Dev remove admin mode (#723)

* feat: remove admin mode
* feat: bugfix
---------
Co-authored-by: icy <icyoung520@gmail.com>

web/src/components/LoginPage.tsx

@@ -1,9 +1,8 @@
-import React, { useEffect, useState } from 'react'
+import React, { useState } from 'react'
 import { useAuth } from '../contexts/AuthContext'
 import { useLanguage } from '../contexts/LanguageContext'
 import { t } from '../i18n/translations'
 import HeaderBar from './landing/HeaderBar'
-import { getSystemConfig } from '../lib/config'
 
 export function LoginPage() {
   const { language } = useLanguage()
@@ -16,17 +15,8 @@ export function LoginPage() {
   const [error, setError] = useState('')
   const [loading, setLoading] = useState(false)
   const [adminPassword, setAdminPassword] = useState('')
-  const [adminMode, setAdminMode] = useState<boolean | null>(null)
+  const adminMode = false
 
-  useEffect(() => {
-    getSystemConfig()
-      .then((cfg) => {
-        setAdminMode(!!cfg.admin_mode)
-      })
-      .catch(() => {
-        setAdminMode(false)
-      })
-  }, [])
 
   const handleAdminLogin = async (e: React.FormEvent) => {
     e.preventDefault()

web/src/components/landing/HeaderBar.tsx

@@ -12,7 +12,6 @@ interface HeaderBarProps {
   onLanguageChange?: (lang: Language) => void
   user?: { email: string } | null
   onLogout?: () => void
-  isAdminMode?: boolean
   onPageChange?: (page: string) => void
 }
 
@@ -24,7 +23,6 @@ export default function HeaderBar({
   onLanguageChange,
   user,
   onLogout,
-  isAdminMode = false,
   onPageChange,
 }: HeaderBarProps) {
   const [mobileMenuOpen, setMobileMenuOpen] = useState(false)
@@ -476,7 +474,7 @@ export default function HeaderBar({
                     >
                       {t('signIn', language)}
                     </a>
-                    {!isAdminMode && (
+                    {true && (
                       <a
                         href="/register"
                         className="px-4 py-2 rounded font-semibold text-sm transition-colors hover:opacity-90"
@@ -916,7 +914,7 @@ export default function HeaderBar({
                 >
                   {t('signIn', language)}
                 </a>
-                {!isAdminMode && (
+                {true && (
                   <a
                     href="/register"
                     className="block w-full px-4 py-2 rounded font-semibold text-sm text-center transition-colors"