refactor(data): merge DTO models into schemas

src/data/schemas/chat/request/send_message_request.ts

@@ -25,3 +25,33 @@ export const SendMessageRequestSchema = z.object({
 
 export type SendMessageRequestInput = z.input<typeof SendMessageRequestSchema>;
 export type SendMessageRequestData = z.output<typeof SendMessageRequestSchema>;
+
+export class SendMessageRequest {
+  declare readonly characterId: string;
+  declare readonly message: string;
+  declare readonly image: string;
+  declare readonly imageId: string;
+  declare readonly imageThumbUrl: string;
+  declare readonly imageMediumUrl: string;
+  declare readonly imageOriginalUrl: string;
+  declare readonly imageWidth: number;
+  declare readonly imageHeight: number;
+
+  private constructor(input: SendMessageRequestInput) {
+    const data = SendMessageRequestSchema.parse(input);
+    Object.assign(this, data);
+    Object.freeze(this);
+  }
+
+  static from(input: SendMessageRequestInput): SendMessageRequest {
+    return new SendMessageRequest(input);
+  }
+
+  static fromJson(json: unknown): SendMessageRequest {
+    return SendMessageRequest.from(json as SendMessageRequestInput);
+  }
+
+  toJson(): SendMessageRequestData {
+    return SendMessageRequestSchema.parse(this);
+  }
+}