first commit

backend/src/routes/systems.ts

@@ -0,0 +1,11 @@
+import type { FastifyInstance } from "fastify";
+import { prisma } from "../lib/prisma.js";
+
+export async function systemsRoutes(app: FastifyInstance) {
+  app.get("/api/systems", async () => {
+    return prisma.anatomicalSystem.findMany({
+      orderBy: { order: "asc" },
+      include: { _count: { select: { structures: true } } },
+    });
+  });
+}