refactor(seld-signal): extract seld/signal into the shirabe-seld-signal crate

Move `Seld\Signal` out of shirabe-external-packages and into its own
crate, so the path is `shirabe_seld_signal::SignalHandler` instead of
`shirabe_external_packages::seld::signal::SignalHandler`.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/crates/shirabe/src/command/create_project_command.rs b/crates/shirabe/src/command/create_project_command.rs
index a0a4aa2e..e8f7d187 100644
--- a/crates/shirabe/src/command/create_project_command.rs
+++ b/crates/shirabe/src/command/create_project_command.rs
@@ -36,7 +36,6 @@ use crate::util::Filesystem;
 use crate::util::Platform;
 use crate::util::ProcessExecutor;
 use indexmap::IndexMap;
-use shirabe_external_packages::seld::signal::SignalHandler;
 use shirabe_pcre::{CaptureKey, Preg};
 use shirabe_php_shim::Catch as _;
 use shirabe_php_shim::{
@@ -44,6 +43,7 @@ use shirabe_php_shim::{
     chdir, explode_with_limit, file_exists, getcwd, impl_php_class, implode, is_dir, is_file,
     mkdir, realpath, rtrim, strtolower, unlink,
 };
+use shirabe_seld_signal::SignalHandler;
 use shirabe_symfony_console::command::command::Command;
 use shirabe_symfony_console::input::InputInterface;
 use shirabe_symfony_console::output::OutputInterface;