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>

pyproject.toml

@@ -0,0 +1,49 @@
+[project]
+name = "ptsr-ai-agent"
+version = "0.1.0"
+description = "AI companion for patients with PTSD and depression between doctor visits (MedITron hackathon, synthetic data only)"
+requires-python = ">=3.11,<3.14"
+dependencies = [
+    "fastapi>=0.115",
+    "uvicorn[standard]>=0.30",
+    "sqlalchemy[asyncio]>=2.0",
+    "asyncpg>=0.29",
+    "pydantic>=2.7",
+    "pydantic-settings>=2.3",
+    "pyyaml>=6.0",
+    "aiogram>=3.10",
+    "gigachat>=0.1.33",
+    "apscheduler>=3.10,<4",
+    "httpx>=0.27",
+    "streamlit>=1.38",
+    "plotly>=5.22",
+    "pandas>=2.2",
+    "qrcode[pil]>=7.4",
+]
+
+[dependency-groups]
+dev = [
+    "ruff>=0.6",
+    "pytest>=8.2",
+    "pytest-asyncio>=0.23",
+    "aiosqlite>=0.20",
+]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build.targets.wheel]
+packages = ["app"]
+
+[tool.ruff]
+line-length = 110
+target-version = "py311"
+extend-exclude = [".claude", "docs"]
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "B", "UP", "SIM", "ASYNC"]
+
+[tool.pytest.ini_options]
+asyncio_mode = "auto"
+testpaths = ["tests"]