Files
openclaw/src/memory/manager-sync-ops.ts
2026-02-22 15:12:07 -08:00

1211 lines
38 KiB
TypeScript

import { randomUUID } from "node:crypto";
import fsSync from "node:fs";
import fs from "node:fs/promises";
import path from "node:path";
import type { DatabaseSync } from "node:sqlite";
import chokidar, { FSWatcher } from "chokidar";
import { resolveAgentDir } from "../agents/agent-scope.js";
import { ResolvedMemorySearchConfig } from "../agents/memory-search.js";
import { type OpenClawConfig } from "../config/config.js";
import { resolveSessionTranscriptsDirForAgent } from "../config/sessions/paths.js";
import { createSubsystemLogger } from "../logging/subsystem.js";
import { onSessionTranscriptUpdate } from "../sessions/transcript-events.js";
import { resolveUserPath } from "../utils.js";
import { DEFAULT_GEMINI_EMBEDDING_MODEL } from "./embeddings-gemini.js";
import { DEFAULT_OPENAI_EMBEDDING_MODEL } from "./embeddings-openai.js";
import { DEFAULT_VOYAGE_EMBEDDING_MODEL } from "./embeddings-voyage.js";
import {
createEmbeddingProvider,
type EmbeddingProvider,
type GeminiEmbeddingClient,
type OpenAiEmbeddingClient,
type VoyageEmbeddingClient,
} from "./embeddings.js";
import { isFileMissingError } from "./fs-utils.js";
import {
buildFileEntry,
ensureDir,
listMemoryFiles,
normalizeExtraMemoryPaths,
runWithConcurrency,
} from "./internal.js";
import { type MemoryFileEntry } from "./internal.js";
import { ensureMemoryIndexSchema } from "./memory-schema.js";
import type { SessionFileEntry } from "./session-files.js";
import {
buildSessionEntry,
listSessionFilesForAgent,
sessionPathForFile,
} from "./session-files.js";
import { loadSqliteVecExtension } from "./sqlite-vec.js";
import { requireNodeSqlite } from "./sqlite.js";
import type { MemorySource, MemorySyncProgressUpdate } from "./types.js";
type MemoryIndexMeta = {
model: string;
provider: string;
providerKey?: string;
sources?: MemorySource[];
chunkTokens: number;
chunkOverlap: number;
vectorDims?: number;
};
type MemorySyncProgressState = {
completed: number;
total: number;
label?: string;
report: (update: MemorySyncProgressUpdate) => void;
};
const META_KEY = "memory_index_meta_v1";
const VECTOR_TABLE = "chunks_vec";
const FTS_TABLE = "chunks_fts";
const EMBEDDING_CACHE_TABLE = "embedding_cache";
const SESSION_DIRTY_DEBOUNCE_MS = 5000;
const SESSION_DELTA_READ_CHUNK_BYTES = 64 * 1024;
const VECTOR_LOAD_TIMEOUT_MS = 30_000;
const IGNORED_MEMORY_WATCH_DIR_NAMES = new Set([
".git",
"node_modules",
".pnpm-store",
".venv",
"venv",
".tox",
"__pycache__",
]);
const log = createSubsystemLogger("memory");
function shouldIgnoreMemoryWatchPath(watchPath: string): boolean {
const normalized = path.normalize(watchPath);
const parts = normalized.split(path.sep).map((segment) => segment.trim().toLowerCase());
return parts.some((segment) => IGNORED_MEMORY_WATCH_DIR_NAMES.has(segment));
}
export abstract class MemoryManagerSyncOps {
protected abstract readonly cfg: OpenClawConfig;
protected abstract readonly agentId: string;
protected abstract readonly workspaceDir: string;
protected abstract readonly settings: ResolvedMemorySearchConfig;
protected provider: EmbeddingProvider | null = null;
protected fallbackFrom?: "openai" | "local" | "gemini" | "voyage";
protected openAi?: OpenAiEmbeddingClient;
protected gemini?: GeminiEmbeddingClient;
protected voyage?: VoyageEmbeddingClient;
protected abstract batch: {
enabled: boolean;
wait: boolean;
concurrency: number;
pollIntervalMs: number;
timeoutMs: number;
};
protected readonly sources: Set<MemorySource> = new Set();
protected providerKey: string | null = null;
protected abstract readonly vector: {
enabled: boolean;
available: boolean | null;
extensionPath?: string;
loadError?: string;
dims?: number;
};
protected readonly fts: {
enabled: boolean;
available: boolean;
loadError?: string;
} = { enabled: false, available: false };
protected vectorReady: Promise<boolean> | null = null;
protected watcher: FSWatcher | null = null;
protected watchTimer: NodeJS.Timeout | null = null;
protected sessionWatchTimer: NodeJS.Timeout | null = null;
protected sessionUnsubscribe: (() => void) | null = null;
protected fallbackReason?: string;
protected intervalTimer: NodeJS.Timeout | null = null;
protected closed = false;
protected dirty = false;
protected sessionsDirty = false;
protected sessionsDirtyFiles = new Set<string>();
protected sessionPendingFiles = new Set<string>();
protected sessionDeltas = new Map<
string,
{ lastSize: number; pendingBytes: number; pendingMessages: number }
>();
protected abstract readonly cache: { enabled: boolean; maxEntries?: number };
protected abstract db: DatabaseSync;
protected abstract computeProviderKey(): string;
protected abstract sync(params?: {
reason?: string;
force?: boolean;
progress?: (update: MemorySyncProgressUpdate) => void;
}): Promise<void>;
protected abstract withTimeout<T>(
promise: Promise<T>,
timeoutMs: number,
message: string,
): Promise<T>;
protected abstract getIndexConcurrency(): number;
protected abstract pruneEmbeddingCacheIfNeeded(): void;
protected abstract indexFile(
entry: MemoryFileEntry | SessionFileEntry,
options: { source: MemorySource; content?: string },
): Promise<void>;
protected async ensureVectorReady(dimensions?: number): Promise<boolean> {
if (!this.vector.enabled) {
return false;
}
if (!this.vectorReady) {
this.vectorReady = this.withTimeout(
this.loadVectorExtension(),
VECTOR_LOAD_TIMEOUT_MS,
`sqlite-vec load timed out after ${Math.round(VECTOR_LOAD_TIMEOUT_MS / 1000)}s`,
);
}
let ready = false;
try {
ready = (await this.vectorReady) || false;
} catch (err) {
const message = err instanceof Error ? err.message : String(err);
this.vector.available = false;
this.vector.loadError = message;
this.vectorReady = null;
log.warn(`sqlite-vec unavailable: ${message}`);
return false;
}
if (ready && typeof dimensions === "number" && dimensions > 0) {
this.ensureVectorTable(dimensions);
}
return ready;
}
private async loadVectorExtension(): Promise<boolean> {
if (this.vector.available !== null) {
return this.vector.available;
}
if (!this.vector.enabled) {
this.vector.available = false;
return false;
}
try {
const resolvedPath = this.vector.extensionPath?.trim()
? resolveUserPath(this.vector.extensionPath)
: undefined;
const loaded = await loadSqliteVecExtension({ db: this.db, extensionPath: resolvedPath });
if (!loaded.ok) {
throw new Error(loaded.error ?? "unknown sqlite-vec load error");
}
this.vector.extensionPath = loaded.extensionPath;
this.vector.available = true;
return true;
} catch (err) {
const message = err instanceof Error ? err.message : String(err);
this.vector.available = false;
this.vector.loadError = message;
log.warn(`sqlite-vec unavailable: ${message}`);
return false;
}
}
private ensureVectorTable(dimensions: number): void {
if (this.vector.dims === dimensions) {
return;
}
if (this.vector.dims && this.vector.dims !== dimensions) {
this.dropVectorTable();
}
this.db.exec(
`CREATE VIRTUAL TABLE IF NOT EXISTS ${VECTOR_TABLE} USING vec0(\n` +
` id TEXT PRIMARY KEY,\n` +
` embedding FLOAT[${dimensions}]\n` +
`)`,
);
this.vector.dims = dimensions;
}
private dropVectorTable(): void {
try {
this.db.exec(`DROP TABLE IF EXISTS ${VECTOR_TABLE}`);
} catch (err) {
const message = err instanceof Error ? err.message : String(err);
log.debug(`Failed to drop ${VECTOR_TABLE}: ${message}`);
}
}
protected buildSourceFilter(alias?: string): { sql: string; params: MemorySource[] } {
const sources = Array.from(this.sources);
if (sources.length === 0) {
return { sql: "", params: [] };
}
const column = alias ? `${alias}.source` : "source";
const placeholders = sources.map(() => "?").join(", ");
return { sql: ` AND ${column} IN (${placeholders})`, params: sources };
}
protected openDatabase(): DatabaseSync {
const dbPath = resolveUserPath(this.settings.store.path);
return this.openDatabaseAtPath(dbPath);
}
private openDatabaseAtPath(dbPath: string): DatabaseSync {
const dir = path.dirname(dbPath);
ensureDir(dir);
const { DatabaseSync } = requireNodeSqlite();
return new DatabaseSync(dbPath, { allowExtension: this.settings.store.vector.enabled });
}
private seedEmbeddingCache(sourceDb: DatabaseSync): void {
if (!this.cache.enabled) {
return;
}
try {
const rows = sourceDb
.prepare(
`SELECT provider, model, provider_key, hash, embedding, dims, updated_at FROM ${EMBEDDING_CACHE_TABLE}`,
)
.all() as Array<{
provider: string;
model: string;
provider_key: string;
hash: string;
embedding: string;
dims: number | null;
updated_at: number;
}>;
if (!rows.length) {
return;
}
const insert = this.db.prepare(
`INSERT INTO ${EMBEDDING_CACHE_TABLE} (provider, model, provider_key, hash, embedding, dims, updated_at)
VALUES (?, ?, ?, ?, ?, ?, ?)
ON CONFLICT(provider, model, provider_key, hash) DO UPDATE SET
embedding=excluded.embedding,
dims=excluded.dims,
updated_at=excluded.updated_at`,
);
this.db.exec("BEGIN");
for (const row of rows) {
insert.run(
row.provider,
row.model,
row.provider_key,
row.hash,
row.embedding,
row.dims,
row.updated_at,
);
}
this.db.exec("COMMIT");
} catch (err) {
try {
this.db.exec("ROLLBACK");
} catch {}
throw err;
}
}
private async swapIndexFiles(targetPath: string, tempPath: string): Promise<void> {
const backupPath = `${targetPath}.backup-${randomUUID()}`;
await this.moveIndexFiles(targetPath, backupPath);
try {
await this.moveIndexFiles(tempPath, targetPath);
} catch (err) {
await this.moveIndexFiles(backupPath, targetPath);
throw err;
}
await this.removeIndexFiles(backupPath);
}
private async moveIndexFiles(sourceBase: string, targetBase: string): Promise<void> {
const suffixes = ["", "-wal", "-shm"];
for (const suffix of suffixes) {
const source = `${sourceBase}${suffix}`;
const target = `${targetBase}${suffix}`;
try {
await fs.rename(source, target);
} catch (err) {
if ((err as NodeJS.ErrnoException).code !== "ENOENT") {
throw err;
}
}
}
}
private async removeIndexFiles(basePath: string): Promise<void> {
const suffixes = ["", "-wal", "-shm"];
await Promise.all(suffixes.map((suffix) => fs.rm(`${basePath}${suffix}`, { force: true })));
}
protected ensureSchema() {
const result = ensureMemoryIndexSchema({
db: this.db,
embeddingCacheTable: EMBEDDING_CACHE_TABLE,
ftsTable: FTS_TABLE,
ftsEnabled: this.fts.enabled,
});
this.fts.available = result.ftsAvailable;
if (result.ftsError) {
this.fts.loadError = result.ftsError;
log.warn(`fts unavailable: ${result.ftsError}`);
}
}
protected ensureWatcher() {
if (!this.sources.has("memory") || !this.settings.sync.watch || this.watcher) {
return;
}
const watchPaths = new Set<string>([
path.join(this.workspaceDir, "MEMORY.md"),
path.join(this.workspaceDir, "memory.md"),
path.join(this.workspaceDir, "memory", "**", "*.md"),
]);
const additionalPaths = normalizeExtraMemoryPaths(this.workspaceDir, this.settings.extraPaths);
for (const entry of additionalPaths) {
try {
const stat = fsSync.lstatSync(entry);
if (stat.isSymbolicLink()) {
continue;
}
if (stat.isDirectory()) {
watchPaths.add(path.join(entry, "**", "*.md"));
continue;
}
if (stat.isFile() && entry.toLowerCase().endsWith(".md")) {
watchPaths.add(entry);
}
} catch {
// Skip missing/unreadable additional paths.
}
}
this.watcher = chokidar.watch(Array.from(watchPaths), {
ignoreInitial: true,
ignored: (watchPath) => shouldIgnoreMemoryWatchPath(String(watchPath)),
awaitWriteFinish: {
stabilityThreshold: this.settings.sync.watchDebounceMs,
pollInterval: 100,
},
});
const markDirty = () => {
this.dirty = true;
this.scheduleWatchSync();
};
this.watcher.on("add", markDirty);
this.watcher.on("change", markDirty);
this.watcher.on("unlink", markDirty);
}
protected ensureSessionListener() {
if (!this.sources.has("sessions") || this.sessionUnsubscribe) {
return;
}
this.sessionUnsubscribe = onSessionTranscriptUpdate((update) => {
if (this.closed) {
return;
}
const sessionFile = update.sessionFile;
if (!this.isSessionFileForAgent(sessionFile)) {
return;
}
this.scheduleSessionDirty(sessionFile);
});
}
private scheduleSessionDirty(sessionFile: string) {
this.sessionPendingFiles.add(sessionFile);
if (this.sessionWatchTimer) {
return;
}
this.sessionWatchTimer = setTimeout(() => {
this.sessionWatchTimer = null;
void this.processSessionDeltaBatch().catch((err) => {
log.warn(`memory session delta failed: ${String(err)}`);
});
}, SESSION_DIRTY_DEBOUNCE_MS);
}
private async processSessionDeltaBatch(): Promise<void> {
if (this.sessionPendingFiles.size === 0) {
return;
}
const pending = Array.from(this.sessionPendingFiles);
this.sessionPendingFiles.clear();
let shouldSync = false;
for (const sessionFile of pending) {
const delta = await this.updateSessionDelta(sessionFile);
if (!delta) {
continue;
}
const bytesThreshold = delta.deltaBytes;
const messagesThreshold = delta.deltaMessages;
const bytesHit =
bytesThreshold <= 0 ? delta.pendingBytes > 0 : delta.pendingBytes >= bytesThreshold;
const messagesHit =
messagesThreshold <= 0
? delta.pendingMessages > 0
: delta.pendingMessages >= messagesThreshold;
if (!bytesHit && !messagesHit) {
continue;
}
this.sessionsDirtyFiles.add(sessionFile);
this.sessionsDirty = true;
delta.pendingBytes =
bytesThreshold > 0 ? Math.max(0, delta.pendingBytes - bytesThreshold) : 0;
delta.pendingMessages =
messagesThreshold > 0 ? Math.max(0, delta.pendingMessages - messagesThreshold) : 0;
shouldSync = true;
}
if (shouldSync) {
void this.sync({ reason: "session-delta" }).catch((err) => {
log.warn(`memory sync failed (session-delta): ${String(err)}`);
});
}
}
private async updateSessionDelta(sessionFile: string): Promise<{
deltaBytes: number;
deltaMessages: number;
pendingBytes: number;
pendingMessages: number;
} | null> {
const thresholds = this.settings.sync.sessions;
if (!thresholds) {
return null;
}
let stat: { size: number };
try {
stat = await fs.stat(sessionFile);
} catch {
return null;
}
const size = stat.size;
let state = this.sessionDeltas.get(sessionFile);
if (!state) {
state = { lastSize: 0, pendingBytes: 0, pendingMessages: 0 };
this.sessionDeltas.set(sessionFile, state);
}
const deltaBytes = Math.max(0, size - state.lastSize);
if (deltaBytes === 0 && size === state.lastSize) {
return {
deltaBytes: thresholds.deltaBytes,
deltaMessages: thresholds.deltaMessages,
pendingBytes: state.pendingBytes,
pendingMessages: state.pendingMessages,
};
}
if (size < state.lastSize) {
state.lastSize = size;
state.pendingBytes += size;
const shouldCountMessages =
thresholds.deltaMessages > 0 &&
(thresholds.deltaBytes <= 0 || state.pendingBytes < thresholds.deltaBytes);
if (shouldCountMessages) {
state.pendingMessages += await this.countNewlines(sessionFile, 0, size);
}
} else {
state.pendingBytes += deltaBytes;
const shouldCountMessages =
thresholds.deltaMessages > 0 &&
(thresholds.deltaBytes <= 0 || state.pendingBytes < thresholds.deltaBytes);
if (shouldCountMessages) {
state.pendingMessages += await this.countNewlines(sessionFile, state.lastSize, size);
}
state.lastSize = size;
}
this.sessionDeltas.set(sessionFile, state);
return {
deltaBytes: thresholds.deltaBytes,
deltaMessages: thresholds.deltaMessages,
pendingBytes: state.pendingBytes,
pendingMessages: state.pendingMessages,
};
}
private async countNewlines(absPath: string, start: number, end: number): Promise<number> {
if (end <= start) {
return 0;
}
let handle;
try {
handle = await fs.open(absPath, "r");
} catch (err) {
if (isFileMissingError(err)) {
return 0;
}
throw err;
}
try {
let offset = start;
let count = 0;
const buffer = Buffer.alloc(SESSION_DELTA_READ_CHUNK_BYTES);
while (offset < end) {
const toRead = Math.min(buffer.length, end - offset);
const { bytesRead } = await handle.read(buffer, 0, toRead, offset);
if (bytesRead <= 0) {
break;
}
for (let i = 0; i < bytesRead; i += 1) {
if (buffer[i] === 10) {
count += 1;
}
}
offset += bytesRead;
}
return count;
} finally {
await handle.close();
}
}
private resetSessionDelta(absPath: string, size: number): void {
const state = this.sessionDeltas.get(absPath);
if (!state) {
return;
}
state.lastSize = size;
state.pendingBytes = 0;
state.pendingMessages = 0;
}
private isSessionFileForAgent(sessionFile: string): boolean {
if (!sessionFile) {
return false;
}
const sessionsDir = resolveSessionTranscriptsDirForAgent(this.agentId);
const resolvedFile = path.resolve(sessionFile);
const resolvedDir = path.resolve(sessionsDir);
return resolvedFile.startsWith(`${resolvedDir}${path.sep}`);
}
protected ensureIntervalSync() {
const minutes = this.settings.sync.intervalMinutes;
if (!minutes || minutes <= 0 || this.intervalTimer) {
return;
}
const ms = minutes * 60 * 1000;
this.intervalTimer = setInterval(() => {
void this.sync({ reason: "interval" }).catch((err) => {
log.warn(`memory sync failed (interval): ${String(err)}`);
});
}, ms);
}
private scheduleWatchSync() {
if (!this.sources.has("memory") || !this.settings.sync.watch) {
return;
}
if (this.watchTimer) {
clearTimeout(this.watchTimer);
}
this.watchTimer = setTimeout(() => {
this.watchTimer = null;
void this.sync({ reason: "watch" }).catch((err) => {
log.warn(`memory sync failed (watch): ${String(err)}`);
});
}, this.settings.sync.watchDebounceMs);
}
private shouldSyncSessions(
params?: { reason?: string; force?: boolean },
needsFullReindex = false,
) {
if (!this.sources.has("sessions")) {
return false;
}
if (params?.force) {
return true;
}
const reason = params?.reason;
if (reason === "session-start" || reason === "watch") {
return false;
}
if (needsFullReindex) {
return true;
}
return this.sessionsDirty && this.sessionsDirtyFiles.size > 0;
}
private async syncMemoryFiles(params: {
needsFullReindex: boolean;
progress?: MemorySyncProgressState;
}) {
// FTS-only mode: skip embedding sync (no provider)
if (!this.provider) {
log.debug("Skipping memory file sync in FTS-only mode (no embedding provider)");
return;
}
const files = await listMemoryFiles(this.workspaceDir, this.settings.extraPaths);
const fileEntries = (
await Promise.all(files.map(async (file) => buildFileEntry(file, this.workspaceDir)))
).filter((entry): entry is MemoryFileEntry => entry !== null);
log.debug("memory sync: indexing memory files", {
files: fileEntries.length,
needsFullReindex: params.needsFullReindex,
batch: this.batch.enabled,
concurrency: this.getIndexConcurrency(),
});
const activePaths = new Set(fileEntries.map((entry) => entry.path));
if (params.progress) {
params.progress.total += fileEntries.length;
params.progress.report({
completed: params.progress.completed,
total: params.progress.total,
label: this.batch.enabled ? "Indexing memory files (batch)..." : "Indexing memory files…",
});
}
const tasks = fileEntries.map((entry) => async () => {
const record = this.db
.prepare(`SELECT hash FROM files WHERE path = ? AND source = ?`)
.get(entry.path, "memory") as { hash: string } | undefined;
if (!params.needsFullReindex && record?.hash === entry.hash) {
if (params.progress) {
params.progress.completed += 1;
params.progress.report({
completed: params.progress.completed,
total: params.progress.total,
});
}
return;
}
await this.indexFile(entry, { source: "memory" });
if (params.progress) {
params.progress.completed += 1;
params.progress.report({
completed: params.progress.completed,
total: params.progress.total,
});
}
});
await runWithConcurrency(tasks, this.getIndexConcurrency());
const staleRows = this.db
.prepare(`SELECT path FROM files WHERE source = ?`)
.all("memory") as Array<{ path: string }>;
for (const stale of staleRows) {
if (activePaths.has(stale.path)) {
continue;
}
this.db.prepare(`DELETE FROM files WHERE path = ? AND source = ?`).run(stale.path, "memory");
try {
this.db
.prepare(
`DELETE FROM ${VECTOR_TABLE} WHERE id IN (SELECT id FROM chunks WHERE path = ? AND source = ?)`,
)
.run(stale.path, "memory");
} catch {}
this.db.prepare(`DELETE FROM chunks WHERE path = ? AND source = ?`).run(stale.path, "memory");
if (this.fts.enabled && this.fts.available) {
try {
this.db
.prepare(`DELETE FROM ${FTS_TABLE} WHERE path = ? AND source = ? AND model = ?`)
.run(stale.path, "memory", this.provider.model);
} catch {}
}
}
}
private async syncSessionFiles(params: {
needsFullReindex: boolean;
progress?: MemorySyncProgressState;
}) {
// FTS-only mode: skip embedding sync (no provider)
if (!this.provider) {
log.debug("Skipping session file sync in FTS-only mode (no embedding provider)");
return;
}
const files = await listSessionFilesForAgent(this.agentId);
const activePaths = new Set(files.map((file) => sessionPathForFile(file)));
const indexAll = params.needsFullReindex || this.sessionsDirtyFiles.size === 0;
log.debug("memory sync: indexing session files", {
files: files.length,
indexAll,
dirtyFiles: this.sessionsDirtyFiles.size,
batch: this.batch.enabled,
concurrency: this.getIndexConcurrency(),
});
if (params.progress) {
params.progress.total += files.length;
params.progress.report({
completed: params.progress.completed,
total: params.progress.total,
label: this.batch.enabled ? "Indexing session files (batch)..." : "Indexing session files…",
});
}
const tasks = files.map((absPath) => async () => {
if (!indexAll && !this.sessionsDirtyFiles.has(absPath)) {
if (params.progress) {
params.progress.completed += 1;
params.progress.report({
completed: params.progress.completed,
total: params.progress.total,
});
}
return;
}
const entry = await buildSessionEntry(absPath);
if (!entry) {
if (params.progress) {
params.progress.completed += 1;
params.progress.report({
completed: params.progress.completed,
total: params.progress.total,
});
}
return;
}
const record = this.db
.prepare(`SELECT hash FROM files WHERE path = ? AND source = ?`)
.get(entry.path, "sessions") as { hash: string } | undefined;
if (!params.needsFullReindex && record?.hash === entry.hash) {
if (params.progress) {
params.progress.completed += 1;
params.progress.report({
completed: params.progress.completed,
total: params.progress.total,
});
}
this.resetSessionDelta(absPath, entry.size);
return;
}
await this.indexFile(entry, { source: "sessions", content: entry.content });
this.resetSessionDelta(absPath, entry.size);
if (params.progress) {
params.progress.completed += 1;
params.progress.report({
completed: params.progress.completed,
total: params.progress.total,
});
}
});
await runWithConcurrency(tasks, this.getIndexConcurrency());
const staleRows = this.db
.prepare(`SELECT path FROM files WHERE source = ?`)
.all("sessions") as Array<{ path: string }>;
for (const stale of staleRows) {
if (activePaths.has(stale.path)) {
continue;
}
this.db
.prepare(`DELETE FROM files WHERE path = ? AND source = ?`)
.run(stale.path, "sessions");
try {
this.db
.prepare(
`DELETE FROM ${VECTOR_TABLE} WHERE id IN (SELECT id FROM chunks WHERE path = ? AND source = ?)`,
)
.run(stale.path, "sessions");
} catch {}
this.db
.prepare(`DELETE FROM chunks WHERE path = ? AND source = ?`)
.run(stale.path, "sessions");
if (this.fts.enabled && this.fts.available) {
try {
this.db
.prepare(`DELETE FROM ${FTS_TABLE} WHERE path = ? AND source = ? AND model = ?`)
.run(stale.path, "sessions", this.provider.model);
} catch {}
}
}
}
private createSyncProgress(
onProgress: (update: MemorySyncProgressUpdate) => void,
): MemorySyncProgressState {
const state: MemorySyncProgressState = {
completed: 0,
total: 0,
label: undefined,
report: (update) => {
if (update.label) {
state.label = update.label;
}
const label =
update.total > 0 && state.label
? `${state.label} ${update.completed}/${update.total}`
: state.label;
onProgress({
completed: update.completed,
total: update.total,
label,
});
},
};
return state;
}
protected async runSync(params?: {
reason?: string;
force?: boolean;
progress?: (update: MemorySyncProgressUpdate) => void;
}) {
const progress = params?.progress ? this.createSyncProgress(params.progress) : undefined;
if (progress) {
progress.report({
completed: progress.completed,
total: progress.total,
label: "Loading vector extension…",
});
}
const vectorReady = await this.ensureVectorReady();
const meta = this.readMeta();
const configuredSources = this.resolveConfiguredSourcesForMeta();
const needsFullReindex =
params?.force ||
!meta ||
(this.provider && meta.model !== this.provider.model) ||
(this.provider && meta.provider !== this.provider.id) ||
meta.providerKey !== this.providerKey ||
this.metaSourcesDiffer(meta, configuredSources) ||
meta.chunkTokens !== this.settings.chunking.tokens ||
meta.chunkOverlap !== this.settings.chunking.overlap ||
(vectorReady && !meta?.vectorDims);
try {
if (needsFullReindex) {
if (
process.env.OPENCLAW_TEST_FAST === "1" &&
process.env.OPENCLAW_TEST_MEMORY_UNSAFE_REINDEX === "1"
) {
await this.runUnsafeReindex({
reason: params?.reason,
force: params?.force,
progress: progress ?? undefined,
});
} else {
await this.runSafeReindex({
reason: params?.reason,
force: params?.force,
progress: progress ?? undefined,
});
}
return;
}
const shouldSyncMemory =
this.sources.has("memory") && (params?.force || needsFullReindex || this.dirty);
const shouldSyncSessions = this.shouldSyncSessions(params, needsFullReindex);
if (shouldSyncMemory) {
await this.syncMemoryFiles({ needsFullReindex, progress: progress ?? undefined });
this.dirty = false;
}
if (shouldSyncSessions) {
await this.syncSessionFiles({ needsFullReindex, progress: progress ?? undefined });
this.sessionsDirty = false;
this.sessionsDirtyFiles.clear();
} else if (this.sessionsDirtyFiles.size > 0) {
this.sessionsDirty = true;
} else {
this.sessionsDirty = false;
}
} catch (err) {
const reason = err instanceof Error ? err.message : String(err);
const activated =
this.shouldFallbackOnError(reason) && (await this.activateFallbackProvider(reason));
if (activated) {
await this.runSafeReindex({
reason: params?.reason ?? "fallback",
force: true,
progress: progress ?? undefined,
});
return;
}
throw err;
}
}
private shouldFallbackOnError(message: string): boolean {
return /embedding|embeddings|batch/i.test(message);
}
protected resolveBatchConfig(): {
enabled: boolean;
wait: boolean;
concurrency: number;
pollIntervalMs: number;
timeoutMs: number;
} {
const batch = this.settings.remote?.batch;
const enabled = Boolean(
batch?.enabled &&
this.provider &&
((this.openAi && this.provider.id === "openai") ||
(this.gemini && this.provider.id === "gemini") ||
(this.voyage && this.provider.id === "voyage")),
);
return {
enabled,
wait: batch?.wait ?? true,
concurrency: Math.max(1, batch?.concurrency ?? 2),
pollIntervalMs: batch?.pollIntervalMs ?? 2000,
timeoutMs: (batch?.timeoutMinutes ?? 60) * 60 * 1000,
};
}
private async activateFallbackProvider(reason: string): Promise<boolean> {
const fallback = this.settings.fallback;
if (!fallback || fallback === "none" || !this.provider || fallback === this.provider.id) {
return false;
}
if (this.fallbackFrom) {
return false;
}
const fallbackFrom = this.provider.id as "openai" | "gemini" | "local" | "voyage";
const fallbackModel =
fallback === "gemini"
? DEFAULT_GEMINI_EMBEDDING_MODEL
: fallback === "openai"
? DEFAULT_OPENAI_EMBEDDING_MODEL
: fallback === "voyage"
? DEFAULT_VOYAGE_EMBEDDING_MODEL
: this.settings.model;
const fallbackResult = await createEmbeddingProvider({
config: this.cfg,
agentDir: resolveAgentDir(this.cfg, this.agentId),
provider: fallback,
remote: this.settings.remote,
model: fallbackModel,
fallback: "none",
local: this.settings.local,
});
this.fallbackFrom = fallbackFrom;
this.fallbackReason = reason;
this.provider = fallbackResult.provider;
this.openAi = fallbackResult.openAi;
this.gemini = fallbackResult.gemini;
this.voyage = fallbackResult.voyage;
this.providerKey = this.computeProviderKey();
this.batch = this.resolveBatchConfig();
log.warn(`memory embeddings: switched to fallback provider (${fallback})`, { reason });
return true;
}
private async runSafeReindex(params: {
reason?: string;
force?: boolean;
progress?: MemorySyncProgressState;
}): Promise<void> {
const dbPath = resolveUserPath(this.settings.store.path);
const tempDbPath = `${dbPath}.tmp-${randomUUID()}`;
const tempDb = this.openDatabaseAtPath(tempDbPath);
const originalDb = this.db;
let originalDbClosed = false;
const originalState = {
ftsAvailable: this.fts.available,
ftsError: this.fts.loadError,
vectorAvailable: this.vector.available,
vectorLoadError: this.vector.loadError,
vectorDims: this.vector.dims,
vectorReady: this.vectorReady,
};
const restoreOriginalState = () => {
if (originalDbClosed) {
this.db = this.openDatabaseAtPath(dbPath);
} else {
this.db = originalDb;
}
this.fts.available = originalState.ftsAvailable;
this.fts.loadError = originalState.ftsError;
this.vector.available = originalDbClosed ? null : originalState.vectorAvailable;
this.vector.loadError = originalState.vectorLoadError;
this.vector.dims = originalState.vectorDims;
this.vectorReady = originalDbClosed ? null : originalState.vectorReady;
};
this.db = tempDb;
this.vectorReady = null;
this.vector.available = null;
this.vector.loadError = undefined;
this.vector.dims = undefined;
this.fts.available = false;
this.fts.loadError = undefined;
this.ensureSchema();
let nextMeta: MemoryIndexMeta | null = null;
try {
this.seedEmbeddingCache(originalDb);
const shouldSyncMemory = this.sources.has("memory");
const shouldSyncSessions = this.shouldSyncSessions(
{ reason: params.reason, force: params.force },
true,
);
if (shouldSyncMemory) {
await this.syncMemoryFiles({ needsFullReindex: true, progress: params.progress });
this.dirty = false;
}
if (shouldSyncSessions) {
await this.syncSessionFiles({ needsFullReindex: true, progress: params.progress });
this.sessionsDirty = false;
this.sessionsDirtyFiles.clear();
} else if (this.sessionsDirtyFiles.size > 0) {
this.sessionsDirty = true;
} else {
this.sessionsDirty = false;
}
nextMeta = {
model: this.provider?.model ?? "fts-only",
provider: this.provider?.id ?? "none",
providerKey: this.providerKey!,
sources: this.resolveConfiguredSourcesForMeta(),
chunkTokens: this.settings.chunking.tokens,
chunkOverlap: this.settings.chunking.overlap,
};
if (!nextMeta) {
throw new Error("Failed to compute memory index metadata for reindexing.");
}
if (this.vector.available && this.vector.dims) {
nextMeta.vectorDims = this.vector.dims;
}
this.writeMeta(nextMeta);
this.pruneEmbeddingCacheIfNeeded?.();
this.db.close();
originalDb.close();
originalDbClosed = true;
await this.swapIndexFiles(dbPath, tempDbPath);
this.db = this.openDatabaseAtPath(dbPath);
this.vectorReady = null;
this.vector.available = null;
this.vector.loadError = undefined;
this.ensureSchema();
this.vector.dims = nextMeta?.vectorDims;
} catch (err) {
try {
this.db.close();
} catch {}
await this.removeIndexFiles(tempDbPath);
restoreOriginalState();
throw err;
}
}
private async runUnsafeReindex(params: {
reason?: string;
force?: boolean;
progress?: MemorySyncProgressState;
}): Promise<void> {
// Perf: for test runs, skip atomic temp-db swapping. The index is isolated
// under the per-test HOME anyway, and this cuts substantial fs+sqlite churn.
this.resetIndex();
const shouldSyncMemory = this.sources.has("memory");
const shouldSyncSessions = this.shouldSyncSessions(
{ reason: params.reason, force: params.force },
true,
);
if (shouldSyncMemory) {
await this.syncMemoryFiles({ needsFullReindex: true, progress: params.progress });
this.dirty = false;
}
if (shouldSyncSessions) {
await this.syncSessionFiles({ needsFullReindex: true, progress: params.progress });
this.sessionsDirty = false;
this.sessionsDirtyFiles.clear();
} else if (this.sessionsDirtyFiles.size > 0) {
this.sessionsDirty = true;
} else {
this.sessionsDirty = false;
}
const nextMeta: MemoryIndexMeta = {
model: this.provider?.model ?? "fts-only",
provider: this.provider?.id ?? "none",
providerKey: this.providerKey!,
sources: this.resolveConfiguredSourcesForMeta(),
chunkTokens: this.settings.chunking.tokens,
chunkOverlap: this.settings.chunking.overlap,
};
if (this.vector.available && this.vector.dims) {
nextMeta.vectorDims = this.vector.dims;
}
this.writeMeta(nextMeta);
this.pruneEmbeddingCacheIfNeeded?.();
}
private resetIndex() {
this.db.exec(`DELETE FROM files`);
this.db.exec(`DELETE FROM chunks`);
if (this.fts.enabled && this.fts.available) {
try {
this.db.exec(`DELETE FROM ${FTS_TABLE}`);
} catch {}
}
this.dropVectorTable();
this.vector.dims = undefined;
this.sessionsDirtyFiles.clear();
}
protected readMeta(): MemoryIndexMeta | null {
const row = this.db.prepare(`SELECT value FROM meta WHERE key = ?`).get(META_KEY) as
| { value: string }
| undefined;
if (!row?.value) {
return null;
}
try {
return JSON.parse(row.value) as MemoryIndexMeta;
} catch {
return null;
}
}
protected writeMeta(meta: MemoryIndexMeta) {
const value = JSON.stringify(meta);
this.db
.prepare(
`INSERT INTO meta (key, value) VALUES (?, ?) ON CONFLICT(key) DO UPDATE SET value=excluded.value`,
)
.run(META_KEY, value);
}
private resolveConfiguredSourcesForMeta(): MemorySource[] {
const normalized = Array.from(this.sources)
.filter((source): source is MemorySource => source === "memory" || source === "sessions")
.toSorted();
return normalized.length > 0 ? normalized : ["memory"];
}
private normalizeMetaSources(meta: MemoryIndexMeta): MemorySource[] {
if (!Array.isArray(meta.sources)) {
// Backward compatibility for older indexes that did not persist sources.
return ["memory"];
}
const normalized = Array.from(
new Set(
meta.sources.filter(
(source): source is MemorySource => source === "memory" || source === "sessions",
),
),
).toSorted();
return normalized.length > 0 ? normalized : ["memory"];
}
private metaSourcesDiffer(meta: MemoryIndexMeta, configuredSources: MemorySource[]): boolean {
const metaSources = this.normalizeMetaSources(meta);
if (metaSources.length !== configuredSources.length) {
return true;
}
return metaSources.some((source, index) => source !== configuredSources[index]);
}
}