feat(domain): complete phase 2 backend core

server/services/runtime.ts

@@ -0,0 +1,8 @@
+import "server-only";
+
+import { getSqliteConnection } from "../db/client";
+import { DomainService } from "./domain";
+
+export function getDomainService(): DomainService {
+  return new DomainService(getSqliteConnection().db);
+}