fix: default Khanegi modular palette to Niazi colors

Header #0a1b37, accent #e0be7f, background #ffffff.

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

src/pages/KhanegiModularUiConfigPage.vue

@@ -15,9 +15,9 @@ const domain = ref('')
 const uiVariant = ref<'modular' | 'newTheme'>('modular')
 
 const brand = reactive({
-  primaryColor: '#ffffff',
-  secondaryColor: '#2563EB',
-  backgroundColor: '#fafafa',
+  primaryColor: '#0a1b37',
+  secondaryColor: '#e0be7f',
+  backgroundColor: '#ffffff',
 })
 
 const NAV_ITEMS = ['خانه', 'خرید و فروش', 'کیف پول', 'تراکنش‌ها', 'پروفایل']
@@ -45,9 +45,9 @@ function textOn(bg: string) {
 }
 
 const palette = computed(() => ({
-  header: swatchHex(brand.primaryColor, '#ffffff'),
-  accent: swatchHex(brand.secondaryColor, '#2563EB'),
-  page: swatchHex(brand.backgroundColor, '#fafafa'),
+  header: swatchHex(brand.primaryColor, '#0a1b37'),
+  accent: swatchHex(brand.secondaryColor, '#e0be7f'),
+  page: swatchHex(brand.backgroundColor, '#ffffff'),
 }))
 
 const previewChrome = computed(() => {