feat: polish admin UI, phone login, and product details

Switch admin auth to mobile, restyle shell/login with Vuesax icons, and add product detail fields plus public product pages.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/admin/src/pages/SectionEditPage.vue

@@ -1,10 +1,10 @@
 <script setup lang="ts">
-import { SaveOutlined } from "@ant-design/icons-vue";
 import { isSectionKey, SECTION_LABELS, type SectionKey, sectionSchemas } from "@imen/shared";
 import { message } from "ant-design-vue";
 import { type Component, computed, ref } from "vue";
 import { useRoute } from "vue-router";
 import { api, errorMessage } from "@/api/http";
+import VuesaxIcon from "@/components/VuesaxIcon.vue";
 import type { SectionResponse } from "@/api/types";
 import PageHeader from "@/components/PageHeader.vue";
 import { useZodForm } from "@/composables/useZodForm";
@@ -92,7 +92,7 @@ if (valid) void load();
     >
       <a :href="SITE_URL" target="_blank" rel="noopener"><a-button>مشاهده سایت</a-button></a>
       <a-button type="primary" :loading="saving" :disabled="!loaded" @click="save">
-        <template #icon><SaveOutlined /></template>
+        <template #icon><VuesaxIcon name="save-2" :size="16" /></template>
         ذخیره
       </a-button>
     </PageHeader>