feat(payments): 增加兑换码与支付适配框架 (#299)

* feat(payments): 增加兑换码与支付适配框架

* fix(ci): 对齐 Rust 1.95 lint 与格式要求

* fix(payments): harden redeem code wallet credits

---------

Co-authored-by: fawney19 <elky0401@gmail.com>

apps/aether-gateway/src/handlers/admin/observability/monitoring/resilience/snapshot.rs

@@ -1,3 +1,4 @@
+use super::super::usage_helpers::admin_monitoring_usage_is_error;
 use crate::handlers::admin::request::AdminAppState;
 use crate::handlers::admin::shared::{provider_key_health_summary, unix_secs_to_rfc3339};
 use crate::GatewayError;
@@ -156,7 +157,10 @@ pub(super) async fn build_admin_monitoring_resilience_snapshot(
             created_until_unix_secs: (now.timestamp().max(0) as u64).saturating_add(1),
             limit: None,
         })
-        .await?;
+        .await?
+        .into_iter()
+        .filter(admin_monitoring_usage_is_error)
+        .collect::<Vec<_>>();
     recent_usage_errors.sort_by_key(|item| std::cmp::Reverse(item.created_at_unix_ms));
 
     let total_errors = recent_usage_errors.len();