Format entire codebase with Prettier (mechanical, no behavior change)

src/app/components/SnippetLibrary.tsx

@@ -16,7 +16,11 @@ function relativeDate(iso: string): string {
   const now = new Date();
   const startOfToday = new Date(now.getFullYear(), now.getMonth(), now.getDate());
   const dayMs = 24 * 60 * 60 * 1000;
-  const days = Math.floor((startOfToday.getTime() - new Date(then.getFullYear(), then.getMonth(), then.getDate()).getTime()) / dayMs);
+  const days = Math.floor(
+    (startOfToday.getTime() -
+      new Date(then.getFullYear(), then.getMonth(), then.getDate()).getTime()) /
+      dayMs,
+  );
   if (days <= 0) return 'Today';
   if (days === 1) return 'Yesterday';
   if (days < 7) return `${days}d ago`;

src/app/components/ThemeToggle.tsx

@@ -17,7 +17,17 @@ import styles from './ThemeToggle.module.css';
 
 function MoonIcon() {
   return (
-    <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
+    <svg
+      width="18"
+      height="18"
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      strokeWidth="2"
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      aria-hidden="true"
+    >
       <path d="M21 12.8A9 9 0 1 1 11.2 3a7 7 0 0 0 9.8 9.8z" />
     </svg>
   );
@@ -25,7 +35,17 @@ function MoonIcon() {
 
 function SunIcon() {
   return (
-    <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
+    <svg
+      width="18"
+      height="18"
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      strokeWidth="2"
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      aria-hidden="true"
+    >
       <circle cx="12" cy="12" r="4.5" />
       <path d="M12 2v2M12 20v2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M2 12h2M20 12h2M4.9 19.1l1.4-1.4M17.7 6.3l1.4-1.4" />
     </svg>