feat(proxy): add render_config method and UpstreamService mock

- Add render_config to ProxyServiceTrait and implement it

- Add mockall automock to UpstreamService

- Remove unused OverrideRef import

apps/nxmesh-master/src/service/proxy/mod.rs

@@ -39,6 +39,9 @@ pub trait ProxyServiceTrait: Send + Sync + 'static {
     ) -> ProxyServiceResult<ProxyConfigSummary>;
     async fn delete_config(&self, id: uuid::Uuid) -> ProxyServiceResult<bool>;
 
+    // Render
+    async fn render_config(&self, proxy_id: uuid::Uuid) -> ProxyServiceResult<String>;
+
     // Binding
     async fn get_active_agent_config(
         &self,

apps/nxmesh-master/src/service/proxy/service.rs

@@ -32,6 +32,15 @@ impl ProxyServiceTrait for ProxyServiceImpl {
         self.repo.get_merged_proxy_config(proxy_id).await
     }
 
+    async fn render_config(&self, proxy_id: uuid::Uuid) -> ProxyServiceResult<String> {
+        let config = self.repo.get_merged_proxy_config(proxy_id).await?;
+        let renderer = self
+            .renderers
+            .get(&config.r#type)
+            .ok_or(ProxyServiceError::RendererNotFound)?;
+        Ok(renderer.render(&config))
+    }
+
     async fn list_configs(&self) -> ProxyServiceResult<Vec<ProxyConfigSummary>> {
         self.repo.list_proxy_configs().await
     }

apps/nxmesh-master/src/service/proxy/upstream/mod.rs

@@ -2,7 +2,7 @@ use sea_orm::{ActiveModelTrait, ActiveValue::Set, DatabaseConnection, EntityTrai
 use uuid::Uuid;
 
 use crate::service::proxy::types::{
-    OverrideRef, ProxyServiceError, ProxyServiceResult, UpstreamConfig,
+    ProxyServiceError, ProxyServiceResult, UpstreamConfig,
 };
 
 pub struct CreateUpstreamParams {
@@ -34,6 +34,7 @@ fn model_to_config(model: crate::db::entities::upstream::Model) -> UpstreamConfi
     }
 }
 
+#[cfg_attr(test, mockall::automock)]
 #[async_trait::async_trait]
 pub trait UpstreamService: Send + Sync + 'static {
     async fn get(&self, id: Uuid) -> ProxyServiceResult<UpstreamConfig>;