diff --git a/cmd/server/main.go b/cmd/server/main.go
index f36a87f..aed718e 100644
--- a/cmd/server/main.go
+++ b/cmd/server/main.go
@@ -61,11 +61,15 @@ func main() {
 	wsHandler := handler.NewWSHandler(hub, authService)
 	adminHandler := handler.NewAdminHandler(userRepo, authService)
 
-	// Start background feed fetcher
+	// Start background workers
 	fetcher := worker.NewFeedFetcher(fetchService, 15*time.Minute, 5)
 	fetcher.Start()
 	defer fetcher.Stop()
 
+	cleaner := worker.NewCleaner(articleRepo, 24*time.Hour)
+	cleaner.Start()
+	defer cleaner.Stop()
+
 	// Initialize router
 	r := chi.NewRouter()
 
diff --git a/internal/repository/article.go b/internal/repository/article.go
index 42da6c8..6478e41 100644
--- a/internal/repository/article.go
+++ b/internal/repository/article.go
@@ -521,6 +521,23 @@ func (r *ArticleRepository) UpdateAISummary(id uuid.UUID, summary string) error
 	return nil
 }
 
+// DeleteOldArticles removes articles older than the specified duration, except for favorites.
+func (r *ArticleRepository) DeleteOldArticles(ctx context.Context, olderThan time.Duration) (int64, error) {
+	threshold := time.Now().Add(-olderThan)
+
+	query := `
+		DELETE FROM articles 
+		WHERE created_at < $1 AND is_favorite = false
+	`
+
+	result, err := r.pool.Exec(ctx, query, threshold)
+	if err != nil {
+		return 0, fmt.Errorf("deleting old articles: %w", err)
+	}
+
+	return result.RowsAffected(), nil
+}
+
 // nullString returns nil if string is empty.
 func nullString(s string) *string {
 	if s == "" {
diff --git a/internal/worker/cleaner.go b/internal/worker/cleaner.go
new file mode 100644
index 0000000..a867333
--- /dev/null
+++ b/internal/worker/cleaner.go
@@ -0,0 +1,76 @@
+package worker
+
+import (
+	"context"
+	"log"
+	"sync"
+	"time"
+
+	"github.com/michael/flowreader/internal/repository"
+)
+
+// Cleaner handles periodic database maintenance.
+type Cleaner struct {
+	repo     *repository.ArticleRepository
+	interval time.Duration
+	stopCh   chan struct{}
+	wg       sync.WaitGroup
+}
+
+// NewCleaner creates a new database cleaner worker.
+func NewCleaner(repo *repository.ArticleRepository, interval time.Duration) *Cleaner {
+	return &Cleaner{
+		repo:     repo,
+		interval: interval,
+		stopCh:   make(chan struct{}),
+	}
+}
+
+// Start begins the background maintenance loop.
+func (c *Cleaner) Start() {
+	c.wg.Add(1)
+	go c.run()
+	log.Printf("Maintenance worker started (interval: %s)", c.interval)
+}
+
+// Stop gracefully stops the cleaner.
+func (c *Cleaner) Stop() {
+	close(c.stopCh)
+	c.wg.Wait()
+	log.Println("Maintenance worker stopped")
+}
+
+func (c *Cleaner) run() {
+	defer c.wg.Done()
+
+	// Initial cleanup on startup
+	c.cleanup()
+
+	ticker := time.NewTicker(c.interval)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ticker.C:
+			c.cleanup()
+		case <-c.stopCh:
+			return
+		}
+	}
+}
+
+func (c *Cleaner) cleanup() {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
+	defer cancel()
+
+	// Delete articles older than 30 days
+	count, err := c.repo.DeleteOldArticles(ctx, 30*24*time.Hour)
+	if err != nil {
+		log.Printf("Maintenance cleanup error: %v", err)
+		return
+	}
+
+	if count > 0 {
+		log.Printf("Maintenance: cleaned up %d old articles", count)
+	}
+}
diff --git a/web/src/components/ArticleCard.tsx b/web/src/components/ArticleCard.tsx
index bda4766..cf96d18 100644
--- a/web/src/components/ArticleCard.tsx
+++ b/web/src/components/ArticleCard.tsx
@@ -150,15 +150,14 @@ export function ArticleCard({ article, onClick, onToggleRead, onToggleFavorite }
                     </h2>
 
                     {article.ai_summary ? (
-                        <div className="bg-nature/5 border-l-4 border-nature p-4 rounded-r-lg animate-fade-in relative my-2">
-                            <span className="absolute -top-3 left-2 text-xl filter drop-shadow-sm">✨</span>
-                            <p className="text-paper-white text-sm leading-relaxed font-reading italic">
-                                {article.ai_summary}
-                            </p>
+                        <div className="flex items-center space-x-2 text-nature/80">
+                            <span className="text-sm px-2 py-0.5 bg-nature/10 rounded-full font-medium flex items-center">
+                                <span className="mr-1">✨</span> Smart Digest prêt
+                            </span>
                         </div>
                     ) : article.summary && (
-                        <p className="text-paper-muted/90 text-sm leading-relaxed line-clamp-3 font-reading group-hover:text-paper-white transition-colors">
-                            {article.summary.replace(/<[^>]*>?/gm, '').substring(0, 160)}...
+                        <p className="text-paper-muted/90 text-sm leading-relaxed line-clamp-2 font-reading group-hover:text-paper-white transition-colors">
+                            {article.summary.replace(/<[^>]*>?/gm, '').substring(0, 120)}...
                         </p>
                     )}
 
diff --git a/web/src/components/ReaderView.tsx b/web/src/components/ReaderView.tsx
index f36ae16..5970cc9 100644
--- a/web/src/components/ReaderView.tsx
+++ b/web/src/components/ReaderView.tsx
@@ -1,4 +1,4 @@
-import type { Article } from '../api/articles';
+import { type Article, articlesApi } from '../api/articles';
 
 interface ReaderViewProps {
     article: Article;
@@ -59,9 +59,39 @@ export function ReaderView({ article, onClose, onToggleFavorite }: ReaderViewPro
                             <span>{article.published_at ? new Date(article.published_at).toLocaleDateString('fr-FR', { day: 'numeric', month: 'long', year: 'numeric' }) : 'Aujourd\'hui'}</span>
                         </div>
 
-                        <h1 className="text-4xl md:text-6xl font-serif text-paper-white leading-[1.15] italic-nature tracking-tight">
+                        <h1 className="text-4xl md:text-6xl font-serif text-paper-white leading-[1.15] italic-nature tracking-tight mb-8">
                             {article.title}
                         </h1>
+
+                        {/* Smart Digest Section */}
+                        {article.ai_summary ? (
+                            <div className="bg-nature/5 border-l-4 border-nature p-6 rounded-r-2xl mb-12 animate-fade-in shadow-sm">
+                                <h3 className="text-nature font-black text-[10px] uppercase tracking-[0.2em] mb-4 flex items-center">
+                                    <span className="mr-2 text-base">✨</span> Smart Digest
+                                </h3>
+                                <p className="text-paper-white text-lg leading-relaxed font-reading italic">
+                                    {article.ai_summary}
+                                </p>
+                            </div>
+                        ) : (
+                            <div className="mb-12">
+                                <button
+                                    onClick={async (e) => {
+                                        e.stopPropagation();
+                                        try {
+                                            await articlesApi.summarize(article.id);
+                                            // The WS hub will trigger an update, but we could also show a loading state here
+                                        } catch (err) {
+                                            console.error("Failed to summarize:", err);
+                                        }
+                                    }}
+                                    className="group flex items-center space-x-3 bg-nature/5 hover:bg-nature text-nature hover:text-white border border-nature/20 px-6 py-3 rounded-full transition-all duration-500"
+                                >
+                                    <span className="text-xl group-hover:rotate-12 transition-transform">✨</span>
+                                    <span className="text-[10px] uppercase tracking-[0.2em] font-black">Générer le Smart Digest</span>
+                                </button>
+                            </div>
+                        )}
                     </header>
 
                     <div