fix: service worker cache busting — unregister old sw on load, bump cache version, stop caching HTML

- Bump sw.js cache from v2 to v3
- Unregister all old service workers on page load
- Stop caching HTML/navigation (caused stale CSS refs after rebuild)

src/app/(site)/settings/page.tsx

@@ -67,7 +67,7 @@ export default async function SettingsPage() {
 						<div>
 							<h1
 								className="text-lg font-black tracking-tight"
-								style={{ color: "var(--color-text-readable)", fontFamily: "var(--font-pixel)" }}
+								style={{ color: "var(--color-text-readable)", fontFamily: "var(--font-nunito)" }}
 							>
 								{t("accountSettings")}
 							</h1>
@@ -94,7 +94,7 @@ export default async function SettingsPage() {
 						}}
 					>
 						<Image src="/assets/images/icons/navigation/me.png" alt="" width={18} height={18} unoptimized />
-						<h2 className="text-sm font-bold text-white" style={{ fontFamily: "var(--font-pixel)" }}>
+						<h2 className="text-sm font-bold text-white" style={{ fontFamily: "var(--font-nunito)" }}>
 							{t("publicProfile")}
 						</h2>
 					</div>
@@ -144,7 +144,7 @@ export default async function SettingsPage() {
 						}}
 					>
 						<Image src="/assets/images/icons/star.gif" alt="" width={18} height={18} unoptimized />
-						<h2 className="text-sm font-bold text-white" style={{ fontFamily: "var(--font-pixel)" }}>
+						<h2 className="text-sm font-bold text-white" style={{ fontFamily: "var(--font-nunito)" }}>
 							{t("changeMotto")}
 						</h2>
 					</div>
@@ -206,7 +206,7 @@ export default async function SettingsPage() {
 						}}
 					>
 						<Image src="/assets/images/icons/navigation/goody.png" alt="" width={18} height={18} unoptimized />
-						<h2 className="text-sm font-bold text-white" style={{ fontFamily: "var(--font-pixel)" }}>
+						<h2 className="text-sm font-bold text-white" style={{ fontFamily: "var(--font-nunito)" }}>
 							{t("securityTitle")}
 						</h2>
 					</div>