chore: rustfmt, clippy lints and code tidying

server/src/models.rs

@@ -1,6 +1,6 @@
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
-use schemars::JsonSchema;
 
 #[derive(Debug, Clone, Serialize, Deserialize, Default)]
 pub struct CodeChange {