Method build_usage_payload

src/do_state.rs:715–749

(
        &self,
        doc: &mut DurableStateDoc,
        only_id: Option<&str>,
    )

    }

    async fn build_usage_payload(
        &self,
        doc: &mut DurableStateDoc,
        only_id: Option<&str>,
    ) -> Vec<serde_json::Value> {
        let now = now_unix_ms();
        let mut items = Vec::new();
        let credential_ids = doc
            .credentials
            .iter()
            .filter(|item| item.channel == ACTIVE_CHANNEL)
            .filter(|item| only_id.is_none_or(|id| item.id == id))
            .map(|item| item.id.clone())
            .collect::<Vec<_>>();
        for credential_id in credential_ids {
            let Some(credential) = current_credential(doc, &credential_id) else {
                continue;
            };
            let (view_credential, usage) = self.fetch_usage_snapshot(doc, &credential).await;
            let view = build_usage_view(&view_credential, usage, now);
            items.push(json!({
                "id": view.id,
                "user_email": view.user_email,
                "enabled": view.enabled,
                "order": view.order,
                "status": view.status,
                "cooldown_until_unix_ms": view.cooldown_until_unix_ms,
                "last_error": view.last_error,
                "last_used_at_unix_ms": view.last_used_at_unix_ms,
                "usage": view.usage,
                "json": credential.json_view(),
            }));
        }
        items
    }
}

fn apply_refreshed_credential(