Module improvements_errors 

Error types and observability for core improvements

Provides structured error handling with context and observability hooks.

Structs

ImprovementError

Structured errors for tool improvements

ImprovementEvent

Observability event for tool improvements

LoggingSink

Logging-based observability sink

NoOpSink

No-op observability sink (for when observability is disabled)

ObservabilityContext

Global observability context

Enums

ErrorKind

Error classifications

ErrorSeverity

Error severity level

EventType

Types of observable events

Traits

ObservabilitySink

Observability sink for receiving events

Type Aliases

ImprovementResult

Result type for tool improvements operations