feat: persist settings and enrich conversation context

tests/dashboard/media.test.tsx

@@ -89,6 +89,9 @@ describe('media page', () => {
 
     const aliceImage = await screen.findByRole('img', { name: 'Media from alice' });
     const charlieImage = screen.getByRole('img', { name: 'Media from charlie' });
+    for (const profileLink of screen.getAllByRole('link', { name: 'alice' })) {
+      expect(profileLink).toHaveAttribute('href', 'https://www.reddit.com/u/alice');
+    }
     expect(aliceImage).toHaveClass('is-blurred');
     expect(charlieImage).toHaveClass('is-blurred');
     expect(credentials.every((value) => value === 'same-origin')).toBe(true);