Prefer structured Zillow photo data before click path

skills/web-automation/scripts/zillow-photo-data.test.mjs

@@ -1,7 +1,10 @@
 import test from "node:test";
 import assert from "node:assert/strict";
 
-import { extractZillowStructuredPhotoCandidatesFromNextDataScript } from "./zillow-photo-data.js";
+import {
+  extractZillowStructuredPhotoCandidatesFromNextDataScript,
+  shouldUseStructuredZillowPhotos,
+} from "./zillow-photo-data.js";
 
 test("extractZillowStructuredPhotoCandidatesFromNextDataScript reads responsivePhotos", () => {
   const scriptText = JSON.stringify({
@@ -67,3 +70,19 @@ test("extractZillowStructuredPhotoCandidatesFromNextDataScript falls back to mix
     { url: "https://photos.zillowstatic.com/fp/photo-one-cc_ft_1536.jpg", width: 1536 },
   ]);
 });
+
+test("shouldUseStructuredZillowPhotos returns true when structured photos already match the announced count", () => {
+  const candidates = Array.from({ length: 29 }, (_, index) => ({
+    url: `https://photos.zillowstatic.com/fp/photo-${index + 1}-p_d.jpg`,
+  }));
+
+  assert.equal(shouldUseStructuredZillowPhotos(candidates, 29), true);
+});
+
+test("shouldUseStructuredZillowPhotos returns false when structured photos are incomplete for the announced count", () => {
+  const candidates = Array.from({ length: 12 }, (_, index) => ({
+    url: `https://photos.zillowstatic.com/fp/photo-${index + 1}-p_d.jpg`,
+  }));
+
+  assert.equal(shouldUseStructuredZillowPhotos(candidates, 29), false);
+});