From 2b71cb31216a4880a747e95af70460f0b4385594 Mon Sep 17 00:00:00 2001
From: bielie <bielie@070997.xyz>
Date: Fri, 13 Feb 2026 13:39:03 +0800
Subject: [PATCH] fix(prompt): prevent empty event header in nearby evidence
 attach

---
 modules/story-summary/generate/prompt.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/story-summary/generate/prompt.js b/modules/story-summary/generate/prompt.js
index 82798ad..081bca3 100644
--- a/modules/story-summary/generate/prompt.js
+++ b/modules/story-summary/generate/prompt.js
@@ -580,7 +580,7 @@ function collectEvidenceGroupsForEvent(eventObj, l0Selected, l1ByFloor, usedL0Id
  * @returns {string} 格式化后的文本
  */
 function formatEventWithEvidence(eventItem, idx, evidenceGroups, causalById) {
-    const ev = eventItem.event || {};
+    const ev = eventItem?.event || eventItem || {};
     const time = ev.timeLabel || "";
     const title = String(ev.title || "").trim();
     const people = (ev.participants || []).join(" / ").trim();
@@ -986,7 +986,7 @@ async function buildVectorPrompt(store, recallResult, causalById, focusEntities,
 
         item.evidenceGroups.sort((a, b) => a.floor - b.floor);
 
-        const newText = formatEventWithEvidence(item.event, 0, item.evidenceGroups, causalById);
+        const newText = formatEventWithEvidence(item, 0, item.evidenceGroups, causalById);
         const newTokens = estimateTokens(newText);
         const delta = newTokens - item.tokens;