/**
 * Placement (2026-08-05) — "show this app in that slot", as a ROW keyed by
 * (subject, slot). The three doors, and the two writes the BUILD makes into a
 * slot before an app record exists.
 *
 * Lifted out of `createApps` unchanged.
 */
import { type AppId, type RunContext } from "@vendoai/core";
import type { PlacementRow } from "../persistence/placements.js";
import type { AppsRuntimeContext } from "../runtime/runtime-context.js";
import type { AppsRuntime, PlacementEntry } from "../runtime/types.js";
/** The slot bookkeeping a build does before there is an app record to place. */
export declare const createPlacementRows: (deps: Pick<AppsRuntimeContext, "engine" | "placementRows" | "holds" | "reportLifecycle">) => {
    requireSlot: (slot: string) => string;
    claimSlot: (appId: AppId, slot: string, ctx: RunContext) => Promise<void>;
    markUnbuilt: (appId: AppId, name: string, reason: string, ctx: RunContext) => Promise<void>;
    beginBuild: (appId: AppId, subject: string) => void;
    buildingNow: (appId: AppId) => boolean;
    buildingFor: (appId: AppId, ctx: RunContext) => boolean;
    settleBuild: (appId: AppId) => Promise<void>;
    entryFor: (row: PlacementRow, ctx: RunContext) => Promise<PlacementEntry | undefined>;
};
/** The placement slice of `AppsRuntime`. */
export declare const createPlacementSurface: (deps: Pick<AppsRuntimeContext, "placementRows" | "requireOwned" | "requireSlot" | "entryFor" | "reportLifecycle">) => Pick<AppsRuntime, "place" | "unplace" | "placements">;
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