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21b632592a356b5088f9738f5c01920019572fc7
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10 Commits

Author SHA1 Message Date
Claude 21b632592a fix(metrics): address PR #6 code review feedback 
Fixes based on Copilot AI and Codex code review comments:

1. Race Condition Fix (lines 1065-1069):
   - BEFORE: setTimeout(100ms) was incomplete - callers could resolve
     before server was actually ready
   - FIX: Cache the Promise from first start() call using startPromise
   - All concurrent calls now return the same Promise
   - Properly handles both success and error cases

2. CPU Percentage Calculation (lines 993-996):
   - BEFORE: Division by cpuCount gave artificially low values
     (e.g., 25% instead of 100% on 4-core for single-threaded process)
   - FIX: Removed cpuCount division
   - Now follows Unix/Prometheus standard: 100% = 1 core fully used
   - Values can exceed 100% on multi-core (200% = 2 cores at 100%)
   - Updated metric description to clarify this behavior
 2026-01-20 04:22:00 +00:00
Claude 834cb75ba4 fix(metrics): address PR #4 code review feedback 
Fixes based on Copilot AI and Codex code review comments:

1. CPU Usage Metric (line ~930-933):
   - FIX: process.cpuUsage() now calculates delta between measurements
   - Returns actual percentage (0-100) instead of cumulative seconds
   - Normalized across CPU cores

2. Duplicate SystemMetricsCollector (line ~1353-1355):
   - FIX: Removed duplicate instantiation from PrometheusMetricsManager
   - Now uses MetricsServer's collector via getSystemCollector()

3. Collection Interval (line ~1006-1008):
   - FIX: Added collectIntervalMs to MetricsConfig
   - Configurable via BAILEYS_PROMETHEUS_COLLECT_INTERVAL_MS

4. Error Handling (line ~1021-1022):
   - FIX: Enhanced error messages with structured JSON response
   - Includes error message, timestamp, and logs to console

5. Server Binding Security (line ~1034-1038):
   - FIX: Default host changed from 0.0.0.0 to 127.0.0.1
   - Configurable via BAILEYS_PROMETHEUS_HOST
   - Warning shown if exposed on all interfaces

6. Race Condition (line ~998-1001):
   - FIX: Added isStarting flag to prevent concurrent initialization
   - Multiple concurrent start() calls now handled safely
 2026-01-20 04:12:58 +00:00
Claude 11e7c71fd1 feat(event-buffer): enhance with enterprise-grade features 
- Add environment variable configuration (BAILEYS_BUFFER_*)
- Implement destroy() method for proper resource cleanup
- Add force flush capability with flush(force) parameter
- Implement buffer overflow detection and prevention
- Add adaptive timeout algorithm based on event rate
- Replace historyCache.clear() with LRU cache cleanup
- Integrate Prometheus metrics for buffer monitoring
- Add isDestroyed state protection
- Fix createBufferedFunction to prevent orphaned timers
- Add comprehensive statistics tracking (getStatistics())
- Add configuration accessor (getConfig())

Enterprise features:
- Configurable buffer size limits (maxBufferSize)
- Configurable timeout ranges (min/max)
- LRU cleanup ratio configuration
- Buffer overflow warning threshold
- Adaptive timeout based on event rate
 2026-01-20 03:45:52 +00:00
Claude 8a705e5a1e fix(metrics): update env vars to match BAILEYS_PROMETHEUS_* convention 
- Support BAILEYS_PROMETHEUS_ENABLED, BAILEYS_PROMETHEUS_PORT, etc.
- Add support for BAILEYS_PROMETHEUS_LABELS JSON configuration
- Maintain backward compatibility with METRICS_* prefix
- Update default port to 9092 (matching user's .env)
- Enable by opt-in (enabled=false by default)
- Improved startup log with labels info
 2026-01-20 03:19:32 +00:00
Claude 0c173212fd feat(metrics): enhance Prometheus metrics with enterprise-grade features 
- Add HTTP server for /metrics endpoint with configurable port
- Add environment variable configuration (METRICS_ENABLED, METRICS_PORT, etc.)
- Add SystemMetricsCollector for process/system metrics (CPU, memory, load avg)
- Add Event Buffer metrics (size, capacity, utilization, flushes, overflows)
- Add Adaptive Flush metrics (interval, adjustments, throughput, backpressure)
- Add Circuit Breaker metrics (state, trips, recoveries, rejections)
- Add Query metrics (latency, count, timeouts)
- Add Presence and Group metrics
- Add History Sync metrics
- Add helper functions (trackDuration, trackDurationAsync, trackOperation)
- Add Express middleware support
- Add global metrics manager with initialize/shutdown lifecycle
- Total metrics increased from 18 to 50+
 2026-01-20 03:14:44 +00:00
Claude 5714e8e940 merge: resolve conflicts with master 2026-01-20 02:38:37 +00:00
Claude 61f5f76ef0 feat(socket): integrate circuit breaker with Socket operations 
- Add circuit breaker configuration options to SocketConfig type
- Initialize circuit breakers for query, connection, and pre-key operations
- Wrap query() with circuit breaker protection for all WhatsApp queries
- Wrap sendRawMessage() with connection circuit breaker
- Integrate pre-key circuit breaker with uploadPreKeys()
- Add circuit breaker utilities to socket return object (stats, reset)
- Clean up circuit breakers on connection close
- Fix TypeScript errors in utility files (prometheus-metrics, logger-adapter, etc.)

Circuit breakers provide:
- Sliding window failure tracking
- Automatic state transitions (closed -> open -> half-open)
- Configurable thresholds and timeouts
- Prometheus metrics integration
- Event callbacks for monitoring
 2026-01-20 02:31:23 +00:00
Claude dd59a7fe65 fix(utils): resolve TypeScript compilation errors 
- baileys-event-stream.ts: Add null check for buffer item in priority insertion
- baileys-logger.ts: Handle 'silent' log level and fix JID sanitization
- cache-utils.ts: Fix type incompatibility in global cache with any type
- logger-adapter.ts: Add nullish coalescing for level mapping and fix console type cast
- prometheus-metrics.ts: Rename private 'metrics' property to 'metricsMap' to avoid conflict with method
- trace-context.ts: Store baggage header in variable before accessing to fix undefined check
 2026-01-20 02:05:14 +00:00
Claude 64c7712da7 refactor(utils): translate all comments to English and enhance circuit breaker 
- Translate all Portuguese comments to English in utility modules
- Enhance circuit-breaker.ts with sliding window failure tracking
- Add factory functions for WhatsApp-specific circuit breakers
  (createPreKeyCircuitBreaker, createConnectionCircuitBreaker, createMessageCircuitBreaker)
- Improve volume threshold support for circuit breaker decisions
- Standardize documentation across all utility files

Files updated:
- structured-logger.ts: English comments
- baileys-logger.ts: English comments
- trace-context.ts: English comments
- prometheus-metrics.ts: English comments
- cache-utils.ts: English comments
- circuit-breaker.ts: Enhanced with sliding window + English comments
- retry-utils.ts: English comments
- baileys-event-stream.ts: English comments
- index.ts: English comments
 2026-01-20 01:48:23 +00:00
Claude 882a1f57cf feat(utils): add observability and resilience utilities 
Implement comprehensive utility modules for InfiniteAPI:

Logging:
- structured-logger: JSON logging with levels, sanitization, metrics
- logger-adapter: Pino/Console/Structured adapter pattern
- baileys-logger: WhatsApp-specific logger with categories

Observability:
- trace-context: Distributed tracing with spans, correlation IDs
- prometheus-metrics: Counter, Gauge, Histogram, Summary metrics

Resilience:
- cache-utils: LRU cache with TTL, multi-level support
- circuit-breaker: 3-state circuit breaker with fallbacks
- retry-utils: Exponential backoff with jitter, predicates

Event Streaming:
- baileys-event-stream: Priority queues, backpressure, DLQ

Includes unit tests for all new modules.
 2026-01-20 01:26:06 +00:00