/**
 * DiagRootCauseRunner — Stage A runner for the split diagnostician pipeline.
 *
 * Identifies the underlying cause of a pain signal using a 5-Whys causal
 * chain and categorises it into one of four root-cause categories.
 *
 * Extends BasePeerRunner following the DreamerRunner pattern (PRI-302).
 * The shared lease → buildContext → invoke → poll → fetch → validate →
 * succeed/fail pipeline is in the base class. This file only contains
 * Stage A–specific logic.
 *
 * Key constraints:
 *   - Uses PDRuntimeAdapter for all LLM execution (no direct SDK calls)
 *   - No plugin-layer imports (core is infrastructure-agnostic)
 *   - Uses RuntimeStateManager for all state operations
 *   - NO candidate commit — only writes PIArtifact (like DreamerRunner)
 *   - Reads diagnostician_core_grounding flag from effectiveConfig (PRI-371)
 *
 * @see PRI-372
 * @see BasePeerRunner in runner/base-peer-runner.ts
 */
import type { RunHandle } from '../runtime-protocol.js';
import type { DiagRootCauseOutputV1, DiagRootCauseValidator } from '../diagnostician/diag-rootcause-output.js';
import type { DiagnosticianContextPayload } from '../context-payload.js';
import type { ContextAssembler } from '../store/context/context-assembler.js';
import type { TaskRecord } from '../task-status.js';
import type { EffectivePdConfig } from '../config/pd-config-types.js';
import type { IntentDocReader } from '../intent/intent-doc-reader-port.js';
import { type PDErrorCategory } from '../error-categories.js';
import { BasePeerRunner } from '../runner/base-peer-runner.js';
import type { PeerRunnerOptions, PeerRunnerDeps, PeerRunnerResult, PeerRunnerValidationResult } from '../runner/peer-runner-types.js';
/** Context built by DiagRootCauseRunner.buildContext() and consumed by invokeRuntime(). */
interface DiagRootCauseContext {
    readonly contextHash: string;
    readonly contextRefs: string[];
    readonly painPayload: DiagnosticianContextPayload;
}
export interface DiagRootCauseRunnerDeps extends PeerRunnerDeps {
    readonly validator: DiagRootCauseValidator;
    readonly contextAssembler: ContextAssembler;
    /**
     * PRI-468: Optional INTENT.md reader for Stage A intent tension check.
     *
     * When provided AND `intent_engineering` flag is on, the runner reads
     * INTENT.md and injects it into the Stage A prompt as reference context
     * for the LLM to optionally produce `intentTension`.
     *
     * When absent or flag off, the runner behaves as before (byte-identical
     * prompt — EP-03: no silent fallback).
     */
    readonly intentDocReader?: IntentDocReader;
}
export interface DiagRootCauseRunnerOptions extends PeerRunnerOptions {
    /** Effective PD config for feature flag resolution (PRI-371). */
    readonly effectiveConfig?: EffectivePdConfig;
}
/**
 * Stage A runner for the split diagnostician pipeline.
 *
 * Produces a DiagRootCauseOutputV1 containing the 5-Whys causal chain,
 * root cause classification, and evidence. Does NOT commit candidates —
 * that is the responsibility of Stage C (DiagRouterRunner).
 *
 * @see PRI-372
 */
export declare class DiagRootCauseRunner extends BasePeerRunner<DiagRootCauseContext, DiagRootCauseOutputV1> {
    private readonly validator;
    private readonly contextAssembler;
    private readonly effectiveConfig?;
    private readonly intentDocReader?;
    constructor(deps: DiagRootCauseRunnerDeps, options: DiagRootCauseRunnerOptions);
    get permanentErrorCategories(): ReadonlySet<PDErrorCategory>;
    buildContext(taskId: string): Promise<DiagRootCauseContext>;
    invokeRuntime(taskId: string, context: DiagRootCauseContext): Promise<RunHandle>;
    validateOutput(output: unknown, taskId: string, _context: DiagRootCauseContext): Promise<PeerRunnerValidationResult>;
    succeedTask(taskId: string, runId: string, output: DiagRootCauseOutputV1, task: TaskRecord, contextHash: string, _context: DiagRootCauseContext): Promise<PeerRunnerResult<DiagRootCauseOutputV1>>;
    /**
     * Re-inject taskId if stripped by stripLineageFields (PRI-272 / ERR-008).
     * Only fill when absent via Object.hasOwn — present-but-falsy values
     * must reach validation and fail loud (Runtime Contract Rule 3).
     */
    protected postFetchTransform(taskId: string, untrustedOutput: unknown): void;
    protected emitSuccessTelemetry(taskId: string, output: DiagRootCauseOutputV1, _context: DiagRootCauseContext): void;
}
export {};
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