Sync L0 cleanup on delete and swipe

modules/story-summary/story-summary.js

@@ -83,6 +83,9 @@ import {
     getStateAtomsCount,
     getStateVectorsCount,
     saveStateVectors,
+    deleteStateAtomsFromFloor,
+    deleteStateVectorsFromFloor,
+    deleteL0IndexFromFloor,
 } from "./vector/storage/state-store.js";
 
 // vector io
@@ -1342,6 +1345,18 @@ async function handleMessageDeleted() {
 
     await rollbackSummaryIfNeeded();
     await syncOnMessageDeleted(chatId, newLength);
+
+    // L0 同步：清理 floor >= newLength 的 atoms / index / vectors
+    deleteStateAtomsFromFloor(newLength);
+    deleteL0IndexFromFloor(newLength);
+    if (chatId) {
+        await deleteStateVectorsFromFloor(chatId, newLength);
+    }
+
+    invalidateLexicalIndex();
+    await sendAnchorStatsToFrame();
+    await sendVectorStatsToFrame();
+
     applyHideStateDebounced();
 }
 
@@ -1350,8 +1365,20 @@ async function handleMessageSwiped() {
     const lastFloor = (chat?.length || 1) - 1;
 
     await syncOnMessageSwiped(chatId, lastFloor);
+
+    // L0 同步：清理 swipe 前该楼的 atoms / index / vectors
+    deleteStateAtomsFromFloor(lastFloor);
+    deleteL0IndexFromFloor(lastFloor);
+    if (chatId) {
+        await deleteStateVectorsFromFloor(chatId, lastFloor);
+    }
+
+    invalidateLexicalIndex();
+
     initButtonsForAll();
     applyHideStateDebounced();
+    await sendAnchorStatsToFrame();
+    await sendVectorStatsToFrame();
 }
 
 async function handleMessageReceived() {