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LittleWhiteBox/modules/story-summary/vector/state-integration.js

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// ═══════════════════════════════════════════════════════════════════════════
// Story Summary - State Integration (L0)
// 事件监听 + 回滚钩子注册
// ═══════════════════════════════════════════════════════════════════════════
import { getContext } from '../../../../../../extensions.js';
import { xbLog } from '../../../core/debug-core.js';
import {
saveStateAtoms,
saveStateVectors,
deleteStateAtomsFromFloor,
deleteStateVectorsFromFloor,
getStateAtoms,
clearStateVectors,
} from './state-store.js';
import { embed, getEngineFingerprint } from './embedder.js';
import { getVectorConfig } from '../data/config.js';
const MODULE_ID = 'state-integration';
let initialized = false;
// ═══════════════════════════════════════════════════════════════════════════
// 初始化
// ═══════════════════════════════════════════════════════════════════════════
export function initStateIntegration() {
if (initialized) return;
initialized = true;
// 监听变量团队的事件
$(document).on('xiaobaix:variables:stateAtomsGenerated', handleStateAtomsGenerated);
// 注册回滚钩子
globalThis.LWB_StateRollbackHook = handleStateRollback;
xbLog.info(MODULE_ID, 'L0 状态层集成已初始化');
}
// ═══════════════════════════════════════════════════════════════════════════
// 事件处理
// ═══════════════════════════════════════════════════════════════════════════
async function handleStateAtomsGenerated(e, data) {
const { atoms } = data || {};
if (!atoms?.length) return;
const { chatId } = getContext();
if (!chatId) return;
const validAtoms = atoms.filter(a => a?.chatId === chatId);
if (!validAtoms.length) {
xbLog.warn(MODULE_ID, `atoms.chatId 不匹配,期望 ${chatId},跳过`);
return;
}
xbLog.info(MODULE_ID, `收到 ${validAtoms.length} 个 StateAtom`);
// 1. 存入 chat_metadata持久化
saveStateAtoms(validAtoms);
// 2. 向量化并存入 IndexedDB
const vectorCfg = getVectorConfig();
if (!vectorCfg?.enabled) {
xbLog.info(MODULE_ID, '向量未启用,跳过 L0 向量化');
return;
}
await vectorizeAtoms(chatId, validAtoms, vectorCfg);
}
async function vectorizeAtoms(chatId, atoms, vectorCfg) {
const texts = atoms.map(a => a.semantic);
const fingerprint = getEngineFingerprint(vectorCfg);
try {
const vectors = await embed(texts, vectorCfg);
const items = atoms.map((a, i) => ({
atomId: a.atomId,
floor: a.floor,
vector: vectors[i],
}));
await saveStateVectors(chatId, items, fingerprint);
xbLog.info(MODULE_ID, `L0 向量化完成: ${items.length}`);
} catch (e) {
xbLog.error(MODULE_ID, 'L0 向量化失败', e);
// 不阻塞,向量可后续通过"生成向量"重建
}
}
// ═══════════════════════════════════════════════════════════════════════════
// 回滚钩子
// ═══════════════════════════════════════════════════════════════════════════
async function handleStateRollback(floor) {
xbLog.info(MODULE_ID, `收到回滚请求: floor >= ${floor}`);
const { chatId } = getContext();
// 1. 删除 chat_metadata 中的 atoms
deleteStateAtomsFromFloor(floor);
// 2. 删除 IndexedDB 中的 vectors
if (chatId) {
await deleteStateVectorsFromFloor(chatId, floor);
}
}
// ═══════════════════════════════════════════════════════════════════════════
// 重建向量(供"生成向量"按钮调用)
// ═══════════════════════════════════════════════════════════════════════════
export async function rebuildStateVectors(chatId, vectorCfg) {
if (!chatId || !vectorCfg?.enabled) return { built: 0 };
const atoms = getStateAtoms();
if (!atoms.length) return { built: 0 };
xbLog.info(MODULE_ID, `开始重建 L0 向量: ${atoms.length} 个 atom`);
// 清空旧向量
await clearStateVectors(chatId);
// 重新向量化
const fingerprint = getEngineFingerprint(vectorCfg);
const batchSize = vectorCfg.engine === 'local' ? 5 : 25;
let built = 0;
for (let i = 0; i < atoms.length; i += batchSize) {
const batch = atoms.slice(i, i + batchSize);
const texts = batch.map(a => a.semantic);
try {
const vectors = await embed(texts, vectorCfg);
const items = batch.map((a, j) => ({
atomId: a.atomId,
floor: a.floor,
vector: vectors[j],
}));
await saveStateVectors(chatId, items, fingerprint);
built += items.length;
} catch (e) {
xbLog.error(MODULE_ID, `L0 向量化批次失败: ${i}-${i + batchSize}`, e);
}
}
xbLog.info(MODULE_ID, `L0 向量重建完成: ${built}/${atoms.length}`);
return { built };
}