ctx,

sessionKey: acpDispatchSessionKey,

});

// Inherited sessions_send routes carry thread ids only when the stored route

// proves the thread came from an explicit target, not session normalization.

const routeReplyThreadId = replyRoute.threadId ?? routeThreadId;

const inboundAudio = isInboundAudioContext(ctx);

const sessionTtsAuto = normalizeTtsAutoMode(sessionStoreEntry.entry?.ttsAuto);

const workspaceDir = resolveAgentWorkspaceDir(cfg, sessionAgentId);

const normalizedProviderChannel = normalizeMessageChannel(ctx.Provider);

const normalizedSurfaceChannel = normalizeMessageChannel(ctx.Surface);

const normalizedCurrentSurface = normalizedProviderChannel ?? normalizedSurfaceChannel;

const effectiveExplicitDeliverRoute =

ctx.ExplicitDeliverRoute === true || replyRoute.inheritedExternalRoute === true;

const isInternalWebchatTurn =

normalizedCurrentSurface === INTERNAL_MESSAGE_CHANNEL &&

(normalizedSurfaceChannel === INTERNAL_MESSAGE_CHANNEL || !normalizedSurfaceChannel) &&

ctx.ExplicitDeliverRoute !== true;

!effectiveExplicitDeliverRoute;

const hasRouteReplyCandidate = Boolean(

!suppressAcpChildUserDelivery &&

!isInternalWebchatTurn &&

} = resolveReplyRoutingDecision({

provider: ctx.Provider,

surface: ctx.Surface,

explicitDeliverRoute: ctx.ExplicitDeliverRoute,

explicitDeliverRoute: effectiveExplicitDeliverRoute,

originatingChannel: replyRoute.channel,

originatingTo: replyRoute.to,

suppressDirectUserDelivery: suppressAcpChildUserDelivery,

requesterSenderName: ctx.SenderName,

requesterSenderUsername: ctx.SenderUsername,

requesterSenderE164: ctx.SenderE164,

threadId: routeThreadId,

threadId: routeReplyThreadId,

cfg,

abortSignal: options?.abortSignal,

mirror: options?.mirror,

shouldRouteToOriginating,

originatingChannel: routeReplyChannel,

originatingTo: routeReplyTo,

originatingAccountId: replyRoute.accountId,

originatingThreadId: routeReplyThreadId,

shouldSendToolSummaries,

sendPolicy,

}),

shouldRouteToOriginating,

originatingChannel: routeReplyChannel,

originatingTo: routeReplyTo,

originatingAccountId: replyRoute.accountId,

originatingThreadId: routeReplyThreadId,

shouldSendToolSummaries,

sendPolicy,

isTailDispatch: true,