feat(phase-c): resolve exception-handling phase-b TODOs

* Catch specific exception types instead of broad/placeholder handling.
* Drop the shim Countable trait.

1 files changed, 2 insertions, 5 deletions

diff --git a/crates/shirabe/src/repository/installed_filesystem_repository.rs b/crates/shirabe/src/repository/installed_filesystem_repository.rs
index 1f6be2c..185749e 100644
--- a/crates/shirabe/src/repository/installed_filesystem_repository.rs
+++ b/crates/shirabe/src/repository/installed_filesystem_repository.rs
@@ -2,7 +2,6 @@
 
 use anyhow::Result;
 use indexmap::IndexMap;
-use shirabe_php_shim::Countable;
 use shirabe_semver::constraint::AnyConstraint;
 
 use crate::json::JsonFile;
@@ -97,13 +96,11 @@ impl WritableRepositoryInterface for InstalledFilesystemRepository {
     }
 }
 
-impl Countable for InstalledFilesystemRepository {
-    fn count(&self) -> i64 {
+impl RepositoryInterface for InstalledFilesystemRepository {
+    fn count(&self) -> anyhow::Result<usize> {
         todo!()
     }
-}
 
-impl RepositoryInterface for InstalledFilesystemRepository {
     fn has_package(&self, _package: PackageInterfaceHandle) -> bool {
         todo!()
     }