feat: update inventory queries to filter by userId for accurate recipe analysis

backend/src/recipes/recipe-analysis.service.ts

@@ -82,6 +82,7 @@ export class RecipeAnalysisService {
     const pantryProductIds = new Set(pantryItems.map((p) => p.productId));
 
     const userInventory = await this.prisma.inventoryItem.findMany({
+      where: { userId },
       select: { productId: true },
     });
     const availableProductIds = new Set<number>([
@@ -153,7 +154,7 @@ export class RecipeAnalysisService {
         }
 
         const inventoryItems = await this.prisma.inventoryItem.findMany({
-          where: { productId: ingredient.productId },
+          where: { productId: ingredient.productId, userId },
           select: { quantity: true, unit: true },
         });