Method get_metadata

code_review_graph/graph.py:313–315

(self, key: str)

        self._conn.commit()

    def get_metadata(self, key: str) -> Optional[str]:
        row = self._conn.execute("SELECT value FROM metadata WHERE key=?", (key,)).fetchone()
        return row["value"] if row else None

    def commit(self) -> None:
        self._conn.commit()