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/readloop_test.go

@@ -9,10 +9,10 @@ import (
 	"git.yeij.top/AskaEth/Cyrene_v2/internal/channel/adapter"
 )
 
-// deadSessionAdapter mimics a channel whose session dies while the bridge is
-// running — today the iLink session rejection (errcode=-14): Connect
-// reports success, the read loop then returns on its own (nothing cancelled it)
-// and IsConnected reports false from that point on.
+// deadSessionAdapter 模拟桥接器运行期间会话死掉的渠道
+// ——目前就是 iLink 会话被拒（errcode=-14）：Connect
+// 报告成功，随后读取循环自行返回（没有任何东西取消它），
+// 从那一刻起 IsConnected 报告 false。
 type deadSessionAdapter struct {
 	name string
 	mu   sync.Mutex
@@ -40,7 +40,7 @@ func (a *deadSessionAdapter) IsConnected() bool {
 }
 func (a *deadSessionAdapter) HealthCheck(context.Context) error { return adapter.ErrNotConnected }
 func (a *deadSessionAdapter) ReadMessages(context.Context, func(adapter.UnifiedMessage)) {
-	// The session died: the read loop ends by itself, no cancellation involved.
+	// 会话已死：读取循环自行结束，没有任何取消参与其中。
 	a.mu.Lock()
 	a.up = false
 	a.mu.Unlock()
@@ -59,8 +59,8 @@ func (a *deadSessionAdapter) ListChannels(context.Context) ([]adapter.ChannelInf
 	return nil, nil
 }
 
-// signaledAdapter is a fakeAdapter whose read loop reports when it has returned,
-// so a test can wait for a replaced adapter's exit deterministically.
+// signaledAdapter 是一个 fakeAdapter，其读取循环在返回时发出信号，
+// 使测试能确定性地等待被替换适配器的退出。
 type signaledAdapter struct {
 	*fakeAdapter
 	exited chan struct{}
@@ -71,10 +71,10 @@ func (a *signaledAdapter) ReadMessages(ctx context.Context, _ func(adapter.Unifi
 	close(a.exited)
 }
 
-// TestReadLoopExitClearsConnectedFlag is the regression for "the adapter goes mute
-// while the bridge still claims it is connected": the read loop ends with the
-// session down and nothing cancelled it, so IsConnected/ConnectedCount must stop
-// reporting a live channel.
+// TestReadLoopExitClearsConnectedFlag 是针对「适配器已哑掉、桥接器
+// 却仍声称它已连接」的回归测试：读取循环在会话中断、
+// 无人取消的情况下结束，因此 IsConnected/ConnectedCount 必须停止
+// 报告该渠道存活。
 func TestReadLoopExitClearsConnectedFlag(t *testing.T) {
 	t.Parallel()
 	b := newReloadBridge(t, nil)
@@ -95,10 +95,10 @@ func TestReadLoopExitClearsConnectedFlag(t *testing.T) {
 	t.Fatal("bridge still reports weixin-ilink as connected after its read loop ended")
 }
 
-// TestReplacedAdapterExitKeepsReplacementConnected guards the other direction: the
-// read-loop exit accounting must not undo a replacement installed by a hot reload.
-// The replaced adapter's loop is cancelled by Reload (a deliberate stop), so its
-// exit says nothing about the adapter that now owns the name.
+// TestReplacedAdapterExitKeepsReplacementConnected 守住另一方向：
+// 读取循环退出统计绝不能撤销热重载装入的替换适配器。
+// 被替换适配器的循环由 Reload 取消（刻意停止），因此它的
+// 退出对如今占用该名称的适配器毫无说明力。
 func TestReplacedAdapterExitKeepsReplacementConnected(t *testing.T) {
 	t.Parallel()
 	old := &signaledAdapter{
@@ -116,8 +116,8 @@ func TestReplacedAdapterExitKeepsReplacementConnected(t *testing.T) {
 		t.Fatalf("Reload: %v", err)
 	}
 	<-old.exited
-	// The exit accounting runs immediately after the read path returns; a short
-	// settle window catches it without relying on a specific interleaving.
+	// 退出统计在读取路径返回后立即运行；短促的
+	// 静置窗口即可捕获，无需依赖特定的交错时序。
 	settle := time.Now().Add(50 * time.Millisecond)
 	for time.Now().Before(settle) {
 		if !b.IsConnected("kook:conf0") {