4.3 캐시 키/무효화 전략 수립 및 적용 o

src/lib/queryKeys.ts

@@ -0,0 +1,18 @@
+export const queryKeys = {
+  boards: {
+    all: ["boards"] as const,
+  },
+  posts: {
+    list: (params: { page: number; pageSize: number; boardId?: string; q?: string }) =>
+      ["posts", "list", params] as const,
+    detail: (id: string) => ["posts", "detail", id] as const,
+  },
+  comments: {
+    list: (postId: string) => ["comments", "list", postId] as const,
+  },
+  auth: {
+    permissions: ["auth", "permissions"] as const,
+  },
+};
+
+