/**
 * `src/services/compact/suggest-types.ts`
 *
 * Type declarations and default-threshold constants extracted verbatim
 * from `suggest-service.ts` (wave 2, file-size cap campaign) so the
 * service stays under the 300 raw-line cap. Mechanical move only —
 * `suggest-service.ts` re-exports every public name from this module.
 */
import type { Phase, Severity } from './decision-tables.js';
/** Token window sizes supported by the suggest service. */
export type WindowKind = '200k' | '1m';
export interface SuggestOptions {
    readonly projectRoot: string;
    readonly sessionId: string | null;
    readonly env?: NodeJS.ProcessEnv;
}
export interface SuggestResult {
    readonly shouldSuggest: boolean;
    readonly reason: string;
    readonly ratio: number;
    readonly windowKind: WindowKind;
    readonly tokensUsed: number;
    readonly toolCalls: number;
    readonly thresholds: {
        readonly contextTokens: number;
        readonly contextInterval: number;
        readonly toolCalls: number;
    };
    readonly dataUnavailable: boolean;
    readonly source: 'usage-jsonl' | 'env-vars' | 'none';
}
/** Default tool-call threshold before first suggestion. */
export declare const DEFAULT_TOOL_CALL_THRESHOLD = 50;
/** Default additional tool calls before the suggestion repeats. */
export declare const TOOL_CALL_REMIND_STEP = 25;
/** Default context-size threshold on a 200k window. */
export declare const DEFAULT_CONTEXT_THRESHOLD_200K = 160000;
/** Default context-size threshold on a 1M window. */
export declare const DEFAULT_CONTEXT_THRESHOLD_1M = 250000;
/** Default re-remind interval for context size. */
export declare const DEFAULT_CONTEXT_INTERVAL = 60000;
export interface UsageRow {
    ts?: string;
    tokens?: number;
    toolCalls?: number;
    modelKind?: '200k' | '1m';
}
/**
 * `peaks compact dry-run` envelope — composed of (a) suggest, (b)
 * recommend, (c) survival. Pure composition over the helpers; no
 * additional I/O. The CLI emits this so the LLM can decide in one
 * tool-call whether to act.
 */
export interface DryRunOptions {
    readonly projectRoot: string;
    readonly sessionId: string | null;
    readonly from?: Phase;
    readonly to?: Phase;
    readonly env?: NodeJS.ProcessEnv;
}
export interface DryRunResult {
    readonly action: 'compact' | 'skip';
    readonly suggest: SuggestResult;
    readonly recommend: {
        readonly from: Phase | null;
        readonly to: Phase | null;
        readonly shouldCompact: boolean;
        readonly severity: Severity | null;
        readonly rationale: string | null;
        readonly suggestedMessage: string | null;
    };
    readonly survival: {
        readonly persists: readonly string[];
        readonly lost: readonly string[];
    };
}