chore: 并入 iotlcm-worker-svr 历史到 worker-svr/（原提交 96f0f4e）

worker-svr/internal/model/channel_refresh.go

@@ -0,0 +1,11 @@
+package model
+
+// ChannelRefreshMessage requests an asynchronous refresh of channel instances.
+// The payload is shared with admin-svr's publisher.
+type ChannelRefreshMessage struct {
+	Type       string `json:"type"`
+	ChanKey    string `json:"chanKey,omitempty"`
+	TempKey    string `json:"tempKey,omitempty"`
+	OldChanKey string `json:"oldChanKey,omitempty"`
+	NewChanKey string `json:"newChanKey,omitempty"`
+}