chore(devops): project skeleton — uv, docker compose, Makefile, CI

One Postgres with isolated identity/clinical databases and roles (ADR-003),
FastAPI /health, Streamlit placeholder, typed settings with offline defaults.

Refs #1

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

dashboard/app.py

@@ -0,0 +1,18 @@
+"""Doctor dashboard and demo console (Streamlit). Talks to the backend only via the API."""
+
+import os
+
+import httpx
+import streamlit as st
+
+API = os.environ.get("API_BASE_URL", "http://localhost:8000")
+
+st.set_page_config(page_title="PTSRaiAgent — кабинет врача", page_icon="🩺", layout="wide")
+st.title("Кабинет врача")
+st.caption("Прототип на синтетических данных")
+
+try:
+    status = httpx.get(f"{API}/health", timeout=2).json().get("status")
+except httpx.HTTPError:
+    status = "недоступен"
+st.write(f"API: **{status}**")