fix(rectification): expand quality-gate pytest globs before argv

subprocess.run does not shell-expand tests/test_rectification_*.py, so a
string pin could stay green while the suite never ran. Expand glob targets
to real files and fail closed on zero matches.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_rectification_diagnostics_clusters.py

@@ -132,8 +132,21 @@ class RectificationDiagnosticsClustersTest(unittest.TestCase):
 
     def test_staging_quick_gate_runs_rectification_python_suite(self) -> None:
         from pathlib import Path
+
+        from scripts.run_quality_gate import CORE_PYTEST_TARGETS, _expand_pytest_targets
+
+        glob_target = "tests/test_rectification_*.py"
         text = Path("scripts/run_quality_gate.py").read_text(encoding="utf-8")
-        self.assertIn('"tests/test_rectification_*.py"', text)
+        self.assertIn(f'"{glob_target}"', text)
+        self.assertIn(glob_target, CORE_PYTEST_TARGETS)
+        expanded = _expand_pytest_targets([glob_target])
+        self.assertGreaterEqual(len(expanded), 6)
+        self.assertTrue(all(
+            item.startswith("tests/test_rectification_") and item.endswith(".py")
+            for item in expanded
+        ))
+        with self.assertRaises(SystemExit):
+            _expand_pytest_targets(["tests/no_such_rectification_glob_*.py"])
 
 
 if __name__ == "__main__":