xl transition-all flex items-center gap-4 group ${selectedCourse?.id === course.id ? 'bg-blue-600/20 border-blue-500/50' : 'hover:bg-white/5 border border-transparent'}`}
+                                >
+                                    <div className={`w-10 h-10 rounded-xl flex items-center justify-center transition-colors ${selectedCourse?.id === course.id ? 'bg-blue-600 text-white' : 'bg-white/10 text-gray-400 group-hover:bg-white/20'}`}>
+                                        <Book size={20} />
+                                    </div>
+                                    <div className="flex-1">
+                                        <div className="font-bold text-white leading-tight">{course.title}</div>
+                                        <div className="text-sm text-gray-500">{course.pacing_mode}</div>
+                                    </div>
+                                    <ChevronRight size={18} className={`transition-transform ${selectedCourse?.id === course.id ? 'rotate-90 text-blue-400' : 'text-gray-600'}`} />
+                                </button>
+                            ))
+                        ) : (
+                            <div className="text-center py-12 text-gray-500 italic">No courses found</div>
+                        )}
+                    </div>
+                </div>
+
+                {/* Right Column: Outline Picker */}
+                <div className="glass rounded-3xl border border-white/5 p-6 flex flex-col overflow-hidden">
+                    {selectedCourse ? (
+                        <div className="flex flex-col h-full">
+                            <h2 className="font-black text-xl text-white tracking-tight mb-4 flex items-center gap-2">
+                                <Book size={18} className="text-blue-400" />
+                                {selectedCourse.title}
+                            </h2>
+
+                            <div className="flex-1 overflow-y-auto pr-2 space-y-4">
+                                <button
+                                    onClick={() => setSelectedContent({ type: 'course', id: selectedCourse.id, title: selectedCourse.title })}
+                                    className={`w-full text-left p-4 rounded-2xl border transition-all flex items-center justify-between ${selectedContent?.type === 'course' ? 'bg-blue-600/20 border-blue-500/50' : 'bg-white/5 border-transparent hover:border-white/10'}`}
+                                >
+                                    <span className="font-bold text-white">Full Course Link</span>
+                                    {selectedContent?.type === 'course' && <Check size={18} className="text-blue-400" />}
+                                </button>
+
+                                {selectedCourse.modules?.map(module => (
+                                    <div key={module.id} className="space-y-2">
+                                        <div className="text-xs font-black text-gray-500 tracking-widest uppercase px-2">{module.title}</div>
+                                        {module.lessons.map(lesson => (
+                                            <button
+                                                key={lesson.id}
+                                                onClick={() => setSelectedContent({ type: 'lesson', id: lesson.id, title: lesson.title })}
+                                                className={`w-full text-left p-3 pl-4 rounded-xl border transition-all flex items-center justify-between ${selectedContent?.id === lesson.id ? 'bg-blue-600/20 border-blue-500/50' : 'bg-white/5 border-transparent hover:border-white/10'}`}
+                                            >
+                                                <span className="text-gray-300 text-sm">{lesson.title}</span>
+                                                {selectedContent?.id === lesson.id && <Check size={16} className="text-blue-400" />}
+                                            </button>
+                                        ))}
+                                    </div>
+                                ))}
+                            </div>
+
+                            <button
+                                onClick={handleConfirm}
+                                disabled={!selectedContent || submitting}
+                                className="mt-6 w-full bg-blue-600 hover:bg-blue-500 disabled:opacity-50 disabled:cursor-not-allowed text-white font-black py-4 rounded-2xl flex items-center justify-center gap-2 shadow-xl shadow-blue-500/20 transition-all border-b-4 border-blue-800 active:border-b-0 active:translate-y-1"
+                            >
+                                {submitting ? (
+                                    <div className="w-5 h-5 border-2 border-white/30 border-t-white rounded-full animate-spin" />
+                                ) : (
+                                    <>
+                                        EMBED THIS CONTENT
+                                        <ExternalLink size={18} />
+                                    </>
+                                )}
+                            </button>
+                        </div>
+                    ) : (
+                        <div className="h-full flex flex-col items-center justify-center text-center p-8">
+                            <div className="w-16 h-16 rounded-2xl bg-white/5 flex items-center justify-center text-gray-500 mb-4">
+                                <Book size={32} />
+                            </div>
+                            <div className="text-white font-bold mb-2">No Course Selected</div>
+                            <p className="text-gray-500 text-sm">Select a course from the left to browse modules and lessons.</p>
+                        </div>
+                    )}
+                </div>
+            </div>
+        </div>
+    );
+}
+
+export default function DeepLinkingPicker() {
+    return (
+        <Suspense fallback={<div className="min-h-screen bg-gray-950 flex items-center justify-center"><div className="w-8 h-8 border-4 border-blue-600 border-t-transparent rounded-full animate-spin" /></div>}>
+            <DeepLinkingPickerContent />
+        </Suspense>
+    );
+}

web/studio/src/components/Analytics/DropoutRiskDashboard.tsx

@@ -0,0 +1,138 @@
+"use client";
+
+import React, { useState, useEffect } from "react";
+import { lmsApi, DropoutRisk } from "@/lib/api";
+import {
+    AlertCircle,
+    User,
+    Mail,
+    Calendar,
+    Activity,
+    Send,
+    ChevronRight,
+    Search
+} from "lucide-react";
+
+interface DropoutRiskDashboardProps {
+    courseId: string;
+}
+
+export default function DropoutRiskDashboard({ courseId }: DropoutRiskDashboardProps) {
+    const [risks, setRisks] = useState<DropoutRisk[]>([]);
+    const [loading, setLoading] = useState(true);
+    const [searchTerm, setSearchTerm] = useState("");
+
+    useEffect(() => {
+        const fetchRisks = async () => {
+            try {
+                const data = await lmsApi.getDropoutRisks(courseId);
+                setRisks(data);
+            } catch (err) {
+                console.error("Failed to fetch dropout risks", err);
+            } finally {
+                setLoading(false);
+            }
+        };
+        fetchRisks();
+    }, [courseId]);
+
+    const filteredRisks = risks.filter(r =>
+        (r.user_full_name || "").toLowerCase().includes(searchTerm.toLowerCase()) ||
+        (r.user_email || "").toLowerCase().includes(searchTerm.toLowerCase())
+    );
+
+    if (loading) return <div className="p-8 text-center text-gray-500">Calculating risk scores...</div>;
+
+    const getRiskColor = (level: string) => {
+        switch (level) {
+            case 'critical': return 'text-red-500 bg-red-500/10 border-red-500/20';
+            case 'high': return 'text-orange-500 bg-orange-500/10 border-orange-500/20';
+            case 'medium': return 'text-yellow-500 bg-yellow-500/10 border-yellow-500/20';
+            default: return 'text-green-500 bg-green-500/10 border-green-500/20';
+        }
+    };
+
+    return (
+        <div className="space-y-8 animate-in fade-in slide-in-from-bottom-4 duration-700">
+            <div className="flex flex-col md:flex-row md:items-center justify-between gap-4">
+                <div>
+                    <h2 className="text-2xl font-black flex items-center gap-3">
+                        <AlertCircle className="text-red-500" />
+                        Dropout Risk Analysis
+                    </h2>
+                    <p className="text-sm text-gray-400 mt-1">AI-powered detection based on grades, activity, and engagement.</p>
+                </div>
+                <div className="relative">
+                    <Search className="absolute left-3 top-1/2 -translate-y-1/2 text-gray-500 w-4 h-4" />
+                    <input
+                        type="text"
+                        placeholder="Search student..."
+                        value={searchTerm}
+                        onChange={(e) => setSearchTerm(e.target.value)}
+                        className="bg-white/5 border border-white/10 rounded-xl pl-10 pr-4 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-blue-500/50 w-full md:w-64"
+                    />
+                </div>
+            </div>
+
+            {filteredRisks.length > 0 ? (
+                <div className="grid grid-cols-1 gap-4">
+                    {filteredRisks.map((risk) => (
+                        <div key={risk.id} className="bg-white/5 border border-white/10 rounded-2xl p-6 hover:bg-white/[0.07] transition-all group">
+                            <div className="flex flex-col md:flex-row md:items-center justify-between gap-6">
+                                <div className="flex items-center gap-4">
+                                    <div className="w-12 h-12 rounded-full bg-blue-500/10 flex items-center justify-center text-blue-400 text-xl font-bold">
+                                        {risk.user_full_name?.[0] || <User />}
+                                    </div>
+                                    <div>
+                                        <h3 className="font-bold text-lg">{risk.user_full_name || "Unknown Student"}</h3>
+                                        <div className="flex items-center gap-3 text-xs text-gray-500 mt-1">
+                                            <span className="flex items-center gap-1"><Mail size={12} /> {risk.user_email || "N/A"}</span>
+                                            <span className="flex items-center gap-1"><Calendar size={12} /> Last active: {new Date(risk.last_calculated_at).toLocaleDateString()}</span>
+                                        </div>
+                                    </div>
+                                </div>
+
+                                <div className="flex flex-wrap items-center gap-4">
+                                    <div className={`px-4 py-2 rounded-xl border text-xs font-black uppercase tracking-widest ${getRiskColor(risk.risk_level)}`}>
+                                        {risk.risk_level} Risk
+                                    </div>
+
+                                    <div className="flex flex-col items-end min-w-[100px]">
+                                        <div className="text-sm font-bold text-gray-400">Score: {Math.round(risk.score * 100)}%</div>
+                                        <div className="w-24 h-1 bg-white/5 rounded-full mt-1 overflow-hidden">
+                                            <div
+                                                className={`h-full transition-all duration-1000 ${risk.score > 0.8 ? 'bg-red-500' : risk.score > 0.5 ? 'bg-orange-500' : 'bg-green-500'}`}
+                                                style={{ width: `${risk.score * 100}%` }}
+                                            />
+                                        </div>
+                                    </div>
+
+                                    <button className="p-3 bg-blue-600/10 text-blue-400 rounded-xl hover:bg-blue-600 hover:text-white transition-all">
+                                        <Send size={18} />
+                                    </button>
+                                </div>
+                            </div>
+
+                            {risk.reasons && risk.reasons.length > 0 && (
+                                <div className="mt-6 pt-6 border-t border-white/5 flex flex-wrap gap-3">
+                                    {risk.reasons.map((reason, _idx) => (
+                                        <div key={_idx} className="bg-white/5 rounded-lg px-3 py-1.5 text-[10px] font-bold text-gray-400 flex items-center gap-2">
+                                            <Activity size={10} className="text-blue-500" />
+                                            {reason.description}
+                                        </div>
+                                    ))}
+                                </div>
+                            )}
+                        </div>
+                    ))}
+                </div>
+            ) : (
+                <div className="bg-white/5 border border-white/10 rounded-3xl p-20 text-center">
+                    <User size={48} className="text-gray-600 mx-auto mb-4" />
+                    <h3 className="text-xl font-bold text-gray-400">No students at risk</h3>
+                    <p className="text-sm text-gray-500 mt-2">Everyone seems to be doing great in this course!</p>
+                </div>
+            )}
+        </div>
+    );
+}

web/studio/src/components/Courses/LiveSessions.tsx

@@ -0,0 +1,176 @@
+"use client";
+
+import React, { useState, useEffect } from "react";
+import { lmsApi, Meeting } from "@/lib/api";
+import {
+    Video,
+    Plus,
+    Calendar,
+    Clock,
+    Trash2,
+    ExternalLink,
+    AlertCircle
+} from "lucide-react";
+
+interface LiveSessionsProps {
+    courseId: string;
+}
+
+export default function LiveSessions({ courseId }: LiveSessionsProps) {
+    const [meetings, setMeetings] = useState<Meeting[]>([]);
+    const [loading, setLoading] = useState(true);
+    const [showForm, setShowForm] = useState(false);
+    const [formData, setFormData] = useState({
+        title: "",
+        description: "",
+        start_at: "",
+        duration_minutes: 60
+    });
+
+    useEffect(() => {
+        loadMeetings();
+    }, [courseId]);
+
+    const loadMeetings = async () => {
+        try {
+            const data = await lmsApi.getMeetings(courseId);
+            setMeetings(data);
+        } catch (err) {
+            console.error(err);
+        } finally {
+            setLoading(false);
+        }
+    };
+
+    const handleCreate = async (e: React.FormEvent) => {
+        e.preventDefault();
+        try {
+            await lmsApi.createMeeting(courseId, {
+                ...formData,
+                start_at: new Date(formData.start_at).toISOString()
+            } as any);
+            setShowForm(false);
+            loadMeetings();
+        } catch (err) {
+            alert("Failed to create meeting");
+        }
+    };
+
+    const handleDelete = async (id: string) => {
+        if (!confirm("Delete this meeting?")) return;
+        try {
+            await lmsApi.deleteMeeting(courseId, id);
+            loadMeetings();
+        } catch (err) {
+            alert("Failed to delete");
+        }
+    };
+
+    if (loading) return <div className="p-8 text-center text-gray-500">Loading sessions...</div>;
+
+    return (
+        <div className="space-y-6">
+            <div className="flex justify-between items-center">
+                <div>
+                    <h2 className="text-xl font-bold flex items-center gap-2">
+                        <Video className="text-blue-500" />
+                        Virtual Classrooms
+                    </h2>
+                    <p className="text-sm text-gray-500">Schedule and manage your live Jitsi sessions.</p>
+                </div>
+                <button
+                    onClick={() => setShowForm(true)}
+                    className="flex items-center gap-2 bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-xl transition-all"
+                >
+                    <Plus size={18} /> Schedule Session
+                </button>
+            </div>
+
+            {showForm && (
+                <div className="bg-white/5 border border-white/10 rounded-2xl p-6 animate-in slide-in-from-top-4">
+                    <form onSubmit={handleCreate} className="space-y-4">
+                        <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+                            <div className="space-y-1">
+                                <label className="text-xs font-bold text-gray-400">SESSION TITLE</label>
+                                <input
+                                    required
+                                    className="w-full bg-black/20 border border-white/10 rounded-lg px-4 py-2 focus:border-blue-500 outline-none"
+                                    placeholder="Weekly Sync Up"
+                                    value={formData.title}
+                                    onChange={e => setFormData({ ...formData, title: e.target.value })}
+                                />
+                            </div>
+                            <div className="space-y-1">
+                                <label className="text-xs font-bold text-gray-400">START DATE & TIME</label>
+                                <input
+                                    required
+                                    type="datetime-local"
+                                    className="w-full bg-black/20 border border-white/10 rounded-lg px-4 py-2 focus:border-blue-500 outline-none"
+                                    value={formData.start_at}
+                                    onChange={e => setFormData({ ...formData, start_at: e.target.value })}
+                                />
+                            </div>
+                        </div>
+                        <div className="space-y-1">
+                            <label className="text-xs font-bold text-gray-400">DESCRIPTION (OPTIONAL)</label>
+                            <textarea
+                                className="w-full bg-black/20 border border-white/10 rounded-lg px-4 py-2 focus:border-blue-500 outline-none h-20"
+                                value={formData.description}
+                                onChange={e => setFormData({ ...formData, description: e.target.value })}
+                            />
+                        </div>
+                        <div className="flex justify-end gap-3">
+                            <button type="button" onClick={() => setShowForm(false)} className="px-4 py-2 text-gray-400 hover:text-white">Cancel</button>
+                            <button className="bg-blue-600 px-6 py-2 rounded-lg font-bold">Create Meeting</button>
+                        </div>
+                    </form>
+                </div>
+            )}
+
+            <div className="grid grid-cols-1 gap-4">
+                {meetings.map(m => (
+                    <div key={m.id} className="bg-white/5 border border-white/10 rounded-2xl p-5 hover:bg-white/[0.08] transition-all group">
+                        <div className="flex flex-col md:flex-row md:items-center justify-between gap-4">
+                            <div className="flex items-start gap-4">
+                                <div className="w-12 h-12 rounded-xl bg-blue-500/10 flex items-center justify-center text-blue-400">
+                                    <Video size={24} />
+                                </div>
+                                <div>
+                                    <h3 className="font-bold text-lg">{m.title}</h3>
+                                    <div className="flex flex-wrap items-center gap-4 text-xs text-gray-400 mt-1">
+                                        <span className="flex items-center gap-1"><Calendar size={14} /> {new Date(m.start_at).toLocaleString()}</span>
+                                        <span className="flex items-center gap-1"><Clock size={14} /> {m.duration_minutes} min</span>
+                                        <span className="capitalize px-2 py-0.5 bg-white/5 rounded-full border border-white/10">{m.provider}</span>
+                                    </div>
+                                </div>
+                            </div>
+                            <div className="flex items-center gap-2">
+                                <a
+                                    href={m.join_url}
+                                    target="_blank"
+                                    rel="noreferrer"
+                                    className="flex items-center gap-2 bg-white/10 hover:bg-white/20 px-4 py-2 rounded-xl text-sm font-bold transition-all"
+                                >
+                                    Join Room <ExternalLink size={14} />
+                                </a>
+                                <button
+                                    onClick={() => handleDelete(m.id)}
+                                    className="p-2.5 text-red-400 hover:bg-red-500/10 rounded-xl transition-all opacity-0 group-hover:opacity-100"
+                                >
+                                    <Trash2 size={18} />
+                                </button>
+                            </div>
+                        </div>
+                    </div>
+                ))}
+
+                {meetings.length === 0 && !loading && (
+                    <div className="p-12 text-center border-2 border-dashed border-white/5 rounded-3xl">
+                        <AlertCircle className="mx-auto text-gray-600 mb-2" />
+                        <p className="text-gray-500">No sessions scheduled for this course.</p>
+                    </div>
+                )}
+            </div>
+        </div>
+    );
+}

web/studio/src/lib/api.ts

@@ -390,6 +390,19 @@ export interface AdvancedAnalytics {
     retention: RetentionData[];
 }
 
+export interface DropoutRisk {
+    id: string;
+    organization_id: string;
+    course_id: string;
+    user_id: string;
+    risk_level: 'low' | 'medium' | 'high' | 'critical';
+    score: number;
+    reasons?: { metric: string, value: number, description: string }[];
+    last_calculated_at: string;
+    user_full_name?: string; // Optional for UI display
+    user_email?: string;
+}
+
 export interface Webhook {
     id: string;
     organization_id: string;
@@ -818,11 +831,7 @@ export const lmsApi = {
         return apiFetch(`/courses/${id}/grades${query}`, {}, true);
     },
     exportGradesUrl: (courseId: string): string => {
-        const token = getToken();
-        // Since we are downloading via <a> tag, we might need a token in the query if headers are not possible,
-        // but let's assume the user is authenticated in the session or we use a temporary download link logic.
-        // For simplicity with standard anchor tags, we'll suggest using a blob fetch if headers are strictly required.
-        // However, standard API calls use headers.
+        // Since we are downloading via <a> tag...
         return `${LMS_API_BASE_URL}/courses/${courseId}/export-grades`;
     },
     bulkEnroll: (courseId: string, emails: string[]): Promise<BulkEnrollResponse> =>
@@ -846,8 +855,73 @@ export const lmsApi = {
         apiFetch(`/announcements/${announcementId}`, { method: 'PUT', body: JSON.stringify(payload) }, true),
     deleteAnnouncement: (announcementId: string): Promise<void> =>
         apiFetch(`/announcements/${announcementId}`, { method: 'DELETE' }, true),
+    async getDeepLinkingResponse(payload: { dl_token: string, items: LtiDeepLinkingContentItem[] }): Promise<{ jwt: string, return_url: string }> {
+        return apiFetch('/lti/deep-linking/response', { method: 'POST', body: JSON.stringify(payload) }, true);
+    },
+    getDropoutRisks: (courseId: string): Promise<DropoutRisk[]> =>
+        apiFetch(`/courses/${courseId}/dropout-risks`, {}, true),
+
+    // Live Learning
+    getMeetings: (courseId: string): Promise<Meeting[]> =>
+        apiFetch(`/courses/${courseId}/meetings`, {}, true),
+
+    createMeeting: (courseId: string, payload: Partial<Meeting>): Promise<Meeting> =>
+        apiFetch(`/courses/${courseId}/meetings`, { method: 'POST', body: JSON.stringify(payload) }, true),
+
+    deleteMeeting: (courseId: string, meetingId: string): Promise<void> =>
+        apiFetch(`/courses/${courseId}/meetings/${meetingId}`, { method: 'DELETE' }, true),
+
+    // Portfolio & Badges
+    getPublicProfile: (userId: string): Promise<PublicProfile> =>
+        apiFetch(`/profile/${userId}`, {}, true),
+
+    getMyBadges: (): Promise<Badge[]> =>
+        apiFetch(`/my/badges`, {}, true),
 };
 
+export interface Meeting {
+    id: string;
+    course_id: string;
+    title: string;
+    description?: string;
+    provider: string;
+    meeting_id: string;
+    start_at: string;
+    duration_minutes: number;
+    join_url?: string;
+    is_active: boolean;
+}
+
+export interface Badge {
+    id: string;
+    name: string;
+    description: string;
+    icon_url: string;
+    criteria: any;
+    created_at: string;
+}
+
+export interface PublicProfile {
+    user_id: string;
+    full_name: string;
+    avatar_url?: string;
+    bio?: string;
+    badges: Badge[];
+    level: number;
+    xp: number;
+    completed_courses_count: number;
+}
+
+export interface LtiDeepLinkingContentItem {
+    type: 'ltiResourceLink';
+    title?: string;
+    text?: string;
+    url?: string;
+    icon?: { url: string; width?: number; height?: number };
+    thumbnail?: { url: string; width?: number; height?: number };
+    [key: string]: string | number | boolean | object | undefined | null;
+}
+
 export interface BackgroundTask {
     id: string;
     title: string;