feat: session deletion, improved tasting deletion visibility, and PWA login loop fix

src/services/delete-session.ts

@@ -0,0 +1,35 @@
+'use server';
+
+import { createServerActionClient } from '@supabase/auth-helpers-nextjs';
+import { cookies } from 'next/headers';
+import { revalidatePath } from 'next/cache';
+
+export async function deleteSession(sessionId: string) {
+    const supabase = createServerActionClient({ cookies });
+
+    try {
+        const { data: { session } } = await supabase.auth.getSession();
+        if (!session) {
+            throw new Error('Nicht autorisiert.');
+        }
+
+        const { error: deleteError } = await supabase
+            .from('tasting_sessions')
+            .delete()
+            .eq('id', sessionId)
+            .eq('user_id', session.user.id);
+
+        if (deleteError) throw deleteError;
+
+        revalidatePath('/');
+        revalidatePath(`/sessions/${sessionId}`);
+
+        return { success: true };
+    } catch (error) {
+        console.error('Delete Session Error:', error);
+        return {
+            success: false,
+            error: error instanceof Error ? error.message : 'Fehler beim Löschen der Session.',
+        };
+    }
+}