refactor(package): introduce Rc<RefCell<_>> handles for packages

PHP packages have reference semantics, so introduce shared-ownership
handles over an AnyPackage enum (PackageInterfaceHandle and friends)
and replace Box<dyn PackageInterface> throughout.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

1 files changed, 9 insertions, 8 deletions

diff --git a/crates/shirabe/src/repository/installed_array_repository.rs b/crates/shirabe/src/repository/installed_array_repository.rs
index b089df6..f0244b6 100644
--- a/crates/shirabe/src/repository/installed_array_repository.rs
+++ b/crates/shirabe/src/repository/installed_array_repository.rs
@@ -4,8 +4,9 @@ use indexmap::IndexMap;
 use shirabe_php_shim::Countable;
 use shirabe_semver::constraint::AnyConstraint;
 
-use crate::package::BasePackage;
+use crate::package::BasePackageHandle;
 use crate::package::PackageInterface;
+use crate::package::PackageInterfaceHandle;
 use crate::repository::AdvisoryProviderInterface;
 use crate::repository::InstalledRepositoryInterface;
 use crate::repository::WritableArrayRepository;
@@ -24,7 +25,7 @@ impl InstalledArrayRepository {
         Self::new_with_packages(Vec::new())
     }
 
-    pub fn new_with_packages(packages: Vec<Box<dyn PackageInterface>>) -> anyhow::Result<Self> {
+    pub fn new_with_packages(packages: Vec<PackageInterfaceHandle>) -> anyhow::Result<Self> {
         Ok(Self {
             inner: WritableArrayRepository::new(packages)?,
         })
@@ -56,7 +57,7 @@ impl WritableRepositoryInterface for InstalledArrayRepository {
 
     fn add_package(
         &mut self,
-        package: Box<dyn crate::package::PackageInterface>,
+        package: crate::package::PackageInterfaceHandle,
     ) -> anyhow::Result<()> {
         todo!()
     }
@@ -68,7 +69,7 @@ impl WritableRepositoryInterface for InstalledArrayRepository {
         todo!()
     }
 
-    fn get_canonical_packages(&self) -> Vec<Box<dyn crate::package::PackageInterface>> {
+    fn get_canonical_packages(&self) -> Vec<crate::package::PackageInterfaceHandle> {
         todo!()
     }
 
@@ -99,17 +100,17 @@ impl RepositoryInterface for InstalledArrayRepository {
         &self,
         _name: &str,
         _constraint: FindPackageConstraint,
-    ) -> Option<Box<dyn BasePackage>> {
+    ) -> Option<BasePackageHandle> {
         todo!()
     }
     fn find_packages(
         &self,
         _name: &str,
         _constraint: Option<FindPackageConstraint>,
-    ) -> Vec<Box<dyn BasePackage>> {
+    ) -> Vec<BasePackageHandle> {
         todo!()
     }
-    fn get_packages(&self) -> Vec<Box<dyn BasePackage>> {
+    fn get_packages(&self) -> Vec<BasePackageHandle> {
         todo!()
     }
     fn load_packages(
@@ -117,7 +118,7 @@ impl RepositoryInterface for InstalledArrayRepository {
         _package_name_map: IndexMap<String, Option<AnyConstraint>>,
         _acceptable_stabilities: IndexMap<String, i64>,
         _stability_flags: IndexMap<String, i64>,
-        _already_loaded: IndexMap<String, IndexMap<String, Box<dyn PackageInterface>>>,
+        _already_loaded: IndexMap<String, IndexMap<String, PackageInterfaceHandle>>,
     ) -> LoadPackagesResult {
         todo!()
     }