서버, 클라이언트, 서비스 워커 공용 코드를 lib/shared로 분리하고 브라우저 전용 모듈을 lib/client로 재구성

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/routes/(main)/category/[[id]]/service.svelte.ts

@@ -1,6 +1,6 @@
 import { getContext, setContext } from "svelte";
-import { encryptString } from "#lib/modules/crypto/index.js";
 import type { SelectedCategory } from "#lib/components/molecules/index.js";
+import { encryptString } from "#lib/shared/crypto/index.js";
 import { trpc } from "#trpc/client.js";
 
 export { requestCategoryCreation, requestFileRemovalFromCategory } from "#lib/services/category.js";