chore: fix formatting and clippy lints

stub/src/logger.rs

@@ -48,28 +48,45 @@ mod tests {
     #[test]
     fn test_extract_log_prefix_response() {
         let json_str = r#"{"jsonrpc":"2.0","id":123,"result":{}}"#;
-        assert_eq!(extract_log_prefix(json_str, true), "Response id=123 [Error: false]");
+        assert_eq!(
+            extract_log_prefix(json_str, true),
+            "Response id=123 [Error: false]"
+        );
 
-        let err_json = r#"{"jsonrpc":"2.0","id":456,"error":{"code":-32600,"message":"Invalid Request"}}"#;
-        assert_eq!(extract_log_prefix(err_json, true), "Response id=456 [Error: true]");
+        let err_json =
+            r#"{"jsonrpc":"2.0","id":456,"error":{"code":-32600,"message":"Invalid Request"}}"#;
+        assert_eq!(
+            extract_log_prefix(err_json, true),
+            "Response id=456 [Error: true]"
+        );
 
         let is_err_json = r#"{"jsonrpc":"2.0","id":789,"result":{"isError":true}}"#;
-        assert_eq!(extract_log_prefix(is_err_json, true), "Response id=789 [Error: true]");
+        assert_eq!(
+            extract_log_prefix(is_err_json, true),
+            "Response id=789 [Error: true]"
+        );
     }
 
     #[test]
     fn test_extract_log_prefix_tool_call() {
-        let json_str = r#"{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"search"}}"#;
+        let json_str =
+            r#"{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"search"}}"#;
         assert_eq!(extract_log_prefix(json_str, false), "ToolCall[search] id=1");
 
         let unknown_tool = r#"{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{}}"#;
-        assert_eq!(extract_log_prefix(unknown_tool, false), "ToolCall[unknown] id=2");
+        assert_eq!(
+            extract_log_prefix(unknown_tool, false),
+            "ToolCall[unknown] id=2"
+        );
     }
 
     #[test]
     fn test_extract_log_prefix_request() {
         let json_str = r#"{"jsonrpc":"2.0","id":10,"method":"initialize"}"#;
-        assert_eq!(extract_log_prefix(json_str, false), "Request[initialize] id=10");
+        assert_eq!(
+            extract_log_prefix(json_str, false),
+            "Request[initialize] id=10"
+        );
     }
 
     #[test]
@@ -84,4 +101,3 @@ mod tests {
         assert_eq!(extract_log_prefix(json_str, false), "Message");
     }
 }
-

stub/src/main.rs

@@ -170,11 +170,11 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
                 }
             }
         }
-        
+
         if retry_count >= 20 {
             return Err("Failed to connect to the MCP memory server after multiple attempts. Is it running?".into());
         }
-        
+
         Ok(())
     })
 }