refactor: 重构消息类型的初始化逻辑，新增各消息类型的构造函数以提高代码可读性和可维护性

message/at.go

@@ -18,10 +18,14 @@ type AtMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeAt, func() CQMessage {
-		return &AtMessage{Type: TypeAt}
+		return NewAtMessage()
 	})
 }
 
+func NewAtMessage() *AtMessage {
+	return &AtMessage{Type: TypeAt}
+}
+
 func (msg *AtMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/contact.go

@@ -19,10 +19,14 @@ type ContactMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeContact, func() CQMessage {
-		return &ContactMessage{Type: TypeContact}
+		return NewContactMessage()
 	})
 }
 
+func NewContactMessage() *ContactMessage {
+	return &ContactMessage{Type: TypeContact}
+}
+
 func (msg *ContactMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/face.go

@@ -18,10 +18,14 @@ type FaceMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeFace, func() CQMessage {
-		return &FaceMessage{Type: TypeFace}
+		return NewFaceMessage()
 	})
 }
 
+func NewFaceMessage() *FaceMessage {
+	return &FaceMessage{Type: TypeFace}
+}
+
 func (msg *FaceMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/file.go

@@ -24,10 +24,14 @@ type FileMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeFile, func() CQMessage {
-		return &FileMessage{Type: TypeFile}
+		return NewFileMessage()
 	})
 }
 
+func NewFileMessage() *FileMessage {
+	return &FileMessage{Type: TypeFile}
+}
+
 func (msg *FileMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/forward.go

@@ -32,18 +32,26 @@ type NodeMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeForward, func() CQMessage {
-		return &ForwardMessage{Type: TypeForward}
+		return NewForwardMessage()
 	})
 	RegisterMessageType(TypeNode, func() CQMessage {
-		return &NodeMessage{Type: TypeNode}
+		return NewNodeMessage()
 	})
 }
 
+func NewForwardMessage() *ForwardMessage {
+	return &ForwardMessage{Type: TypeForward}
+}
+
 // ForwardMessage methods
 func (msg *ForwardMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }
 
+func NewNodeMessage() *NodeMessage {
+	return &NodeMessage{Type: TypeNode}
+}
+
 func (msg *ForwardMessage) ToCQString() string {
 	return fmt.Sprintf("[CQ:forward,id=%s]", msg.Data.ID)
 }

message/image.go

@@ -29,13 +29,17 @@ type ImageMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeImage, func() CQMessage {
-		return &ImageMessage{
+		return NewImageMessage()
-			Type: TypeImage,
-			Data: ImageMessageData{},
-		}
 	})
 }
 
+func NewImageMessage() *ImageMessage {
+	return &ImageMessage{
+		Type: TypeImage,
+		Data: ImageMessageData{},
+	}
+}
+
 func (msg *ImageMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/json.go

@@ -18,10 +18,14 @@ type JsonMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeJson, func() CQMessage {
-		return &JsonMessage{Type: TypeJson}
+		return NewJsonMessage()
 	})
 }
 
+func NewJsonMessage() *JsonMessage {
+	return &JsonMessage{Type: TypeJson}
+}
+
 func (msg *JsonMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/lightapp.go

@@ -18,10 +18,14 @@ type LightappMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeLightapp, func() CQMessage {
-		return &LightappMessage{Type: TypeLightapp}
+		return NewLightappMessage()
 	})
 }
 
+func NewLightappMessage() *LightappMessage {
+	return &LightappMessage{Type: TypeLightapp}
+}
+
 func (msg *LightappMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/location.go

@@ -21,10 +21,14 @@ type LocationMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeLocation, func() CQMessage {
-		return &LocationMessage{Type: TypeLocation}
+		return NewLocationMessage()
 	})
 }
 
+func NewLocationMessage() *LocationMessage {
+	return &LocationMessage{Type: TypeLocation}
+}
+
 func (msg *LocationMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/mface.go

@@ -21,10 +21,14 @@ type MfaceMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeMface, func() CQMessage {
-		return &MfaceMessage{Type: TypeMface}
+		return NewMfaceMessage()
 	})
 }
 
+func NewMfaceMessage() *MfaceMessage {
+	return &MfaceMessage{Type: TypeMface}
+}
+
 func (msg *MfaceMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/music.go

@@ -24,10 +24,14 @@ type MusicMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeMusic, func() CQMessage {
-		return &MusicMessage{Type: TypeMusic}
+		return NewMusicMessage()
 	})
 }
 
+func NewMusicMessage() *MusicMessage {
+	return &MusicMessage{Type: TypeMusic}
+}
+
 func (msg *MusicMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/record.go

@@ -24,10 +24,14 @@ type RecordMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeRecord, func() CQMessage {
-		return &RecordMessage{Type: TypeRecord}
+		return NewRecordMessage()
 	})
 }
 
+func NewRecordMessage() *RecordMessage {
+	return &RecordMessage{Type: TypeRecord}
+}
+
 func (msg *RecordMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/reply.go

@@ -18,10 +18,14 @@ type ReplyMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeReply, func() CQMessage {
-		return &ReplyMessage{Type: TypeReply}
+		return NewReplyMessage()
 	})
 }
 
+func NewReplyMessage() *ReplyMessage {
+	return &ReplyMessage{Type: TypeReply}
+}
+
 func (msg *ReplyMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/share.go

@@ -21,10 +21,14 @@ type ShareMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeShare, func() CQMessage {
-		return &ShareMessage{Type: TypeShare}
+		return NewShareMessage()
 	})
 }
 
+func NewShareMessage() *ShareMessage {
+	return &ShareMessage{Type: TypeShare}
+}
+
 func (msg *ShareMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/text.go

@@ -16,10 +16,14 @@ type TextMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeText, func() CQMessage {
-		return &TextMessage{Type: TypeText}
+		return NewTextMessage()
 	})
 }
 
+func NewTextMessage() *TextMessage {
+	return &TextMessage{Type: TypeText}
+}
+
 func (msg *TextMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }

message/video.go

@@ -25,10 +25,14 @@ type VideoMessageData struct {
 
 func init() {
 	RegisterMessageType(TypeVideo, func() CQMessage {
-		return &VideoMessage{Type: TypeVideo}
+		return NewVideoMessage()
 	})
 }
 
+func NewVideoMessage() *VideoMessage {
+	return &VideoMessage{Type: TypeVideo}
+}
+
 func (msg *VideoMessage) SetData(data json.RawMessage) error {
 	return json.Unmarshal(data, &msg.Data)
 }