/**
 * Session State Module
 *
 * Contains SessionState interface, Todo interface, createSession, and updateProgress.
 * Extracted from shared.ts to reduce file size.
 */
export interface Todo {
    id: string;
    content?: string;
    title?: string;
    status: string;
}
export interface SessionState {
    timer: ReturnType<typeof setTimeout> | null;
    lastProgressAt: number;
    actionStartedAt: number;
    lastOutputAt: number;
    lastOutputLength: number;
    attempts: number;
    lastRecoveryTime: number;
    backoffAttempts: number;
    autoSubmitCount: number;
    aborting: boolean;
    recoveryStartTime: number;
    stallDetections: number;
    recoverySuccessful: number;
    recoveryFailed: number;
    lastRecoverySuccess: number;
    totalRecoveryTimeMs: number;
    recoveryTimes: number[];
    lastStallPartType: string;
    stallPatterns: Record<string, number>;
    continueTimestamps: number[];
    userCancelled: boolean;
    planning: boolean;
    planBuffer: string;
    compacting: boolean;
    sessionCreatedAt: number;
    messageCount: number;
    lastKnownStatus: string;
    estimatedTokens: number;
    realTokens: number;
    lastCompactionAt: number;
    tokenLimitHits: number;
    hardCompactionInProgress: boolean;
    lastHardCompactionAt: number;
    compactionSafetyTimer: ReturnType<typeof setTimeout> | null;
    proactiveCompactCount: number;
    hardCompactCount: number;
    nudgeTimer: ReturnType<typeof setTimeout> | null;
    lastNudgeAt: number;
    nudgeCount: number;
    nudgeFailureCount: number;
    lastNudgeFailureAt: number;
    lastTodoSnapshot: string;
    nudgePaused: boolean;
    hasOpenTodos: boolean;
    lastKnownTodos: Array<{
        id: string;
        status: string;
        content?: string;
        title?: string;
    }>;
    needsContinue: boolean;
    continueMessageText: string;
    continueRetryCount: number;
    lastContinueRetryAt: number;
    continueInProgress: boolean;
    lastContinueAt: number;
    timerGeneration: number;
    planningStartedAt: number;
    reviewFired: boolean;
    reviewDebounceTimer: ReturnType<typeof setTimeout> | null;
    lastUserMessageId: string;
    sentMessageAt: number;
    lastAdvisoryAdvice: {
        action: string;
        confidence: number;
        reasoning: string;
        stallPattern?: string;
        customPrompt?: string;
        contextSummary?: string;
    } | null;
    lastPlanItemDescription: string;
    lastFileEdited: string;
    lastToolCall: string;
    lastToolSummary: string;
    statusHistory: Array<{
        timestamp: string;
        status: string;
        actionDuration: string;
        progressAgo: string;
    }>;
    stoppedByCondition: string | null;
}
export declare function createSession(): SessionState;
export declare function updateProgress(s: SessionState): void;
export declare function getTokenCount(s: SessionState): number;
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