feat(core): improve in-memory validation, FatturaPA detection coverage, and published type compatibility

ts/plugins.ts

@@ -21,15 +21,14 @@ import {
 } from 'pdf-lib';
 
 // XML-related imports
-import { DOMParser, XMLSerializer } from 'xmldom';
-import * as xmldom from 'xmldom';
+import { DOMParser, XMLSerializer, xmldom } from './vendor/xmldom.js';
 import * as xpath from 'xpath';
 
 // XSLT/Schematron imports
-import * as SaxonJS from 'saxon-js';
+import { SaxonJS } from './vendor/saxonjs.js';
 
 // Compression-related imports
-import * as pako from 'pako';
+import { pako } from './vendor/pako.js';
 
 // Business model imports
 import { business, finance, general } from '@tsclass/tsclass';