fix: dice stays in category + new recipe

- 'Nochmal würfeln' stays in cook/bake category via ?type= param
- Added: Hähnchen-Frischkäse-Röllchen (Airfryer) - Marc's recipe

frontend/src/pages/HomePage.tsx

@@ -51,14 +51,14 @@ export function HomePage() {
     const handleRandomCook = async () => {
     try {
       const recipe = await fetchRandomRecipe(['mittag', 'abend', 'fruehstueck'])
-      if (recipe?.slug) navigate(`/recipe/${recipe.slug}?from=random`)
+      if (recipe?.slug) navigate(`/recipe/${recipe.slug}?from=random&type=cook`)
     } catch { /* no recipes */ }
   }
 
   const handleRandomBake = async () => {
     try {
       const recipe = await fetchRandomRecipe(['backen', 'torten', 'desserts'])
-      if (recipe?.slug) navigate(`/recipe/${recipe.slug}?from=random`)
+      if (recipe?.slug) navigate(`/recipe/${recipe.slug}?from=random&type=bake`)
     } catch { /* no recipes */ }
   }
 

frontend/src/pages/RecipePage.tsx

@@ -19,20 +19,25 @@ export function RecipePage() {
   const navigate = useNavigate()
   const [searchParams] = useSearchParams()
   const fromRandom = searchParams.get('from') === 'random'
+  const randomType = searchParams.get('type') // 'cook' or 'bake'
   const qc = useQueryClient()
   const [servingScale, setServingScale] = useState<number | null>(null)
   const [noteText, setNoteText] = useState('')
   const [rerolling, setRerolling] = useState(false)
   const [showIngredientPicker, setShowIngredientPicker] = useState(false)
 
+  const COOK_CATEGORIES = ['mittag', 'abend', 'fruehstueck']
+  const BAKE_CATEGORIES = ['backen', 'torten', 'desserts']
+
   const handleReroll = useCallback(async () => {
     setRerolling(true)
     try {
-      const r = await fetchRandomRecipe()
-      if (r?.slug) navigate(`/recipe/${r.slug}?from=random`, { replace: true })
+      const categories = randomType === 'bake' ? BAKE_CATEGORIES : randomType === 'cook' ? COOK_CATEGORIES : undefined
+      const r = await fetchRandomRecipe(categories)
+      if (r?.slug) navigate(`/recipe/${r.slug}?from=random${randomType ? `&type=${randomType}` : ''}`, { replace: true })
     } catch { /* ignore */ }
     setRerolling(false)
-  }, [navigate])
+  }, [navigate, randomType])
 
   const { data: recipe, isLoading } = useQuery({
     queryKey: ['recipe', slug],