export declare const DEFAULT_IDENTITY = "You are a GUI automation agent.";
export interface PromptSlots {
    /** Custom identity (already read from disk); undefined ⇒ the default line. */
    identity?: string;
    /** driver.promptFragment(strategy) — grounding teaching. */
    grounding: string;
    /** The skill index block (agent/skills.ts), or empty/undefined for none. */
    skillsIndex?: string;
}
export declare function assemblePrompt(slots: PromptSlots): string;
/**
 * The identity override, read ONCE at bootstrap (spawn-frozen, like every other
 * pi-gui env knob). A missing/unreadable file logs to stderr and falls back to
 * the default — better an agent without a persona than one without discipline.
 */
export declare function resolveIdentity(env?: Record<string, string | undefined>): string | undefined;