export type ProviderSystemPromptSectionId = "interaction_style" | "tool_call_style" | "execution_bias";
export type ProviderSystemPromptContribution = {
    /**
     * Cache-stable provider guidance inserted above the system-prompt cache boundary.
     *
     * Use this for static provider/model-family instructions that should preserve
     * KV cache reuse across turns.
     */
    stablePrefix?: string;
    /**
     * Provider guidance inserted below the cache boundary.
     *
     * Use this only for genuinely dynamic text that is expected to vary across
     * runs or sessions.
     */
    dynamicSuffix?: string;
    /**
     * Whole-section replacements for selected core prompt sections.
     *
     * Values should contain the complete rendered section, including any desired
     * heading such as `## Tool Call Style`.
     */
    sectionOverrides?: Partial<Record<ProviderSystemPromptSectionId, string>>;
};