app/db/__init__.py

"""
Placeholder file for Database layer.

This directory will contain database connection utilities and data access objects
for interacting with Neon Postgres and Qdrant vector store.

Future modules may include:
- neon_db.py: For Postgres database operations
- qdrant_client.py: For vector store operations
- models.py: For ORM models (separate from Pydantic models)
"""