address review Minors: drop redundant filename replace, assert 暂无消息, tighten downloadBlob return type + try/finally, fix plan group time-picker wording. Co-Authored-By: Claude <noreply@anthropic.com>
phase0 采集云客「沟通」板块客户列表（wechat wechatdetail/1 + waBusiness/friendlist）， dump raw_json 字段覆盖，产出列+交互+字段映射；写 Plan 2（分 channel tab 各 7 列 + 查看聊天记录→ChatTimeline），经 plan-reviewer 评审 Approved。 Co-Authored-By: Claude <noreply@anthropic.com>
浅念