Add Flask web UI, Docker Compose, core engine + tests

- physcom core: CLI, 5-pass pipeline, SQLite repo, 37 tests
- physcom_web: Flask app with HTMX for entity/domain/pipeline/results CRUD
- Docker Compose: web + cli services sharing a named volume for the DB
- Clean up local settings to use wildcard permissions

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

Dockerfile

@@ -0,0 +1,14 @@
+FROM python:3.13-slim AS base
+
+WORKDIR /app
+
+COPY pyproject.toml .
+COPY src/ src/
+
+RUN pip install --no-cache-dir ".[web]"
+
+VOLUME /app/data
+ENV PHYSCOM_DB=/app/data/physcom.db
+
+EXPOSE 5000
+CMD ["python", "-m", "physcom_web"]