fix: preserve task lifecycle approval evidence

tests/test_task_breakdown_policy.py

@@ -11,7 +11,7 @@ class TaskBreakdownPolicyTest(unittest.TestCase):
         required = [
             "Architecture owns complete Task decomposition",
             "every Feature allocated to the release",
-            "review existing Tasks",
+            "reviews existing Tasks",
             "at least two independently executable Tasks",
             "every acceptance outcome",
             "every applicable requirement",
@@ -20,6 +20,27 @@ class TaskBreakdownPolicyTest(unittest.TestCase):
         for marker in required:
             self.assertIn(marker, self.skill)
 
+    def test_task_lifecycle_and_readiness_rules_are_fail_closed(self):
+        required = [
+            "version: 1.7.0",
+            "repository/component owner",
+            "future acceptance-evidence requirement",
+            "within-Feature sequencing",
+            "cross-Feature prerequisite",
+            "acyclic Task dependencies",
+            "creates missing Tasks",
+            "freely revise or remove only draft Tasks",
+            "must not be deleted or silently rewritten",
+            "Superseded or Cancelled",
+            "replacement links",
+            "invalidate prior readiness evidence",
+            "pre-approval state",
+            "renewed human `Approved for Implementation`",
+            "separate exact-task Kanban Focus admission",
+        ]
+        for marker in required:
+            self.assertIn(marker, self.skill)
+
 
 if __name__ == "__main__":
     unittest.main()