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/app.py

@@ -0,0 +1,60 @@
+"""Flask application factory and DB setup."""
+
+from __future__ import annotations
+
+import os
+from pathlib import Path
+
+from flask import Flask, g
+
+from physcom.db.schema import init_db
+from physcom.db.repository import Repository
+
+
+DEFAULT_DB = Path("data/physcom.db")
+
+
+def get_repo() -> Repository:
+    """Return a Repository scoped to the current request."""
+    if "repo" not in g:
+        db_path = Path(os.environ.get("PHYSCOM_DB", str(DEFAULT_DB)))
+        conn = init_db(db_path)
+        g.repo = Repository(conn)
+    return g.repo
+
+
+def close_db(exc: BaseException | None = None) -> None:
+    repo: Repository | None = g.pop("repo", None)
+    if repo is not None:
+        repo.conn.close()
+
+
+def create_app() -> Flask:
+    app = Flask(__name__)
+    app.secret_key = os.environ.get("FLASK_SECRET_KEY", "physcom-dev-key")
+
+    app.teardown_appcontext(close_db)
+
+    # Register blueprints
+    from physcom_web.routes.entities import bp as entities_bp
+    from physcom_web.routes.domains import bp as domains_bp
+    from physcom_web.routes.pipeline import bp as pipeline_bp
+    from physcom_web.routes.results import bp as results_bp
+
+    app.register_blueprint(entities_bp)
+    app.register_blueprint(domains_bp)
+    app.register_blueprint(pipeline_bp)
+    app.register_blueprint(results_bp)
+
+    @app.route("/")
+    def index():
+        from flask import redirect, url_for
+        return redirect(url_for("entities.entity_list"))
+
+    return app
+
+
+def run() -> None:
+    """Entry point for `physcom-web` script."""
+    app = create_app()
+    app.run(debug=True, port=int(os.environ.get("PORT", "5000")))