refactor: remove electron-related code

src/components/LoginDialog/NsecLogin.tsx

@@ -0,0 +1,48 @@
+import { Button } from '@/components/ui/button'
+import { Input } from '@/components/ui/input'
+import { useNostr } from '@/providers/NostrProvider'
+import { useState } from 'react'
+import { useTranslation } from 'react-i18next'
+
+export default function PrivateKeyLogin({ onLoginSuccess }: { onLoginSuccess: () => void }) {
+  const { t } = useTranslation()
+  const { nsecLogin } = useNostr()
+  const [nsec, setNsec] = useState('')
+  const [errMsg, setErrMsg] = useState<string | null>(null)
+
+  const handleInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    setNsec(e.target.value)
+    setErrMsg(null)
+  }
+
+  const handleLogin = () => {
+    if (nsec === '') return
+
+    nsecLogin(nsec)
+      .then(() => onLoginSuccess())
+      .catch((err) => {
+        setErrMsg(err.message)
+      })
+  }
+
+  return (
+    <>
+      <div className="text-orange-400">
+        {t(
+          'Using private key login is insecure. It is recommended to use a browser extension for login, such as alby, nostr-keyx or nos2x.'
+        )}
+      </div>
+      <div className="space-y-1">
+        <Input
+          type="password"
+          placeholder="nsec1.."
+          value={nsec}
+          onChange={handleInputChange}
+          className={errMsg ? 'border-destructive' : ''}
+        />
+        {errMsg && <div className="text-xs text-destructive pl-3">{errMsg}</div>}
+      </div>
+      <Button onClick={handleLogin}>{t('Login')}</Button>
+    </>
+  )
+}