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https://github.com/Youzini-afk/ST-Bionic-Memory-Ecology.git
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Reorganize modules into layered directories
This commit is contained in:
Youzini-afk
731
graph/graph.js
Normal file
731
graph/graph.js
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@@ -0,0 +1,731 @@
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// ST-BME: 图数据模型
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// 管理节点、边的 CRUD 操作，以及序列化到 chat_metadata
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import {
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createDefaultBatchJournal,
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createDefaultHistoryState,
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createDefaultVectorIndexState,
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normalizeGraphRuntimeState,
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PROCESSED_MESSAGE_HASH_VERSION,
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} from "../runtime/runtime-state.js";
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import {
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hasSameScopeIdentity,
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normalizeEdgeMemoryScope,
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normalizeMemoryScope,
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normalizeNodeMemoryScope,
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isSameLatestScopeBucket,
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} from "./memory-scope.js";
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import { debugLog } from "../runtime/debug-logging.js";
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/**
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* 图状态版本号
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*/
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const GRAPH_VERSION = 6;
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/**
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* 生成 UUID v4
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*/
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function uuid() {
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return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, (c) => {
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const r = (Math.random() * 16) | 0;
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const v = c === "x" ? r : (r & 0x3) | 0x8;
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return v.toString(16);
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});
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}
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/**
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* 创建空的图状态
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* @returns {GraphState}
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*/
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export function createEmptyGraph() {
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return normalizeGraphRuntimeState({
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version: GRAPH_VERSION,
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lastProcessedSeq: -1,
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nodes: [],
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edges: [],
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lastRecallResult: null,
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historyState: createDefaultHistoryState(),
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vectorIndexState: createDefaultVectorIndexState(),
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batchJournal: createDefaultBatchJournal(),
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});
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}
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// ==================== 节点操作 ====================
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/**
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* 创建新节点
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* @param {object} params
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* @returns {object} 新节点
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*/
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export function createNode({
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type,
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fields = {},
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seq = 0,
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seqRange = null,
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importance = 5.0,
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clusters = [],
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scope = undefined,
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}) {
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const now = Date.now();
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return {
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id: uuid(),
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type,
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level: 0,
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parentId: null,
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childIds: [],
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seq,
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seqRange: seqRange || [seq, seq],
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archived: false,
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fields,
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embedding: null,
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importance: Math.max(0, Math.min(10, importance)),
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accessCount: 0,
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lastAccessTime: now,
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createdTime: now,
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prevId: null,
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nextId: null,
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clusters,
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scope: normalizeMemoryScope(scope),
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};
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}
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/**
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* 在图中添加节点
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* @param {GraphState} graph
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* @param {object} node
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* @returns {object} 添加的节点
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*/
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export function addNode(graph, node) {
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// 同类型节点的时间链表：连接到最后一个同类型节点
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const sameTypeNodes = graph.nodes
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.filter(
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(n) =>
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n.type === node.type &&
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!n.archived &&
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n.level === 0 &&
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hasSameScopeIdentity(n.scope, node.scope),
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)
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.sort((a, b) => a.seq - b.seq);
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if (sameTypeNodes.length > 0) {
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const lastNode = sameTypeNodes[sameTypeNodes.length - 1];
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lastNode.nextId = node.id;
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node.prevId = lastNode.id;
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}
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graph.nodes.push(node);
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return node;
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}
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/**
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* 根据 ID 获取节点
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* @param {GraphState} graph
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* @param {string} nodeId
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* @returns {object|null}
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*/
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export function getNode(graph, nodeId) {
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return graph.nodes.find((n) => n.id === nodeId) || null;
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}
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/**
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* 更新节点字段（部分更新）
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* @param {GraphState} graph
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* @param {string} nodeId
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* @param {object} updates - 要更新的字段
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* @returns {boolean} 是否找到并更新
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*/
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export function updateNode(graph, nodeId, updates) {
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const node = getNode(graph, nodeId);
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if (!node) return false;
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if (updates.fields) {
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node.fields = { ...node.fields, ...updates.fields };
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delete updates.fields;
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}
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if (Object.prototype.hasOwnProperty.call(updates, "scope")) {
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node.scope = normalizeMemoryScope(updates.scope, node.scope || {});
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delete updates.scope;
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}
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Object.assign(node, updates);
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return true;
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}
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/**
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* 删除节点及其相关边
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* @param {GraphState} graph
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* @param {string} nodeId
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* @returns {boolean}
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*/
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export function removeNode(graph, nodeId, visited = new Set()) {
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const normalizedNodeId = String(nodeId || "");
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if (!normalizedNodeId) return false;
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if (visited.has(normalizedNodeId)) return false;
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visited.add(normalizedNodeId);
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const node = getNode(graph, normalizedNodeId);
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if (!node) return false;
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// 修复时间链表
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if (node.prevId) {
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const prev = getNode(graph, node.prevId);
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if (prev) prev.nextId = node.nextId;
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}
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if (node.nextId) {
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const next = getNode(graph, node.nextId);
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if (next) next.prevId = node.prevId;
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}
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// 递归删除子节点（带环保护）
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for (const childId of node.childIds) {
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removeNode(graph, childId, visited);
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}
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// 从父节点中移除引用
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if (node.parentId) {
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const parent = getNode(graph, node.parentId);
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if (parent) {
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parent.childIds = parent.childIds.filter((id) => id !== normalizedNodeId);
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}
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}
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// 同时清理其它节点上可能残留的脏 child 引用，避免导入脏图残留环
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for (const candidate of graph.nodes) {
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if (
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!Array.isArray(candidate?.childIds) ||
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candidate.id === normalizedNodeId
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) {
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continue;
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}
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candidate.childIds = candidate.childIds.filter(
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(id) => id !== normalizedNodeId,
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);
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}
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// 删除相关边
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graph.edges = graph.edges.filter(
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(e) => e.fromId !== normalizedNodeId && e.toId !== normalizedNodeId,
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);
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// 删除节点本身
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graph.nodes = graph.nodes.filter((n) => n.id !== normalizedNodeId);
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return true;
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}
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/**
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* 获取所有未归档的节点
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* @param {GraphState} graph
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* @param {string} [typeFilter] - 可选类型过滤
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* @returns {object[]}
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*/
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export function getActiveNodes(graph, typeFilter = null) {
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let nodes = graph.nodes.filter((n) => !n.archived);
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if (typeFilter) {
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nodes = nodes.filter((n) => n.type === typeFilter);
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}
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return nodes;
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}
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/**
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* 按类型查找最新版本的节点（用于 latestOnly 类型）
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* @param {GraphState} graph
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* @param {string} type
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* @param {string} primaryKeyValue - 主键值（如角色名）
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* @param {string} primaryKeyField - 主键字段名（默认 'name'）
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* @returns {object|null}
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*/
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export function findLatestNode(
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graph,
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type,
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primaryKeyValue,
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primaryKeyField = "name",
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scope = undefined,
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) {
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const candidates = graph.nodes.filter(
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(n) =>
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n.type === type &&
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!n.archived &&
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n.fields[primaryKeyField] === primaryKeyValue &&
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(scope == null ||
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isSameLatestScopeBucket(n, {
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type,
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primaryKeyValue,
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primaryKeyField,
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scope,
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})),
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);
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if (candidates.length === 0) return null;
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return candidates.sort((a, b) => b.seq - a.seq)[0];
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}
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// ==================== 边操作 ====================
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/**
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* 创建边
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* @param {object} params
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* @returns {object} 新边
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*/
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export function createEdge({
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fromId,
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toId,
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relation = "related",
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strength = 0.8,
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edgeType = 0,
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scope = undefined,
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}) {
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return {
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id: uuid(),
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fromId,
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toId,
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relation,
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strength: Math.max(0, Math.min(1, strength)),
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edgeType,
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createdTime: Date.now(),
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// Graphiti 启发的时序字段
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validAt: Date.now(), // 关系生效时间
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invalidAt: null, // 关系失效时间（null = 当前有效）
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expiredAt: null, // 系统标记过期时间
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scope: normalizeMemoryScope(scope),
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};
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}
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/**
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* 在图中添加边（检查节点存在性）
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* @param {GraphState} graph
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* @param {object} edge
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* @returns {object|null} 添加的边或 null
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*/
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export function addEdge(graph, edge) {
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const from = getNode(graph, edge.fromId);
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const to = getNode(graph, edge.toId);
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if (!from || !to) return null;
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if (edge.fromId === edge.toId) return null;
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const isCurrentEdgeValid = (candidate) => {
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if (candidate.invalidAt) return false;
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if (candidate.expiredAt) return false;
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return true;
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};
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// 对当前有效边去重；历史边保留，避免历史污染当前检索
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const existing = graph.edges.find(
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(e) =>
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e.fromId === edge.fromId &&
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e.toId === edge.toId &&
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e.relation === edge.relation &&
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JSON.stringify(normalizeMemoryScope(e.scope)) ===
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JSON.stringify(normalizeMemoryScope(edge.scope)) &&
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isCurrentEdgeValid(e),
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);
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if (existing) {
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existing.strength = Math.max(existing.strength, edge.strength ?? 0);
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existing.validAt = Math.max(
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existing.validAt || 0,
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edge.validAt || Date.now(),
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);
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if (edge.invalidAt) {
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existing.invalidAt = edge.invalidAt;
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}
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if (edge.expiredAt) {
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existing.expiredAt = edge.expiredAt;
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}
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return existing;
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}
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graph.edges.push(edge);
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return edge;
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}
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/**
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* 移除边
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* @param {GraphState} graph
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* @param {string} edgeId
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* @returns {boolean}
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*/
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export function removeEdge(graph, edgeId) {
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const idx = graph.edges.findIndex((e) => e.id === edgeId);
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if (idx === -1) return false;
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graph.edges.splice(idx, 1);
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return true;
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}
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/**
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* 获取节点的所有出边
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* @param {GraphState} graph
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* @param {string} nodeId
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* @returns {object[]}
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*/
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export function getOutEdges(graph, nodeId) {
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return graph.edges.filter((e) => e.fromId === nodeId);
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}
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/**
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* 获取节点的所有入边
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* @param {GraphState} graph
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* @param {string} nodeId
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* @returns {object[]}
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*/
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export function getInEdges(graph, nodeId) {
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return graph.edges.filter((e) => e.toId === nodeId);
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}
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/**
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* 获取连接到节点的所有边（入+出）
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* @param {GraphState} graph
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* @param {string} nodeId
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* @returns {object[]}
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*/
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export function getNodeEdges(graph, nodeId) {
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return graph.edges.filter((e) => e.fromId === nodeId || e.toId === nodeId);
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}
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// ==================== 查询辅助 ====================
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/**
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* 构建邻接表（用于扩散引擎）
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* @param {GraphState} graph
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* @returns {Map<string, Array<{targetId: string, strength: number, edgeType: number}>>}
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*/
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export function buildAdjacencyMap(graph) {
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const adj = new Map();
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const activeNodeIds = new Set(
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graph.nodes.filter((node) => !node.archived).map((node) => node.id),
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);
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|
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for (const edge of graph.edges) {
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if (!isEdgeActive(edge)) continue;
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if (!activeNodeIds.has(edge.fromId) || !activeNodeIds.has(edge.toId)) {
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continue;
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}
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if (!adj.has(edge.fromId)) adj.set(edge.fromId, []);
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adj.get(edge.fromId).push({
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targetId: edge.toId,
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strength: edge.strength,
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edgeType: edge.edgeType,
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});
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|
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if (!adj.has(edge.toId)) adj.set(edge.toId, []);
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adj.get(edge.toId).push({
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targetId: edge.fromId,
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||||
strength: edge.strength,
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||||
edgeType: edge.edgeType,
|
||||
});
|
||||
}
|
||||
|
||||
return adj;
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||||
}
|
||||
|
||||
/**
|
||||
* 构建时序感知邻接表（过滤失效边）
|
||||
* Graphiti 启发：只纳入 "当前有效" 的边
|
||||
* @param {GraphState} graph
|
||||
* @returns {Map}
|
||||
*/
|
||||
export function buildTemporalAdjacencyMap(graph, options = {}) {
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||||
const adj = new Map();
|
||||
adj.syntheticEdgeCount = 0;
|
||||
const activeNodeIds = new Set(
|
||||
graph.nodes.filter((node) => !node.archived).map((node) => node.id),
|
||||
);
|
||||
const includeTemporalLinks = options.includeTemporalLinks !== false;
|
||||
const temporalLinkStrength = Math.max(
|
||||
0,
|
||||
Math.min(1, Number(options.temporalLinkStrength) || 0.2),
|
||||
);
|
||||
|
||||
for (const edge of graph.edges) {
|
||||
if (!isEdgeActive(edge)) continue;
|
||||
if (!activeNodeIds.has(edge.fromId) || !activeNodeIds.has(edge.toId)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
addAdjacencyPair(adj, edge.fromId, edge.toId, edge.strength, edge.edgeType);
|
||||
}
|
||||
|
||||
if (includeTemporalLinks && temporalLinkStrength > 0) {
|
||||
const activeNodes = graph.nodes.filter(
|
||||
(node) => !node.archived && activeNodeIds.has(node.id),
|
||||
);
|
||||
const seenPairs = new Set();
|
||||
|
||||
for (const node of activeNodes) {
|
||||
for (const neighborId of [node.prevId, node.nextId]) {
|
||||
if (!neighborId || !activeNodeIds.has(neighborId)) continue;
|
||||
const key = [node.id, neighborId].sort().join("::");
|
||||
if (seenPairs.has(key)) continue;
|
||||
seenPairs.add(key);
|
||||
addAdjacencyPair(adj, node.id, neighborId, temporalLinkStrength, 0);
|
||||
adj.syntheticEdgeCount += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return adj;
|
||||
}
|
||||
|
||||
function addAdjacencyPair(adj, fromId, toId, strength, edgeType) {
|
||||
if (!adj.has(fromId)) adj.set(fromId, []);
|
||||
adj.get(fromId).push({
|
||||
targetId: toId,
|
||||
strength,
|
||||
edgeType,
|
||||
});
|
||||
|
||||
if (!adj.has(toId)) adj.set(toId, []);
|
||||
adj.get(toId).push({
|
||||
targetId: fromId,
|
||||
strength,
|
||||
edgeType,
|
||||
});
|
||||
}
|
||||
|
||||
function isEdgeActive(edge, now = Date.now()) {
|
||||
if (!edge) return false;
|
||||
if (edge.invalidAt && edge.invalidAt <= now) return false;
|
||||
if (edge.expiredAt && edge.expiredAt <= now) return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* 将边标记为失效（不删除，保留历史）
|
||||
* @param {object} edge
|
||||
*/
|
||||
export function invalidateEdge(edge) {
|
||||
if (!edge) return;
|
||||
if (!edge.invalidAt) {
|
||||
edge.invalidAt = Date.now();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取图的统计信息
|
||||
* @param {GraphState} graph
|
||||
* @returns {object}
|
||||
*/
|
||||
export function getGraphStats(graph) {
|
||||
const activeNodes = graph.nodes.filter((n) => !n.archived);
|
||||
const archivedNodes = graph.nodes.filter((n) => n.archived);
|
||||
const typeCounts = {};
|
||||
for (const node of activeNodes) {
|
||||
typeCounts[node.type] = (typeCounts[node.type] || 0) + 1;
|
||||
}
|
||||
|
||||
return {
|
||||
totalNodes: graph.nodes.length,
|
||||
activeNodes: activeNodes.length,
|
||||
archivedNodes: archivedNodes.length,
|
||||
totalEdges: graph.edges.length,
|
||||
lastProcessedSeq: graph.lastProcessedSeq,
|
||||
typeCounts,
|
||||
};
|
||||
}
|
||||
|
||||
// ==================== 序列化 ====================
|
||||
|
||||
/**
|
||||
* 序列化图状态为 JSON 字符串
|
||||
* @param {GraphState} graph
|
||||
* @returns {string}
|
||||
*/
|
||||
export function serializeGraph(graph) {
|
||||
return JSON.stringify(graph);
|
||||
}
|
||||
|
||||
/**
|
||||
* 从 JSON 反序列化图状态
|
||||
* @param {string} json
|
||||
* @returns {GraphState}
|
||||
*/
|
||||
export function deserializeGraph(json) {
|
||||
try {
|
||||
const data = typeof json === "string" ? JSON.parse(json) : json;
|
||||
|
||||
if (!data || data.version === undefined) {
|
||||
return createEmptyGraph();
|
||||
}
|
||||
|
||||
if (data.version < GRAPH_VERSION) {
|
||||
debugLog(`[ST-BME] 图版本迁移 v${data.version} → v${GRAPH_VERSION}`);
|
||||
|
||||
if (data.version < 2 && data.edges) {
|
||||
for (const edge of data.edges) {
|
||||
if (edge.validAt === undefined)
|
||||
edge.validAt = edge.createdTime || Date.now();
|
||||
if (edge.invalidAt === undefined) edge.invalidAt = null;
|
||||
if (edge.expiredAt === undefined) edge.expiredAt = null;
|
||||
}
|
||||
}
|
||||
|
||||
if (data.version < 3) {
|
||||
if (typeof data.lastProcessedSeq !== "number") {
|
||||
data.lastProcessedSeq = -1;
|
||||
}
|
||||
for (const node of data.nodes || []) {
|
||||
if (!Array.isArray(node.seqRange)) {
|
||||
const seq = Number.isFinite(node.seq) ? node.seq : 0;
|
||||
node.seqRange = [seq, seq];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (data.version < 4) {
|
||||
data.historyState = {
|
||||
...createDefaultHistoryState(),
|
||||
...(data.historyState || {}),
|
||||
lastProcessedAssistantFloor: Number.isFinite(data.lastProcessedSeq)
|
||||
? data.lastProcessedSeq
|
||||
: -1,
|
||||
};
|
||||
data.vectorIndexState = {
|
||||
...createDefaultVectorIndexState(),
|
||||
...(data.vectorIndexState || {}),
|
||||
dirty: true,
|
||||
lastWarning: "旧版本图谱已迁移，需要重建向量运行时状态",
|
||||
};
|
||||
data.batchJournal = Array.isArray(data.batchJournal)
|
||||
? data.batchJournal
|
||||
: createDefaultBatchJournal();
|
||||
}
|
||||
|
||||
if (data.version < 5) {
|
||||
data.historyState = {
|
||||
...createDefaultHistoryState(),
|
||||
...(data.historyState || {}),
|
||||
extractionCount: Number.isFinite(data?.historyState?.extractionCount)
|
||||
? data.historyState.extractionCount
|
||||
: 0,
|
||||
lastMutationSource: String(
|
||||
data?.historyState?.lastMutationSource || "",
|
||||
),
|
||||
};
|
||||
data.batchJournal = Array.isArray(data.batchJournal)
|
||||
? data.batchJournal
|
||||
: createDefaultBatchJournal();
|
||||
}
|
||||
|
||||
if (data.version < 6) {
|
||||
for (const node of data.nodes || []) {
|
||||
node.scope = normalizeMemoryScope(node?.scope);
|
||||
}
|
||||
for (const edge of data.edges || []) {
|
||||
edge.scope = normalizeMemoryScope(edge?.scope);
|
||||
}
|
||||
}
|
||||
|
||||
data.version = GRAPH_VERSION;
|
||||
}
|
||||
|
||||
data.nodes = (data.nodes || []).map((node) => {
|
||||
const seq = Number.isFinite(node.seq) ? node.seq : 0;
|
||||
return {
|
||||
level: 0,
|
||||
parentId: null,
|
||||
childIds: [],
|
||||
accessCount: 0,
|
||||
lastAccessTime: node.createdTime || Date.now(),
|
||||
prevId: null,
|
||||
nextId: null,
|
||||
clusters: [],
|
||||
...node,
|
||||
seq,
|
||||
seqRange: Array.isArray(node.seqRange) ? node.seqRange : [seq, seq],
|
||||
scope: normalizeNodeMemoryScope(node),
|
||||
};
|
||||
});
|
||||
data.edges = (data.edges || []).map((edge) => {
|
||||
const normalizedEdge = {
|
||||
createdTime: Date.now(),
|
||||
validAt: edge?.createdTime || Date.now(),
|
||||
invalidAt: null,
|
||||
expiredAt: null,
|
||||
...edge,
|
||||
};
|
||||
normalizedEdge.scope = normalizeEdgeMemoryScope(normalizedEdge);
|
||||
return normalizedEdge;
|
||||
});
|
||||
data.lastProcessedSeq = Number.isFinite(data.lastProcessedSeq)
|
||||
? data.lastProcessedSeq
|
||||
: -1;
|
||||
data.lastRecallResult = Array.isArray(data.lastRecallResult)
|
||||
? data.lastRecallResult
|
||||
: null;
|
||||
data.historyState = {
|
||||
...createDefaultHistoryState(),
|
||||
...(data.historyState || {}),
|
||||
lastProcessedAssistantFloor: Number.isFinite(
|
||||
data?.historyState?.lastProcessedAssistantFloor,
|
||||
)
|
||||
? data.historyState.lastProcessedAssistantFloor
|
||||
: data.lastProcessedSeq,
|
||||
extractionCount: Number.isFinite(data?.historyState?.extractionCount)
|
||||
? data.historyState.extractionCount
|
||||
: 0,
|
||||
lastMutationSource: String(data?.historyState?.lastMutationSource || ""),
|
||||
};
|
||||
data.vectorIndexState = {
|
||||
...createDefaultVectorIndexState(data?.historyState?.chatId || ""),
|
||||
...(data.vectorIndexState || {}),
|
||||
};
|
||||
data.batchJournal = Array.isArray(data.batchJournal)
|
||||
? data.batchJournal
|
||||
: createDefaultBatchJournal();
|
||||
|
||||
return normalizeGraphRuntimeState(data, data?.historyState?.chatId || "");
|
||||
} catch (e) {
|
||||
console.error("[ST-BME] 图反序列化失败:", e);
|
||||
return createEmptyGraph();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 导出图数据（不含 embedding 以减小体积）
|
||||
* @param {GraphState} graph
|
||||
* @returns {string} JSON 字符串
|
||||
*/
|
||||
export function exportGraph(graph) {
|
||||
const exportData = {
|
||||
...graph,
|
||||
historyState: {
|
||||
...createDefaultHistoryState(graph?.historyState?.chatId || ""),
|
||||
lastProcessedAssistantFloor:
|
||||
graph?.historyState?.lastProcessedAssistantFloor ??
|
||||
graph?.lastProcessedSeq ??
|
||||
-1,
|
||||
},
|
||||
vectorIndexState: {
|
||||
...createDefaultVectorIndexState(graph?.historyState?.chatId || ""),
|
||||
dirty: true,
|
||||
lastWarning: "导出图谱不包含运行时向量索引",
|
||||
},
|
||||
batchJournal: createDefaultBatchJournal(),
|
||||
nodes: graph.nodes.map((n) => ({ ...n, embedding: null })),
|
||||
};
|
||||
return JSON.stringify(exportData, null, 2);
|
||||
}
|
||||
|
||||
/**
|
||||
* 导入图数据
|
||||
* @param {string} json
|
||||
* @returns {GraphState}
|
||||
*/
|
||||
export function importGraph(json) {
|
||||
const graph = normalizeGraphRuntimeState(deserializeGraph(json));
|
||||
// 导入的节点需要重新生成 embedding
|
||||
for (const node of graph.nodes) {
|
||||
node.embedding = null;
|
||||
}
|
||||
graph.batchJournal = createDefaultBatchJournal();
|
||||
graph.historyState.processedMessageHashVersion =
|
||||
PROCESSED_MESSAGE_HASH_VERSION;
|
||||
graph.historyState.processedMessageHashes = {};
|
||||
graph.historyState.processedMessageHashesNeedRefresh = true;
|
||||
graph.historyState.historyDirtyFrom = null;
|
||||
graph.vectorIndexState.hashToNodeId = {};
|
||||
graph.vectorIndexState.nodeToHash = {};
|
||||
graph.vectorIndexState.dirty = true;
|
||||
graph.vectorIndexState.lastWarning = "导入图谱后需要重建向量索引";
|
||||
return graph;
|
||||
}
|
||||
Reference in New Issue
Block a user