fix(plugins): use cross-platform temp directory in path test

Replace hardcoded /tmp with std::env::temp_dir() for Windows compatibility.

Author: echobt

src/cortex-plugins/src/api.rs

@@ -857,12 +857,13 @@ mod tests {
 
     #[test]
     fn test_host_functions_path_allowed_with_explicit_allowlist() {
-        // Use /tmp as cwd which should exist on most systems
-        let host = PluginHostFunctions::new("test", PathBuf::from("/tmp"))
-            .with_allowed_paths(vec![PathBuf::from("/tmp")]);
+        // Use a temp directory that works cross-platform
+        let temp_dir = std::env::temp_dir();
+        let host = PluginHostFunctions::new("test", temp_dir.clone())
+            .with_allowed_paths(vec![temp_dir.clone()]);
 
-        // /tmp exists and should be allowed
-        assert!(host.is_path_allowed(&PathBuf::from("/tmp")));
+        // Temp dir should be allowed when explicitly added to allowlist
+        assert!(host.is_path_allowed(&temp_dir));
     }
 
     #[test]