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

services/cms-service/migrations/20260115000003_add_transcription_status.sql

@@ -0,0 +1,5 @@
+-- Add transcription_status to lessons table
+ALTER TABLE lessons ADD COLUMN IF NOT EXISTS transcription_status VARCHAR(20) DEFAULT 'idle';
+
+-- Optional: Update existing lessons with transcriptions to 'completed'
+UPDATE lessons SET transcription_status = 'completed' WHERE transcription IS NOT NULL AND transcription != '{}'::jsonb;