fix: revert to tsx and add diagnostic routes

apps/api/src/index.ts

@@ -197,8 +197,17 @@ server.register(async function guardedRoutes(scope) {
 });
 
 // ── Health Routes (public) ─────────────────────────────────────────────────────
-server.get('/', async (_req) => {
-    return { ok: true };
+server.get('/', async () => {
+    return { 
+        status: 'ok', 
+        message: 'EdTech API Gateway is running',
+        version: '1.1.0',
+        timestamp: new Date().toISOString()
+    };
+});
+
+server.get('/health', async () => {
+    return { status: 'ok', uptime: process.uptime() };
 });
 
 server.get('/debug/net', async (_req, reply) => {

apps/whatsapp-worker/Dockerfile

@@ -31,5 +31,5 @@ EXPOSE 3001
 # ─── Combined startup ─────────────────────────────────────────────────────────
 # db:push is best-effort — failure must NOT block the API or worker.
 # API (webhook + REST) and worker (BullMQ) start in parallel.
-CMD ["sh", "-c", "(pnpm --filter @repo/database db:push || echo '[CMD] db:push skipped or failed — continuing') && node /app/apps/api/dist/index.js & sleep 2 && node /app/apps/whatsapp-worker/dist/index.js & wait"]
+CMD ["sh", "-c", "(pnpm --filter @repo/database db:push || echo '[CMD] db:push skipped or failed — continuing') && npx tsx /app/apps/api/src/index.ts & sleep 2 && npx tsx /app/apps/whatsapp-worker/src/index.ts & wait"]