fix(notifications): replace Cloud Run job with worker service

backend/command-api/test/notification-worker.test.js

@@ -0,0 +1,47 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import request from 'supertest';
+import { createWorkerApp } from '../src/worker-app.js';
+
+test('GET /readyz returns healthy response', async () => {
+  const app = createWorkerApp();
+  const res = await request(app).get('/readyz');
+
+  assert.equal(res.status, 200);
+  assert.equal(res.body.ok, true);
+  assert.equal(res.body.service, 'notification-worker-v2');
+});
+
+test('POST /tasks/dispatch-notifications returns dispatch summary', async () => {
+  const app = createWorkerApp({
+    dispatch: async () => ({
+      claimed: 2,
+      sent: 2,
+    }),
+  });
+
+  const res = await request(app)
+    .post('/tasks/dispatch-notifications')
+    .send({});
+
+  assert.equal(res.status, 200);
+  assert.equal(res.body.ok, true);
+  assert.equal(res.body.summary.claimed, 2);
+  assert.equal(res.body.summary.sent, 2);
+});
+
+test('POST /tasks/dispatch-notifications returns 500 on dispatch error', async () => {
+  const app = createWorkerApp({
+    dispatch: async () => {
+      throw new Error('dispatch exploded');
+    },
+  });
+
+  const res = await request(app)
+    .post('/tasks/dispatch-notifications')
+    .send({});
+
+  assert.equal(res.status, 500);
+  assert.equal(res.body.ok, false);
+  assert.match(res.body.error, /dispatch exploded/);
+});