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

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

src/interfaces/http/controllers/upload-controller.ts

@@ -1,6 +1,9 @@
 import { createWriteStream } from 'node:fs';
 import { nanoid } from 'nanoid';
 import { config } from '../../../config/index';
+import { findFileByHash } from '../../../db/files';
+import logger from '../../../shared/logger/index';
+import { metricsCollector } from '../../../shared/metrics/index';
 import {
   buildUploadResponse,
   checkFileSize,
@@ -11,11 +14,8 @@ import {
   getErrorMessage,
   getFileType,
 } from '../../../shared/utils/file';
-import logger from '../../../shared/logger/index';
-import { metricsCollector } from '../../../shared/metrics/index';
-import { enqueuePreparedUpload, type PreparedUpload } from '../../../utils/uploadBatcher';
 import { storeFileInTelegramChunks } from '../../../utils/chunked-storage';
-import { findFileByHash } from '../../../db/files';
+import { enqueuePreparedUpload, type PreparedUpload } from '../../../utils/uploadBatcher';
 
 /**
  * Maximum allowed size (in bytes) for a base64 JSON upload.
@@ -399,4 +399,4 @@ export const handleUpload = async (req: Request): Promise<Response> => {
   } finally {
     metricsCollector.recordUploadTime(performance.now() - startTime);
   }
-};
+};