import type { DropReason, PinReason, TransferPlan, TurnDrop, TurnPin } from "../transfer/contract.js";
export type { DropReason, PinReason, TransferPlan, TurnDrop, TurnPin };
import type { CommitDistance, RepoIdentity, RepoReader } from "../../platform/repo/contract.js";
export type { CommitDistance, RepoIdentity, RepoReader };
import type { AgentId, CanonicalSession, CanonicalTurn, HomePath, RepoSnapshot, SessionId, SessionRef, SourceProvenance, TargetProfile, ToolCallRecord, ToolEffect, TurnKind, TurnRole } from "../../session/contract.js";
export type { AgentId, CanonicalSession, CanonicalTurn, HomePath, RepoSnapshot, SessionId, SessionRef, SourceProvenance, TargetProfile, ToolCallRecord, ToolEffect, TurnKind, TurnRole, };
/** What a warning is about. Repository warnings sort first (FR-19). */
export type WarningKind = "repo-state" | "budget" | "broken-tail" | "capability";
/** One warning line of the preview (FR-19). */
export interface PreviewWarning {
    kind: WarningKind;
    /** The rendered line, ready to show. */
    line: string;
}
/** Everything the user sees before confirming (FR-16 to FR-21). */
export interface PreviewReport {
    /** Opaque binding that must be returned unchanged to commit this exact preview (FR-20). */
    confirmationToken: string;
    /** Source, target, and the turn counts that cross and are dropped (FR-17). */
    headerLines: string[];
    /** For example "Budget: 34k tokens of a 200k window" (FR-18). */
    budgetLine: string;
    /** Repository warnings first (FR-19). */
    warnings: PreviewWarning[];
    /** For example "12 older turns dropped" (FR-35). */
    dropLines: string[];
    /** True when the import cannot run. Nothing may be written (FR-33). */
    blocked: boolean;
    /** Set when blocked is true. States what to change. */
    blockedReason: string | null;
    /** The whole preview, rendered. The same shape for all nine directions (FR-21). */
    lines: string[];
}
/** Preview content before the pipeline binds it to a confirmation token. */
export type PreviewContent = Omit<PreviewReport, "confirmationToken">;
/** Builds the preview from a plan and the current repository state. */
export interface PreviewBuilder {
    build(plan: TransferPlan): Promise<PreviewContent>;
}