Method save

src/knowledge/graph.py:107–110

(self, path: Path | None = None)

        return g

    def save(self, path: Path | None = None) -> None:
        p = path or default_graph_path()
        p.parent.mkdir(parents=True, exist_ok=True)
        p.write_text(json.dumps(self.to_dict()), encoding="utf-8")

    @classmethod
    def load(cls, path: Path | None = None) -> "KnowledgeGraph":