Method collect

src/mcp/tools.ts:1662–1677

(defNodes: Node[])

      : '';

    const collect = (defNodes: Node[]) => {
      const seen = new Set<string>();
      const callers: Node[] = [];
      const labels = new Map<string, string>();
      for (const node of defNodes) {
        for (const c of cg.getCallers(node.id)) {
          if (!seen.has(c.node.id)) {
            seen.add(c.node.id);
            callers.push(c.node);
            const label = this.edgeLabel(c.edge);
            if (label) labels.set(c.node.id, label);
          }
        }
      }
      return { callers, labels };
    };

    // Single definition (or same-file overloads): the familiar flat list.
    if (groups.length === 1) {