Function update_budget 

pub async fn update_budget(budget: &PluginBudget, response_body: &Value)

Update the PluginBudget from a completed response body.

Extracts extensions.cost.throttleStatus if present and forwards to LiveBudget::update_from_response.

Example

use serde_json::json;
use stygian_graph::adapters::graphql_throttle::{CostThrottleConfig, PluginBudget, update_budget};

let budget = PluginBudget::new(CostThrottleConfig::default());
let response = json!({
    "data": {},
    "extensions": { "cost": { "throttleStatus": {
        "maximumAvailable": 10000.0,
        "currentlyAvailable": 8000.0,
        "restoreRate": 500.0,
    }}}
});
update_budget(&budget, &response).await;