don't use strings for paths

src/rpc.rs

@@ -1,4 +1,5 @@
 use std::collections::HashMap;
+use std::path::PathBuf;
 use std::sync::Arc;
 use tokio::sync::RwLock;
 use jsonrpsee::{core::RpcResult, proc_macros::rpc};
@@ -165,7 +166,7 @@ pub trait Rpc {
 /// RPC Server implementation
 pub struct RpcServerImpl {
     /// Base directory for database files
-    base_dir: String,
+    base_dir: PathBuf,
     /// Managed database servers
     servers: Arc<RwLock<HashMap<u64, Arc<Server>>>>,
     /// Default backend type
@@ -176,7 +177,7 @@ pub struct RpcServerImpl {
 
 impl RpcServerImpl {
     /// Create a new RPC server instance
-    pub fn new(base_dir: String, backend: crate::options::BackendType, admin_secret: String) -> Self {
+    pub fn new(base_dir: PathBuf, backend: crate::options::BackendType, admin_secret: String) -> Self {
         Self {
             base_dir,
             servers: Arc::new(RwLock::new(HashMap::new())),
@@ -351,7 +352,7 @@ impl RpcServerImpl {
             backend,
             encrypted,
             redis_version: Some("7.0".to_string()),
-            storage_path: Some(server.option.dir.clone()),
+            storage_path: Some(server.option.dir.display().to_string()),
             size_on_disk,
             key_count,
             created_at,