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/app/api/v1/pantry/route.ts

@@ -0,0 +1,44 @@
+import { NextRequest, NextResponse } from "next/server";
+import { z } from "zod";
+import { db, pantryItems, eq, desc } from "@epicure/db";
+import { requireSession } from "@/lib/api-auth";
+
+const Schema = z.object({
+  rawName: z.string().min(1).max(200),
+  quantity: z.string().optional(),
+  unit: z.string().optional(),
+  expiresAt: z.string().datetime().optional(),
+});
+
+export async function GET(_req: NextRequest) {
+  const { session, response } = await requireSession();
+  if (response) return response;
+
+  const items = await db.query.pantryItems.findMany({
+    where: eq(pantryItems.userId, session!.user.id),
+    orderBy: desc(pantryItems.createdAt),
+  });
+
+  return NextResponse.json(items);
+}
+
+export async function POST(req: NextRequest) {
+  const { session, response } = await requireSession();
+  if (response) return response;
+
+  const body = await req.json() as unknown;
+  const parsed = Schema.safeParse(body);
+  if (!parsed.success) return NextResponse.json({ error: "Validation error" }, { status: 400 });
+
+  const id = crypto.randomUUID();
+  await db.insert(pantryItems).values({
+    id,
+    userId: session!.user.id,
+    rawName: parsed.data.rawName,
+    quantity: parsed.data.quantity,
+    unit: parsed.data.unit,
+    expiresAt: parsed.data.expiresAt ? new Date(parsed.data.expiresAt) : undefined,
+  });
+
+  return NextResponse.json({ id }, { status: 201 });
+}