test(isolation): process boundary coverage and workflows

tests/isolation/test_exact_proxy_bootstrap_contract.py

@@ -0,0 +1,22 @@
+from __future__ import annotations
+
+from tests.isolation.singleton_boundary_helpers import (
+    capture_exact_proxy_bootstrap_contract,
+)
+
+
+def test_no_proxy_omission_allowed() -> None:
+    payload = capture_exact_proxy_bootstrap_contract()
+
+    assert payload["omitted_proxies"] == []
+    assert payload["forbidden_matches"] == []
+
+    matrix = payload["matrix"]
+    assert matrix["base.py"]["bound"] is True
+    assert matrix["folder_paths_proxy.py"]["bound"] is True
+    assert matrix["helper_proxies.py"]["bound"] is True
+    assert matrix["model_management_proxy.py"]["bound"] is True
+    assert matrix["progress_proxy.py"]["bound"] is True
+    assert matrix["prompt_server_impl.py"]["bound"] is True
+    assert matrix["utils_proxy.py"]["bound"] is True
+    assert matrix["web_directory_proxy.py"]["bound"] is True