docs(gateway): gateway 剩余文件注释改中文（逐行 1:1，代码零字节改动）

主人 2026-10-03 拍板「注释一律中文」；gateway 至此整包注释中文化完成（本会话共 3 批：
已推库 16 个文件 + 本批剩余文件）。
校验：机械校验（非注释改动行）= 空；剥注释后代码文本逐行比对全等（不一致文件数 0）；
全树 go test ./... 58 包 ok / 0 FAIL；交叉编译绿。

internal/services/gateway/admin_channels_rescan_test.go

@@ -16,9 +16,9 @@ import (
 	"git.yeij.top/AskaEth/Cyrene_v2/plugins/channels/weixin_ilink"
 )
 
-// rescanStubAdapter is a channel adapter that also exposes the optional rescan
-// capability, exactly as *weixin_ilink.Adapter does once iLink answers
-// errcode=-14 (session rejected, re-scan required).
+// rescanStubAdapter 是一个渠道适配器，它同时暴露可选的 rescan
+// 能力，正如 *weixin_ilink.Adapter 在 iLink 应答 errcode=-14
+// （会话被拒，需要重新扫码）之后那样。
 type rescanStubAdapter struct {
 	name       string
 	connected  bool
@@ -47,9 +47,9 @@ func (s *rescanStubAdapter) ReadMessages(ctx context.Context, _ func(adapter.Uni
 }
 func (s *rescanStubAdapter) RescanRequired() (bool, string) { return s.rescan, s.reason }
 
-// namedRescanAdapter mirrors cmd/cyrene's namedAdapter: an unexported wrapper
-// embedding adapter.PlatformAdapter, which promotes only the interface's methods.
-// The gateway therefore has to unwrap it to reach the adapter's rescan capability.
+// namedRescanAdapter 仿照 cmd/cyrene 的 namedAdapter：一个内嵌
+// adapter.PlatformAdapter 的未导出包装器，它只提升接口的方法。
+// 因此网关必须拆开它才能抵达适配器的 rescan 能力。
 type namedRescanAdapter struct{ adapter.PlatformAdapter }
 
 var (
@@ -57,15 +57,15 @@ var (
 	_ sdk.Channel             = namedRescanAdapter{}
 )
 
-// TestAdminChannelsReportsNeedsRescan asserts the panel can tell "needs a fresh
-// scan" apart from plain "not connected": the rejected adapter's row carries
-// needsRescan + the reason, and a healthy adapter omits both rather than shipping
-// a fabricated value.
+// TestAdminChannelsReportsNeedsRescan 断言面板能把「需要重新扫码」
+// 与单纯的「未连接」区分开：被拒适配器的行携带
+// needsRescan + 原因，而健康适配器两者都省略，
+// 而不是送出一个编造的值。
 func TestAdminChannelsReportsNeedsRescan(t *testing.T) {
 	t.Parallel()
 	const reason = "iLink getupdates 返回 errcode=-14（本次会话已被 iLink 拒绝）"
 	caps := capreg.New()
-	// Registered through the wrapper, the way the composition root registers it.
+	// 经包装器注册，与组合根注册它的方式一致。
 	if err := caps.Register(capreg.Capability{
 		Name:  "weixin-ilink",
 		Kind:  capreg.KindChannel,
@@ -112,8 +112,8 @@ func TestAdminChannelsReportsNeedsRescan(t *testing.T) {
 		t.Errorf("telegram = %+v, want a connected row without rescan fields", tg)
 	}
 
-	// The healthy channel must OMIT the fields (omitempty), not send defaults: the
-	// panel distinguishes "adapter did not report" from "adapter reported false".
+	// 健康渠道必须省略这些字段（omitempty），而不是发送默认值：
+	// 面板要区分「适配器未报告」与「适配器报告了 false」。
 	var raw []map[string]json.RawMessage
 	if err := json.Unmarshal(decodeBody(t, body)["data"], &raw); err != nil {
 		t.Fatalf("decode raw items: %v (body=%s)", err, body)
@@ -129,15 +129,15 @@ func TestAdminChannelsReportsNeedsRescan(t *testing.T) {
 			t.Error("telegram row carries lastError although there is none")
 		}
 	}
-	// The reason is informational text, never a credential.
+	// 原因是提示性文本，绝不是凭据。
 	if strings.Contains(string(body), `"bot_token"`) {
 		t.Errorf("channel list leaked a bot_token field: %s", body)
 	}
 }
 
-// TestAdminChannelOpenRejectedSessionReturns409 asserts the open endpoint answers
-// honestly for a session a reconnect cannot fix: 409 session_rejected with the
-// re-scan instruction, never a 200 that would make the panel show "connected".
+// TestAdminChannelOpenRejectedSessionReturns409 断言 open 端点对重连
+// 修不好的会话诚实作答：409 session_rejected 附带重新扫码
+// 指引，绝不返回会让面板显示「已连接」的 200。
 func TestAdminChannelOpenRejectedSessionReturns409(t *testing.T) {
 	t.Parallel()
 	caps := capreg.New()
@@ -175,10 +175,10 @@ func TestAdminChannelOpenRejectedSessionReturns409(t *testing.T) {
 	}
 }
 
-// TestAdminChannelsRescanFromRealIlinkAdapter closes the loop across the layers:
-// a REAL *weixin_ilink.Adapter that iLink answered errcode=-14 for, registered the
-// way the composition root registers it (wrapped), must surface needsRescan +
-// lastError in the admin channel list.
+// TestAdminChannelsRescanFromRealIlinkAdapter 跨层闭环：一个真正被
+// iLink 应答 errcode=-14 的 *weixin_ilink.Adapter，按组合根
+// 注册它的方式（包装后）注册，必须在管理渠道列表中
+// 浮现 needsRescan + lastError。
 func TestAdminChannelsRescanFromRealIlinkAdapter(t *testing.T) {
 	t.Parallel()
 	ilog := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {