feat(kesehatan): refactor ringkasan kesehatan to auto-derived stats

- Add IbuHamil and Balita models to schema.prisma
- Implement IbuHamil and Balita API modules (CRUD)
- Implement /stats endpoint for aggregated health KPIs
- Refactor ringkasan-kesehatan admin page to dashboard-style UI
- Update sidebar with Ibu Hamil and Balita entries
- Fix type errors and icon exports in admin UI
- Bump version to 0.1.52

src/app/api/[[...slugs]]/_lib/kesehatan/balita/find-many.ts

@@ -0,0 +1,52 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import prisma from "@/lib/prisma";
+import { Context } from "elysia";
+
+export default async function balitaFindMany(context: Context) {
+  const page = Number(context.query.page) || 1;
+  const limit = Number(context.query.limit) || 10;
+  const search = (context.query.search as string) || "";
+  const statusStunting = (context.query.statusStunting as string) || "";
+  const skip = (page - 1) * limit;
+
+  const where: any = { isActive: true };
+
+  if (search) {
+    where.OR = [
+      { nama: { contains: search, mode: "insensitive" } },
+      { nik: { contains: search, mode: "insensitive" } },
+      { namaOrtu: { contains: search, mode: "insensitive" } },
+      { alamat: { contains: search, mode: "insensitive" } },
+    ];
+  }
+
+  if (statusStunting) {
+    where.statusStunting = statusStunting;
+  }
+
+  try {
+    const [data, total] = await Promise.all([
+      prisma.balita.findMany({
+        where,
+        include: { posyandu: { select: { id: true, name: true } } },
+        skip,
+        take: limit,
+        orderBy: { createdAt: "desc" },
+      }),
+      prisma.balita.count({ where }),
+    ]);
+
+    return {
+      success: true,
+      message: "Berhasil ambil data balita",
+      data,
+      page,
+      limit,
+      total,
+      totalPages: Math.ceil(total / limit),
+    };
+  } catch (e) {
+    console.error("Error balitaFindMany:", e);
+    return { success: false, message: "Gagal mengambil data balita" };
+  }
+}