app/api/__init__.py

"""
Placeholder file for API layer.

This directory will contain FastAPI route definitions for the RAG chatbot backend.
Each version of the API should be in its own subdirectory (e.g., v1, v2).

Future API endpoints may include:
- /chat: For chat interactions
- /health: For health checks
- /docs: For API documentation (auto-generated by FastAPI)
"""