fix(geschichten): widen list meta column so text-sm names fit

The author column stayed at w-28 after the typography bump, wrapping
names into a cramped two-line stack. w-40 gives name and date one
comfortable line each at the full-width layout.

Refs #802
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

frontend/src/lib/geschichte/GeschichteListRow.svelte

@@ -24,7 +24,7 @@ const authorName = $derived(formatAuthorName(geschichte.author));
 	class="group flex min-h-[44px] transition-colors hover:bg-canvas/60 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring"
 >
 	<!-- Meta column (desktop) -->
-	<div class="hidden w-28 shrink-0 flex-col items-start gap-1 border-r border-line-2 p-3 sm:flex">
+	<div class="hidden w-40 shrink-0 flex-col items-start gap-1 border-r border-line-2 p-3 sm:flex">
 		<span
 			aria-hidden="true"
 			class="flex h-7 w-7 items-center justify-center rounded-full font-sans text-[9px] font-bold text-white"