import type { PromptProvider } from "@sema-agent/core";
/**
 * Build a scenario's prompt provider from just its ROLE base, on core 1.243's 提示词主权 contract:
 * `stableSystem` returns ONLY the role layer (base + the task's own systemPrompt) and **core appends
 * the constitution structurally** — harness/safety blocks (Truth/CYBER_RISK/URL_SAFETY), mode blocks,
 * AND the memory safety/hygiene guidance (`constitutionBlocks`), plus the volatile `<user_memory>`
 * tail LAST ([ref] prefix-cache discipline; guarded in CI by `assertPromptCacheFriendly`).
 *
 * History: the pre-1.243 seam made this helper's whole-prompt replacement silently DROP
 * core's constitution — oa/code-review/team ran with zero safety blocks. Same batch also moved
 * MEMORY_SAFETY/MEMORY_HYGIENE into the constitution layer, so the hand-composition this helper used
 * to do (core 1.62, [ref]) would now DOUBLE-inject them — both removed; core owns the discipline
 * (consolidation mutual-exclusion included). This stays a thin role-layer join so scenarios don't
 * re-implement the same two-line body five times.
 */
export declare function stablePrompt(base: string): PromptProvider;
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