Struct ExecutionTrace 

pub struct ExecutionTrace {
    pub variant: String,
    pub stages: Vec<StageOutcome>,
    pub distinct_cache_keys: Vec<String>,
    pub prompt_cache_consistent: bool,
    pub final_output: Value,
    pub bytes_per_stage: Vec<usize>,
}

Full execution trace returned by IngestExecutor::run.

Fields

variant: String

Pipeline variant tag ("two_phase" / "four_step").

stages: Vec<StageOutcome>

Stage-by-stage outcomes in execution order.

distinct_cache_keys: Vec<String>

Distinct cache keys observed across LLM stages. Form 3’s acceptance criterion is that this set has length 1 (or 0 when the pipeline has no LLM stages).

prompt_cache_consistent: bool

true when every LLM stage shared the same cache key.

final_output: Value

Final structured output emitted by the last LLM stage, OR the last helper stage if the pipeline had no LLM stages.

bytes_per_stage: Vec<usize>

v0.7.0 polish (issue #782 PERF-11) — per-stage content-bytes histogram. Indexed by stage execution order (matches stages[i]). Helpers report the borrowed-slice length; LLM stages report the post-truncation length. Operators threading the trace into Prometheus/Statsd can publish this as a histogram with one bucket per stage label.

Trait Implementations

impl Clone for ExecutionTrace

fn clone(&self) -> ExecutionTrace

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ExecutionTrace

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ExecutionTrace

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ExecutionTrace

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.