chore: upgrade TypeScript 4.9 to 5.9, ESLint 8.29 to 8.57, @typescript-eslint 5 to 7

Resolves all TS2345/TS2347/TS7006 type errors introduced by stricter TypeScript 5.x.
Fix Icons.Settings to Icons.Setting, cast account data returns, fix implicit any.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/plugins/pdfjs-dist.ts

@@ -42,6 +42,7 @@ export const createPage = async (
   canvas.height = pageViewport.height;
 
   page.render({
+    canvas,
     canvasContext: context,
     viewport: pageViewport,
   });