feat: add Code-style voice composer to current Agents trial

electron/services/cloud-agents.ts

@@ -49,6 +49,7 @@ const MESSAGES: Record<string, string> = {
   knowledge_processing: '知识库有文档正在处理，请完成后再维护',
   agent_archived: '请先从归档恢复智能体，再启用',
   attachment_too_large: '附件最大支持 5 MB',
+  attachment_invalid: '附件内容或文件名称无效，请重新选择文件',
   avatar_too_large: '头像图片不能超过 5 MB',
   avatar_invalid: '请选择有效的 PNG、JPEG、WebP 或 GIF 图片（最大 5 MB）',
   download_failed: '文件保存失败，请重试',
@@ -489,8 +490,46 @@ export class CloudAgentsModule {
   }
 
   async upload(): Promise<CloudUpload | null> {
+    const binding = getWorksSquareAccountBinding();
+    if (!binding) throw new CloudAgentsError(401, 'session_expired');
     const body = await this.pickUpload();
+    this.requireCurrent(binding);
     if (!body) return null;
+    const result = await this.uploadTemporaryAttachment(body);
+    this.requireCurrent(binding);
+    return result;
+  }
+
+  async uploadBytes(value: unknown): Promise<CloudUpload> {
+    const binding = getWorksSquareAccountBinding();
+    if (!binding) throw new CloudAgentsError(401, 'session_expired');
+    const input = record(value);
+    const limit = 5 * 1024 * 1024;
+    if (Object.keys(input).some(key => !['bytesBase64', 'fileName', 'mimeType'].includes(key))
+      || typeof input.fileName !== 'string' || !input.fileName.trim() || input.fileName.length > 255
+      || /[\\/]/.test(input.fileName) || Array.from(input.fileName).some(char => char.charCodeAt(0) < 32 || char.charCodeAt(0) === 127)
+      || ['.', '..'].includes(input.fileName)
+      || typeof input.mimeType !== 'string' || input.mimeType.length > 127
+      || !/^[a-zA-Z0-9][a-zA-Z0-9!#$&^_.+-]*\/[a-zA-Z0-9][a-zA-Z0-9!#$&^_.+-]*$/.test(input.mimeType)
+      || typeof input.bytesBase64 !== 'string' || !input.bytesBase64) {
+      throw new CloudAgentsError(422, 'attachment_invalid', 'definitive_failure');
+    }
+    if (input.bytesBase64.length > Math.ceil(limit / 3) * 4) throw new CloudAgentsError(422, 'attachment_too_large', 'definitive_failure');
+    if (input.bytesBase64.length % 4 !== 0 || !/^[A-Za-z0-9+/]+={0,2}$/.test(input.bytesBase64)) {
+      throw new CloudAgentsError(422, 'attachment_invalid', 'definitive_failure');
+    }
+    const bytes = Buffer.from(input.bytesBase64, 'base64');
+    if (!bytes.length || bytes.toString('base64') !== input.bytesBase64) throw new CloudAgentsError(422, 'attachment_invalid', 'definitive_failure');
+    if (bytes.length > limit) throw new CloudAgentsError(422, 'attachment_too_large', 'definitive_failure');
+    const body = new FormData();
+    body.append('file', new Blob([new Uint8Array(bytes)], { type: input.mimeType }), input.fileName);
+    this.requireCurrent(binding);
+    const result = await this.uploadTemporaryAttachment(body);
+    this.requireCurrent(binding);
+    return result;
+  }
+
+  private async uploadTemporaryAttachment(body: FormData): Promise<CloudUpload> {
     const result = record(await this.request('/api/makelore/attachments/tmp', 'POST', body));
     return {
       object_name: textField(result.object_name, 2048), file_name: textField(result.file_name, 255),