refactor(composer): represent composer via trait-based handlesrefactor/composer-handles

Replace the PartialComposer/Composer structs and the single
Rc<RefCell<PartialOrFullComposer>> enum with PartialComposer and
Composer traits (Composer: PartialComposer), InnerPartialComposer /
InnerFullComposer data structs, and the handle types FullComposerHandle
(impl Composer) and AnyComposerHandle (polymorphic enum, impl
PartialComposer), plus their weak variants.

Factory builds the full and partial graphs via separate Rc::new_cyclic
branches that share a build_composer_base helper. Call sites now use
trait methods that encapsulate borrowing instead of borrow_partial() /
composer_full*().

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/crates/shirabe/src/command/diagnose_command.rs b/crates/shirabe/src/command/diagnose_command.rs
index c64fc39..a75e8c0 100644
--- a/crates/shirabe/src/command/diagnose_command.rs
+++ b/crates/shirabe/src/command/diagnose_command.rs
@@ -21,7 +21,7 @@ use shirabe_php_shim::{
 use crate::advisory::Auditor;
 use crate::command::{BaseCommand, BaseCommandData, HasBaseCommandData};
 use crate::composer;
-use crate::composer::ComposerHandle;
+use crate::composer::{Composer, PartialComposer};
 use crate::config::Config;
 use crate::downloader::TransportException;
 use crate::factory::Factory;
@@ -248,7 +248,7 @@ impl DiagnoseCommand {
         ));
 
         if let Some(ref mut c) = composer {
-            let mut c = crate::command::composer_full_mut(c);
+            let c = crate::command::composer_full(c);
             io.write(&format!(
                 "Active plugins: {}",
                 implode(