Add Hamkar default appearance snapshot seed script and builder support.

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

prisma/lib/appearance-builders.ts

@@ -40,8 +40,21 @@ export function buildHamkarUiFromBrand(input: {
     price_font_size?: string
     orderUI?: string
   }
+  defaultSnapshot?: {
+    registryMode?: string | null
+    brand?: {
+      primaryColor?: string | null
+      secondaryColor?: string | null
+      backgroundColor?: string | null
+    }
+    settings?: {
+      pricing_box_theme?: string
+      price_font_size?: string
+      orderUI?: string
+    }
+  } | null
 }) {
-  return {
+  const base = {
     kind: 'hamkar' as const,
     settingsManaged: Boolean(input.settingsManaged),
     registryMode: input.registryMode || 'dynamicMode',
@@ -57,6 +70,29 @@ export function buildHamkarUiFromBrand(input: {
       orderUI: String(input.settings?.orderUI || 'old'),
     },
   }
+
+  if (!input.defaultSnapshot) return base
+
+  return {
+    ...base,
+    defaultSnapshot: {
+      registryMode: input.defaultSnapshot.registryMode || base.registryMode,
+      brand: {
+        primaryColor: input.defaultSnapshot.brand?.primaryColor ?? null,
+        secondaryColor: input.defaultSnapshot.brand?.secondaryColor ?? null,
+        backgroundColor: input.defaultSnapshot.brand?.backgroundColor ?? null,
+      },
+      settings: {
+        pricing_box_theme: String(
+          input.defaultSnapshot.settings?.pricing_box_theme || base.settings.pricing_box_theme,
+        ),
+        price_font_size: String(
+          input.defaultSnapshot.settings?.price_font_size || base.settings.price_font_size,
+        ),
+        orderUI: String(input.defaultSnapshot.settings?.orderUI || base.settings.orderUI),
+      },
+    },
+  }
 }
 
 export function buildKhanegiUiFromColors(input: {