Trait EngineObserver 

pub trait EngineObserver: Send + Sync {
    // Required methods
    fn on_start(
        &self,
        id: &str,
        template: &str,
        slot: &str,
        request: &GenerationRequest,
    );
    fn on_success(&self, id: &str, response: &GenerationResponse);
    fn on_healing_step(&self, id: &str, attempt: u32, error: &str);
    fn on_failure(&self, id: &str, error: &str);

    // Provided method
    fn on_metadata(&self, _id: &str, _key: &str, _value: Value) { ... }
}

Trait for observing engine events (logging, metrics, UI).

Required Methods

fn on_start( &self, id: &str, template: &str, slot: &str, request: &GenerationRequest, )

Called when a generation starts.

fn on_success(&self, id: &str, response: &GenerationResponse)

Called when a generation succeeds.

fn on_healing_step(&self, id: &str, attempt: u32, error: &str)

Called when a validation/healing attempt occurs.

fn on_failure(&self, id: &str, error: &str)

Called when a generation fails permanently.

Provided Methods

fn on_metadata(&self, _id: &str, _key: &str, _value: Value)

Called to report arbitrary metadata for an event.

Implementors