refactor: implement concrete Delivery responsibility dispositions

tests/test_contract.py

@@ -0,0 +1,21 @@
+"""Safeguard validation with negative mutation controls; no live operations."""
+from pathlib import Path
+import json,unittest
+ROOT=Path(__file__).resolve().parents[1]
+CLAUSES=json.loads((Path(__file__).parent/'contract.json').read_text())
+def validate(text):
+    missing=[s for s in CLAUSES if s.lower() not in text.lower()]
+    if missing: raise ValueError(missing)
+class Contract(unittest.TestCase):
+    def test_published_procedure_has_all_safeguards(self):
+        validate((ROOT/'SKILL.md').read_text())
+    def test_each_removed_safeguard_is_rejected(self):
+        text=(ROOT/'SKILL.md').read_text().lower()
+        for s in CLAUSES:
+            with self.subTest(s=s),self.assertRaises(ValueError):validate(text.replace(s.lower(),''))
+    def test_procedure_not_an_empty_router(self):
+        text=(ROOT/'SKILL.md').read_text()
+        self.assertIn('## Verification' if '## Verification' in text else 'verification',text)
+        self.assertTrue('Stop' in text or 'stop' in text or 'status unverified' in text)
+        self.assertTrue('## Procedure' in text or '## Failure-Repair Workflow' in text or '## Scope Status Vocabulary' in text)
+if __name__=='__main__':unittest.main()