Add random mineral button to daily-stone page

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

dailystone/views.py

@@ -1,6 +1,7 @@
 from datetime import date
 
-from django.shortcuts import render, get_object_or_404
+from django.shortcuts import render, redirect
+from django.urls import reverse
 
 from .models import Mineral
 
@@ -26,3 +27,14 @@ def daily_stone(request):
         'mineral': mineral,
         'today': today,
     })
+
+
+def random_stone(request):
+    mineral = Mineral.objects.order_by('?').first()
+    if not mineral:
+        return redirect('dailystone:daily_stone')
+    return render(request, 'dailystone/stone.html', {
+        'mineral': mineral,
+        'today': date.today(),
+        'is_random': True,
+    })