fix(repository): run lazy initialization in count/has_package

PHP's ArrayRepository::count()/hasPackage() call $this->initialize(),
which late-binds to the concrete repository class and lazily loads its
packages. The Rust pass-throughs skipped that: they ran ArrayRepository's
stub initialize instead, returning 0/false and marking the repository
initialized with an empty package list, which made ensure_initialized()
skip the real initialization forever after.

Take &mut self in RepositoryInterface::count/has_package so the lazy
repositories (Filesystem, Platform, Composer) can guard with their real
initialize, and return Result from has_package since that initialization
can fail (PHP propagates the exception). InstallerInterface::is_installed
and InstallationManager::is_package_installed/mark_alias_installed
propagate the same way, which also resolves the TODO(phase-d) markers on
Package/Path/Artifact/Vcs repositories about initialization errors being
swallowed.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

3 files changed, 30 insertions, 18 deletions

diff --git a/crates/shirabe/tests/installer/installation_manager_test.rs b/crates/shirabe/tests/installer/installation_manager_test.rs
index 3f18e925..6cc231f5 100644
--- a/crates/shirabe/tests/installer/installation_manager_test.rs
+++ b/crates/shirabe/tests/installer/installation_manager_test.rs
@@ -75,10 +75,10 @@ impl InstallerInterface for MockInstaller {
 
     fn is_installed(
         &self,
-        _repo: &dyn InstalledRepositoryInterface,
+        _repo: &mut dyn InstalledRepositoryInterface,
         _package: PackageInterfaceHandle,
-    ) -> bool {
-        false
+    ) -> anyhow::Result<bool> {
+        Ok(false)
     }
 
     async fn download(
@@ -175,10 +175,10 @@ impl InstallerInterface for BinaryInstaller {
 
     fn is_installed(
         &self,
-        _repo: &dyn InstalledRepositoryInterface,
+        _repo: &mut dyn InstalledRepositoryInterface,
         _package: PackageInterfaceHandle,
-    ) -> bool {
-        false
+    ) -> anyhow::Result<bool> {
+        Ok(false)
     }
 
     async fn download(
diff --git a/crates/shirabe/tests/installer/library_installer_test.rs b/crates/shirabe/tests/installer/library_installer_test.rs
index 8a063941..baa4f13a 100644
--- a/crates/shirabe/tests/installer/library_installer_test.rs
+++ b/crates/shirabe/tests/installer/library_installer_test.rs
@@ -200,19 +200,31 @@ fn test_is_installed() {
     let package = get_package("test/pkg", "1.0.0");
 
     let mut repository = InstalledArrayRepository::new().unwrap();
-    assert!(!library.is_installed(&repository, package.clone()));
+    assert!(
+        !library
+            .is_installed(&mut repository, package.clone())
+            .unwrap()
+    );
 
     // package being in repo is not enough to be installed
     repository.add_package(package.clone()).unwrap();
-    assert!(!library.is_installed(&repository, package.clone()));
+    assert!(
+        !library
+            .is_installed(&mut repository, package.clone())
+            .unwrap()
+    );
 
     // package being in repo and vendor/pkg/foo dir present means it is seen as installed
     let pkg_dir = format!("{}/{}", setup.vendor_dir, package.get_pretty_name());
     fs::create_dir_all(&pkg_dir).unwrap();
-    assert!(library.is_installed(&repository, package.clone()));
+    assert!(
+        library
+            .is_installed(&mut repository, package.clone())
+            .unwrap()
+    );
 
     repository.remove_package(package.clone()).unwrap();
-    assert!(!library.is_installed(&repository, package));
+    assert!(!library.is_installed(&mut repository, package).unwrap());
 
     tear_down(&mut setup);
 }
@@ -249,7 +261,7 @@ fn test_install() {
     .unwrap();
 
     // PHP asserts repository->addPackage was called once with $package.
-    assert!(repository.has_package(package));
+    assert!(repository.has_package(package).unwrap());
 
     assert!(
         std::path::Path::new(&setup.vendor_dir).exists(),
@@ -317,8 +329,8 @@ fn test_update() {
     );
     assert!(!std::path::Path::new(&old_target_dir).exists());
 
-    assert!(!repository.has_package(initial.clone()));
-    assert!(repository.has_package(target.clone()));
+    assert!(!repository.has_package(initial.clone()).unwrap());
+    assert!(repository.has_package(target.clone()).unwrap());
 
     assert!(
         std::path::Path::new(&setup.vendor_dir).exists(),
@@ -379,7 +391,7 @@ fn test_uninstall() {
     ))
     .unwrap();
 
-    assert!(!repository.has_package(package.clone()));
+    assert!(!repository.has_package(package.clone()).unwrap());
 
     // Uninstalling again, with the package no longer installed, fails.
     assert!(
diff --git a/crates/shirabe/tests/installer/metapackage_installer_test.rs b/crates/shirabe/tests/installer/metapackage_installer_test.rs
index 86013871..b87fdebd 100644
--- a/crates/shirabe/tests/installer/metapackage_installer_test.rs
+++ b/crates/shirabe/tests/installer/metapackage_installer_test.rs
@@ -30,7 +30,7 @@ fn test_install() {
     ))
     .unwrap();
 
-    assert!(repository.has_package(package));
+    assert!(repository.has_package(package).unwrap());
 }
 
 #[test]
@@ -50,8 +50,8 @@ fn test_update() {
     ))
     .unwrap();
 
-    assert!(!repository.has_package(initial.clone()));
-    assert!(repository.has_package(target.clone()));
+    assert!(!repository.has_package(initial.clone()).unwrap());
+    assert!(repository.has_package(target.clone()).unwrap());
 
     // Updating again, with the initial package no longer installed, fails.
     assert!(
@@ -81,7 +81,7 @@ fn test_uninstall() {
     ))
     .unwrap();
 
-    assert!(!repository.has_package(package.clone()));
+    assert!(!repository.has_package(package.clone()).unwrap());
 
     // Uninstalling again, with the package no longer installed, fails.
     assert!(