diff --git a/libs/service/lib.rs b/libs/service/lib.rs
index a803c52..8a108e9 100644
--- a/libs/service/lib.rs
+++ b/libs/service/lib.rs
@@ -1,8 +1,8 @@
 use std::sync::Arc;
 
 use ::agent::chat::ChatService;
-use ::agent::tool::ToolRegistry;
 use ::agent::task::service::TaskService;
+use ::agent::tool::ToolRegistry;
 use async_openai::config::OpenAIConfig;
 use avatar::AppAvatar;
 use config::AppConfig;
@@ -136,30 +136,30 @@ impl AppService {
             .unwrap_or_else(|| "redis://127.0.0.1:6379".to_string());
 
         // Build ChatService if AI is configured; otherwise AI chat is disabled (graceful degradation)
-        let chat_service: Option<Arc<ChatService>> = match (
-            config.ai_api_key(),
-            config.ai_basic_url(),
-        ) {
-            (Ok(api_key), Ok(base_url)) => {
-                slog::info!(logs, "AI chat enabled — connecting to {}", base_url);
-                let cfg = OpenAIConfig::new()
-                    .with_api_key(&api_key)
-                    .with_api_base(&base_url);
-                let client = async_openai::Client::with_config(cfg);
-                let mut registry = ToolRegistry::new();
-                git_tools::register_all(&mut registry);
-                file_tools::register_all(&mut registry);
-                Some(Arc::new(ChatService::new(client).with_tool_registry(registry)))
-            }
-            (Err(e), _) => {
-                slog::warn!(logs, "AI chat disabled — {}", e);
-                None
-            }
-            (_, Err(e)) => {
-                slog::warn!(logs, "AI chat disabled — {}", e);
-                None
-            }
-        };
+        let chat_service: Option<Arc<ChatService>> =
+            match (config.ai_api_key(), config.ai_basic_url()) {
+                (Ok(api_key), Ok(base_url)) => {
+                    slog::info!(logs, "AI chat enabled — connecting to {}", base_url);
+                    let cfg = OpenAIConfig::new()
+                        .with_api_key(&api_key)
+                        .with_api_base(&base_url);
+                    let client = async_openai::Client::with_config(cfg);
+                    let mut registry = ToolRegistry::new();
+                    git_tools::register_all(&mut registry);
+                    file_tools::register_all(&mut registry);
+                    Some(Arc::new(
+                        ChatService::new(client).with_tool_registry(registry),
+                    ))
+                }
+                (Err(e), _) => {
+                    slog::warn!(logs, "AI chat disabled — {}", e);
+                    None
+                }
+                (_, Err(e)) => {
+                    slog::warn!(logs, "AI chat disabled — {}", e);
+                    None
+                }
+            };
 
         let room = RoomService::new(
             db.clone(),
@@ -213,7 +213,8 @@ impl AppService {
                         body: envelope.body,
                     };
                     if let Err(e) = email.send(msg).await {
-                        slog::error!(logs, "email send failed"; "to" => to, "error" => %e);
+                        let err = format!("email send failed to:{}  error: {}", to, e);
+                        slog::error!(logs, "{}", err);
                     }
                 }
                 Ok(())
@@ -228,9 +229,9 @@ impl AppService {
 pub mod agent;
 pub mod auth;
 pub mod error;
+pub mod file_tools;
 pub mod git;
 pub mod git_tools;
-pub mod file_tools;
 pub mod issue;
 pub mod project;
 pub mod pull_request;