export interface InstalledSkillEntry {
    name: string;
    /** Source identifier, e.g. "github:user/repo" */
    source: string;
    /** Git ref that was installed (branch, tag, commit) */
    ref: string;
    /** Installation scope */
    scope: 'project' | 'user';
    /** Project hash — only set when scope=project */
    projectHash?: string | undefined;
    /** ISO 8601 timestamp */
    installedAt: string;
    /** List of files that were installed (relative to skill dir) */
    files: string[];
    /**
     * When the install was resolved through a registry (e.g. `skills.sh`), the
     * adapter id + registry id that mapped to the GitHub `source`. Absent for
     * direct `user/repo` installs.
     */
    registryFrom?: {
        adapterId: string;
        registryId: string;
    } | undefined;
}
export interface ManifestData {
    skills: InstalledSkillEntry[];
}
export declare class SkillManifestStore {
    private readonly manifestPath;
    private cache?;
    constructor(manifestPath: string);
    read(): Promise<ManifestData>;
    write(data: ManifestData): Promise<void>;
    addEntry(entry: InstalledSkillEntry): Promise<void>;
    removeEntry(name: string, scope: 'project' | 'user'): Promise<boolean>;
    findByName(name: string): Promise<InstalledSkillEntry[]>;
    findBySource(source: string): Promise<InstalledSkillEntry[]>;
    listAll(): Promise<InstalledSkillEntry[]>;
    /** Invalidate the in-memory cache (e.g. after external file changes). */
    invalidateCache(): void;
}
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