Refactor proxy codebase

apps/yaak-proxy/hooks/useRpcQuery.ts

@@ -0,0 +1,20 @@
+import { type UseQueryOptions, useQuery } from '@tanstack/react-query';
+import type { RpcSchema } from '@yaakapp-internal/proxy-lib';
+import type { Req, Res } from '../lib/rpc';
+import { rpc } from '../lib/rpc';
+
+/**
+ * React Query wrapper for RPC commands.
+ * Automatically caches by [cmd, payload] and supports all useQuery options.
+ */
+export function useRpcQuery<K extends keyof RpcSchema>(
+  cmd: K,
+  payload: Req<K>,
+  opts?: Omit<UseQueryOptions<Res<K>>, 'queryKey' | 'queryFn'>,
+) {
+  return useQuery<Res<K>>({
+    queryKey: [cmd, payload],
+    queryFn: () => rpc(cmd, payload),
+    ...opts,
+  });
+}