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
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/**
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* Metrics Augmentation - Optional Performance & Usage Metrics
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*
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* Replaces the hardcoded StatisticsCollector in Brainy with an optional augmentation.
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* Tracks performance metrics, usage patterns, and system statistics.
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*
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* Zero-config: Automatically enabled for observability
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* Can be disabled or customized via augmentation registry
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*/
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import { BaseAugmentation } from './brainyAugmentation.js';
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import { StatisticsCollector } from '../utils/statisticsCollector.js';
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/**
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* MetricsAugmentation - Makes metrics collection optional and pluggable
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*
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* Features:
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* - Performance tracking (search latency, throughput)
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* - Usage patterns (content types, verb types)
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* - Storage metrics (sizes, counts)
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* - Zero-config with smart defaults
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*/
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export class MetricsAugmentation extends BaseAugmentation {
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constructor(config = {}) {
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super();
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this.metadata = 'readonly'; // Reads metadata for metrics
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this.name = 'metrics';
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this.timing = 'after';
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this.operations = ['add', 'update', 'search', 'find', 'similar', 'delete', 'relate', 'unrelate', 'clear', 'all'];
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this.priority = 40; // Low priority, runs after other augmentations
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this.statisticsCollector = null;
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this.metricsTimer = null;
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this.config = {
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enabled: true,
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trackSearches: true,
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trackContentTypes: true,
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trackVerbTypes: true,
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trackStorageSizes: true,
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persistMetrics: true,
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metricsInterval: 60000, // Update metrics every minute
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...config
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};
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}
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async onInitialize() {
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if (!this.config.enabled) {
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this.log('Metrics augmentation disabled by configuration');
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return;
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}
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// Initialize statistics collector
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this.statisticsCollector = new StatisticsCollector();
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// Load existing metrics from storage if available
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if (this.config.persistMetrics && this.context?.storage) {
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try {
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const storage = this.context.storage;
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const existingStats = await storage.getStatistics?.();
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if (existingStats) {
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this.statisticsCollector.mergeFromStorage(existingStats);
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this.log('Loaded existing metrics from storage');
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}
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}
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catch (e) {
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this.log('Could not load existing metrics', 'info');
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}
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}
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// Start metrics update timer
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if (this.config.metricsInterval && this.config.metricsInterval > 0) {
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this.startMetricsTimer();
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}
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this.log('Metrics augmentation initialized');
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}
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async onShutdown() {
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// Stop metrics timer
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if (this.metricsTimer) {
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clearInterval(this.metricsTimer);
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this.metricsTimer = null;
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}
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// Persist final metrics
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if (this.config.persistMetrics && this.statisticsCollector && this.context?.storage) {
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try {
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await this.persistMetrics();
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}
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catch (error) {
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this.log('Error persisting metrics during shutdown', 'warn');
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}
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}
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this.statisticsCollector = null;
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this.log('Metrics augmentation shut down');
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}
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/**
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* Execute augmentation - track metrics for operations
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*/
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async execute(operation, params, next) {
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// If metrics disabled, just pass through
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if (!this.statisticsCollector || !this.config.enabled) {
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return next();
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}
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// Track operation timing
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const startTime = Date.now();
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try {
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const result = await next();
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const duration = Date.now() - startTime;
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// Track metrics based on operation
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switch (operation) {
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case 'add':
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this.handleAdd(params, duration);
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break;
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case 'search':
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this.handleSearch(params, duration);
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break;
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case 'delete':
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this.handleDelete(duration);
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break;
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case 'clear':
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this.handleClear();
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break;
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}
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return result;
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}
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catch (error) {
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// Error tracking removed - StatisticsCollector doesn't have trackError method
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// Could be added later if needed
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throw error;
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}
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}
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/**
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* Handle add operation metrics
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*/
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handleAdd(params, duration) {
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if (!this.statisticsCollector)
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return;
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// Track update
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this.statisticsCollector.trackUpdate();
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// Track content type if available
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if (this.config.trackContentTypes && params.metadata?.noun) {
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this.statisticsCollector.trackContentType(params.metadata.noun);
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}
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// Track verb type if it's a verb operation
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if (this.config.trackVerbTypes && params.metadata?.verb) {
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this.statisticsCollector.trackVerbType(params.metadata.verb);
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}
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this.log(`Add operation completed in ${duration}ms`, 'info');
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}
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/**
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* Handle search operation metrics
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*/
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handleSearch(params, duration) {
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if (!this.statisticsCollector || !this.config.trackSearches)
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return;
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const { query } = params;
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this.statisticsCollector.trackSearch(query || '', duration);
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this.log(`Search completed in ${duration}ms`, 'info');
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}
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/**
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* Handle delete operation metrics
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*/
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handleDelete(duration) {
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if (!this.statisticsCollector)
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return;
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this.statisticsCollector.trackUpdate();
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this.log(`Delete operation completed in ${duration}ms`, 'info');
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}
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/**
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* Handle clear operation - reset metrics
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*/
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handleClear() {
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if (!this.statisticsCollector)
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return;
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// Reset statistics when all data is cleared
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this.statisticsCollector = new StatisticsCollector();
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this.log('Metrics reset due to clear operation');
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}
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/**
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* Start periodic metrics update timer
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*/
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startMetricsTimer() {
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if (this.metricsTimer)
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return;
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this.metricsTimer = setInterval(async () => {
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await this.updateStorageMetrics();
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if (this.config.persistMetrics) {
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await this.persistMetrics();
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}
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}, this.config.metricsInterval);
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}
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/**
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* Update storage size metrics
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*/
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async updateStorageMetrics() {
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if (!this.statisticsCollector || !this.config.trackStorageSizes)
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return;
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if (!this.context?.storage)
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return;
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try {
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const storage = this.context.storage;
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const stats = await storage.getStatistics?.();
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if (stats) {
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// Estimate sizes based on counts
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const avgNounSize = 1024; // 1KB average
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const avgVerbSize = 256; // 256B average
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this.statisticsCollector.updateStorageSizes({
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nouns: (stats.totalNodes || 0) * avgNounSize,
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verbs: (stats.totalEdges || 0) * avgVerbSize,
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metadata: (stats.totalNodes || 0) * 512, // 512B per metadata
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index: (stats.hnswIndexSize || 0) // Use HNSW index size from stats
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});
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}
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}
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catch (e) {
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this.log('Could not update storage metrics', 'info');
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}
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}
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/**
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* Persist metrics to storage
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*/
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async persistMetrics() {
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if (!this.statisticsCollector || !this.context?.storage)
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return;
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try {
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const stats = this.statisticsCollector.getStatistics();
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// Storage adapters can optionally store these metrics
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// This is a no-op for adapters that don't support it
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this.log('Metrics persisted to storage', 'info');
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}
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catch (e) {
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this.log('Could not persist metrics', 'info');
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}
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}
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/**
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* Get current metrics
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*/
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getStatistics() {
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if (!this.statisticsCollector) {
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return {
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enabled: false,
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totalSearches: 0,
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totalUpdates: 0,
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contentTypes: {},
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verbTypes: {},
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searchPerformance: {
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averageLatency: 0,
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p95Latency: 0,
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p99Latency: 0
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}
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};
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}
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return {
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enabled: true,
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...this.statisticsCollector.getStatistics()
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};
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}
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/**
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* Record cache hit (called by cache augmentation)
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* Note: Cache metrics are tracked internally by StatisticsCollector
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*/
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recordCacheHit() {
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// StatisticsCollector doesn't have trackCacheHit method
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// Cache metrics would need to be implemented if needed
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this.log('Cache hit recorded', 'info');
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}
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/**
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* Record cache miss (called by cache augmentation)
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* Note: Cache metrics are tracked internally by StatisticsCollector
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*/
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recordCacheMiss() {
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// StatisticsCollector doesn't have trackCacheMiss method
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// Cache metrics would need to be implemented if needed
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this.log('Cache miss recorded', 'info');
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}
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/**
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* Track custom metric
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* Note: Custom metrics would need to be implemented in StatisticsCollector
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*/
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trackCustomMetric(name, value) {
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// StatisticsCollector doesn't have trackCustomMetric method
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// Could be added later if needed
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this.log(`Custom metric recorded: ${name}=${value}`, 'info');
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}
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/**
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* Reset all metrics
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*/
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reset() {
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if (this.statisticsCollector) {
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this.statisticsCollector = new StatisticsCollector();
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this.log('Metrics manually reset');
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}
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}
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}
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/**
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* Factory function for zero-config metrics augmentation
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*/
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export function createMetricsAugmentation(config) {
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return new MetricsAugmentation(config);
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}
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//# sourceMappingURL=metricsAugmentation.js.map
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