fix: force-reload ONLYOFFICE API.js each session + Date.now for truly unique doc key

renderer/carbone-templates/registry.json

@@ -6,6 +6,6 @@
     "originalName": "master_cv_template.docx",
     "path": "/root/workspace/cv-app/renderer/carbone-templates/433a0593-d3cf-414e-8763-ab5f87cbc75c.docx",
     "uploadedAt": "2026-07-16T09:03:29.601Z",
-    "updatedAt": "2026-07-16T11:23:15.854Z"
+    "updatedAt": "2026-07-16T11:52:26.701Z"
   }
 ]

renderer/onlyoffice-service.js

@@ -143,7 +143,8 @@ router.get('/:templateId/config', (req, res) => {
   // Get file modification time for cache-busting doc key
   const fileStats = fs.statSync(template.path);
   const fileMtime = fileStats.mtimeMs;
-  const docKey = generateDocKey(templateId, fileMtime);
+  // Use Date.now() as the primary uniqueness driver — guaranteed fresh every time
+  const docKey = generateDocKey(templateId, Date.now());
   const fileName = template.originalName || template.name + '.docx';
   
   // Add file mtime as cache-buster to the document URL so ONLYOFFICE