- Add production manual (docs/MANUAL_PRODUCCION.md) - Fix seed script to work without OpenAI API key (zero-vector fallback) - Fix alembic env to use database_url_str - Fix pyproject.toml hatch build config
- FastAPI + Python 3.12 backend - Meta WhatsApp Business API client (official) - OpenAI GPT-4o with function calling - RAG vector store with pgvector - ERPNext Frappe REST client - Celery + Redis async task queue - PostgreSQL with migrations (Alembic) - Docker Compose full stack - Enterprise logging, metrics, health checks