feat(geschichten): add Entwürfe section above published list for blog writers

Drafts appear in a separate unfiltered section at the top of the overview,
clearly separated by a divider and labelled with the draft badge on each row.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/routes/geschichten/+page.svelte

@@ -133,7 +133,26 @@ function removeDocument() {
 			</div>
 		{/if}
 
-		<!-- Rows -->
+		<!-- Entwürfe section (blog writers only, unfiltered) -->
+		{#if data.drafts.length > 0}
+			<div class="border-b-2 border-line">
+				<h2 class="px-3 pt-3 pb-1 font-sans text-xs font-bold tracking-widest text-ink-3 uppercase">
+					{m.geschichten_drafts_heading()}
+					<span class="ml-1 font-normal text-ink-3 normal-case"
+						>{m.geschichten_drafts_unfiltered_caption()}</span
+					>
+				</h2>
+				<ul>
+					{#each data.drafts as g (g.id)}
+						<li class="border-b border-line-2 last:border-b-0">
+							<GeschichteListRow geschichte={g} />
+						</li>
+					{/each}
+				</ul>
+			</div>
+		{/if}
+
+		<!-- Published rows -->
 		{#if data.geschichten.length === 0}
 			<div class="px-4 py-12 text-center font-serif text-sm text-ink-3 italic">
 				{emptyMessage}