feat: enhance order asset selection and previews

tests/lib/adapters/workflows.test.ts

@@ -69,6 +69,33 @@ test("tags nested mock asset uris found in workflow step payloads", () => {
   expect(viewModel.failureCount).toBe(1);
 });
 
+test("extracts a step preview uri from standard output uri fields", () => {
+  const viewModel = adaptWorkflowDetail({
+    ...WORKFLOW_BASE,
+    current_step: "scene",
+    steps: [
+      {
+        id: 2,
+        workflow_run_id: 9001,
+        step_name: "scene",
+        step_status: "succeeded",
+        input_json: null,
+        output_json: {
+          uri: "https://images.example.com/orders/101/scene/generated.jpg",
+        },
+        error_message: null,
+        started_at: "2026-03-27T00:08:00Z",
+        ended_at: "2026-03-27T00:09:00Z",
+      },
+    ],
+  });
+
+  expect(viewModel.steps[0].previewUri).toBe(
+    "https://images.example.com/orders/101/scene/generated.jpg",
+  );
+  expect(viewModel.steps[0].containsMockAssets).toBe(false);
+});
+
 test("maps workflow lookup status and current step labels", () => {
   const viewModel = adaptWorkflowLookupItem(WORKFLOW_BASE);