return `↪️ Model Fallback cleared: ${selected}`;

}

export type ResolvedFallbackTransition = {

type ResolvedFallbackTransition = {

selectedModelRef: string;

activeModelRef: string;

fallbackActive: boolean;

"blocked",

"needs_attention",

] as const;

export type HeartbeatToolOutcome = (typeof HEARTBEAT_TOOL_OUTCOMES)[number];

type HeartbeatToolOutcome = (typeof HEARTBEAT_TOOL_OUTCOMES)[number];

export const HEARTBEAT_TOOL_PRIORITIES = ["low", "normal", "high"] as const;

export type HeartbeatToolPriority = (typeof HEARTBEAT_TOOL_PRIORITIES)[number];

type HeartbeatToolPriority = (typeof HEARTBEAT_TOOL_PRIORITIES)[number];

export type HeartbeatToolResponse = {

outcome: HeartbeatToolOutcome;

return trimmed || HEARTBEAT_PROMPT;

}

export type StripHeartbeatMode = "heartbeat" | "message";

type StripHeartbeatMode = "heartbeat" | "message";

function stripTokenAtEdges(raw: string): { text: string; didStrip: boolean } {

let text = raw.trim();

/** Valid message channels for routing. */

export type OriginatingChannelType = string & { readonly __originatingChannelBrand?: never };

export type StickerContextMetadata = {

type StickerContextMetadata = {

cachedDescription?: string;

emoji?: string;

setName?: string;

isVideo?: boolean;

} & Record<string, unknown>;

export type UntrustedStructuredContextEntry = {

type UntrustedStructuredContextEntry = {

label: string;

source?: string;

type?: string;