Struct HeadDropCompactor 

pub struct HeadDropCompactor;

Reference compactor: drop oldest turns until the rendered character count fits under budget_chars. Tool round-trips stay paired by construction; the strategy never partially includes a turn.

Synchronous in spirit — the async fn body runs to completion without awaiting any future. Operators that want LLM-generated summary compaction reach for entelix_agents::SummaryCompactor instead.

Trait Implementations

impl Clone for HeadDropCompactor

fn clone(&self) -> HeadDropCompactor

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Compactor for HeadDropCompactor

fn compact<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, events: &'life1 [GraphEvent], budget_chars: usize, _ctx: &'life2 ExecutionContext, ) -> Pin<Box<dyn Future<Output = Result<CompactedHistory>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Compact events to fit within budget_chars. The budget is approximate — implementations measure character length of the rendered text (closest free proxy for token count without pulling a tokenizer dependency). The ExecutionContext carries cancellation + deadline so a long-running summarisation respects the same lifetime as the dispatch that triggered it. Returns Error::Config when the event log violates the pair invariant before compaction (e.g. ToolResult without a preceding ToolCall); a well-formed SessionGraph never hits this path.

impl Debug for HeadDropCompactor

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

Formats the value using the given formatter.

impl Default for HeadDropCompactor

fn default() -> HeadDropCompactor

Returns the “default value” for a type.

impl Copy for HeadDropCompactor