AskaEth
ca8577f05b
feat(channelbridge): 群聊静默窗口合并与回合中续跑（M23）
主人 2026-10-23/24：「要让群聊聊天很自然，很流畅的做法」。群里「一鼓作气打三句」
此前会让她回三次；本片在**每会话车道头部**加一段静默等待，把这几句合成**一轮**回答
（批内每条仍是独立的一条消息，design/15 §2.1 不许拼成一条）。
四条不可走样：
- 🔴 主人私聊**结构性**无窗口：车道分 `newDirectLane`（无 batcher 字段、拿不到定时器
工厂）与 `newBatchLane`，类型由 actor 元数据（IsOwner() && !IsGroupChat()）决定，
配置无权翻转；
- 🔴 窗口内零丢失：唯一容器是车道队列（takeAll 单消费者取出），合并阶段无新增丢弃点
（CoalescedDroppedTotal 恒 0）；超单批上限的**尾部回插队首**保序、锁内、发车前；
- 🔴 一条批 = 一个 turnID = 一次 loop.Run = 一条助手回复；
- 🔴 不改「回什么」：闸门仍逐条跑（prepareInbound 逐字搬运 M22 的 processFrom），
被静默的消息进不了批。
实现落点：
- lane.go：direct/batch 两种车道 + front（回插队首）+ takeAll + 停机诚实登记；
- coalesce.go：生效参数解析、滑动窗口 + 绝对上限等待、发车原因与计数；
- coalesce_lane.go：攒批 → 拆分 → 陈旧度/闸门 → 发车；
- coalesce_prepare.go / coalesce_batch.go：processFrom 拆成 prepareInbound + runBatch；
- runtimeconfig/channels_coalesce.go：$DATA_DIR/config/coalesce.json（零新 .env 键）；
- gateway/admin_coalesce.go：GET/PUT /api/v1/admin/channels/coalesce（三态补丁 +
writeAuth + 审计 channels.coalesce + 热生效），routes.go 两行注册（塔已批）；
- 前端：渠道总览页一张卡（六个旋钮；主人私聊只给只读说明，不给开关）。
M22 既有用例仍在（lane_test.go 夹具显式关窗以钉住车道本身）；stranger_test.go 的那条
按塔裁定 #4 改写：「已有回合在跑 ⇒ 只登记不回」变成排队回答（留 WARN，绝不静默）。
回归：go build/vet/test ./... 全绿；三包 -race 全绿；前端 tsc --noEmit + npm run build
+ 渲染测试 36 项通过。不 push、不重启后端、未改 .env 与 Docs/。
2026-10-24 21:11:22 +08:00
..
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