/**
 * Types for EWC-inspired pattern consolidation.
 * File-size sweep: split out of ewc-consolidation.ts.
 *
 * @module v1/cli/memory/ewc-consolidation-types
 */
/**
 * Pattern weight vector for EWC consolidation
 */
export interface PatternWeights {
    /** Unique pattern identifier */
    id: string;
    /** Weight vector (embedding or learned parameters) */
    weights: number[];
    /** Fisher information values per weight */
    fisherDiagonal: number[];
    /** Importance score (0-1) */
    importance: number;
    /** Number of successful uses */
    successCount: number;
    /** Number of failed uses */
    failureCount: number;
    /** Timestamp of last update */
    lastUpdated: number;
    /** Pattern type for categorization */
    type: string;
    /** Pattern description */
    description?: string;
}
/**
 * Fisher Information Matrix entry (diagonal approximation)
 */
export interface FisherEntry {
    /** Parameter index */
    index: number;
    /** Fisher information value (importance) */
    value: number;
    /** Number of samples used to compute this value */
    sampleCount: number;
    /** Exponential moving average decay rate */
    decayRate: number;
}
/**
 * EWC consolidation configuration
 */
export interface EWCConfig {
    /** Regularization strength (lambda) */
    lambda: number;
    /** Number of patterns to keep for Fisher computation */
    maxPatterns: number;
    /** Decay rate for online Fisher updates */
    fisherDecayRate: number;
    /** Minimum importance threshold for consolidation */
    importanceThreshold: number;
    /** Path to persist Fisher matrix */
    storagePath: string;
    /** Enable online updates (EWC++) */
    onlineMode: boolean;
    /** Dimensions of weight vectors */
    dimensions: number;
}
/**
 * Consolidation result
 */
export interface ConsolidationResult {
    /** Whether consolidation was successful */
    success: boolean;
    /** Number of patterns consolidated */
    patternsConsolidated: number;
    /** Total penalty applied */
    totalPenalty: number;
    /** Patterns that were modified */
    modifiedPatterns: string[];
    /** Patterns that were protected (high Fisher) */
    protectedPatterns: string[];
    /** Time taken in milliseconds */
    duration: number;
    /** Error message if failed */
    error?: string;
}
/**
 * Statistics about EWC consolidation state
 */
export interface EWCStats {
    /** Total patterns tracked */
    totalPatterns: number;
    /** Patterns with high importance (above threshold) */
    highImportancePatterns: number;
    /** Average Fisher information across all parameters */
    avgFisherValue: number;
    /** Maximum Fisher information value */
    maxFisherValue: number;
    /** Total successful consolidations */
    consolidationCount: number;
    /** Last consolidation timestamp */
    lastConsolidation: number | null;
    /** Average penalty per consolidation */
    avgPenalty: number;
    /** Storage size in bytes */
    storageSizeBytes: number;
}
/**
 * Gradient sample for Fisher computation
 */
export interface GradientSample {
    patternId: string;
    gradients: number[];
    timestamp: number;
    success: boolean;
}
//# sourceMappingURL=ewc-consolidation-types.d.ts.map