test: Go/JS SDK 接入清单集成测与 README 示例

sdk/go/receive.go

@@ -15,8 +15,8 @@ func (c *Client) handleDown(payload []byte) {
 	if err := unmarshalJSON(payload, &head); err != nil {
 		return
 	}
-	switch head.Type {
-	case "resp":
+	// resp 必须在收包路径同步处理，否则 request/ack 在 downLoop 里等待时会死锁。
+	if head.Type == "resp" {
 		var rf respFrame
 		if err := unmarshalJSON(payload, &rf); err != nil {
 			return
@@ -33,6 +33,34 @@ func (c *Client) handleDown(payload []byte) {
 			default:
 			}
 		}
+		return
+	}
+	cp := append([]byte(nil), payload...)
+	select {
+	case c.downCh <- cp:
+	case <-c.ctx.Done():
+	}
+}
+
+func (c *Client) downLoop(ctx context.Context) {
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case payload := <-c.downCh:
+			c.handleDownApp(payload)
+		}
+	}
+}
+
+func (c *Client) handleDownApp(payload []byte) {
+	var head struct {
+		Type string `json:"type"`
+	}
+	if err := unmarshalJSON(payload, &head); err != nil {
+		return
+	}
+	switch head.Type {
 	case "msg":
 		c.handleMsg(payload)
 	case "receipt":