openclaw
Version:
Multi-channel AI gateway with extensible messaging integrations
516 lines (515 loc) • 24.2 kB
JavaScript
import { s as asFiniteNumber } from "./number-coercion-CLj0HTDM.js";
import { l as normalizeOptionalString } from "./string-coerce-CIXf7egm.js";
import { w as resolveStateDir } from "./paths-D2sRr1a_.js";
import { S as isAcpSessionKey, T as isSubagentSessionKey, w as isCronSessionKey } from "./session-key-BnWWjqNc.js";
import { t as createSubsystemLogger } from "./subsystem-Dy2tqXOS.js";
import { o as resolveSessionStorePathCore } from "./paths-CXdaYWF_.js";
import "./session-accessor-YsytfDtG.js";
import { n as hasSessionEntriesByStatusReadOnly } from "./session-accessor.sqlite-entry-CWk3jL7s.js";
import { t as resolveAgentSessionDirs } from "./session-dirs-SATsXf4g.js";
import { n as listConfiguredSessionStoreAgentIds, o as resolveAllAgentSessionStoreTargetsSync } from "./targets-Cknmo7YZ.js";
import { a as hasRestartRecoveryTerminalRun } from "./restart-recovery-state-DDdTIiD6.js";
import "./sessions-9nxpeTwt.js";
import { o as sanitizePendingFinalDeliveryText, t as PENDING_FINAL_DELIVERY_CLEAR_PATCH } from "./pending-final-delivery-jd8h0cqi.js";
import { n as buildMainSessionRecoveryClearPatch } from "./main-session-recovery-clear-H7IP1700.js";
import path from "node:path";
//#region src/agents/main-session-recovery/main-session-restart-recovery-shared.ts
const mainSessionRecoveryLog = createSubsystemLogger("main-session-restart-recovery");
const DEFAULT_RECOVERY_DELAY_MS = 5e3;
function buildRestartRecoveryExpectedState(entry, mainRestartRecovery) {
const expectedMainRestartRecovery = mainRestartRecovery ?? entry.mainRestartRecovery;
return {
abortedLastRun: entry.abortedLastRun,
mainRestartRecoveryCycleId: expectedMainRestartRecovery?.cycleId,
mainRestartRecoveryRevision: expectedMainRestartRecovery?.revision,
restartRecoveryBeforeAgentReplyState: entry.restartRecoveryBeforeAgentReplyState,
restartRecoveryDeliveryReceiptState: entry.restartRecoveryDeliveryReceiptState,
restartRecoveryDeliveryToolCallId: entry.restartRecoveryDeliveryToolCallId,
restartRecoveryDeliveryRequestFingerprint: entry.restartRecoveryDeliveryRequestFingerprint,
restartRecoveryDeliveryRunId: entry.restartRecoveryDeliveryRunId,
restartRecoveryDeliverySourceRunId: entry.restartRecoveryDeliverySourceRunId,
restartRecoveryRequesterAccountId: entry.restartRecoveryRequesterAccountId,
restartRecoveryRequesterSenderId: entry.restartRecoveryRequesterSenderId,
restartRecoverySameChannelThreadRequired: entry.restartRecoverySameChannelThreadRequired,
restartRecoverySourceIngress: entry.restartRecoverySourceIngress,
restartRecoverySourceReplyDeliveryMode: entry.restartRecoverySourceReplyDeliveryMode,
restartRecoveryTerminalRunIds: entry.restartRecoveryTerminalRunIds,
status: entry.status
};
}
function resolveRestartRecoveryTerminalClientRunId(entry) {
return entry.restartRecoverySourceIngress === "control-ui" ? normalizeOptionalString(entry.restartRecoveryDeliverySourceRunId) : void 0;
}
function normalizeStringSet(values) {
const normalized = /* @__PURE__ */ new Set();
for (const value of values ?? []) {
const trimmed = value.trim();
if (trimmed) normalized.add(trimmed);
}
return normalized;
}
const normalizeFiniteTimestamp = asFiniteNumber;
function hasCurrentProcessOwner(params) {
if (params.activeSessionIds.has(params.entry.sessionId)) return true;
return params.activeSessionIds.size === 0 && params.activeSessionKeys.has(params.sessionKey);
}
async function discoverRestartRecoveryStorePaths(params) {
const storePaths = /* @__PURE__ */ new Set();
const stateDir = params.stateDir ?? resolveStateDir(process.env);
const env = {
...process.env,
OPENCLAW_STATE_DIR: stateDir
};
if (params.cfg) {
const configuredAgentIds = listConfiguredSessionStoreAgentIds(params.cfg);
const configuredStorePaths = new Set(configuredAgentIds.map((agentId) => path.resolve(resolveSessionStorePathCore(params.cfg?.session?.store, {
agentId,
env
}))));
const configuredAgentIdSet = new Set(configuredAgentIds);
for (const target of resolveAllAgentSessionStoreTargetsSync(params.cfg, { env })) {
const storePath = path.resolve(target.storePath);
if (!configuredAgentIdSet.has(target.agentId) && !configuredStorePaths.has(storePath)) continue;
storePaths.add(storePath);
}
} else for (const sessionsDir of await resolveAgentSessionDirs(stateDir)) storePaths.add(path.join(sessionsDir, "sessions.json"));
return [...storePaths].toSorted((a, b) => a.localeCompare(b));
}
async function resolveRestartRecoveryStorePaths(params) {
const stateDir = params.stateDir ?? resolveStateDir(process.env);
const env = {
...process.env,
OPENCLAW_STATE_DIR: stateDir
};
return (await discoverRestartRecoveryStorePaths(params)).filter((storePath) => hasSessionEntriesByStatusReadOnly({
env,
storePath
}, ["running"]));
}
//#endregion
//#region src/agents/main-session-recovery/main-session-recovery-state.ts
function updateRecoveryState(entry, state, patch) {
return entry.mainRestartRecovery = {
...state,
revision: state.revision + 1,
...patch
};
}
function createCycle(cycleId) {
return {
cycleId,
revision: 1,
chargedAttempts: 0
};
}
function getMainSessionRecoveryRetryCount(state) {
return state ? state.chargedAttempts - (state.startedAttempt ?? 0) : 0;
}
function matchesObservation(entry, observation) {
if (entry.sessionId !== observation.sessionId) return "session_replaced";
if (entry.mainRestartRecovery?.cycleId !== observation.cycleId) return "stale_cycle";
return entry.mainRestartRecovery.revision === observation.revision ? null : "stale_revision";
}
function hasCurrentForegroundClaim(state, lifecycleGeneration) {
return state.foregroundClaims?.lifecycleGeneration === lifecycleGeneration && state.foregroundClaims.tokens.length > 0;
}
function ownsForegroundClaim(state, claim) {
return state?.cycleId === claim.cycleId && state.foregroundClaims?.lifecycleGeneration === claim.lifecycleGeneration && state.foregroundClaims.tokens.includes(claim.claimId);
}
function validateRecoveryAdmission(entry, command) {
const state = entry.mainRestartRecovery;
if (entry.sessionId !== command.sessionId) return "session_replaced";
if (entry.status !== "running" || entry.abortedLastRun !== true || !state) return "not_interrupted";
if (state.reservation?.runId !== command.runId || state.reservation.lifecycleGeneration !== command.lifecycleGeneration) return "stale_reservation";
return hasCurrentForegroundClaim(state, command.lifecycleGeneration) ? "foreground_active" : null;
}
/** Keeps distinct concurrent runs while transferring each run id to its newest lifecycle owner. */
function normalizeMainSessionRecoveryRunFences(runs) {
return [...new Map([...runs].map((run) => [run.runId, run])).values()].toSorted((left, right) => left.runId.localeCompare(right.runId));
}
function recordLifecycleFence(entry, run) {
entry.restartRecoveryRuns = normalizeMainSessionRecoveryRunFences([...entry.restartRecoveryRuns ?? [], run]);
}
function isMainRestartRecoveryCandidate(entry, sessionKey) {
if (typeof entry.spawnDepth === "number" && entry.spawnDepth > 0) return false;
if (entry.subagentRole != null) return false;
return !isSubagentSessionKey(sessionKey) && !isCronSessionKey(sessionKey) && !isAcpSessionKey(sessionKey);
}
function isMainSessionRecoveryPending(entry, sessionKey) {
const state = entry.mainRestartRecovery;
return entry.status === "running" && entry.abortedLastRun === true && isMainRestartRecoveryCandidate(entry, sessionKey) && !state?.foregroundClaims && !state?.reservation && !state?.tombstone;
}
function inspectMainRestartRecoveryRolloverEligibility(entry) {
if (!entry.mainRestartRecovery?.tombstone) return {
eligible: false,
reason: "not_tombstoned"
};
const recoveredSessionId = entry.mainRestartRecovery.tombstone.recoveredSessionId;
const recoveredSessionKey = entry.mainRestartRecovery.tombstone.recoveredSessionKey;
if (recoveredSessionId || recoveredSessionKey) return {
eligible: false,
reason: "already_recovered",
...recoveredSessionId ? { recoveredSessionId } : {},
...recoveredSessionKey ? { recoveredSessionKey } : {}
};
return { eligible: true };
}
function isMainRestartRecoveryAggregateTerminalOnly(entry) {
const state = entry.mainRestartRecovery;
if (!state || state.tombstone || state.reservation || state.foregroundClaims) return false;
if (entry.restartRecoveryDeliveryRunId !== void 0) return false;
const runs = entry.restartRecoveryRuns;
return runs !== void 0 && runs.length > 0 && runs.every((run) => hasRestartRecoveryTerminalRun(entry, run.runId));
}
function hasOrphanedMainRestartRecoveryFences(entry, sessionKey) {
return entry.status === "running" && entry.abortedLastRun !== true && entry.restartRecoveryDeliveryRunId === void 0 && isMainRestartRecoveryCandidate(entry, sessionKey) && (entry.restartRecoveryRuns !== void 0 && entry.mainRestartRecovery === void 0 || isMainRestartRecoveryAggregateTerminalOnly(entry)) || entry.status !== "running" && entry.mainRestartRecovery === void 0 && isMainRestartRecoveryCandidate(entry, sessionKey) && (entry.restartRecoveryRuns !== void 0 || entry.abortedLastRun === true);
}
function inspectMainSessionRecovery(params) {
const { entry } = params;
const state = entry.mainRestartRecovery;
if (state?.tombstone) return { status: "tombstoned" };
if (state && hasCurrentForegroundClaim(state, params.lifecycleGeneration)) return { status: "blocked" };
if (entry.status === "running" && entry.abortedLastRun !== true && state && entry.restartRecoveryRuns?.some((run) => run.lifecycleGeneration === params.lifecycleGeneration)) return { status: "blocked" };
if (entry.status !== "running" || entry.abortedLastRun !== true || !isMainRestartRecoveryCandidate(entry, params.sessionKey)) return { status: "inactive" };
if (!state) return { status: "inactive" };
const observation = {
sessionId: entry.sessionId,
cycleId: state.cycleId,
revision: state.revision
};
if (state.reservation) return { status: "blocked" };
const retryCount = getMainSessionRecoveryRetryCount(state);
if (retryCount >= 3) return {
status: "exhausted",
observation,
reason: `main-session restart recovery blocked after ${retryCount} automatic attempts without a started runtime turn; inspect the failed main session and use /new or reset to start a replacement session`
};
return {
status: "recoverable",
observation,
nextAttempt: state.chargedAttempts + 1
};
}
function inspectMainSessionRecoveryForAdmission(params) {
if (params.entry.status === "running" && params.entry.abortedLastRun !== true && params.entry.mainRestartRecovery && params.entry.restartRecoveryRuns?.length && !isMainRestartRecoveryAggregateTerminalOnly(params.entry)) return { status: "blocked" };
if (params.entry.status === "running" && params.entry.abortedLastRun === true && isMainRestartRecoveryCandidate(params.entry, params.sessionKey) && !params.entry.mainRestartRecovery) return { status: "blocked" };
return inspectMainSessionRecovery(params);
}
function transitionMainSessionRecovery(entry, command) {
switch (command.kind) {
case "mark_interrupted": {
const state = entry.mainRestartRecovery;
if (!state) entry.mainRestartRecovery = createCycle(command.cycleId);
else if (state.foregroundClaims || state.reservation) updateRecoveryState(entry, state, {
foregroundClaims: void 0,
reservation: void 0
});
entry.status = "running";
entry.lifecycleRunId = void 0;
entry.lastRunId = void 0;
entry.abortedLastRun = true;
if (command.resetRuntime) {
entry.startedAt = void 0;
entry.endedAt = void 0;
entry.runtimeMs = void 0;
}
for (const run of command.runs ?? []) recordLifecycleFence(entry, run);
entry.updatedAt = command.now;
return { kind: "applied" };
}
case "inspect": return {
kind: "observed",
view: inspectMainSessionRecoveryForAdmission({
entry,
lifecycleGeneration: command.lifecycleGeneration,
sessionKey: command.sessionKey
})
};
case "observe": {
if (entry.status === "running" && entry.abortedLastRun === true && isMainRestartRecoveryCandidate(entry, command.sessionKey) && !entry.mainRestartRecovery) entry.mainRestartRecovery = createCycle(command.cycleId);
let state = entry.mainRestartRecovery;
if (state?.foregroundClaims && state.foregroundClaims.lifecycleGeneration !== command.lifecycleGeneration) {
if (entry.abortedLastRun !== true) {
Object.assign(entry, buildMainSessionRecoveryClearPatch(entry));
state = void 0;
} else state = updateRecoveryState(entry, state, { foregroundClaims: void 0 });
}
if (state?.reservation && state.reservation.lifecycleGeneration !== command.lifecycleGeneration) updateRecoveryState(entry, state, { reservation: void 0 });
if (entry.abortedLastRun !== true && isMainRestartRecoveryAggregateTerminalOnly(entry)) Object.assign(entry, buildMainSessionRecoveryClearPatch(entry));
return {
kind: "observed",
view: inspectMainSessionRecovery({
entry,
lifecycleGeneration: command.lifecycleGeneration,
sessionKey: command.sessionKey
})
};
}
case "prepare_attempt": {
const conflict = matchesObservation(entry, command.observation);
if (conflict) return {
kind: "rejected",
reason: conflict
};
const state = entry.mainRestartRecovery;
if (entry.status !== "running" || entry.abortedLastRun !== true) return {
kind: "rejected",
reason: "not_interrupted"
};
if (state.tombstone) return {
kind: "rejected",
reason: "already_tombstoned"
};
if (state.reservation) return {
kind: "rejected",
reason: "reservation_active"
};
if (command.attempt !== state.chargedAttempts + 1) return {
kind: "rejected",
reason: "stale_revision"
};
const retryExecutionIdentity = command.executionIdentity.state === "enabled" && state.executionIdentity ? state.executionIdentity : void 0;
const executionIdentityAdmission = retryExecutionIdentity ? {
kind: "retry-reference",
token: retryExecutionIdentity
} : void 0;
updateRecoveryState(entry, state, {
executionIdentity: retryExecutionIdentity,
chargedAttempts: command.attempt,
reservation: {
runId: command.runId,
attempt: command.attempt,
lifecycleGeneration: command.lifecycleGeneration
}
});
entry.updatedAt = command.now;
return {
kind: "reserved",
reservation: {
sessionId: entry.sessionId,
cycleId: state.cycleId,
lifecycleGeneration: command.lifecycleGeneration,
runId: command.runId,
attempt: command.attempt,
...executionIdentityAdmission ? { executionIdentityAdmission } : {}
}
};
}
case "bind_admitted_execution_identity":
case "register_recovery_turn": {
const state = entry.mainRestartRecovery;
if (!state || state.cycleId !== command.cycleId || state.chargedAttempts !== command.attempt || entry.sessionId !== command.sessionId || entry.lifecycleRunId !== command.runId || !entry.restartRecoveryRuns?.some((run) => run.runId === command.runId && run.lifecycleGeneration === command.lifecycleGeneration)) return {
kind: "rejected",
reason: "stale_reservation"
};
if (command.kind === "register_recovery_turn") {
if (state.startedAttempt === command.attempt) return { kind: "no_change" };
updateRecoveryState(entry, state, { startedAttempt: command.attempt });
} else {
if (state.executionIdentity) return JSON.stringify(state.executionIdentity) === JSON.stringify(command.token) ? { kind: "no_change" } : {
kind: "rejected",
reason: "stale_reservation"
};
if (command.token.runId !== command.runId) return {
kind: "rejected",
reason: "stale_reservation"
};
updateRecoveryState(entry, state, { executionIdentity: command.token });
}
return { kind: "applied" };
}
case "cancel_reservation":
case "abandon_reservation": {
const state = entry.mainRestartRecovery;
const reserved = state?.reservation;
if (!state || entry.sessionId !== command.reservation.sessionId || state.cycleId !== command.reservation.cycleId || reserved?.runId !== command.reservation.runId || reserved.attempt !== command.reservation.attempt || reserved.lifecycleGeneration !== command.reservation.lifecycleGeneration) return {
kind: "rejected",
reason: "stale_reservation"
};
updateRecoveryState(entry, state, {
chargedAttempts: command.kind === "cancel_reservation" ? Math.max(0, command.reservation.attempt - 1) : state.chargedAttempts,
reservation: void 0
});
return { kind: "applied" };
}
case "validate_recovery": {
const conflict = validateRecoveryAdmission(entry, command);
return conflict ? {
kind: "rejected",
reason: conflict
} : { kind: "recovery_validated" };
}
case "admit_recovery": {
const conflict = validateRecoveryAdmission(entry, command);
if (conflict) return {
kind: "rejected",
reason: conflict
};
const state = entry.mainRestartRecovery;
updateRecoveryState(entry, state, {
reservation: void 0,
foregroundClaims: void 0
});
entry.abortedLastRun = false;
entry.lifecycleRunId = command.runId;
entry.lastRunId = void 0;
recordLifecycleFence(entry, {
runId: command.runId,
lifecycleGeneration: command.lifecycleGeneration
});
if (entry.pendingFinalDelivery?.kind === "replayable") {
const pendingText = sanitizePendingFinalDeliveryText(entry.pendingFinalDelivery.text);
if (pendingText) entry.pendingFinalDelivery = {
...entry.pendingFinalDelivery,
text: pendingText
};
else Object.assign(entry, PENDING_FINAL_DELIVERY_CLEAR_PATCH);
}
return { kind: "admitted_recovery" };
}
case "mark_admitted_recovery_interrupted": {
const state = entry.mainRestartRecovery;
if (entry.sessionId !== command.sessionId) return {
kind: "rejected",
reason: "session_replaced"
};
if (!state || state.reservation || !entry.restartRecoveryRuns?.some((run) => run.runId === command.runId && run.lifecycleGeneration === command.lifecycleGeneration)) return {
kind: "rejected",
reason: "stale_reservation"
};
entry.status = "running";
entry.lifecycleRunId = void 0;
entry.lastRunId = void 0;
entry.abortedLastRun = true;
entry.startedAt = void 0;
entry.endedAt = void 0;
entry.runtimeMs = void 0;
if (entry.restartRecoveryDeliveryRunId === command.runId) entry.restartRecoveryDeliveryRunId = void 0;
entry.updatedAt = command.now;
return { kind: "applied" };
}
case "claim_foreground": {
if (entry.sessionId === command.sessionId && hasOrphanedMainRestartRecoveryFences(entry, command.sessionKey)) {
Object.assign(entry, buildMainSessionRecoveryClearPatch(entry));
return { kind: "applied" };
}
if (entry.sessionId !== command.sessionId || entry.status !== "running" || entry.abortedLastRun !== true || !isMainRestartRecoveryCandidate(entry, command.sessionKey)) return { kind: "no_change" };
const state = entry.mainRestartRecovery ?? createCycle(command.cycleId);
if (state.tombstone) return {
kind: "rejected",
reason: "already_tombstoned"
};
if (getMainSessionRecoveryRetryCount(state) >= 3) return {
kind: "rejected",
reason: "recovery_exhausted"
};
const currentTokens = state.foregroundClaims?.lifecycleGeneration === command.lifecycleGeneration ? state.foregroundClaims.tokens : [];
const tokens = [.../* @__PURE__ */ new Set([...currentTokens, command.claimId])].toSorted();
const currentRunIds = state.foregroundClaims?.lifecycleGeneration === command.lifecycleGeneration ? state.foregroundClaims.runIdsByClaimId : void 0;
const runIdsByClaimId = command.runId ? {
...currentRunIds,
[command.claimId]: command.runId
} : currentRunIds;
if (command.runId) recordLifecycleFence(entry, {
lifecycleGeneration: command.lifecycleGeneration,
runId: command.runId
});
updateRecoveryState(entry, state, {
reservation: state.reservation?.lifecycleGeneration === command.lifecycleGeneration ? state.reservation : void 0,
foregroundClaims: {
lifecycleGeneration: command.lifecycleGeneration,
tokens,
...runIdsByClaimId ? { runIdsByClaimId } : {}
}
});
return {
kind: "foreground_claimed",
claim: {
cycleId: state.cycleId,
lifecycleGeneration: command.lifecycleGeneration,
claimId: command.claimId,
sessionId: entry.sessionId,
sessionKey: command.sessionKey,
...command.runId ? { runId: command.runId } : {}
}
};
}
case "bind_foreground_run": {
const state = entry.mainRestartRecovery;
const claims = state?.foregroundClaims;
if (!state || !claims || !ownsForegroundClaim(state, command.claim)) return { kind: "no_change" };
recordLifecycleFence(entry, {
lifecycleGeneration: command.claim.lifecycleGeneration,
runId: command.runId
});
updateRecoveryState(entry, state, { foregroundClaims: {
...claims,
runIdsByClaimId: {
...claims.runIdsByClaimId,
[command.claim.claimId]: command.runId
}
} });
return { kind: "applied" };
}
case "validate_foreground": {
const state = entry.mainRestartRecovery;
return entry.sessionId === command.claim.sessionId && ownsForegroundClaim(state, command.claim) ? { kind: "foreground_validated" } : { kind: "no_change" };
}
case "release_foreground": {
const state = entry.mainRestartRecovery;
const claims = state?.foregroundClaims;
if (!state || !claims || !ownsForegroundClaim(state, command.claim)) return { kind: "no_change" };
const tokens = claims.tokens.filter((token) => token !== command.claim.claimId);
const runIdsByClaimId = Object.fromEntries(Object.entries(claims.runIdsByClaimId ?? {}).filter(([token]) => token !== command.claim.claimId));
if (tokens.length === 0 && entry.abortedLastRun !== true) {
Object.assign(entry, buildMainSessionRecoveryClearPatch(entry));
return { kind: "applied" };
}
updateRecoveryState(entry, state, { foregroundClaims: tokens.length > 0 ? {
lifecycleGeneration: command.claim.lifecycleGeneration,
tokens,
...Object.keys(runIdsByClaimId).length > 0 ? { runIdsByClaimId } : {}
} : void 0 });
return { kind: "applied" };
}
case "tombstone": {
const conflict = matchesObservation(entry, command.observation);
if (conflict) return {
kind: "rejected",
reason: conflict
};
const state = entry.mainRestartRecovery;
if (state.reservation) return {
kind: "rejected",
reason: "reservation_active"
};
if (state.tombstone) return {
kind: "rejected",
reason: "already_tombstoned"
};
updateRecoveryState(entry, state, { tombstone: { reason: command.reason } });
entry.abortedLastRun = false;
entry.status = "failed";
entry.lifecycleRunId = void 0;
entry.lastRunId = resolveRestartRecoveryTerminalClientRunId(entry);
entry.endedAt = command.now;
entry.runtimeMs = Math.max(0, command.now - (entry.startedAt ?? command.now));
entry.updatedAt = command.now;
return { kind: "tombstoned" };
}
case "doctor_repair":
if (!entry.mainRestartRecovery?.tombstone || entry.abortedLastRun !== true) return { kind: "no_change" };
entry.abortedLastRun = false;
entry.updatedAt = command.now;
return { kind: "doctor_repaired" };
case "clear": {
const patch = buildMainSessionRecoveryClearPatch(entry);
if (Object.keys(patch).length === 0) return { kind: "no_change" };
Object.assign(entry, patch);
return { kind: "applied" };
}
default: return command;
}
}
//#endregion
export { isMainSessionRecoveryPending as a, DEFAULT_RECOVERY_DELAY_MS as c, hasCurrentProcessOwner as d, mainSessionRecoveryLog as f, resolveRestartRecoveryTerminalClientRunId as g, resolveRestartRecoveryStorePaths as h, isMainRestartRecoveryCandidate as i, buildRestartRecoveryExpectedState as l, normalizeStringSet as m, inspectMainRestartRecoveryRolloverEligibility as n, normalizeMainSessionRecoveryRunFences as o, normalizeFiniteTimestamp as p, isMainRestartRecoveryAggregateTerminalOnly as r, transitionMainSessionRecovery as s, getMainSessionRecoveryRetryCount as t, discoverRestartRecoveryStorePaths as u };