Remove Copy trait from BuildEvent and PackageTarballInfo

crates/pm/src/service/pipeline/receiver.rs

@@ -69,7 +69,7 @@ impl<R: EventReceiver> PipelineReceiver<R> {
 impl<R: EventReceiver> EventReceiver for PipelineReceiver<R> {
     fn on_event(&self, event: BuildEvent<'_>) {
         // Forward to inner receiver first (for progress bar updates)
-        self.inner.on_event(event);
+        self.inner.on_event(event.clone());
 
         match event {
             BuildEvent::PackageResolved(info)

crates/ruborist/src/model/tarball_info.rs

@@ -8,7 +8,7 @@ use crate::model::manifest::VersionManifest;
 /// A lightweight structure containing only the fields needed for
 /// downloading and verifying a package tarball. Uses references to
 /// avoid cloning data from the source manifest.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone)]
 pub struct PackageTarballInfo<'a> {
     /// Package name
     pub name: &'a str,

crates/ruborist/src/traits/progress.rs

@@ -8,7 +8,7 @@ use std::path::Path;
 pub use crate::model::tarball_info::PackageTarballInfo;
 
 /// Events emitted during dependency resolution.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone)]
 pub enum BuildEvent<'a> {
     /// Starting preload phase with N initial dependencies.
     PreloadStart { count: usize },