Bound non-gating E2E probation failures

scripts/tests/test_e2e_workflow_contract.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+"""Guard the stable/probation Core E2E verdict boundary."""
+
+from pathlib import Path
+import unittest
+
+
+ROOT = Path(__file__).resolve().parents[2]
+WORKFLOW = ROOT / ".github" / "workflows" / "test-e2e.yml"
+
+
+class E2EWorkflowContractTest(unittest.TestCase):
+    def test_probation_failures_are_bounded_and_non_gating(self) -> None:
+        workflow = WORKFLOW.read_text()
+        probation_start = workflow.index(
+            "- name: Run probation-tier E2E suite (non-gating)"
+        )
+        report_start = workflow.index(
+            "- name: Report probation-tier outcome", probation_start
+        )
+        probation_step = workflow[probation_start:report_start]
+
+        self.assertIn("continue-on-error: true", probation_step)
+        self.assertIn("timeout-minutes: 12", probation_step)
+        self.assertIn("--max-failures=5", probation_step)
+        self.assertIn("--global-timeout=600000", probation_step)
+
+        verdict_start = workflow.index("- name: Check E2E results")
+        verdict = workflow[verdict_start:]
+        self.assertNotIn("needs.probation", verdict)
+        self.assertNotIn("steps.probation", verdict)
+
+
+if __name__ == "__main__":
+    unittest.main()