fix(MultiModalModel): Lazy-load SmartPdf and guard document processing across providers; ensure SmartPdf is initialized only when needed

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartai',
-  version: '0.7.6',
+  version: '0.7.7',
   description: 'SmartAi is a versatile TypeScript library designed to facilitate integration and interaction with various AI models, offering functionalities for chat, audio generation, document processing, and vision tasks.'
 }