planner executor agent improvements

src/agents/planner-executor/boundary-detection.ts

@@ -285,6 +285,20 @@ function urlPredicateSignals(verify: PredicateSpec[] | undefined): string[] {
   return signals;
 }
 
+function isProductNavigationIntent(step: {
+  action?: string;
+  intent?: string;
+  input?: string;
+  verify?: PredicateSpec[];
+}): boolean {
+  const action = (step.action || '').toUpperCase();
+  if (action !== 'CLICK') {
+    return false;
+  }
+  const cues = `${normalizeIntentText(step.intent)} ${normalizeIntentText(step.input)}`;
+  return /\b(product|result|details?|item|listing)\b/.test(cues);
+}
+
 export function isSearchLikeTypeAndSubmit(
   step: { action?: string; intent?: string; input?: string; verify?: PredicateSpec[] },
   element?: Pick<SnapshotElement, 'role' | 'text' | 'name' | 'ariaLabel'> | null
@@ -330,6 +344,18 @@ export function isUrlChangeRelevantToIntent(
     return true;
   }
 
+  if (isProductNavigationIntent(step)) {
+    const productUrlHints = ['/dp/', '/product/', '/item/', '/sku/', '/p/'];
+    if (productUrlHints.some(hint => normalizeIntentText(nextUrl).includes(hint))) {
+      return true;
+    }
+    const terms = [...queryTerms(step.input), ...queryTerms(step.intent)];
+    if (terms.length > 0) {
+      return terms.some(term => nextSignals.some(signal => signal.includes(term)));
+    }
+    return false;
+  }
+
   if (!isSearchLikeTypeAndSubmit(step, element)) {
     return true;
   }

src/agents/planner-executor/category-pruner.ts

@@ -19,6 +19,23 @@ function nearbyTextOf(element: SnapshotElement): string {
   return String(element.nearbyText || '').toLowerCase();
 }
 
+function combinedTextOf(element: SnapshotElement): string {
+  return [element.text, element.name, element.ariaLabel, element.nearbyText, element.href]
+    .filter((value): value is string => Boolean(value))
+    .join(' ')
+    .toLowerCase();
+}
+
+function hasSearchCue(element: SnapshotElement): boolean {
+  const combined = combinedTextOf(element);
+  return (
+    combined.includes('search') ||
+    combined.includes('keyword') ||
+    combined.includes('find') ||
+    combined.includes('query')
+  );
+}
+
 function roleOf(element: SnapshotElement): string {
   return String(element.role || '').toLowerCase();
 }
@@ -62,7 +79,10 @@ function allowShopping(element: SnapshotElement): boolean {
   if (text.includes('$') || nearbyText.includes('price')) {
     return true;
   }
-  if (['textbox', 'searchbox', 'combobox'].includes(role) && text.includes('search')) {
+  if (role === 'searchbox') {
+    return true;
+  }
+  if (['textbox', 'combobox', 'input', 'textarea'].includes(role) && hasSearchCue(element)) {
     return true;
   }
   return Boolean(element.inDominantGroup && text.trim().length >= 3);

src/agents/planner-executor/plan-utils.ts

@@ -362,6 +362,13 @@ function normalizeStep(step: Record<string, unknown>): Record<string, unknown> {
     delete normalizedStep.url;
   }
 
+  if ('target' in normalizedStep && typeof normalizedStep.target === 'number') {
+    normalizedStep.target = String(normalizedStep.target);
+  }
+  if ('target' in normalizedStep && normalizedStep.target === null) {
+    delete normalizedStep.target;
+  }
+
   if ('id' in normalizedStep && typeof normalizedStep.id === 'string') {
     const parsed = parseInt(normalizedStep.id, 10);
     if (!isNaN(parsed)) {