fix: 仅向已握手连接推送并拆分调度循环

internal/app/message/delivery_test.go

@@ -57,7 +57,7 @@ func (e *deliveryEnv) setNow(ms int64) {
 }
 
 func (e *deliveryEnv) online(id string, connID port.ConnID) {
-	e.conns.Set(id, LiveConn{ConnID: connID, MaxReceiveBytes: 0, MaxPacketSize: 0})
+	e.conns.Set(id, LiveConn{ConnID: connID, MaxReceiveBytes: 0, MaxPacketSize: 0, Ready: true})
 }
 
 func (e *deliveryEnv) deliveryState(seq int64, endpointID string) (state, reason string) {
@@ -586,7 +586,7 @@ func TestDeliveryStateMachine(t *testing.T) {
 		e := openDeliveryEnv(t, nil)
 		insertEndpoint(t, e.db, "alice", "", 1, 0)
 		insertEndpoint(t, e.db, "bob", "", 1, 0)
-		e.conns.Set("bob", LiveConn{ConnID: "c-bob", MaxReceiveBytes: 50})
+		e.conns.Set("bob", LiveConn{ConnID: "c-bob", MaxReceiveBytes: 50, Ready: true})
 		ctx := context.Background()
 		req := baseSend("big1", "bob")
 		req.Body.Data = string(make([]byte, 200))