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/packages/legacy-scripting-runner/request-worker.js

@@ -0,0 +1,22 @@
+const { promisify } = require('util');
+
+const request = require('request');
+const { runAsWorker } = require('synckit');
+
+const { isMainThread } = require('worker_threads');
+
+if (!isMainThread) {
+  const asyncRequest = promisify(request);
+
+  runAsWorker(async (options) => {
+    const response = await asyncRequest(options);
+
+    // Remove unnecessary fields as the result will serialized by
+    // https://developer.mozilla.org/docs/Web/API/Web_Workers_API/Structured_clone_algorithm
+    return {
+      statusCode: response.statusCode,
+      headers: { ...response.headers },
+      body: response.body,
+    };
+  });
+}