feat: implement upsert logic for fact tables, update CORS settings, and extend estudiante models with enrollment fields

feat: expand data ingestion models to support marketing and survey pipelines and centralize fact insertion logic

refactor: update DimEstudiante schema by removing personal demographics and adding age, occupation, and marital status

feat: implement financial unpivot ingestion endpoint and add new dimension and fact tables to schema

refactor: rename analista_datos role to analista_datos_marketing and remove automatic table creation

feat: implement JWT-based authentication and role-based access control, and add LogAuditoriaNlp table for MLOps feedback tracking

Fix: Pooler Supabase IPv4 (puerto 6543) + credenciales fuera del repo

Fix: Alinear modelos SQLAlchemy con DDL real de Supabase

Fix: Transacciones seguras con db.flush()

Fix: Autogeneración de Dimensiones Maestras para evitar Error 500 por Foreign Keys

Deploy: Conexión de pipeline BETO con esquema estrella de Supabase