fix: refuse numbered review tags in commits

A subject that points at a numbered private review names notes no clone holds, and pushed history cannot be rewritten. The hook now refuses those tags like the tracked-file test does.

scripts/commit_rules.py

@@ -21,6 +21,14 @@ REFUSED_WORDS = re.compile(
     r"comprehensive|implement)",
     re.IGNORECASE,
 )
+# A numbered pointer at a private review ("audit 24", "review 3", "round 5")
+# names notes no clone holds. tests/test_prose_style.py refuses the same tags
+# in tracked files, and history cannot be rewritten once pushed.
+REVIEW_TAG = re.compile(
+    r"\b(audit|review|round|batch|finding)s? #?\d+|\baudit (batch|findings?)\b"
+    r"|[a-z]+_audit_\d+",
+    re.IGNORECASE,
+)
 CO_AUTHOR = re.compile(r"^co-authored-by", re.IGNORECASE | re.MULTILINE)
 
 
@@ -35,6 +43,8 @@ def problems(message: str) -> list[str]:
     text = "\n".join(line for line in message.splitlines() if not line.startswith("#"))
     if REFUSED_WORDS.search(text):
         found.append("the message uses a word this repository's history does not carry")
+    if REVIEW_TAG.search(text):
+        found.append("say what the change does, not which review asked for it")
     if CO_AUTHOR.search(message):
         found.append("no Co-Authored-By trailer here")
     return found

tests/test_autorun.py

@@ -955,6 +955,23 @@ class SubjectsFollowTheRepositoryRules(unittest.TestCase):
                 self.assertTrue(ar.check_subject(subject))
         self.assertEqual(ar.check_subject("chore: tidy the cache"), [])
 
+    def test_review_numbers_are_refused(self):
+        """47 pushed subjects pointed at a numbered private review, which no
+        clone can follow. The subject says what the change does."""
+        import commit_rules  # noqa: PLC0415
+
+        for subject in ("chore: audit 24 and 17 cases, host kept out",
+                        "fix: polish the screens audit 11 named",
+                        "chore: merge audit batch, resolver and profiles",
+                        "fix: settle the review 3 notes"):
+            with self.subTest(subject=subject):
+                self.assertTrue(commit_rules.problems(subject))
+        for subject in ("fix: scroll long messages in the installer",
+                        "feat: read regions in region_audit.py",
+                        "chore: merge resolver and profile fixes"):
+            with self.subTest(subject=subject):
+                self.assertEqual(commit_rules.problems(subject), [])
+
     def test_the_rules_run_as_a_hook(self):
         with tempfile.TemporaryDirectory() as tmp:
             message = Path(tmp) / "MSG"