Method take

src/sessions/codex.rs:903–929

The summed counters as a dashboard-shaped usage object, resetting the turn sums (the cumulative-total dedup guard survives across turns).

(&mut self)

    /// The summed counters as a dashboard-shaped usage object, resetting the
    /// turn sums (the cumulative-total dedup guard survives across turns).
    pub(crate) fn take(&mut self) -> Option<Value> {
        if !self.seen {
            return None;
        }
        let mut usage = serde_json::Map::new();
        usage.insert("input_tokens".to_string(), Value::from(self.input));
        usage.insert("output_tokens".to_string(), Value::from(self.output));
        if self.cache_read > 0 {
            usage.insert(
                "cache_read_input_tokens".to_string(),
                Value::from(self.cache_read),
            );
        }
        if self.reasoning > 0 {
            usage.insert("reasoning_tokens".to_string(), Value::from(self.reasoning));
        }
        if self.total > 0 {
            usage.insert("total_tokens".to_string(), Value::from(self.total));
        }
        self.input = 0;
        self.output = 0;
        self.cache_read = 0;
        self.reasoning = 0;
        self.total = 0;
        self.seen = false;
        Some(Value::Object(usage))
    }
}

/// Add `add`'s numeric counters field-wise into `existing` (both are usage