export declare function buildMessagingSection(params: { channels: string[]; isMinimal: boolean; hasSendMessage: boolean; }): string; export declare function buildSilentRepliesSection(params: { isMinimal: boolean; silentReplyPromptMode?: 'generic' | 'none'; }): string; export declare function buildOutputDirectivesSection(isMinimal: boolean): string; export declare function buildTimeSection(timezone?: string): string; export declare function buildHeartbeatBehaviorSection(params: { enabled: boolean; customPrompt?: string; userTimezone?: string; }): string;