feat: Introduce external API endpoints with API key authentication and re-enable Whisper transcription and Ollama summarization.

services/cms-service/migrations/20260121000000_add_api_key_to_orgs.sql

@@ -0,0 +1,3 @@
+-- Add API key column to organizations table for external API authentication
+ALTER TABLE organizations ADD COLUMN IF NOT EXISTS api_key UUID DEFAULT gen_random_uuid();
+CREATE UNIQUE INDEX IF NOT EXISTS idx_organizations_api_key ON organizations(api_key);