fix: allow page clarification turns without delivery error

agent-run-gateway.mjs

@@ -16,7 +16,11 @@ import {
   SESSION_FINISHED_STALE_GRACE_MS,
   tryRecoverRunFromDeliverables,
 } from './agent-run-deliverable-check.mjs';
-import { isPageDataIntent, isPageGenerationIntent } from './chat-skills.mjs';
+import {
+  isGenericPageGenerationRequest,
+  isPageDataIntent,
+  isPageGenerationIntent,
+} from './chat-skills.mjs';
 
 const DEFAULT_RUN_RETRY_DELAYS_MS = [1500, 5000, 15000];
 const TERMINAL_STATUSES = new Set(['succeeded', 'failed']);
@@ -66,6 +70,14 @@ function extractRunMessageText(row) {
     .join('\n');
 }
 
+function extractRunDisplayText(row) {
+  const message = parseDbJsonColumn(row?.user_message_json, {}) ?? {};
+  const displayText = message?.metadata?.displayText;
+  return typeof displayText === 'string' && displayText.trim()
+    ? displayText.trim()
+    : extractRunMessageText(row);
+}
+
 function resolveRequiredImageGeneration(row, routing) {
   const message = parseDbJsonColumn(row?.user_message_json, {}) ?? {};
   const metadata = message.metadata ?? {};
@@ -894,11 +906,16 @@ export function createAgentRunGateway({
       throw error;
     }
     const runMessageText = extractRunMessageText(row);
+    const runDisplayText = extractRunDisplayText(row);
     const pageDataIntent = isPageDataIntent(runMessageText)
       || routing?.suggestedSkill === 'page-data-collect';
     const pageGenerationIntent = isPageGenerationIntent(runMessageText)
       || routing?.suggestedSkill === 'static-page-publish';
-    const requiresPageDeliverable = pageDataIntent || pageGenerationIntent;
+    // A bare “generate a page” request has no subject to render. The assistant's
+    // clarification is a successful conversational turn, not a failed delivery.
+    // Once the user supplies a subject, the existing fail-closed guard still applies.
+    const requiresPageDeliverable = pageDataIntent
+      || (pageGenerationIntent && !isGenericPageGenerationRequest(runDisplayText));
     let deliverables = null;
     if (requiresPageDeliverable || typeof validateRunDeliverables === 'function') {
       const latest = await getRunById(runId);