Milestone 0: import zappier billing, Verae middleware, and Zapier research

Compose-ready workspace: packages/zappier (rate card, portal, Stripe),
packages/verae-zapier-middleware (timestamp + NATS), packages/verae-zapier
(CLI app), vendor/zapier-platform, and research/zapier vendor corpus.

Gate 0 structure checks pass. Product code and research are not yet wired.

vendor/zapier-platform/schema-to-ts/src/formatter.ts

@@ -0,0 +1,20 @@
+import { format as prettify, type Options as PrettierOptions } from 'prettier';
+import { logger } from './utils.js';
+
+const DEFAULT_OPTIONS: PrettierOptions = {
+  bracketSpacing: true,
+  trailingComma: 'all',
+  singleQuote: true,
+  printWidth: 80,
+  semi: true,
+  tabWidth: 2,
+  useTabs: false,
+};
+
+/** Format a Typescript module with Prettier. */
+export const format = async (ts: string): Promise<string> => {
+  const options = { parser: 'typescript', ...DEFAULT_OPTIONS };
+  logger.debug({ options }, 'Finalised prettier options');
+  const result = prettify(ts, options);
+  return result;
+};