feat: variables 2.0 state + L0 summary integration

modules/story-summary/data/db.js

@@ -3,7 +3,7 @@
 import Dexie from '../../../libs/dexie.mjs';
 
 const DB_NAME = 'LittleWhiteBox_Memory';
-const DB_VERSION = 2;
+const DB_VERSION = 3;  // 升级版本
 
 // Chunk parameters
 export const CHUNK_MAX_TOKENS = 200;
@@ -15,6 +15,7 @@ db.version(DB_VERSION).stores({
     chunks: '[chatId+chunkId], chatId, [chatId+floor]',
     chunkVectors: '[chatId+chunkId], chatId',
     eventVectors: '[chatId+eventId], chatId',
+    stateVectors: '[chatId+atomId], chatId, [chatId+floor]',  // L0 向量表
 });
 
 export { db };
@@ -22,3 +23,4 @@ export const metaTable = db.meta;
 export const chunksTable = db.chunks;
 export const chunkVectorsTable = db.chunkVectors;
 export const eventVectorsTable = db.eventVectors;
+export const stateVectorsTable = db.stateVectors;