La Piazzetta AI Concierge

Day 1 local harness — streaming chat over NVIDIA NIM.

What works today

Floating widget, bottom-right — click to open
POST /api/chat streaming replies over Server-Sent Events
GET /healthz verifying the database connection
Turns persisted to PostgreSQL (conversations, messages)

Not built yet — deliberately out of Day 1 scope

Conversation memory (each message is answered independently)
Knowledge base / RAG, booking, voice, WhatsApp

Widget language: IT EN DE FR