Method touch

core/memory_v2.py:119–125

Mark file as recently used without returning content.

(self, file_path: str)

        return None

    def touch(self, file_path: str):
        """Mark file as recently used without returning content."""
        item = self._files.get(file_path)
        if item:
            item.last_used_at = int(time.time())
            item.last_used_turn = self._turn
            item.access_count += 1

    def remove(self, file_path: str):
        """Remove a file from working memory."""