Module health

Health monitoring and circuit breaker for the plugin pool.

This module provides:

• Circuit breaker pattern for automatic degradation under stress
• Health status reporting for monitoring
• Dead server detection for automatic recovery

Structs

CircuitBreaker

Circuit breaker for managing pool health and automatic recovery. Tracks failure rates and response times to detect GC pressure.

HealthStatus

Health status information from the pool server

ResultRingBuffer

Lock-free ring buffer for tracking recent results (sliding window)

Enums

CircuitState

Circuit breaker state for automatic degradation under stress

DeadServerIndicator

Indicators that the pool server is dead or unreachable. Using an enum instead of string matching for type safety and documentation.

ProcessStatus

Process status for health check decisions