/**
 * Resume helpers: classic/history TranscriptItem + ChatMessage → v2 store shape.
 *
 * History records may carry a full TUI transcript (classic clai) or only the
 * model messages array (older / partial saves). We hydrate both so /history
 * restores prompts, tools, and assistant text — not just a notice.
 */
import { type ChatMessage } from "../../types.js";
import type { TranscriptItem as ClassicTranscriptItem } from "../../app/ports/transcript-item.js";
import { type ToolCallId } from "../../app/events/app-event.js";
import { type FileChange } from "../../tools/file-diff.js";
import { type TranscriptState } from "./transcript-types.js";
export interface HydrateResult {
    readonly state: TranscriptState;
    /** Tool outputs to seed into OutputSpool (classic embeds output on the item). */
    readonly toolOutputs: ReadonlyMap<ToolCallId, string>;
}
/** Convert a classic (or mixed) saved transcript into the v2 normalized state. */
export declare function hydrateFromClassicTranscript(items: readonly ClassicTranscriptItem[]): HydrateResult;
/**
 * Rebuild structured file diffs from tool-call args so /history shows the same
 * green/red hunks as the live session. Live turns attach `fileChanges` on
 * tool-result; message-only history (or a re-save after a thin hydrate) often
 * drops that payload while still keeping path/content in `toolCalls[].args`.
 *
 * Not a cwd issue — absolute paths in the snapshot still render; missing
 * `fileChanges` is what forces the ugly receipt + JSON args UI.
 */
export declare function fileChangesFromToolArgs(name: string, args: Record<string, unknown> | undefined): FileChange[] | undefined;
/**
 * Fallback when a history row only has model messages (no visual transcript),
 * or when the visual transcript is thinner than the model history (e.g. abort
 * stub saved after tools ran in-memory but never as transcript items).
 *
 * Reconstructs user / assistant bubbles and tool cards from native
 * `toolCalls` + `role: "tool"` pairs so /history still shows commands and
 * outputs when possible.
 */
export declare function hydrateFromMessages(messages: readonly ChatMessage[]): HydrateResult;
/**
 * True when the visual transcript is missing the bulk of tool work that still
 * exists in model messages (common after abort-before-save of the UI snapshot).
 */
export declare function transcriptLooksIncomplete(transcriptLen: number, messages: readonly ChatMessage[]): boolean;
/**
 * Prefer the richer of classic visual transcript vs message-derived hydrate
 * so /history does not drop tools when only one representation survived.
 *
 * Classic is enriched with `fileChanges` rebuilt from message tool args when
 * a prior message-only re-save wiped the structured diffs (common after
 * resume).
 */
export interface BoundedSessionVisualInput {
    readonly transcript: ClassicTranscriptItem[] | undefined;
    readonly messages: ChatMessage[];
    readonly omittedItems: number;
    readonly omittedMessages: number;
}
export declare function boundSessionVisualInput(transcript: readonly ClassicTranscriptItem[] | undefined, messages: readonly ChatMessage[]): BoundedSessionVisualInput;
export declare function hydrateSessionVisual(transcript: readonly ClassicTranscriptItem[] | undefined, messages: readonly ChatMessage[]): HydrateResult;
/**
 * Snapshot the live v2 transcript into the classic shape for history.db so
 * /history can restore tools + prompts next time (parity with classic clai).
 */
export declare function serializeForHistory(state: TranscriptState, toolOutput: (toolCallId: ToolCallId) => string): ClassicTranscriptItem[];
/** Strip the model framing prefix for display in the compacted card. */
export declare function displayCompactSummary(summary: string): string;