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, 13 insertions, 12 deletions

diff --git a/crates/shirabe/src/installer/noop_installer.rs b/crates/shirabe/src/installer/noop_installer.rs
index 8297165..12e7e95 100644
--- a/crates/shirabe/src/installer/noop_installer.rs
+++ b/crates/shirabe/src/installer/noop_installer.rs
@@ -2,6 +2,7 @@
 
 use crate::installer::InstallerInterface;
 use crate::package::PackageInterface;
+use crate::package::PackageInterfaceHandle;
 use crate::repository::InstalledRepositoryInterface;
 use shirabe_php_shim::{InvalidArgumentException, PhpMixed};
 
@@ -51,10 +52,10 @@ impl InstallerInterface for NoopInstaller {
     async fn install(
         &mut self,
         repo: &mut dyn InstalledRepositoryInterface,
-        package: &dyn PackageInterface,
+        package: &PackageInterfaceHandle,
     ) -> anyhow::Result<Option<PhpMixed>> {
-        if !repo.has_package(package) {
-            repo.add_package(package.clone_package_box());
+        if !repo.has_package(package.as_rc().borrow().as_package_interface()) {
+            repo.add_package(package.clone());
         }
 
         Ok(None)
@@ -63,10 +64,10 @@ impl InstallerInterface for NoopInstaller {
     async fn update(
         &mut self,
         repo: &mut dyn InstalledRepositoryInterface,
-        initial: &dyn PackageInterface,
-        target: &dyn PackageInterface,
+        initial: &PackageInterfaceHandle,
+        target: &PackageInterfaceHandle,
     ) -> anyhow::Result<Option<PhpMixed>> {
-        if !repo.has_package(initial) {
+        if !repo.has_package(initial.as_rc().borrow().as_package_interface()) {
             return Err(InvalidArgumentException {
                 message: format!("Package is not installed: {}", initial),
                 code: 0,
@@ -74,9 +75,9 @@ impl InstallerInterface for NoopInstaller {
             .into());
         }
 
-        repo.remove_package(initial);
-        if !repo.has_package(target) {
-            repo.add_package(target.clone_package_box());
+        repo.remove_package(initial.as_rc().borrow().as_package_interface());
+        if !repo.has_package(target.as_rc().borrow().as_package_interface()) {
+            repo.add_package(target.clone());
         }
 
         Ok(None)
@@ -85,16 +86,16 @@ impl InstallerInterface for NoopInstaller {
     async fn uninstall(
         &mut self,
         repo: &mut dyn InstalledRepositoryInterface,
-        package: &dyn PackageInterface,
+        package: &PackageInterfaceHandle,
     ) -> anyhow::Result<Option<PhpMixed>> {
-        if !repo.has_package(package) {
+        if !repo.has_package(package.as_rc().borrow().as_package_interface()) {
             return Err(InvalidArgumentException {
                 message: format!("Package is not installed: {}", package),
                 code: 0,
             }
             .into());
         }
-        repo.remove_package(package);
+        repo.remove_package(package.as_rc().borrow().as_package_interface());
 
         Ok(None)
     }