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/example-apps/digest-auth/test/authentication.test.js

@@ -0,0 +1,44 @@
+/* globals describe, it, expect */
+
+const zapier = require('zapier-platform-core');
+
+const App = require('../index');
+const appTester = zapier.createAppTester(App);
+
+describe('digest auth', () => {
+  it('correctly authenticates', async () => {
+    // Try changing the values of username or password to see how the test method behaves
+    const bundle = {
+      authData: {
+        username: 'myuser',
+        password: 'mypass',
+      },
+    };
+
+    const response = await appTester(App.authentication.test, bundle);
+
+    expect(response.status).toBe(200);
+    expect(response.data.authorized).toBe(true);
+    expect(response.data.user).toBe('myuser');
+  });
+
+  it('fails on bad auth', async () => {
+    // Try changing the values of username or password to see how the test method behaves
+    const bundle = {
+      authData: {
+        username: 'user',
+        password: 'badpwd',
+      },
+    };
+
+    try {
+      await appTester(App.authentication.test, bundle);
+    } catch (err) {
+      expect(err.message).toContain(
+        'The username and/or password you supplied is incorrect',
+      );
+      return;
+    }
+    throw new Error('appTester should have thrown');
+  });
+});