diff --git a/backend/src/api/admin.ts b/backend/src/api/admin.ts
index 72ac85f..43c6dcd 100644
--- a/backend/src/api/admin.ts
+++ b/backend/src/api/admin.ts
@@ -3,7 +3,7 @@ import * as settingsDb from '../storage/db/settings.js';
 import * as sourcesDb from '../storage/db/sources.js';
 import * as eventsDb from '../storage/db/events.js';
 import * as categoriesDb from '../storage/db/categories.js';
-import { clearSourceContent, clearAllArticles, clearAllMedia } from '../storage/contentCascade.js';
+import { clearSourceContent, reissueSourceContent, clearAllArticles, clearAllMedia } from '../storage/contentCascade.js';
 import { OllamaProvider } from '../inference/ollama-provider.js';
 import { pollSourceNow } from '../ingestion/poller.js';
 import { logger, listLogs } from '../storage/db/logs.js';
@@ -95,6 +95,17 @@ export async function registerAdminRoutes(app: FastifyInstance) {
 		return { ingested, source: sourcesDb.getSource(id) };
 	});
 
+	// Deletes this source's already-published articles and requeues their raw items for
+	// re-publish (see contentCascade.reissueSourceContent) — for picking up pipeline
+	// changes (e.g. a new tweet card layout) without waiting on the feed to resurface
+	// the same items again.
+	app.post('/api/admin/sources/:id/reissue', async (req, reply) => {
+		const { id } = req.params as { id: string };
+		const source = sourcesDb.getSource(id);
+		if (!source) return reply.code(404).send({ error: 'not found' });
+		return reissueSourceContent(id);
+	});
+
 	// --- Tracked events ---
 	app.get('/api/admin/events', async () => eventsDb.listEvents());
 
diff --git a/backend/src/storage/contentCascade.ts b/backend/src/storage/contentCascade.ts
index eea9bca..3757245 100644
--- a/backend/src/storage/contentCascade.ts
+++ b/backend/src/storage/contentCascade.ts
@@ -15,6 +15,11 @@ export interface ClearResult {
 	articlesDeleted: number;
 }
 
+export interface ReissueResult {
+	articlesDeleted: number;
+	itemsRequeued: number;
+}
+
 /**
  * Removes every raw content item ingested from a source, plus any merged article that
  * was composed entirely from that source's items (so it doesn't linger on the site
@@ -44,6 +49,43 @@ export function clearSourceContent(sourceId: string): ClearResult {
 	return { itemsDeleted: itemIds.size, articlesDeleted };
 }
 
+/**
+ * Deletes a source's already-published articles (and their media) so they can be
+ * republished fresh through the current pipeline — unlike clearSourceContent, the raw
+ * content_items are kept, since Twitter/RSS feeds don't reliably keep serving the same
+ * historical items on the next poll. Reset cluster_id is what makes an item eligible
+ * again: the next scheduler tick (poll or synthesis, within about a minute) picks it up
+ * and re-publishes it exactly like a newly-ingested item.
+ *
+ * Same restriction as clearSourceContent: an article merged from this source's items
+ * together with other sources' is left alone entirely (and its items stay clustered) —
+ * there's no supported way to un-merge just one contributor's share back out of it.
+ */
+export function reissueSourceContent(sourceId: string): ReissueResult {
+	const items = contentItemsDb.itemsForSource(sourceId);
+	const itemIds = new Set(items.map((i) => i.id));
+
+	let articlesDeleted = 0;
+	const requeueIds = new Set<string>();
+	if (itemIds.size > 0) {
+		for (const article of articlesDb.allArticlesNewestFirst()) {
+			if (article.sources.length > 0 && article.sources.every((s) => itemIds.has(s.itemId))) {
+				deleteMediaByArticleId(article.id);
+				articlesDb.deleteArticle(article.id);
+				articlesDeleted++;
+				for (const s of article.sources) requeueIds.add(s.itemId);
+			}
+		}
+	}
+
+	contentItemsDb.resetClusterForItems([...requeueIds]);
+	logger.info(
+		'admin',
+		`Reissuing content for source ${sourceId}: ${articlesDeleted} article(s) deleted, ${requeueIds.size} item(s) requeued`
+	);
+	return { articlesDeleted, itemsRequeued: requeueIds.size };
+}
+
 /** Wipes every published article and its media, keeping raw ingested items intact so they can be re-synthesized fresh. */
 export function clearAllArticles(): number {
 	const articles = articlesDb.allArticlesNewestFirst();
diff --git a/backend/src/storage/db/contentItems.ts b/backend/src/storage/db/contentItems.ts
index f4942b2..471afdd 100644
--- a/backend/src/storage/db/contentItems.ts
+++ b/backend/src/storage/db/contentItems.ts
@@ -85,6 +85,12 @@ export function assignCluster(ids: string[], clusterId: string) {
 	for (const id of ids) stmt.run(clusterId, id);
 }
 
+/** Clears cluster_id back to NULL, making these items eligible for re-publish on the next poll/synthesis tick. */
+export function resetClusterForItems(ids: string[]) {
+	const stmt = db.prepare('UPDATE content_items SET cluster_id = NULL WHERE id = ?');
+	for (const id of ids) stmt.run(id);
+}
+
 export function itemsByCluster(clusterId: string): ContentItem[] {
 	const rows = db.prepare('SELECT * FROM content_items WHERE cluster_id = ?').all(clusterId);
 	return rows.map(rowToItem);
diff --git a/frontend/src/lib/adminApi.ts b/frontend/src/lib/adminApi.ts
index c0c1ca6..5ee90b4 100644
--- a/frontend/src/lib/adminApi.ts
+++ b/frontend/src/lib/adminApi.ts
@@ -85,6 +85,11 @@ export const deleteSource = (id: string, fetchFn?: typeof fetch) =>
 export const pollSourceNow = (id: string, fetchFn?: typeof fetch) =>
 	request<{ ingested: number; source: AdminSource }>(`/api/admin/sources/${id}/poll`, { method: 'POST' }, fetchFn);
 
+// Deletes this source's published articles and requeues their raw items for republish —
+// picks up pipeline changes without needing the feed to resurface the same items.
+export const reissueSourceContent = (id: string, fetchFn?: typeof fetch) =>
+	request<{ articlesDeleted: number; itemsRequeued: number }>(`/api/admin/sources/${id}/reissue`, { method: 'POST' }, fetchFn);
+
 // Content clearing — wipe articles/media/a source's raw items so they can be repopulated fresh.
 export const clearSourceContent = (id: string, fetchFn?: typeof fetch) =>
 	request<{ itemsDeleted: number; articlesDeleted: number }>(`/api/admin/content/sources/${id}`, { method: 'DELETE' }, fetchFn);
diff --git a/frontend/src/lib/components/admin/SourcesTab.svelte b/frontend/src/lib/components/admin/SourcesTab.svelte
index bb83676..b6b73af 100644
--- a/frontend/src/lib/components/admin/SourcesTab.svelte
+++ b/frontend/src/lib/components/admin/SourcesTab.svelte
@@ -1,6 +1,6 @@
 <script lang="ts">
 	import type { AdminSource, CategoryPriority } from '$lib/adminTypes';
-	import { addSource, deleteSource, updateSource, pollSourceNow, clearSourceContent } from '$lib/adminApi';
+	import { addSource, deleteSource, updateSource, pollSourceNow, clearSourceContent, reissueSourceContent } from '$lib/adminApi';
 
 	let { sources: initial, categories }: { sources: AdminSource[]; categories: CategoryPriority[] } = $props();
 	let sources = $state([...initial]);
@@ -8,8 +8,10 @@
 	let editingId = $state<string | null>(null);
 	let pollingId = $state<string | null>(null);
 	let clearingId = $state<string | null>(null);
+	let reissuingId = $state<string | null>(null);
 	let justPolled = $state<{ id: string; count: number } | null>(null);
 	let justCleared = $state<{ id: string; items: number; articles: number } | null>(null);
+	let justReissued = $state<{ id: string; articles: number; items: number } | null>(null);
 
 	// "Top stories" isn't a real filterable tag — it's the homepage's all-categories,
 	// chronological view (see /api/feed's no-filter default and +layout.svelte's nav
@@ -118,6 +120,26 @@
 		}
 	}
 
+	async function handleReissue(source: AdminSource) {
+		if (
+			!confirm(
+				`Republish "${source.name}"'s content fresh? Its already-published articles will be deleted and rebuilt from the same raw items using the current pipeline — nothing is re-fetched from the feed. Articles merged with other sources are left alone.`
+			)
+		)
+			return;
+		reissuingId = source.id;
+		justReissued = null;
+		try {
+			const { articlesDeleted, itemsRequeued } = await reissueSourceContent(source.id);
+			justReissued = { id: source.id, articles: articlesDeleted, items: itemsRequeued };
+			setTimeout(() => {
+				if (justReissued?.id === source.id) justReissued = null;
+			}, 4000);
+		} finally {
+			reissuingId = null;
+		}
+	}
+
 	async function toggleEnabled(source: AdminSource) {
 		const updated = await updateSource(source.id, { enabled: !source.enabled });
 		sources = sources.map((s) => (s.id === source.id ? updated : s));
@@ -233,14 +255,16 @@
 			</button>
 			<div>
 				<div class="name">{source.name}</div>
-				{#if justCleared?.id === source.id || justPolled?.id === source.id || source.lastError}
+				{#if justCleared?.id === source.id || justReissued?.id === source.id || justPolled?.id === source.id || source.lastError}
 					<div
 						class="sub"
-						class:error={source.lastError && !justPolled && !justCleared}
-						class:success={justPolled?.id === source.id || justCleared?.id === source.id}
+						class:error={source.lastError && !justPolled && !justCleared && !justReissued}
+						class:success={justPolled?.id === source.id || justCleared?.id === source.id || justReissued?.id === source.id}
 					>
 						{#if justCleared?.id === source.id}
 							✓ cleared {justCleared.items} item(s), {justCleared.articles} article(s)
+						{:else if justReissued?.id === source.id}
+							✓ deleted {justReissued.articles} article(s), requeued {justReissued.items} item(s) — republishing within ~1 min
 						{:else if justPolled?.id === source.id}
 							{justPolled.count > 0 ? `✓ ${justPolled.count} new item(s)` : '✓ up to date, nothing new'}
 						{:else if source.lastError}
@@ -273,6 +297,14 @@
 				>
 					⟲
 				</button>
+				<button
+					class="icon-btn"
+					onclick={() => handleReissue(source)}
+					disabled={reissuingId === source.id}
+					title="Reissue: delete published articles and republish from the same raw items"
+				>
+					🔁
+				</button>
 				<button class="icon-btn danger" onclick={() => handleDelete(source.id)} title="Delete">✕</button>
 			</div>
 		</div>