fix(show-command): un-ignore 10 tests by fixing show-warnings typing and repo bugs

Replace the PhpMixed-based `$showWarnings` hack in VersionSelector::
findBestCandidate with a typed ShowWarnings enum (Always / Predicate),
letting ShowCommand::findLatestPackage pass its real closure instead of
hardcoding `true`. Fix the --no-dev branch in ShowCommand::execute,
which built `repos` from an empty package list instead of sharing the
same InstalledRepository as `installed_repo`. Pass repository handles
instead of pre-borrowed `&dyn RepositoryInterface` refs into get_package/
generate_package_tree/add_tree to stop a RefCell double-borrow panic on
--all/--locked. Add the missing CompletePackage/RootPackage
set_release_date setter so the outdated sorting-by-age test can set
fixture dates. Resolve OutputFormatterStyleStack::pop's empty-style
todo!() via clone_box(), and fix FileDownloader's cache-GC log call to
pass the VERY_VERBOSE verbosity PHP uses.

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

1 files changed, 5 insertions, 4 deletions

diff --git a/crates/shirabe/src/downloader/file_downloader.rs b/crates/shirabe/src/downloader/file_downloader.rs
index cbf008c4..aaa3995a 100644
--- a/crates/shirabe/src/downloader/file_downloader.rs
+++ b/crates/shirabe/src/downloader/file_downloader.rs
@@ -126,10 +126,11 @@ impl FileDownloader {
         if let Some(cache) = &this.cache
             && cache.borrow().gc_is_necessary()
         {
-            // PHP: writeError('Running cache garbage collection', true, io_interface::VERY_VERBOSE)
-            this.io
-                .borrow()
-                .write_error("Running cache garbage collection");
+            this.io.borrow().write_error3(
+                "Running cache garbage collection",
+                true,
+                crate::io::io_interface::VERY_VERBOSE,
+            );
             let ttl = this
                 .config
                 .borrow_mut()