feat: 大部分注册登录功能

Co-authored-by: Copilot <copilot@github.com>

nuxt.config.ts

@@ -2,17 +2,16 @@
 export default defineNuxtConfig({
   compatibilityDate: "2025-07-15",
   devtools: { enabled: true },
+  css: ["~/assets/css/element-plus.css"],
 
   app: {
     head: {
-      title: 'AI Art Studio',
-      titleTemplate: '%s',
+      title: "AI Art Studio",
+      titleTemplate: "%s",
       htmlAttrs: {
-        lang: 'zh-CN'
+        lang: "zh-CN"
       },
-      meta: [
-        { name: 'description', content: 'AI Art Studio' }
-      ]
+      meta: [{ name: "description", content: "AI Art Studio" }]
     }
   },
 
@@ -26,6 +25,7 @@ export default defineNuxtConfig({
     "@nuxtjs/seo",
     "@element-plus/nuxt",
     "@nuxtjs/tailwindcss",
-    "@vueuse/nuxt"
+    "@vueuse/nuxt",
+    "@pinia/nuxt"
   ]
 });