Keep-going: tree shares, health flags, CI, compose, timestamp Zapier action

Directory-tree encrypted share mock; /health reports mockVerae/nats;
middleware OpenAPI extended; zappier receipt by jobId; activate Create
Timestamp (local mock or hosted); GitHub Actions test:offline; compose
builds zappier image; seed-demo.mjs.

No Zapier login or live Verae required.

packages/verae-zapier-middleware/src/app.js

@@ -9,6 +9,8 @@ import { createDebugger } from './debug/logger.js';
 import { traceMiddleware } from './debug/trace.js';
 import { apiRoutes } from './routes/index.js';
 import { loadStore } from './store/db.js';
+import { config } from './config.js';
+import { isNatsConnected } from './nats/connection.js';
 
 const log = createDebugger('app');
 
@@ -36,6 +38,9 @@ export function createApp(options = {}) {
     res.json({
       status: 'ok',
       service: 'verae-zapier-middleware',
+      mockVerae: config.mockVerae,
+      natsEnabled: config.natsEnabled,
+      natsConnected: isNatsConnected(),
     });
   });