import type { ChatType } from "../channels/chat-type.js" ;
import { parseAgentSessionKey, type ParsedAgentSessionKey } from "../sessions/session-key-utils.js" ;
import { normalizeLowercaseStringOrEmpty } from "../shared/string-coerce.js" ;
import { DEFAULT_ACCOUNT_ID, normalizeAccountId } from "./account-id.js" ;
export {
getSubagentDepth,
isCronSessionKey,
isAcpSessionKey,
isSubagentSessionKey,
parseAgentSessionKey,
parseThreadSessionSuffix,
type ParsedAgentSessionKey,
} from "../sessions/session-key-utils.js" ;
export {
DEFAULT_ACCOUNT_ID,
normalizeAccountId,
normalizeOptionalAccountId,
} from "./account-id.js" ;
export const DEFAULT_AGENT_ID = "main" ;
export const DEFAULT_MAIN_KEY = "main" ;
export type SessionKeyShape = "missing" | "agent" | "legacy_or_alias" | "malformed_agent" ;
// Pre-compiled regex
const VALID_ID_RE = /^[a-z0-9 ][a-z0-9 _-]{0 ,63 }$/i;
const INVALID_CHARS_RE = /[^a-z0-9 _-]+/g;
const LEADING_DASH_RE = /^-+/;
const TRAILING_DASH_RE = /-+$/;
function normalizeToken(value: string | undefined | null ): string {
return normalizeLowercaseStringOrEmpty(value);
}
export function scopedHeartbeatWakeOptions<T extends object>(
sessionKey: string,
wakeOptions: T,
): T | (T & { sessionKey: string }) {
return parseAgentSessionKey(sessionKey) ? { ...wakeOptions, sessionKey } : wakeOptions;
}
export function normalizeMainKey(value: string | undefined | null ): string {
return normalizeLowercaseStringOrEmpty(value) || DEFAULT_MAIN_KEY;
}
export function toAgentRequestSessionKey(storeKey: string | undefined | null ): string | undefined {
const raw = (storeKey ?? "" ).trim();
if (!raw) {
return undefined;
}
return parseAgentSessionKey(raw)?.rest ?? raw;
}
export function toAgentStoreSessionKey(params: {
agentId: string;
requestKey: string | undefined | null ;
mainKey?: string | undefined;
}): string {
const raw = (params.requestKey ?? "" ).trim();
const lowered = normalizeLowercaseStringOrEmpty(raw);
if (!raw || lowered === DEFAULT_MAIN_KEY) {
return buildAgentMainSessionKey({ agentId: params.agentId, mainKey: params.mainKey });
}
const parsed = parseAgentSessionKey(raw);
if (parsed) {
return `agent:${parsed.agentId}:${parsed.rest}`;
}
if (lowered.startsWith("agent:" )) {
return lowered;
}
return `agent:${normalizeAgentId(params.agentId)}:${lowered}`;
}
export function resolveAgentIdFromSessionKey(sessionKey: string | undefined | null ): string {
const parsed = parseAgentSessionKey(sessionKey);
return normalizeAgentId(parsed?.agentId ?? DEFAULT_AGENT_ID);
}
export function classifySessionKeyShape(sessionKey: string | undefined | null ): SessionKeyShape {
const raw = (sessionKey ?? "" ).trim();
if (!raw) {
return "missing" ;
}
if (parseAgentSessionKey(raw)) {
return "agent" ;
}
return normalizeLowercaseStringOrEmpty(raw).startsWith("agent:" )
? "malformed_agent"
: "legacy_or_alias" ;
}
export function normalizeAgentId(value: string | undefined | null ): string {
const trimmed = (value ?? "" ).trim();
if (!trimmed) {
return DEFAULT_AGENT_ID;
}
const normalized = normalizeLowercaseStringOrEmpty(trimmed);
// Keep it path-safe + shell-friendly.
if (VALID_ID_RE.test(trimmed)) {
return normalized;
}
// Best-effort fallback: collapse invalid characters to "-"
return (
normalized
.replace(INVALID_CHARS_RE, "-" )
.replace(LEADING_DASH_RE, "" )
.replace(TRAILING_DASH_RE, "" )
.slice(0 , 64 ) || DEFAULT_AGENT_ID
);
}
export function isValidAgentId(value: string | undefined | null ): boolean {
const trimmed = (value ?? "" ).trim();
return Boolean (trimmed) && VALID_ID_RE.test(trimmed);
}
export function sanitizeAgentId(value: string | undefined | null ): string {
return normalizeAgentId(value);
}
export function buildAgentMainSessionKey(params: {
agentId: string;
mainKey?: string | undefined;
}): string {
const agentId = normalizeAgentId(params.agentId);
const mainKey = normalizeMainKey(params.mainKey);
return `agent:${agentId}:${mainKey}`;
}
export function buildAgentPeerSessionKey(params: {
agentId: string;
mainKey?: string | undefined;
channel: string;
accountId?: string | null ;
peerKind?: ChatType | null ;
peerId?: string | null ;
identityLinks?: Record<string, string[]>;
/** DM session scope. */
dmScope?: "main" | "per-peer" | "per-channel-peer" | "per-account-channel-peer" ;
}): string {
const peerKind = params.peerKind ?? "direct" ;
if (peerKind === "direct" ) {
const dmScope = params.dmScope ?? "main" ;
let peerId = (params.peerId ?? "" ).trim();
const linkedPeerId =
dmScope === "main"
? null
: resolveLinkedPeerId({
identityLinks: params.identityLinks,
channel: params.channel,
peerId,
});
if (linkedPeerId) {
peerId = linkedPeerId;
}
peerId = normalizeLowercaseStringOrEmpty(peerId);
if (dmScope === "per-account-channel-peer" && peerId) {
const channel = normalizeLowercaseStringOrEmpty(params.channel) || "unknown" ;
const accountId = normalizeAccountId(params.accountId);
return `agent:${normalizeAgentId(params.agentId)}:${channel}:${accountId}:direct:${peerId}`;
}
if (dmScope === "per-channel-peer" && peerId) {
const channel = normalizeLowercaseStringOrEmpty(params.channel) || "unknown" ;
return `agent:${normalizeAgentId(params.agentId)}:${channel}:direct:${peerId}`;
}
if (dmScope === "per-peer" && peerId) {
return `agent:${normalizeAgentId(params.agentId)}:direct:${peerId}`;
}
return buildAgentMainSessionKey({
agentId: params.agentId,
mainKey: params.mainKey,
});
}
const channel = normalizeLowercaseStringOrEmpty(params.channel) || "unknown" ;
const peerId = normalizeLowercaseStringOrEmpty(params.peerId) || "unknown" ;
return `agent:${normalizeAgentId(params.agentId)}:${channel}:${peerKind}:${peerId}`;
}
function resolveLinkedPeerId(params: {
identityLinks?: Record<string, string[]>;
channel: string;
peerId: string;
}): string | null {
const identityLinks = params.identityLinks;
if (!identityLinks) {
return null ;
}
const peerId = params.peerId.trim();
if (!peerId) {
return null ;
}
const candidates = new Set<string>();
const rawCandidate = normalizeToken(peerId);
if (rawCandidate) {
candidates.add(rawCandidate);
}
const channel = normalizeToken(params.channel);
if (channel) {
const scopedCandidate = normalizeToken(`${channel}:${peerId}`);
if (scopedCandidate) {
candidates.add(scopedCandidate);
}
}
if (candidates.size === 0 ) {
return null ;
}
for (const [canonical, ids] of Object.entries(identityLinks)) {
const canonicalName = canonical.trim();
if (!canonicalName) {
continue ;
}
if (!Array.isArray(ids)) {
continue ;
}
for (const id of ids) {
const normalized = normalizeToken(id);
if (normalized && candidates.has(normalized)) {
return canonicalName;
}
}
}
return null ;
}
export function buildGroupHistoryKey(params: {
channel: string;
accountId?: string | null ;
peerKind: "group" | "channel" ;
peerId: string;
}): string {
const channel = normalizeToken(params.channel) || "unknown" ;
const accountId = normalizeAccountId(params.accountId);
const peerId = normalizeLowercaseStringOrEmpty(params.peerId) || "unknown" ;
return `${channel}:${accountId}:${params.peerKind}:${peerId}`;
}
export function resolveThreadSessionKeys(params: {
baseSessionKey: string;
threadId?: string | null ;
parentSessionKey?: string;
useSuffix?: boolean ;
normalizeThreadId?: (threadId: string) => string;
}): { sessionKey: string; parentSessionKey?: string } {
const threadId = (params.threadId ?? "" ).trim();
if (!threadId) {
return { sessionKey: params.baseSessionKey, parentSessionKey: undefined };
}
const normalizedThread =
params.normalizeThreadId?.(threadId) ?? normalizeLowercaseStringOrEmpty(threadId);
const useSuffix = params.useSuffix ?? true ;
const sessionKey = useSuffix
? `${params.baseSessionKey}:thread :${normalizedThread}`
: params.baseSessionKey;
return { sessionKey, parentSessionKey: params.parentSessionKey };
}
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(vorverarbeitet am 2026-06-09)
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