feat(meal-plan): weekly planner, pantry, shopping lists, nutrition tracking

AI-generated weekly meal plans with pantry-awareness. Manual entry per slot.
Pantry inventory management. Auto-generated shopping lists from meal plan.
Weekly nutrition bar chart vs daily goals. Nutrition goals settings.

apps/web/components/pantry/pantry-page-header.tsx

@@ -0,0 +1,22 @@
+"use client";
+import { useTranslations } from "next-intl";
+import Link from "next/link";
+import { ChefHat } from "lucide-react";
+import { buttonVariants } from "@/components/ui/button";
+import { cn } from "@/lib/utils";
+
+export function PantryPageHeader() {
+  const t = useTranslations("pantry");
+  return (
+    <div className="flex items-start justify-between">
+      <div>
+        <h1 className="text-3xl font-bold tracking-tight">{t("title")}</h1>
+        <p className="text-muted-foreground mt-1">{t("subtitle")}</p>
+      </div>
+      <Link href="/recipes/can-cook" className={cn(buttonVariants({ variant: "outline", size: "sm" }))}>
+        <ChefHat className="h-4 w-4" />
+        {t("canCook")}
+      </Link>
+    </div>
+  );
+}