feat: enhance pantry management with new features and UI improvements

backend/src/meal-plan/meal-plan.service.ts

@@ -86,6 +86,10 @@ export class MealPlanService {
   async inventoryCompare(from: string, to: string) {
     const entries = await this.findByRange(from, to);
 
+    // Hämta pantry-produkter — dessa anses alltid tillgängliga
+    const pantryItems = await this.prisma.pantryItem.findMany({ select: { productId: true } });
+    const pantryProductIds = new Set(pantryItems.map((p) => p.productId));
+
     // Aggregera ingredienser per produkt+enhet (skalat per portionsantal)
     const map = new Map<string, { productId: number; name: string; required: number; unit: string }>();
     for (const entry of entries) {
@@ -112,6 +116,19 @@ export class MealPlanService {
     // Kontrollera inventariet för varje ingrediens
     const result = await Promise.all(
       Array.from(map.values()).map(async (item) => {
+        // Pantry-varor anses alltid tillgängliga — visa inte i inköpslistan
+        if (pantryProductIds.has(item.productId)) {
+          return {
+            productId: item.productId,
+            name: item.name,
+            required: item.required,
+            unit: item.unit,
+            available: item.required,
+            missing: 0,
+            status: 'pantry' as const,
+          };
+        }
+
         const inventoryItems = await this.prisma.inventoryItem.findMany({
           where: { productId: item.productId },
         });
@@ -125,13 +142,15 @@ export class MealPlanService {
           unit: item.unit,
           available,
           missing: Math.max(0, item.required - available),
-          status: (available >= item.required ? 'enough' : 'missing') as 'enough' | 'missing',
+          status: (available >= item.required ? 'enough' : 'missing') as 'enough' | 'missing' | 'pantry',
         };
       }),
     );
 
+    const statusOrder = { missing: 0, enough: 1, pantry: 2 };
     return result.sort((a, b) => {
-      if (a.status !== b.status) return a.status === 'missing' ? -1 : 1;
+      const diff = statusOrder[a.status] - statusOrder[b.status];
+      if (diff !== 0) return diff;
       return a.name.localeCompare(b.name, 'sv');
     });
   }