fix: make property-assessor safer for whatsapp runs

skills/property-assessor/tests/timeout-guards.test.ts

@@ -0,0 +1,32 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+
+import { discoverListingSources } from "../src/listing-discovery.js";
+import { extractPhotoData } from "../src/photo-review.js";
+
+test("discoverListingSources times out stalled Zillow and HAR discovery calls", async () => {
+  const result = await discoverListingSources(
+    "1011 Ennis Joslin Rd APT 235, Corpus Christi, TX 78412",
+    {
+      timeoutMs: 20,
+      discoverZillowListingFn: async () => await new Promise(() => {}),
+      discoverHarListingFn: async () => await new Promise(() => {})
+    }
+  );
+
+  assert.equal(result.zillowUrl, null);
+  assert.equal(result.harUrl, null);
+  assert.match(result.attempts.join(" "), /zillow discovery timed out/i);
+  assert.match(result.attempts.join(" "), /har discovery timed out/i);
+});
+
+test("extractPhotoData times out a stalled photo extraction instead of hanging forever", async () => {
+  await assert.rejects(
+    async () =>
+      extractPhotoData("zillow", "https://www.zillow.com/example", {
+        timeoutMs: 20,
+        extractZillowPhotosFn: async () => await new Promise(() => {})
+      }),
+    /timed out/i
+  );
+});