Struct SessionUsage 

pub struct SessionUsage {

    pub model: String,
    pub input_tokens: u64,
    pub output_tokens: u64,
    pub cache_read_tokens: u64,
    pub cache_write_tokens: u64,
    pub total_tokens: u64,
    pub estimated_cost_usd: f64,
    pub context_window_size: u64,
    pub context_window_used_pct: f64,
    pub current_context_tokens: u64,
    pub total_context_sent: u64,
    pub cache_hit_pct: f64,
    pub message_count: u64,
    pub session_id: String,
}

Usage summary for a single session, returned to the frontend status bar.

Fields

model: String

input_tokens: u64

output_tokens: u64

cache_read_tokens: u64

cache_write_tokens: u64

total_tokens: u64

estimated_cost_usd: f64

context_window_size: u64

context_window_used_pct: f64

current_context_tokens: u64

Last message’s total input context (current context window usage).

total_context_sent: u64

Cumulative context sent (input + cache_read + cache_write).

cache_hit_pct: f64

cache_read / (input + cache_read), in percent. 0 when no cache activity.

message_count: u64

session_id: String

Trait Implementations

impl Clone for SessionUsage

fn clone(&self) -> SessionUsage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SessionUsage

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

Formats the value using the given formatter.

impl Default for SessionUsage

fn default() -> SessionUsage

Returns the “default value” for a type.

impl Serialize for SessionUsage

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

where __S: Serializer,

Serialize this value into the given Serde serializer.