import type { AdapterRole, AgentAdapter, AgentCapabilities, AgentRuntime, LandingLevel, ProvenanceSupport, SelectionLevel, SerializedSession, StoredSessionFacts, SwitchOutcome, ValidationDefect } from "../../adapters/contract.js";
export type { AdapterRole, AgentAdapter, AgentCapabilities, AgentRuntime, LandingLevel, ProvenanceSupport, SelectionLevel, SerializedSession, StoredSessionFacts, SwitchOutcome, ValidationDefect, };
import type { DropReason, PinReason, TransferPlan, TurnDrop, TurnPin } from "../transfer/contract.js";
export type { DropReason, PinReason, TransferPlan, TurnDrop, TurnPin };
import type { Bytes, CommitError, CommitHandle, CommitRefusal, FileCommitter, PendingFile } from "../../platform/store/contract.js";
export type { Bytes, CommitError, CommitHandle, CommitRefusal, FileCommitter, PendingFile };
import type { AgentId, CanonicalSession, CanonicalTurn, HomePath, ProvenanceMarker, RepoSnapshot, SessionId, SessionRef, SourceProvenance, TargetProfile, ToolCallRecord, ToolEffect, TurnKind, TurnRole } from "../../session/contract.js";
export type { AgentId, CanonicalSession, CanonicalTurn, HomePath, ProvenanceMarker, RepoSnapshot, SessionId, SessionRef, SourceProvenance, TargetProfile, ToolCallRecord, ToolEffect, TurnKind, TurnRole, };
/** What the user must do next when the adapter cannot switch (FR-45). */
export interface HandoverInstruction {
    sessionId: SessionId;
    /** The native command that opens the new session, for example "claude --resume <id>". */
    command: string;
}
/** What the landing produced (FR-40 to FR-47, FR-52). */
export interface LandingResult {
    ref: SessionRef;
    switched: boolean;
    /** Set when the adapter could only create (FR-43, FR-45). */
    handover: HandoverInstruction | null;
    itemsSent: number;
    itemsStored: number;
    marker: ProvenanceMarker;
}
/** Which step of the landing failed (FR-56). */
export type LandingStage = "serialize" | "validate" | "commit" | "read-back" | "switch";
/** A landing that failed. Nothing remains in the target home (FR-53). */
export interface LandingError {
    stage: LandingStage;
    /** What failed, and what the user can do next (FR-56). */
    message: string;
    /** The structural defects, when the stage is "validate" (FR-50). */
    defects: ValidationDefect[];
    /** True when a commit was made and then undone. */
    rolledBack: boolean;
}
/** Places a plan in the target home. Adds only, all or nothing (FR-49, FR-53). */
export interface SessionLander {
    /**
     * Runs after the user confirmed the preview (FR-20).
     * Rejects with a LandingError, leaving the target home unchanged.
     */
    land(plan: TransferPlan, adapter: AgentAdapter, committer: FileCommitter, runtime: AgentRuntime, importedAt: string): Promise<LandingResult>;
}