fix(闸壳): 06b 变更记录节档只报 R4——全规则集归默认档，避免体裁红混入禁设判定

tools/gdd_lint.py

@@ -337,6 +337,9 @@ def main():
             sys.exit(2)
 
     results = [lint_file(p) for p in targets]
+    if args.changelog_only:
+        for r in results:
+            r["issues"] = [i for i in r["issues"] if i.startswith("R4")]
     failed = [r for r in results if r["issues"]]
 
     if args.json: