Method handleUsage

packages/server/src/output/codex-parser.ts:395–407

* 处理 token 使用信息

(usage: CodexEvent['usage'])

      return [{ type: 'edit', path }];
    });

    const summary = fileChanges.length > 0
      ? fileChanges
          .map((c) => ('path' in c ? `${c.type}: ${c.path}` : `${c.type}: ${c.from} → ${c.to}`))
          .join('\n')
      : 'File changes';

    const entry = createToolUse('apply_patch', summary, 'file_edit', item.id, item.id);
    this.upsertItemEntry(item.id, {
      ...entry,
      metadata: {
        ...entry.metadata,
        status: this.getMcpToolStatus(item),
        ...(fileChanges.length > 0 ? { fileChanges } : {}),
      },
    });