Fix flaky navigation test in CI

- Add assertion that href is an internal link
- Use cy.location('pathname') instead of cy.url() to avoid
  waiting for full page load event
- Increase timeout to 60s for slow CI environments

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: kylemclaren

cypress/e2e/features/link-cards.cy.ts

@@ -18,8 +18,10 @@ describe('LinkCards', () => {
       .first()
       .then(($link) => {
         const href = $link.attr('href');
+        // Verify href exists and is an internal link
+        expect(href).to.match(/^\//);
         cy.wrap($link).click();
-        cy.url().should('include', href);
+        cy.location('pathname', { timeout: 60000 }).should('include', href);
       });
   });
 });