export type SessionMode = 'sprint' | 'adhoc';
interface SessionState {
    /** Session ID for the briefing guard */
    briefing_session_id?: string;
    /** Session ID for the post-push guard (legacy — kept for backward compat) */
    push_prompted_session_id?: string;
    /** Number of pushes in current session (stored as string) */
    push_count?: string;
    /** Last push command string (dedup repeated retries) */
    last_push_command?: string;
    /** Session ID for the claim-required guard */
    claim_warned_session_id?: string;
    /** Session ID for handoff read in explore guard */
    handoff_read_session_id?: string;
    /** Current session mode — adhoc skips sprint-workflow guards */
    session_mode?: SessionMode;
    /** Session ID that set the mode (mode expires when session changes) */
    session_mode_id?: string;
}
/** Load consolidated session state. Returns empty object if missing/corrupt. */
export declare function loadSessionState(cwd: string): SessionState;
/** Save consolidated session state atomically via unique tmp + rename. */
export declare function saveSessionState(cwd: string, state: SessionState): void;
/** Update a single field in session state and save atomically. */
export declare function updateSessionState(cwd: string, field: keyof SessionState, value: string): void;
/** Set the session mode (adhoc or sprint) for a given session. */
export declare function setSessionMode(cwd: string, sessionId: string, mode: SessionMode): void;
/** Check if the current session is in adhoc mode.
 *  Returns true if mode is explicitly 'adhoc' for this session.
 *  Returns false if mode is 'sprint', unset, or set by a different session. */
export declare function isAdhocSession(cwd: string, sessionId: string): boolean;
/** Keep pinned session mode aligned with live sprint-state.
 *  If a sprint starts after a session was pinned adhoc, promote the session
 *  back to sprint mode so sprint-workflow guards do not stay suppressed. */
export declare function syncSessionModeWithSprintState(cwd: string, sessionId: string): SessionMode | null;
/**
 * Check if context has already been injected this session.
 * Returns null if new (caller should inject full context).
 * Returns a compressed reference string if duplicate.
 */
export declare function dedupGuardContext(cwd: string, sessionId: string, guardName: string, context: string): string | null;
export {};
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