// Shared "still working" indicator used across the agents view, the chat
// subagent tray, and in-progress tool markers so motion reads consistently.
export const WORKING_ICON_FRAMES = ["◇", "◈", "◆", "◈"] as const;
export const WORKING_ICON_INTERVAL_MS = 250;

export function workingIconFrame(frame: number): string {
	const frames = WORKING_ICON_FRAMES;
	return frames[((frame % frames.length) + frames.length) % frames.length] ?? frames[0];
}

// Process-wide frame counter for in-place chat tool markers, advanced by the
// interactive mode's single ticker and read during render.
let pulseFrame = 0;

export function getWorkingPulseFrame(): number {
	return pulseFrame;
}

export function setWorkingPulseFrame(frame: number): void {
	pulseFrame = frame;
}