fix(tests): the stale-premise guard keys on the retired conclusion, not the quoted premise (#4134)

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01821k5B3Ysecp9fNYs92Kuy

tests/test_rule_overlap_gate.py

@@ -268,6 +268,9 @@ def test_every_rule_create_door_asks():
 def test_the_stale_premise_is_gone():
     """find_duplicate_rule claimed rules were not a semantic-retrieval surface
     — false since rules were embedded, and the reason this gap survived."""
-    doc = inspect.getdoc(dedup.find_duplicate_rule) or ""
-    assert "aren't a semantic-retrieval" not in doc
+    # Flattened: the docstring is hard-wrapped, and the claim straddled a
+    # line. Keyed on the CONCLUSION it drew, not the premise — the corrected
+    # docstring quotes the premise in order to retire it.
+    doc = " ".join((inspect.getdoc(dedup.find_duplicate_rule) or "").split())
+    assert "the right (and only) signal" not in doc
     assert "find_overlapping_rules" in doc