implement server mvp: fastapi app, org formatter, sqlite store, tests, dockerfile

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

server/Dockerfile

@@ -0,0 +1,17 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY pyproject.toml .
+RUN pip install --no-cache-dir fastapi "uvicorn[standard]" pydantic
+
+COPY app/ app/
+
+ENV PHONE_CAPTURE_HOST=0.0.0.0
+ENV PHONE_CAPTURE_PORT=8765
+ENV PHONE_CAPTURE_ORG_PATH=/data/synq.org
+ENV PHONE_CAPTURE_DB_PATH=/data/capture.sqlite3
+
+EXPOSE 8765
+
+CMD ["python", "-m", "app.main"]