Fix Cookbook container-local model endpoints (#1223)

Co-authored-by: ghreprimand <203024559+ghreprimand@users.noreply.github.com>

tests/test_cookbook_endpoint_registration.py

@@ -0,0 +1,30 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+COOKBOOK_RUNNING = ROOT / "static" / "js" / "cookbookRunning.js"
+
+
+def _source() -> str:
+    return COOKBOOK_RUNNING.read_text(encoding="utf-8")
+
+
+def test_cookbook_marks_local_endpoint_registration_as_container_local():
+    src = _source()
+    assert "function _appendCookbookEndpointScope" in src
+    assert "fd.append('container_local', 'true')" in src
+    assert src.count("_appendCookbookEndpointScope(fd,") >= 3
+
+
+def test_cookbook_does_not_use_local_as_endpoint_hostname():
+    src = _source()
+    assert "function _connectHostFromRemote" in src
+    assert "if (!host || host === 'local') return fallback;" in src
+    assert "const rawHost = task.remoteHost || 'localhost';" not in src
+
+
+def test_cookbook_advertised_bind_urls_keep_connectable_host():
+    src = _source()
+    assert "function _endpointFromAdvertisedUrl" in src
+    assert "_isAnyBindHost(u.hostname) ? currentHost" in src
+    assert "host = u.hostname || host;" not in src