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>>;
};