chore(fmt): add legacy stubs and strip trailing whitespace to unblock cargo fmt

src/runtime/plugin_loader_v2/enabled/errors.rs

@@ -1,4 +1,4 @@
-use crate::bid::{BidResult, BidError};
+use crate::bid::{BidError, BidResult};
 
 // Minimal helpers to keep loader.rs lean and consistent
 #[inline]
@@ -12,5 +12,6 @@ pub fn from_toml<T>(_r: Result<T, toml::de::Error>) -> BidResult<T> {
 }
 
 #[inline]
-pub fn or_plugin_err<T>(opt: Option<T>) -> BidResult<T> { opt.ok_or(BidError::PluginError) }
-
+pub fn or_plugin_err<T>(opt: Option<T>) -> BidResult<T> {
+    opt.ok_or(BidError::PluginError)
+}