fix: replace 'any' types with proper IAccount<ISigner, unknown, unknown>

- Updated AccountCard component to use IAccount<ISigner, unknown, unknown>
- Updated switchAccount function to use proper type
- Added ISigner import to both files
- Maintains type safety while supporting all account types

src/components/AccountManager.tsx

@@ -9,12 +9,14 @@ import { Button } from "@/components/ui/button";
 import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
 import Nip05 from "@/components/nostr/nip05";
+import type { IAccount } from "applesauce-accounts";
+import type { ISigner } from "applesauce-signers";
 
 function AccountCard({
   account,
   isActive,
 }: {
-  account: any;
+  account: IAccount<ISigner, unknown, unknown>;
   isActive: boolean;
 }) {
   const profile = useProfile(account.pubkey);

src/components/nostr/user-menu.tsx

@@ -23,6 +23,7 @@ import { RelayLink } from "./RelayLink";
 import SettingsDialog from "@/components/SettingsDialog";
 import { useState } from "react";
 import type { IAccount } from "applesauce-accounts";
+import type { ISigner } from "applesauce-signers";
 
 function UserAvatar({ pubkey }: { pubkey: string }) {
   const profile = useProfile(pubkey);
@@ -85,7 +86,7 @@ export default function UserMenu() {
     }
   }
 
-  function switchAccount(targetAccount: IAccount<any, any, any>) {
+  function switchAccount(targetAccount: IAccount<ISigner, unknown, unknown>) {
     accounts.setActive(targetAccount.id);
   }