feat: enhance socket path validation for reqwest client configuration

apps/api/src/services/agent_client.rs

@@ -1,4 +1,4 @@
-use std::sync::Arc;
+use std::{os::unix::fs::FileTypeExt, sync::Arc};
 
 use agent_client::{
     apis::{
@@ -105,7 +105,9 @@ impl From<AgentSettings> for Configuration {
         let mut builder = reqwest::Client::builder();
 
         let url = settings.socket_path;
-        if url.starts_with("unix://") {
+        // check if the url is a unix socket path
+        let is_socket = std::fs::metadata(&url).is_ok_and(|m| m.file_type().is_socket());
+        if is_socket || url.starts_with("unix://") {
             builder = builder.unix_socket(url.to_string());
             config.client = builder.build().expect("Failed to build reqwest client");
         } else {