Function walk

scripts/k.py:1688–1700

(secs)

    heading_intervals: list[tuple[int, int, str, int]] = []  # (start, end, anchor, level)

    def walk(secs):
        for s in secs:
            anc = s.get("anchor")
            if anc:
                if s.get("agent_summary"):
                    summary_by_anchor[anc] = s["agent_summary"]
                heading_intervals.append((
                    int(s.get("char_start", 0)),
                    int(s.get("char_end", 0)),
                    anc,
                    int(s.get("level", 1)),
                ))
            walk(s.get("children", []))

    walk(outline.get("sections", []))