docs(comments): 注释中文化 · internal/services/channelbridge（纯替换）

- 只翻注释/文档字符串：剥掉注释后代码行逐字节不变（机械校验只剩允许的行尾注释形态）
- 术语对齐既有译法（owner→主人、persona→角色、engage→参与度判定、quiet hours→安静时段、backoff→退避）
- 复核：go build 绿 + channelbridge 包测试绿；gofmt 干净

internal/services/channelbridge/reload.go

@@ -1,12 +1,12 @@
 package channelbridge
 
-// This file holds the hot-reload machinery for the channel bridge (design/04
-// §3.1). The panel saves a platform's account config to channels.json and calls
-// Bridge.Reload(platform): the factory rebuilds that platform's adapters, they
-// connect first (new messages use the new config), then the old adapters are
-// gracefully stopped. A message already in flight finishes on its old adapter
-// because processing is spawned with the bridge-lifetime context, not the
-// per-adapter read context that reload cancels.
+// 本文件承载渠道桥接器的热重载机制（design/04
+// §3.1）。面板把某平台的账号配置保存到 channels.json 并调用
+// Bridge.Reload(platform)：工厂重建该平台的适配器，它们
+// 先连接（新消息使用新配置），随后旧适配器
+// 被优雅停止。已在途的消息仍在其旧适配器上完成，
+// 因为消息处理是以桥接器生命周期 context 派生的，而非
+// 重载所取消的按适配器读取 context。
 
 import (
 	"context"
@@ -16,29 +16,29 @@ import (
 	"git.yeij.top/AskaEth/Cyrene_v2/internal/channel/adapter"
 )
 
-// PlatformFactory rebuilds the adapters for a platform from its current effective
-// account config (channels.json, falling back to env). It is injected so the
-// bridge can hot-replace a platform's adapters when the panel saves a new config
-// without a restart. The concrete implementation lives in the composition root
-// (cmd/cyrene), which owns the platform adapter constructors.
+// PlatformFactory 依据平台当前生效的账号配置
+// （channels.json，回退到环境变量）重建其适配器。它以注入方式提供，
+// 使桥接器能在面板保存新配置时热替换该平台的适配器
+// 而无需重启。具体实现位于组合根
+// （cmd/cyrene），平台适配器的构造函数由那里持有。
 type PlatformFactory interface {
-	// Build returns the adapters for platform from its effective account config.
-	// The returned slice may be empty when the platform has no configured account.
+	// Build 依据生效的账号配置返回该平台的适配器。
+	// 平台没有已配置账号时，返回的切片可能为空。
 	Build(platform string) ([]adapter.PlatformAdapter, error)
 }
 
-// ErrNilFactory is returned when a reload is requested without a platform factory
-// injected (no hot-reload configuration source).
+// ErrNilFactory 表示请求重载时未注入平台工厂
+// （没有热重载配置来源）。
 var ErrNilFactory = errors.New("channelbridge: nil platform factory")
 
-// ErrBridgeClosed is returned when a reload is requested on a stopped bridge.
+// ErrBridgeClosed 表示在已停止的桥接器上请求重载。
 var ErrBridgeClosed = errors.New("channelbridge: bridge is not running")
 
-// connectAndRun dials a single adapter (bound by connectTimeout) and, on success,
-// installs its inbound handler and launches its read loop under a per-adapter
-// context. The per-adapter context is what a hot reload cancels to stop the old
-// read loop; message processing is spawned with the bridge-lifetime context so an
-// in-flight message started before a Reload completes on its old adapter.
+// connectAndRun 拨号单个适配器（受 connectTimeout 约束），成功时
+// 装配其入站处理器，并在按适配器 context 下启动其读取
+// 循环。热重载正是取消这个按适配器 context 来停止旧
+// 读取循环；消息处理则以桥接器生命周期 context 派生，
+// 因此 Reload 之前已在途的消息会在其旧适配器上完成。
 func (b *Bridge) connectAndRun(a adapter.PlatformAdapter) {
 	if a == nil {
 		return
@@ -56,9 +56,9 @@ func (b *Bridge) connectAndRun(a adapter.PlatformAdapter) {
 		return
 	}
 
-	// Close over the adapter so the inbound callback knows which account received
-	// the message — required for multi-account reply routing and for reading that
-	// account's allow/deny lists (design/16 §4.6 §5).
+	// 闭包捕获该适配器，使入站回调知道是哪个账号收到了
+	// 消息——多账号回复路由，以及读取该账号的
+	// 允许/拒绝名单都依赖它（design/16 §4.6 §5）。
 	a.SetMessageHandler(func(_ context.Context, msg adapter.UnifiedMessage) {
 		b.onMessage(b.ctx, msg, a)
 	})
@@ -74,21 +74,21 @@ func (b *Bridge) connectAndRun(a adapter.PlatformAdapter) {
 	b.readCancels[a.Name()] = rcancel
 	b.connected[a.Name()] = true
 	b.mu.Unlock()
-	// Cache the account's channel-level role now that the adapter is live: the
-	// inbound path reads the cache instead of the config, and a reload (which the
-	// panel's save triggers) re-runs this to pick up a new binding.
+	// 适配器已上线，此时缓存该账号的渠道级角色：
+	// 入站路径读取缓存而不是配置，而重载（由面板保存
+	// 触发）会重跑这里以拾取新的绑定。
 	b.rememberAdapterPersona(a.Name())
 	b.wg.Add(1)
 	go b.readLoop(a, readCtx)
 	b.log.Info("channel connected", "channel", a.Name())
 }
 
-// Reload rebuilds the adapters for a platform from its current effective config
-// (via the injected factory) and hot-replaces the running ones without a restart
-// (design/04 §3.1). The rebuilt adapters connect first; messages that arrived on
-// the old adapters finish on them, and new messages are picked up by the new
-// configuration. An account that was removed stops its old adapter, and an
-// unchanged-name account stops the old adapter once the new one is live.
+// Reload 依据平台当前生效的配置（经由注入的工厂）重建其适配器，
+// 并在不重启的前提下热替换正在运行的适配器
+// （design/04 §3.1）。重建后的适配器先连接；到达旧适配器的
+// 消息在旧适配器上完成，新消息则由新配置
+// 接管。被移除的账号会停掉其旧适配器；名称未变的
+// 账号在新适配器上线后停掉旧适配器。
 func (b *Bridge) Reload(platform string) error {
 	if b.factory == nil {
 		return ErrNilFactory
@@ -115,22 +115,22 @@ func (b *Bridge) Reload(platform string) error {
 	}
 	for _, o := range old {
 		if newNames[o.Name()] {
-			// Same-name account replaced by the rebuilt adapter: stop the old read
-			// loop but leave the registry entry — it now points at the new adapter.
+			// 同名账号被重建后的适配器替换：停止旧的读取
+			// 循环，但保留注册表条目——它现在指向新适配器。
 			b.cancelAndDisconnect(o, oldCancels[o.Name()])
 			continue
 		}
-		// Account removed (or renamed) entirely: stop it and drop its registry
-		// entries, so a subsequent snapshot no longer sees it.
+		// 账号被彻底移除（或更名）：停止它并删除其注册表
+		// 条目，后续 snapshot 便不再看到它。
 		b.removeAdapter(o, oldCancels[o.Name()])
 	}
 	b.log.Info("channel reloaded", "platform", platform, "adapters", len(newAdapters))
 	return nil
 }
 
-// adapterSnap returns the adapters currently registered for a platform, together
-// with the context-cancel func that controls each one's read loop. It is used by
-// Reload to stop the old adapters after the rebuilt ones are live.
+// adapterSnap 返回某平台当前已注册的适配器，以及
+// 控制各自读取循环的 context 取消函数。Reload 用它
+// 在重建的适配器上线后停止旧适配器。
 func (b *Bridge) adapterSnap(platform string) ([]adapter.PlatformAdapter, map[string]context.CancelFunc) {
 	b.mu.RLock()
 	defer b.mu.RUnlock()
@@ -148,10 +148,10 @@ func (b *Bridge) adapterSnap(platform string) ([]adapter.PlatformAdapter, map[st
 	return list, cancels
 }
 
-// cancelAndDisconnect stops an adapter's read loop and tears down its session.
-// It never touches the registry map: callers that replace a same-name adapter
-// want the (new) entry to stay, and callers that remove an account use
-// removeAdapter.
+// cancelAndDisconnect 停止适配器的读取循环并拆除其会话。
+// 它绝不改动注册表 map：替换同名适配器的调用方
+// 希望（新）条目保留，而移除账号的调用方使用
+// removeAdapter。
 func (b *Bridge) cancelAndDisconnect(o adapter.PlatformAdapter, c context.CancelFunc) {
 	if c != nil {
 		c()
@@ -162,9 +162,9 @@ func (b *Bridge) cancelAndDisconnect(o adapter.PlatformAdapter, c context.Cancel
 	b.log.Info("channel (reload) stopped", "channel", o.Name())
 }
 
-// removeAdapter stops an account's adapter and drops its registry entries. It is
-// only called for names that were NOT rebuilt by Reload, so the delete can never
-// remove a replacement adapter that now owns the name.
+// removeAdapter 停止账号的适配器并删除其注册表条目。它
+// 只对未被 Reload 重建的名称调用，因此删除绝不会
+// 误删如今占用该名称的替换适配器。
 func (b *Bridge) removeAdapter(o adapter.PlatformAdapter, c context.CancelFunc) {
 	b.cancelAndDisconnect(o, c)
 	name := o.Name()