Method fill

src/mcp/tools.ts:5292–5312

(room: number)

          .sort((a, b) => a - b);
        /** Source-ordered fill of whole parts, the overrunning one cut to a head window. */
        const fill = (room: number): { emit: ExploreLineRange[]; used: number } => {
          const emit: ExploreLineRange[] = [];
          let used = 0;
          for (const p of parts) {
            const join = emit.length > 0 ? GAP_MARKER.length : 0;
            if (used + join + p.text.length <= room) {
              emit.push(p.range);
              used += join + p.text.length;
              continue;
            }
            const first = emit.length === 0;
            const win = headWindowOf(
              p.range, Math.max(0, room - used - join), first ? MIN_WINDOW_LINES : 0);
            if (win && (first || win.end - win.start + 1 >= MIN_WINDOW_LINES)) {
              emit.push(win);
              used += join + renderSpan(win).length;
            }
            break;
          }
          return { emit, used };
        };
        let { emit, used } = fill(ceiling);
        const reached = () => (emit.length ? emit[emit.length - 1]!.end : 0);
        if (focus.some((l) => l > reached())) {