diff --git a/modules/story-summary/generate/prompt.js b/modules/story-summary/generate/prompt.js
index f48cc2e..aa971cd 100644
--- a/modules/story-summary/generate/prompt.js
+++ b/modules/story-summary/generate/prompt.js
@@ -826,8 +826,11 @@ async function buildVectorPrompt(store, recallResult, causalById, focusEntities,
         const isDirect = e._recallType === "DIRECT";
         if (!isDirect && relatedBudget.used >= relatedBudget.max) continue;
 
-        // 收集该事件范围内的 EvidenceGroup（per-floor）
-        const evidenceGroups = collectEvidenceGroupsForEvent(e.event, l0Selected, l1ByFloor, usedL0Ids);
+        // 硬规则：RELATED 事件不挂证据（不挂 L0/L1，只保留事件摘要）
+        // DIRECT 才允许收集事件内证据组。
+        const evidenceGroups = isDirect
+            ? collectEvidenceGroupsForEvent(e.event, l0Selected, l1ByFloor, usedL0Ids)
+            : [];
 
         // 格式化事件（含证据）
         const text = formatEventWithEvidence(e, 0, evidenceGroups, causalById);
diff --git a/modules/story-summary/vector/retrieval/entity-lexicon.js b/modules/story-summary/vector/retrieval/entity-lexicon.js
index ddfd65a..2df503d 100644
--- a/modules/story-summary/vector/retrieval/entity-lexicon.js
+++ b/modules/story-summary/vector/retrieval/entity-lexicon.js
@@ -30,7 +30,8 @@ function normalize(s) {
  *   1. store.json.characters.main  — 已确认主要角色
  *   2. store.json.arcs[].name      — 弧光对象
  *   3. context.name2               — 当前角色
- *   4. store.json.facts[].s        — L3 事实主语
+ *   4. store.json.events[].participants — L2 事件参与者
+ *   5. L0 atoms edges.s/edges.t
  *
  * 硬约束：永远排除 normalize(context.name1)
  *
@@ -64,11 +65,12 @@ export function buildEntityLexicon(store, context) {
         add(context.name2);
     }
 
-    // 4. L3 facts 主语
-    const facts = store?.json?.facts || [];
-    for (const f of facts) {
-        if (f.retracted) continue;
-        add(f.s);
+    // 4. L2 events 参与者
+    const events = store?.json?.events || [];
+    for (const ev of events) {
+        for (const p of (ev?.participants || [])) {
+            add(p);
+        }
     }
 
     // 5. L0 atoms 的 edges.s/edges.t（新角色在 L2 总结前即可进入词典）
@@ -118,9 +120,12 @@ export function buildDisplayNameMap(store, context) {
 
     if (context?.name2) register(context.name2);
 
-    const facts = store?.json?.facts || [];
-    for (const f of facts) {
-        if (!f.retracted) register(f.s);
+    // 4. L2 events 参与者
+    const events = store?.json?.events || [];
+    for (const ev of events) {
+        for (const p of (ev?.participants || [])) {
+            register(p);
+        }
     }
 
     // 5. L0 atoms 的 edges.s/edges.t