chore: CSP script nonces, deploy health check, dead-code cleanup

Add per-request CSP nonces (drop script unsafe-inline), post-deploy /api/health gate, bump next-auth to beta.32, and remove unused motion/cache/permission helpers.

Co-authored-by: Cursor <[email protected]>

src/components/motion-reveal.tsx

@@ -22,34 +22,3 @@ export function Reveal({ children, className, delay = 0 }: RevealProps) {
 		</motion.div>
 	);
 }
-
-export function RevealStagger({ children, className }: RevealProps) {
-	return (
-		<motion.div
-			className={className}
-			initial="hidden"
-			whileInView="visible"
-			viewport={{ once: true, margin: "-50px" }}
-			variants={{
-				hidden: {},
-				visible: { transition: { staggerChildren: 0.08, delayChildren: 0.05 } },
-			}}
-		>
-			{children}
-		</motion.div>
-	);
-}
-
-export function RevealItem({ children, className }: RevealProps) {
-	return (
-		<motion.div
-			className={className}
-			variants={{
-				hidden: { opacity: 0, y: 20 },
-				visible: { opacity: 1, y: 0, transition: { duration: 0.35 } },
-			}}
-		>
-			{children}
-		</motion.div>
-	);
-}