feat: 更新 VITE_API_URL 至生产环境地址，移除不必要的 showToast 导入

.env.development

@@ -1 +1 @@
-VITE_API_URL=http://192.168.1.2:9538
+VITE_API_URL=https://capp-api.riwsan.com

auto-imports.d.ts

@@ -451,7 +451,6 @@ declare module 'vue' {
     readonly shallowReactive: UnwrapRef<typeof import('vue')['shallowReactive']>
     readonly shallowReadonly: UnwrapRef<typeof import('vue')['shallowReadonly']>
     readonly shallowRef: UnwrapRef<typeof import('vue')['shallowRef']>
-    readonly showToast: UnwrapRef<typeof import('vant/es')['showToast']>
     readonly storeToRefs: UnwrapRef<typeof import('pinia')['storeToRefs']>
     readonly syncRef: UnwrapRef<typeof import('@vueuse/core')['syncRef']>
     readonly syncRefs: UnwrapRef<typeof import('@vueuse/core')['syncRefs']>