Method markDisplayed

apps/cli/src/agent/output-manager.ts:194–196

* Mark a message as displayed (useful for external coordination).

(ts: number, text: string, partial: boolean)

	 * Mark a message as displayed (useful for external coordination).
	 */
	markDisplayed(ts: number, text: string, partial: boolean): void {
		this.displayedMessages.set(ts, { ts, text, partial })
	}

	/**
	 * Clear all tracking state.