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/bubbles_test.go

@@ -9,9 +9,9 @@ import (
 	"git.yeij.top/AskaEth/Cyrene_v2/internal/user"
 )
 
-// gapCounter returns a bubbleGapFn that counts how many times the inter-bubble delay
-// is consulted and returns zero, so the multi-bubble spacing can be asserted without
-// sleeping a real 0.5-2s per gap.
+// gapCounter 返回一个 bubbleGapFn：它统计气泡间延时的咨询次数
+// 并返回零，因此无需为每个间隔真的 sleep 0.5-2s
+// 就能断言多气泡间隔。
 func gapCounter(counter *int) func() time.Duration {
 	return func() time.Duration {
 		*counter++
@@ -51,8 +51,8 @@ func TestSendIMBubbles_SplitsStripsAndGaps(t *testing.T) {
 	if ad.sends[0].Platform != "kook" || ad.sends[0].ChannelID != "329284282" {
 		t.Fatalf("bubble[0] target = %+v, want kook 329284282", ad.sends[0])
 	}
-	// Two bubbles → exactly one inter-bubble delay is consulted (and applies to both
-	// reply and proactive paths, since this drives the shared dispatcher).
+	// 两个气泡 → 恰好咨询一次气泡间延时（回复与主动推送两条路径
+	// 都适用，因为驱动的是共享派发器）。
 	if gaps != 1 {
 		t.Fatalf("gap calls = %d, want 1 (2 bubbles → one gap)", gaps)
 	}
@@ -105,9 +105,9 @@ func TestSendIMBubbles_PureActionDropped(t *testing.T) {
 	}
 }
 
-// TestSendReply_SplitsBubblesAndStrips exercises the reply exit (sendReply) after the
-// refactor: a multi-<p> reply is delivered as several stripped bubbles through the
-// shared dispatcher, targeting the source conversation.
+// TestSendReply_SplitsBubblesAndStrips 覆盖重构后的回复出口（sendReply）：
+// 含多个 <p> 的回复经共享派发器以多个已剥离的气泡
+// 投递，目标为来源会话。
 func TestSendReply_SplitsBubblesAndStrips(t *testing.T) {
 	t.Parallel()
 	b, _, _, ad := newTestBridge(t)
@@ -128,9 +128,9 @@ func TestSendReply_SplitsBubblesAndStrips(t *testing.T) {
 	}
 }
 
-// TestSendProactive_SplitsWeChatBubbles verifies the proactive push now splits a
-// multi-paragraph message into bubbles on WeChat (the reported regression: WeChat
-// proactive pushes arrived as one un-split <p> blob).
+// TestSendProactive_SplitsWeChatBubbles 验证主动推送现在会在 WeChat 上
+// 把多段消息拆成气泡（上报的回归问题：WeChat
+// 主动推送曾以一整块未拆分的 <p> 到达）。
 func TestSendProactive_SplitsWeChatBubbles(t *testing.T) {
 	t.Parallel()
 	const acct = "o9cq802QPKPscBenJAp-SMZPBlnQ@im.wechat"