correct Guanghu OS master and Linux subcontrol topology

skills/codex/guanghu-persona-skill-guard/scripts/compile_collective_cognition.py

@@ -31,6 +31,8 @@ NODE_FIELDS = {"id", "kind", "statement", "parents", "evidence", "state"}
 def load_contributions(directory: Path = DEFAULT_CONTRIBUTIONS) -> list[dict]:
     contributions = []
     for path in sorted(directory.glob("*.json")):
+        if path.name.startswith("._"):
+            continue
         with path.open(encoding="utf-8") as handle:
             item = json.load(handle)
         missing = REQUIRED_FIELDS.difference(item)