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/api/prisma/migrations/20261022055212_product_details/migration.sql

@@ -0,0 +1,13 @@
+-- AlterTable
+ALTER TABLE "Product" ADD COLUMN     "applications" TEXT[] DEFAULT ARRAY[]::TEXT[],
+ADD COLUMN     "attributes" JSONB NOT NULL DEFAULT '[]',
+ADD COLUMN     "brand" TEXT NOT NULL DEFAULT '',
+ADD COLUMN     "details" TEXT NOT NULL DEFAULT '',
+ADD COLUMN     "features" TEXT[] DEFAULT ARRAY[]::TEXT[],
+ADD COLUMN     "minOrder" TEXT NOT NULL DEFAULT '',
+ADD COLUMN     "origin" TEXT NOT NULL DEFAULT '',
+ADD COLUMN     "packaging" TEXT NOT NULL DEFAULT '',
+ADD COLUMN     "seoDescription" TEXT NOT NULL DEFAULT '',
+ADD COLUMN     "seoTitle" TEXT NOT NULL DEFAULT '',
+ADD COLUMN     "sizes" TEXT[] DEFAULT ARRAY[]::TEXT[],
+ADD COLUMN     "standards" TEXT[] DEFAULT ARRAY[]::TEXT[];

apps/api/prisma/migrations/20261022100000_admin_phone/migration.sql

@@ -0,0 +1,3 @@
+-- Rename login identifier from email to phone
+ALTER TABLE "AdminUser" RENAME COLUMN "email" TO "phone";
+ALTER INDEX "AdminUser_email_key" RENAME TO "AdminUser_phone_key";