chore: import upstream snapshot with attribution

tests/scripts/test_start_web.py

@@ -0,0 +1,29 @@
+from __future__ import annotations
+
+import importlib.util
+from pathlib import Path
+from unittest import mock
+
+
+def _load_module():
+    module_path = Path(__file__).resolve().parents[2] / "scripts" / "start_web.py"
+    spec = importlib.util.spec_from_file_location("start_web_under_test", module_path)
+    assert spec and spec.loader
+    module = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(module)
+    return module
+
+
+def test_start_web_parser_supports_home(tmp_path: Path) -> None:
+    start_web = _load_module()
+    args = start_web.build_parser().parse_args(["--home", str(tmp_path)])
+
+    assert args.home == tmp_path
+
+
+def test_start_web_delegates_to_runtime_launcher(tmp_path: Path) -> None:
+    start_web = _load_module()
+    with mock.patch.object(start_web, "start") as start:
+        start_web.main(["--home", str(tmp_path)])
+
+    start.assert_called_once_with(home=tmp_path)