import { SUBAGENT_CORE_SYSTEM_PROMPT } from "../provider-prompt-contracts.ts";
export { SUBAGENT_CORE_SYSTEM_PROMPT };
/**
 * Agent system-prompt composition with an irreducible execution-contract core.
 *
 * The core is the "ultimate level-0 default": ~100 tokens of non-negotiable rules that survive ANY
 * customization. Everything above it — the lane's role prompt and a shipped profile's soul — is a
 * replaceable layer: settings, a lane profile, or the calling model (delegate tool) can erase and
 * replace it entirely. This keeps shipped subagents maximally efficient on small open models (a
 * caller can hand a tiny model a purpose-built minimal prompt) while the kernel remains the sole
 * authority and budget owner. Keep the core UNDER 300 tokens; it is deliberately terse.
 */
export interface SubagentPromptParts {
    /** Situational identity from the shipped profile (replaceable layer). */
    soul?: string;
    /** The lane's default role prompt (replaceable layer). */
    rolePrompt: string;
    /** User- or model-provided replacement for every layer above level 0. */
    override?: string;
}
export declare function composeSubagentSystemPrompt(parts: SubagentPromptParts): string;
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