feat: Introduce multi-tenancy support with organization-specific data, add interactive transcript functionality, and enhance lesson/course schemas.

services/lms-service/migrations/20260115000006_add_updated_at_to_users.sql

@@ -0,0 +1,4 @@
+-- Migration: Add updated_at to users table (LMS)
+-- To match common::models::User struct requirements
+
+ALTER TABLE users ADD COLUMN updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW();