export declare const AGE_GROUPS: readonly ["middle_school", "high_school", "undergraduate", "graduate", "post_graduate", "professional", "adult_learner"];
export type AgeGroup = typeof AGE_GROUPS[number];
export interface WorkspaceResult {
    isActive: boolean;
    root: string | null;
    ageGroup: AgeGroup | null;
}
/**
 * Walks up from startCwd looking for a .pisces marker file or directory.
 * Bounded at 15 levels and stops at the user's home directory.
 */
export declare function findWorkspace(startCwd: string): WorkspaceResult;
/**
 * Returns the last resolved workspace state, initialising from process.cwd()
 * on first call. Use syncWorkspaceState() to re-evaluate after a cwd change.
 */
export declare function getWorkspaceState(): WorkspaceResult;
/**
 * Re-evaluates workspace state for the given cwd, updates the cache,
 * and returns the result. Called by the gatekeeper on resources_discover.
 */
export declare function syncWorkspaceState(cwd: string): WorkspaceResult;
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