191 build - поправлены старые падения, проверены 3 матча и 6 агентов одновременных

tests/ui_contract_support.py

@@ -0,0 +1,13 @@
+"""Execute current JavaScript helpers without booting the live server."""
+from pathlib import Path
+import shutil
+import subprocess
+
+
+def ui_contract(name: str) -> None:
+    node = shutil.which("node")
+    assert node is not None, "Node.js is required for UI regression contracts"
+    script = Path(__file__).with_name("ui_legacy_contracts.cjs")
+    result = subprocess.run([node, str(script), name], capture_output=True, text=True, timeout=20)
+    assert result.returncode == 0, result.stdout + result.stderr
+    assert f"PASS UI contract: {name}" in result.stdout, result.stdout + result.stderr