feat(v1.4.0): exports + smart year level + progress + encrypted passwords

v1.4.0: CSV/Excel/JSON/NextUp exports, units-first smart year standing, live export progress bar, AES-GCM at-rest password encryption.

manifest.json

@@ -1,12 +1,12 @@
 {
   "manifest_version": 3,
   "name": "ISMIS Helper",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "Auto-login, auto-accept privacy policy, and Study Load PDF for the USC ISMIS portal.",
   "permissions": ["storage", "downloads"],
   "host_permissions": ["https://ismis.usc.edu.ph/*"],
   "background": {
-    "scripts": ["libs/fontkit.min.js", "libs/pdf-lib.min.js", "pdf.js", "background.js"]
+    "scripts": ["libs/fontkit.min.js", "libs/pdf-lib.min.js", "pdf.js", "export-csv.js", "export-json.js", "export-xlsx.js", "background.js"]
   },
   "content_scripts": [
     {