code-to10 v6 A14 batch1: workers F601 duplicates and check_transplant E741 renames

(cherry picked from commit 4411186681584bf55e065c654fe909a3320d4a22)

Reconcile-conflict: test_skill_transplant_prep artifact count — kept HEAD's finalized 0 refs (2026-11-02 user sign-off deleting §4's 6 references, already in target) with incoming's l→line rename; incoming's 6-ref assertion is pre-finalization and must not overwrite.

cloud/tests/test_skill_transplant_prep.py

@@ -268,7 +268,7 @@ class TransplantPrepTestCase(unittest.TestCase):
                 self, {"cmd": "apply", "target_id": "v03"}, tmp_o)
             self.assertEqual(result.returncode, 0, result.stderr)
             lines = draft.read_text(encoding="utf-8").split("\n")
-            kept = [l for l in lines if not l.startswith("- 标记行：")]
+            kept = [line for line in lines if not line.startswith("- 标记行：")]
             self.assertLess(len(kept), len(lines))
             draft.write_text("\n".join(kept), encoding="utf-8")
             check = subprocess.run(
@@ -282,7 +282,7 @@ class TransplantPrepTestCase(unittest.TestCase):
         # v5 用户定稿（2026-11-02）：§4 的 6 处引用经用户签字删除，
         # 本测试由“钉住 6 处”改为“钉住 0 处”，防止删除后悄悄回潮。
         text = SKILL_MD.read_text(encoding="utf-8")
-        refs = [l for l in text.split("\n") if "templates/artifacts" in l]
+        refs = [line for line in text.split("\n") if "templates/artifacts" in line]
         self.assertEqual(len(refs), 0, refs)
         self.assertIn("## 独立审计与自动推回", text)
         # 集成基底章节表：审计章在 v0.5 表里编号为 11-auditor