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>

src/physcom_web/templates/entities/detail.html

@@ -0,0 +1,28 @@
+{% extends "base.html" %}
+{% block title %}{{ entity.name }} — PhysCom{% endblock %}
+
+{% block content %}
+<div class="page-header">
+  <h1>{{ entity.name }}</h1>
+  <div>
+    <a href="{{ url_for('entities.entity_edit', entity_id=entity.id) }}" class="btn">Edit</a>
+    <form method="post" action="{{ url_for('entities.entity_delete', entity_id=entity.id) }}" class="inline-form"
+          onsubmit="return confirm('Delete this entity?')">
+      <button type="submit" class="btn btn-danger">Delete</button>
+    </form>
+  </div>
+</div>
+
+<div class="card">
+  <dl>
+    <dt>Dimension</dt><dd>{{ entity.dimension }}</dd>
+    <dt>Description</dt><dd>{{ entity.description or '—' }}</dd>
+  </dl>
+</div>
+
+<h2>Dependencies</h2>
+
+<div id="dep-section">
+  {% include "entities/_dep_table.html" %}
+</div>
+{% endblock %}