Refactor proxy codebase

apps/yaak-proxy/hooks/useRpcMutation.ts

@@ -0,0 +1,18 @@
+import { type UseMutationOptions, useMutation } from '@tanstack/react-query';
+import type { RpcSchema } from '@yaakapp-internal/proxy-lib';
+import { minPromiseMillis } from '@yaakapp-internal/ui';
+import type { Req, Res } from '../lib/rpc';
+import { rpc } from '../lib/rpc';
+
+/**
+ * React Query mutation wrapper for RPC commands.
+ */
+export function useRpcMutation<K extends keyof RpcSchema>(
+  cmd: K,
+  opts?: Omit<UseMutationOptions<Res<K>, Error, Req<K>>, 'mutationFn'>,
+) {
+  return useMutation<Res<K>, Error, Req<K>>({
+    mutationFn: (payload) => minPromiseMillis(rpc(cmd, payload)),
+    ...opts,
+  });
+}