fix(f6.9): load PDF and image converters in production runtime

api-v3/src/inspection-reports/inspection-act-pdf-builder.ts

@@ -1,7 +1,7 @@
 import { createHash } from 'node:crypto';
 import { existsSync } from 'node:fs';
 import { resolve } from 'node:path';
-import PDFDocument from 'pdfkit';
+import PDFDocument = require('pdfkit');
 
 export interface ActPdfImage {
   id: string;

api-v3/src/inspection-reports/inspection-document-images.ts

@@ -1,4 +1,4 @@
-import sharp from 'sharp';
+const sharp = require('sharp') as typeof import('sharp').default;
 
 // PDFKit and the Word image renderer accept JPEG/PNG. The source bytes and
 // their recorded SHA-256 remain untouched; WebP is only converted for display.