chore: fix lint errors — duplicate import, unused imports, formatting

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

src/domain/ports/multipart-repository.ts

@@ -1,4 +1,4 @@
-import type { MultipartUpload, MultipartPart } from '../entities/multipart';
+import type { MultipartPart, MultipartUpload } from '../entities/multipart';
 
 /**
  * Repository interface for S3 multipart upload persistence.

src/domain/ports/telegram-service.ts

@@ -39,11 +39,7 @@ export interface ITelegramService {
    * @param fileType - The file type classification (e.g. "photo", "document").
    * @returns The Telegram identifiers of the stored file.
    */
-  forwardToStorage(
-    fileChunk: unknown,
-    fileName: string,
-    fileType: string,
-  ): Promise<ForwardResult>;
+  forwardToStorage(fileChunk: unknown, fileName: string, fileType: string): Promise<ForwardResult>;
 
   /**
    * Retrieve file metadata from Telegram by file ID.