init monlet repo with stage 0-2 (docs, contract, agent MVP)

server/.env.example

@@ -0,0 +1,6 @@
+MONLET_ENV=local
+MONLET_LOG_LEVEL=info
+MONLET_DATABASE_URL=postgresql+psycopg://monlet:monlet@localhost:5432/monlet
+MONLET_AGENT_TOKEN_BOOTSTRAP=replace-me
+MONLET_MAX_REQUEST_BYTES=1048576
+MONLET_MAX_CHECK_OUTPUT_BYTES=8192

server/README.md

@@ -0,0 +1,28 @@
+# Monlet Server
+
+Placeholder for the Python/FastAPI server.
+
+Planned stack:
+
+- Python 3.14;
+- uv;
+- FastAPI;
+- Pydantic;
+- SQLAlchemy 2.x style;
+- Alembic;
+- PostgreSQL;
+- httpx for outbound notifier calls;
+- structured logging;
+- Prometheus metrics;
+- Docker image.
+
+No server core logic is implemented in Stage 0.
+
+## Planned Commands
+
+```sh
+UV_PROJECT_ENVIRONMENT=.venv UV_CACHE_DIR=../.cache/uv uv sync
+UV_PROJECT_ENVIRONMENT=.venv UV_CACHE_DIR=../.cache/uv uv run fastapi dev monlet_server/main.py
+```
+
+Do not install Python packages globally on the host. Docker builds install server dependencies inside the image; local development uses `server/.venv` and repo-local `.cache/uv`.