chore(lint): remove dead eslint-disable directives

The project lints with Biome only, so none of these 78 directives across 57
files ever suppressed anything. Directives that carried the rationale for a
flagged dynamic index access keep that rationale as a plain comment.

src/components/public/photo-lightbox.tsx

@@ -29,7 +29,7 @@ export function PhotoLightbox({ photos }: { photos: LightboxPhoto[] }) {
 	// has to hold the overlay itself.
 	const [closing, setClosing] = useState(false);
 	const exitTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
-	// eslint-disable-next-line security/detect-object-injection -- openIndex is numeric array index, guarded by null check
+	// openIndex is numeric array index, guarded by null check
 	const active = openIndex !== null ? photos[openIndex] : null;
 
 	const close = useCallback(() => {
@@ -97,7 +97,6 @@ export function PhotoLightbox({ photos }: { photos: LightboxPhoto[] }) {
 						}}
 						aria-label={p.alt}
 					>
-						{/* eslint-disable-next-line @next/next/no-img-element */}
 						<img
 							src={p.url}
 							alt={p.alt}
@@ -180,7 +179,6 @@ export function PhotoLightbox({ photos }: { photos: LightboxPhoto[] }) {
 							cursor: "default",
 						}}
 					>
-						{/* eslint-disable-next-line @next/next/no-img-element */}
 						<img
 							src={active.url}
 							alt={active.alt}

src/components/public/sprite-font.ts

@@ -59,7 +59,7 @@ function scanCharWidths(
 
 		const w = end - start;
 		if (w > 0) {
-			// eslint-disable-next-line security/detect-object-injection -- ci increments within CHAR_ORDER bounds
+			// ci increments within CHAR_ORDER bounds
 			chars.push({ char: CHAR_ORDER[ci], x: start, w });
 			ci++;
 		}