Validate umbrella graph WebUI proof

tests/integration/test_loader_contract.py

@@ -44,7 +44,7 @@ def test_loader_exposes_seven_method_contract(loader):
 
 
 def test_loader_register_wires_our_plugin(loader, monkeypatch):
-    """End-to-end: env var → import this plugin → register() fires our 2 routes + processor."""
+    """End-to-end: env var → import this plugin → register() fires plugin routes + processor."""
     monkeypatch.setenv("HERMES_WEBUI_PYTHON_PLUGIN", "svrnty_hermes_webui_plugin")
     # Reset loader idempotency guard so we can re-run in-process
     loader._LOADED = False
@@ -57,9 +57,11 @@ def test_loader_register_wires_our_plugin(loader, monkeypatch):
     sys.path.insert(0, str(PLUGIN_REPO))
     loader.load_plugin()
 
-    # Routes registered: /api/transcribe (POST) + /api/vault/status (GET)
+    # Core routes registered, including the /umbrella graph API pair.
     assert ("POST", "/api/transcribe") in loader._ROUTES
     assert ("GET", "/api/vault/status") in loader._ROUTES
+    assert ("GET", "/api/umbrella") in loader._ROUTES
+    assert ("GET", "/api/umbrella/doc") in loader._ROUTES
     # Static + injected URLs
     assert "svrnty" in loader._STATIC
     assert "/plugins/svrnty/app.css" in loader._STYLESHEETS