feat: AI 对话支持 A2UI 表单/审查/图表与 Agent 工具

apps/server/src/ai-chat/ai-attachment.service.ts

@@ -28,14 +28,6 @@ const ACCEPTED_MIME_TYPES = new Set([
   'application/vnd.openxmlformats-officedocument.presentationml.presentation',
 ]);
 
-interface MammothResult {
-  value: string;
-}
-
-interface MammothModule {
-  extractRawText(input: { buffer: Buffer }): Promise<MammothResult>;
-}
-
 export interface AiAttachmentModelPart {
   attachment: AiAttachment;
   text?: string;
@@ -218,7 +210,7 @@ export class AiAttachmentService {
       }
     }
     if (mimeType.includes('wordprocessingml')) {
-      const mammoth = (await import('mammoth')) as unknown as MammothModule;
+      const mammoth = await import('mammoth');
       const result = await mammoth.extractRawText({ buffer });
       return this.normalizeExtractedText(result.value);
     }