feat(package): implement RootAliasPackage root getters via owned returns

It is faithful to PHP's by-value array/string semantics.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/crates/shirabe/src/package/root_package_interface.rs b/crates/shirabe/src/package/root_package_interface.rs
index 85e5f9a..0d34acf 100644
--- a/crates/shirabe/src/package/root_package_interface.rs
+++ b/crates/shirabe/src/package/root_package_interface.rs
@@ -7,17 +7,17 @@ use indexmap::IndexMap;
 use shirabe_php_shim::PhpMixed;
 
 pub trait RootPackageInterface: CompletePackageInterface {
-    fn get_aliases(&self) -> &[IndexMap<String, String>];
+    fn get_aliases(&self) -> Vec<IndexMap<String, String>>;
 
-    fn get_minimum_stability(&self) -> &str;
+    fn get_minimum_stability(&self) -> String;
 
-    fn get_stability_flags(&self) -> &IndexMap<String, i64>;
+    fn get_stability_flags(&self) -> IndexMap<String, i64>;
 
-    fn get_references(&self) -> &IndexMap<String, String>;
+    fn get_references(&self) -> IndexMap<String, String>;
 
     fn get_prefer_stable(&self) -> bool;
 
-    fn get_config(&self) -> &IndexMap<String, PhpMixed>;
+    fn get_config(&self) -> IndexMap<String, PhpMixed>;
 
     fn set_requires(&mut self, requires: IndexMap<String, Link>);