/**
 * PlannerEvent, discriminated union for adaptive planner decisions and overrides.
 */
export type ExecutionStrategy = 'auto' | 'single' | 'cohort' | 'background' | 'remote';
export interface StrategyCandidate {
    readonly strategy: ExecutionStrategy;
    readonly score: number;
    readonly reasonCode: string;
}
export interface PlannerDecision {
    readonly selected: ExecutionStrategy;
    readonly reasonCode: string;
    readonly candidates: readonly StrategyCandidate[];
    readonly overrideActive: boolean;
    readonly timestamp: number;
    readonly inputs: {
        readonly riskScore: number;
        readonly latencyBudgetMs: number;
        readonly isMultiStep: boolean;
        readonly remoteAvailable: boolean;
        readonly backgroundEligible: boolean;
        readonly taskDescription?: string | undefined;
    };
}
export type WorkPlanTaskStatus = 'pending' | 'in_progress' | 'blocked' | 'done' | 'failed' | 'cancelled';
export interface WorkPlanTaskEventRecord {
    readonly taskId: string;
    readonly projectId: string;
    readonly knowledgeSpaceId: string;
    readonly title: string;
    readonly notes?: string | undefined;
    readonly owner?: string | undefined;
    readonly status: WorkPlanTaskStatus;
    readonly priority?: number | undefined;
    readonly order: number;
    readonly source?: string | undefined;
    readonly tags: readonly string[];
    readonly parentTaskId?: string | undefined;
    readonly chainId?: string | undefined;
    readonly phaseId?: string | undefined;
    readonly agentId?: string | undefined;
    readonly turnId?: string | undefined;
    readonly decisionId?: string | undefined;
    readonly sourceMessageId?: string | undefined;
    readonly linkedArtifactIds: readonly string[];
    readonly linkedSourceIds: readonly string[];
    readonly linkedNodeIds: readonly string[];
    readonly originSurface?: string | undefined;
    readonly createdAt: number;
    readonly updatedAt: number;
    readonly completedAt?: number | undefined;
    readonly metadata?: Record<string, unknown> | undefined;
}
export interface WorkPlanEventBase {
    readonly projectId: string;
    readonly knowledgeSpaceId: string;
    readonly workPlanId: string;
}
export interface WorkPlanSnapshotEventRecord extends WorkPlanEventBase {
    readonly tasks: readonly WorkPlanTaskEventRecord[];
    readonly counts: {
        readonly total: number;
        readonly pending: number;
        readonly in_progress: number;
        readonly blocked: number;
        readonly done: number;
        readonly failed: number;
        readonly cancelled: number;
    };
    readonly updatedAt: number;
}
export type PlannerEvent = ({
    type: 'PLAN_STRATEGY_SELECTED';
} & PlannerDecision) | {
    type: 'PLAN_STRATEGY_OVERRIDDEN';
    strategy: ExecutionStrategy | null;
    clearedBy?: string | undefined;
} | ({
    type: 'WORK_PLAN_TASK_CREATED';
    task: WorkPlanTaskEventRecord;
} & WorkPlanEventBase) | ({
    type: 'WORK_PLAN_TASK_UPDATED';
    task: WorkPlanTaskEventRecord;
    previousTask: WorkPlanTaskEventRecord;
} & WorkPlanEventBase) | ({
    type: 'WORK_PLAN_TASK_STATUS_CHANGED';
    taskId: string;
    status: WorkPlanTaskStatus;
    previousStatus: WorkPlanTaskStatus;
    task: WorkPlanTaskEventRecord;
} & WorkPlanEventBase) | ({
    type: 'WORK_PLAN_TASK_DELETED';
    taskId: string;
    task: WorkPlanTaskEventRecord;
} & WorkPlanEventBase) | ({
    type: 'WORK_PLAN_SNAPSHOT_INVALIDATED';
    reason: string;
    snapshot: WorkPlanSnapshotEventRecord;
} & WorkPlanEventBase);
export type PlannerEventType = PlannerEvent['type'];
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