release: sync main with dev (about editor, journal template, icon cleanup) (#449)

Brings `main` up to `dev` after #448 realigned the two branches.

`main` had #431 (portfolio features) but was missing everything that
landed on `dev` since:

- #443 — journal sample story ships as a template, not a live entry
- #445 — last emojis in the public frontend replaced with SVG icons
- #446 — About page toggle + content editor in the admin (@lancetm714's
work, rebased)
- #448 — the merge of `main` into `dev`, resolving the `Icons.tsx` split
and porting `IconEyeOff` into the shared icon file

After this merge both branches carry the same tree. CI on #448
(type-check + tests) passed on the merged state.

---------

Co-authored-by: ralksta <ralksta@users.noreply.github.com>
Co-authored-by: lancetm714 <108419425+lancetm714@users.noreply.github.com>

components/Lightbox.tsx

@@ -18,6 +18,7 @@ import { useExif } from '@/hooks/useExif';
 import { useSwipe } from '@/hooks/useSwipe';
 import styles from './Lightbox.module.css';
 import { useProofing } from './ProofingContext';
+import { IconHeart } from './Icons';
 
 export interface LightboxWatermark {
   enabled?: boolean;
@@ -299,7 +300,8 @@ export function Lightbox({
           aria-label={isFav ? 'Remove from favorites' : 'Add to favorites'}
           title={isFav ? 'Remove from favorites' : 'Add to favorites'}
         >
-          {isFav ? '❤️ Saved' : '🤍 Favorite'}
+          <IconHeart size={14} fill={isFav ? 'currentColor' : 'none'} aria-hidden="true" />
+          {isFav ? 'Saved' : 'Favorite'}
         </button>
       )}