chore: import upstream snapshot with attribution

apps/sim/triggers/revenuecat/initial_purchase.ts

@@ -0,0 +1,39 @@
+import { RevenueCatIcon } from '@/components/icons'
+import { buildTriggerSubBlocks } from '@/triggers'
+import {
+  buildRevenueCatExtraFields,
+  buildRevenueCatOutputs,
+  revenueCatSetupInstructions,
+  revenueCatTriggerOptions,
+} from '@/triggers/revenuecat/utils'
+import type { TriggerConfig } from '@/triggers/types'
+
+/**
+ * RevenueCat Initial Purchase Trigger.
+ *
+ * PRIMARY trigger — includes the trigger-type dropdown listing every RevenueCat event.
+ * Fires on INITIAL_PURCHASE events.
+ */
+export const revenueCatInitialPurchaseTrigger: TriggerConfig = {
+  id: 'revenuecat_initial_purchase',
+  name: 'RevenueCat Initial Purchase',
+  provider: 'revenuecat',
+  description: 'Trigger workflow when a subscriber makes their first purchase in RevenueCat',
+  version: '1.0.0',
+  icon: RevenueCatIcon,
+  subBlocks: buildTriggerSubBlocks({
+    triggerId: 'revenuecat_initial_purchase',
+    triggerOptions: revenueCatTriggerOptions,
+    includeDropdown: true,
+    setupInstructions: revenueCatSetupInstructions('Initial Purchase'),
+    extraFields: buildRevenueCatExtraFields('revenuecat_initial_purchase'),
+  }),
+  outputs: buildRevenueCatOutputs(),
+  webhook: {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+      Authorization: 'your-configured-secret',
+    },
+  },
+}