feat(image): complete reviewed generation delivery

image-make-client.test.mjs

@@ -125,6 +125,56 @@ test('image_make client resolves a completed idempotent reuse through status_url
   ]);
 });
 
+test('image_make client keeps polling while job is validating', async () => {
+  const image = Buffer.concat([
+    Buffer.from('RIFF'),
+    Buffer.alloc(4),
+    Buffer.from('WEBP'),
+    Buffer.from('validating'),
+  ]);
+  const sha256 = crypto.createHash('sha256').update(image).digest('hex');
+  let polls = 0;
+  const client = createImageMakeClient({
+    baseUrl: 'http://127.0.0.1:8080',
+    token: 'test-token',
+    sleep: async () => {},
+    fetchImpl: async (url) => {
+      const path = new URL(url).pathname;
+      if (path === '/v1/generation-jobs') {
+        return Response.json({ job_id: 'job-1', status: 'running' }, { status: 201 });
+      }
+      if (path === '/v1/generation-jobs/job-1') {
+        polls += 1;
+        if (polls === 1) {
+          return Response.json({ job_id: 'job-1', status: 'validating' });
+        }
+        return Response.json({
+          job_id: 'job-1',
+          status: 'succeeded',
+          result: {
+            download_url: '/v1/generation-jobs/job-1/result',
+            sha256,
+            width: 1664,
+            height: 928,
+          },
+        });
+      }
+      if (path.endsWith('/result')) {
+        return new Response(image, {
+          headers: { 'content-type': 'image/webp', 'x-artifact-sha256': sha256 },
+        });
+      }
+      throw new Error(`Unexpected request ${path}`);
+    },
+  });
+  const result = await client.generateImage({
+    prompt: 'hangzhou snow',
+    presetId: 'memind_dark_hero',
+  });
+  assert.equal(result.jobId, 'job-1');
+  assert.equal(polls, 2);
+});
+
 test('image_make env client stays disabled until URL and token are both configured', () => {
   assert.equal(createImageMakeClientFromEnv({}), null);
   assert.equal(createImageMakeClientFromEnv({ IMAGE_MAKE_BASE_URL: 'http://127.0.0.1:8080' }), null);