fix: make property-assessor safer for whatsapp runs

skills/web-automation/scripts/real-estate-photo-common.js

@@ -7,6 +7,7 @@ const MAX_SCROLL_PASSES = 12;
 const SCROLL_PAUSE_MS = 900;
 const LARGE_IMAGE_MIN_WIDTH = 300;
 const LARGE_IMAGE_MIN_HEIGHT = 200;
+const OPERATION_TIMEOUT_MS = Number(process.env.REAL_ESTATE_OPERATION_TIMEOUT_MS || 25000);
 
 export function fail(message, details) {
   const payload = { error: message };
@@ -38,6 +39,34 @@ export function sleep(ms) {
   return new Promise((resolve) => setTimeout(resolve, ms));
 }
 
+export async function runWithOperationTimeout(
+  operationName,
+  operation,
+  { timeoutMs = OPERATION_TIMEOUT_MS, onTimeout } = {}
+) {
+  let timer;
+
+  try {
+    return await Promise.race([
+      operation(),
+      new Promise((_, reject) => {
+        timer = setTimeout(async () => {
+          try {
+            await onTimeout?.();
+          } catch {
+            // Ignore cleanup errors; the timeout is the primary failure.
+          }
+          reject(new Error(`${operationName} timed out after ${timeoutMs}ms`));
+        }, timeoutMs);
+      }),
+    ]);
+  } finally {
+    if (timer) {
+      clearTimeout(timer);
+    }
+  }
+}
+
 export async function loadCloakBrowser() {
   try {
     return await import("cloakbrowser");
@@ -289,4 +318,3 @@ export function buildResult({
     notes,
   };
 }
-