HappyRobot backend is running

This step adds call logging on top of the protected SQLite-backed load search. The backend now supports both GET /loads and POST /calls.

Config status

HAPPYROBOT_API_KEY: configured
BACKEND_API_KEY: configured
Seeded loads in SQLite: 10
Logged calls in SQLite: 0

Try these next

/health for a simple JSON response
/config-check for safe config booleans
/loads?origin=dallas&api_key=YOUR_BACKEND_API_KEY for protected load search
POST /calls in /docs to log a conversation