fix build

sanity.config.ts

@@ -6,6 +6,24 @@ import { schemaTypes } from './src/sanity/schemas'
 export default defineConfig({
   projectId: import.meta.env.PUBLIC_SANITY_PROJECT_ID,
   dataset: import.meta.env.PUBLIC_SANITY_DATASET ?? 'production',
+  document: {
+    // Filter document actions
+    actions: (prev, context) => {
+      // For singleton documents like site settings
+      if (context.schemaType === 'theaterHomepage') {
+        // Only allow publish action (equivalent to ["update", "publish"])
+        return prev.filter(({action}) => action === 'publish')
+      }
+      return prev
+    },
+
+    // Prevent creating new documents of this type
+    newDocumentOptions: (prev, context) => {
+      return prev.filter(
+        (template) => template.templateId !== 'siteSettings'
+      )
+    }
+  },
   plugins: [
     structureTool({
       structure: (S) =>