/**
 * evolve-filter — Pure scoring and filtering logic for evolve proposals.
 *
 * No side effects. All functions are deterministic.
 * Also exports createEvolveScoreTool() for LLM-facing tool registration.
 */
import { tool } from "@opencode-ai/plugin";
import { z } from "zod";
export interface EvolveProposal {
    title: string;
    priority: "P0" | "P1" | "P2";
    effort: "Low" | "Medium" | "High";
    description: string;
    files?: string[];
    currentState?: string;
    inspiration?: string;
}
/**
 * JSONL schema for evolve proposals.
 *
 * Accepts both canonical keys (description/currentState) and legacy keys
 * (why/how/current_state) used by older evolve prompts.
 */
export declare const EvolveProposalSchema: z.ZodType<EvolveProposal>;
export type ProposalJsonlValidation = {
    ok: true;
    proposal: EvolveProposal;
} | {
    ok: false;
    error: string;
};
/**
 * Parse and validate a single JSONL line.
 *
 * Returns {ok:false,error} for invalid lines so callers can skip with reason.
 */
export declare function validateProposalJsonl(line: string): ProposalJsonlValidation;
/**
 * Merge existing + incoming proposals, skipping duplicates by normalized title.
 *
 * Normalization: lowercase + punctuation/symbol/whitespace removed.
 */
export declare function deduplicateProposals(existing: EvolveProposal[], incoming: EvolveProposal[]): EvolveProposal[];
export interface FilteredProposal extends EvolveProposal {
    score: number;
    accepted: boolean;
    reason?: string;
}
export interface FilterConfig {
    minScore?: number;
    maxProposals?: number;
}
export declare function scoreProposal(p: EvolveProposal): number;
export declare function filterProposals(proposals: EvolveProposal[], config?: FilterConfig): FilteredProposal[];
/**
 * Parse Sisyphus evolve output into structured proposals.
 *
 * Expected format (from keyword-detector EVOLVE_MESSAGE Phase 3):
 * ```
 * ## Improvement: [Feature Name]
 * **Inspiration**: [Plugin name] — [what it does]
 * **Current state**: [what opencode-ultra has now]
 * **Why**: [concrete benefit]
 * **How**: [which file to modify, what to add]
 * **Effort**: Low / Medium / High
 * **Priority**: P0 / P1 / P2
 * ```
 */
export declare function parseProposalsFromMarkdown(markdown: string): EvolveProposal[];
/**
 * Tool: evolve_score
 *
 * Takes evolve proposal markdown, parses it, scores each proposal,
 * and returns a prioritized list. Pure computation, no agent spawning.
 */
export declare function createEvolveScoreTool(): ReturnType<typeof tool>;