chore: recovery checkpoint - v3.0 API successfully recovered

CRITICAL CHECKPOINT - DO NOT PUSH TO GITHUB

Recovery Status:
- Successfully recovered brainy.ts from compiled JavaScript
- All core v3.0 API methods functional (add, get, update, delete, relate, find, etc.)
- Neural subsystem intact (562KB embedded patterns, NLP working)
- Augmentation pipeline operational (20+ augmentations)
- HNSW clustering system complete
- Triple Intelligence compiled (needs constructor fix)
- Test suite validates functionality

Changes preserved:
- 898 files with changes from last 3 days
- 144,475 insertions
- All augmentation improvements
- All test coverage enhancements
- Complete v3.0 feature set

This is a LOCAL checkpoint only - contains recovered work after corruption incident.
Created backup in .backups/brainy-full-20250910-151314.tar.gz

Branch: recovery-checkpoint-20250910-151433
Date: Wed Sep 10 03:18:04 PM PDT 2025

.recovery-workspace/dist-backup-20250910-141917/storage/readOnlyOptimizations.d.ts

@@ -0,0 +1,133 @@
+/**
+ * Read-Only Storage Optimizations for Production Deployments
+ * Implements compression, memory-mapping, and pre-built index segments
+ */
+import { HNSWNoun, Vector } from '../coreTypes.js';
+declare enum CompressionType {
+    NONE = "none",
+    GZIP = "gzip",
+    BROTLI = "brotli",
+    QUANTIZATION = "quantization",
+    HYBRID = "hybrid"
+}
+declare enum QuantizationType {
+    SCALAR = "scalar",// 8-bit scalar quantization
+    PRODUCT = "product",// Product quantization
+    BINARY = "binary"
+}
+interface CompressionConfig {
+    vectorCompression: CompressionType;
+    metadataCompression: CompressionType;
+    quantizationType?: QuantizationType;
+    quantizationBits?: number;
+    compressionLevel?: number;
+}
+interface ReadOnlyConfig {
+    prebuiltIndexPath?: string;
+    memoryMapped?: boolean;
+    compression: CompressionConfig;
+    segmentSize?: number;
+    prefetchSegments?: number;
+    cacheIndexInMemory?: boolean;
+}
+interface IndexSegment {
+    id: string;
+    nodeCount: number;
+    vectorDimension: number;
+    compression: CompressionType;
+    s3Key?: string;
+    localPath?: string;
+    loadedInMemory: boolean;
+    lastAccessed: number;
+}
+/**
+ * Read-only storage optimizations for high-performance production deployments
+ */
+export declare class ReadOnlyOptimizations {
+    private config;
+    private segments;
+    private compressionStats;
+    private quantizationCodebooks;
+    private memoryMappedBuffers;
+    constructor(config?: Partial<ReadOnlyConfig>);
+    /**
+     * Compress vector data using specified compression method
+     */
+    compressVector(vector: Vector, segmentId: string): Promise<ArrayBuffer>;
+    /**
+     * Decompress vector data
+     */
+    decompressVector(compressedData: ArrayBuffer, segmentId: string, originalDimension: number): Promise<Vector>;
+    /**
+     * Scalar quantization of vectors to 8-bit integers
+     */
+    private quantizeVector;
+    /**
+     * Dequantize 8-bit vectors back to float32
+     */
+    private dequantizeVector;
+    /**
+     * GZIP compression using browser/Node.js APIs
+     */
+    private gzipCompress;
+    /**
+     * GZIP decompression
+     */
+    private gzipDecompress;
+    /**
+     * Brotli compression (placeholder - similar to GZIP)
+     */
+    private brotliCompress;
+    /**
+     * Brotli decompression (placeholder)
+     */
+    private brotliDecompress;
+    /**
+     * Create prebuilt index segments for faster loading
+     */
+    createPrebuiltSegments(nodes: HNSWNoun[], outputPath: string): Promise<IndexSegment[]>;
+    /**
+     * Compress an entire segment of nodes
+     */
+    private compressSegment;
+    /**
+     * Load a segment from storage with caching
+     */
+    loadSegment(segmentId: string): Promise<HNSWNoun[]>;
+    /**
+     * Load segment data from storage
+     */
+    private loadSegmentFromStorage;
+    /**
+     * Deserialize and decompress segment data
+     */
+    private deserializeSegment;
+    /**
+     * Serialize connections Map for storage
+     */
+    private serializeConnections;
+    /**
+     * Deserialize connections from storage format
+     */
+    private deserializeConnections;
+    /**
+     * Prefetch segments based on access patterns
+     */
+    prefetchSegments(currentSegmentId: string): Promise<void>;
+    /**
+     * Update compression statistics
+     */
+    private updateCompressionRatio;
+    /**
+     * Get compression statistics
+     */
+    getCompressionStats(): typeof this.compressionStats & {
+        segmentCount: number;
+        memoryUsage: number;
+    };
+    /**
+     * Cleanup memory-mapped buffers
+     */
+    cleanup(): void;
+}
+export {};