import { type OrchestrationModelBinding, type WorkerRole } from "./contracts.ts";
export type WorkerModelPinSource = "global" | "project" | "directoryProfile";
export interface WorkerModelPinsSettings {
    default?: OrchestrationModelBinding;
    roles?: Partial<Record<WorkerRole, OrchestrationModelBinding>>;
}
export interface ResolvedWorkerModelPin {
    binding: OrchestrationModelBinding;
    source: WorkerModelPinSource;
}
export type WorkerModelPinPolicy = {
    status: "absent";
} | {
    status: "invalid";
    diagnostics: readonly string[];
} | {
    status: "active";
    byRole: Readonly<Partial<Record<WorkerRole, ResolvedWorkerModelPin>>>;
    /**
     * Non-blocking configuration observations (e.g. role entries with no `default`, which
     * leaves every unlisted role unpinned and admits any caller-requested model for it).
     * Never gates admission — see resolveWorkerModelPin and the delegation-time
     * `modelPinBypass` diagnostic in worker-delegation-controller.ts.
     */
    diagnostics?: readonly string[];
};
export interface WorkerModelPinPolicyLayers {
    global?: unknown;
    project?: unknown;
    directoryProfile?: unknown;
}
/** Compile independently validated settings scopes into one immutable admission policy. */
export declare function compileWorkerModelPinPolicy(layers: WorkerModelPinPolicyLayers): WorkerModelPinPolicy;
export declare function resolveWorkerModelPin(policy: WorkerModelPinPolicy, role: WorkerRole): ResolvedWorkerModelPin | undefined;
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