docs: update test coverage reports

- Updated coverage reports from latest test run
- Coverage: 82.17% statements, 69.79% branches, 70.58% functions
- 121 passing tests (1 skipped) across 14 test suites
- Verified accurate test coverage claims

Author: nolindnaidoo

coverage/index.html

@@ -146,7 +146,7 @@ <h1>All files</h1>
             <div class='footer quiet pad2 space-top1 center small'>
                 Code coverage generated by
                 <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
-                at 2025-10-15T02:19:34.926Z
+                at 2025-10-15T15:02:57.508Z
             </div>
         <script src="prettify.js"></script>
         <script>