fix(repository): flatten InstalledRepository and unwrap filter repos in show

flattenRepositories must recurse into InstalledRepository (which extends
CompositeRepository in PHP) and ShowCommand must unwrap FilterRepository
when categorizing repos. Without this, installed/locked/platform packages
all fell through to the "available" bucket, dropping the version column
and per-section grouping. Un-ignores 10 show_command tests.

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

2 files changed, 10 insertions, 1 deletions

diff --git a/crates/shirabe/src/command/show_command.rs b/crates/shirabe/src/command/show_command.rs
index 6e777a1..4f7403d 100644
--- a/crates/shirabe/src/command/show_command.rs
+++ b/crates/shirabe/src/command/show_command.rs
@@ -862,7 +862,7 @@ impl Command for ShowCommand {
             input.borrow_mut().set_option("path", PhpMixed::Bool(false));
         }
 
-        for repo in RepositoryUtils::flatten_repositories(repos.clone(), false) {
+        for repo in RepositoryUtils::flatten_repositories(repos.clone(), true) {
             let r#type = if Self::same_repository(&repo, &platform_repo) {
                 "platform"
             } else if locked_repo
diff --git a/crates/shirabe/src/repository/repository_utils.rs b/crates/shirabe/src/repository/repository_utils.rs
index 40cb4d2..c2997f3 100644
--- a/crates/shirabe/src/repository/repository_utils.rs
+++ b/crates/shirabe/src/repository/repository_utils.rs
@@ -3,6 +3,7 @@
 use crate::package::Link;
 use crate::repository::CompositeRepository;
 use crate::repository::FilterRepository;
+use crate::repository::InstalledRepository;
 use crate::repository::RepositoryInterfaceHandle;
 use indexmap::IndexMap;
 
@@ -57,11 +58,19 @@ impl RepositoryUtils {
             repo
         };
 
+        // PHP `InstalledRepository extends CompositeRepository`, so it must flatten too. The Rust
+        // port embeds the CompositeRepository instead of inheriting it, so the downcast is tried
+        // explicitly here.
         let nested = {
             let r = repo.borrow();
             r.as_any()
                 .downcast_ref::<CompositeRepository>()
                 .map(|composite_repo| composite_repo.get_repositories().clone())
+                .or_else(|| {
+                    r.as_any()
+                        .downcast_ref::<InstalledRepository>()
+                        .map(|installed_repo| installed_repo.get_repositories().clone())
+                })
         };
         if let Some(nested) = nested {
             let mut repos = Vec::new();