refactor(symfony-process): extract symfony/process into the shirabe-symfony-process crate

Move `Symfony\Component\Process` out of shirabe-external-packages and
into its own crate, so the path is `shirabe_symfony_process::Process`
instead of `shirabe_external_packages::symfony::process::Process`.

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

1 files changed, 20 insertions, 0 deletions

diff --git a/crates/shirabe-symfony-process/src/exception/runtime_exception.rs b/crates/shirabe-symfony-process/src/exception/runtime_exception.rs
new file mode 100644
index 00000000..e9cc31e0
--- /dev/null
+++ b/crates/shirabe-symfony-process/src/exception/runtime_exception.rs
@@ -0,0 +1,20 @@
+//! ref: composer/vendor/symfony/process/Exception/RuntimeException.php
+
+#[derive(Debug)]
+pub struct RuntimeException {
+    inner: shirabe_php_shim::RuntimeException,
+}
+
+impl RuntimeException {
+    pub fn new(message: String) -> Self {
+        Self {
+            inner: shirabe_php_shim::RuntimeException::new(message),
+        }
+    }
+}
+
+shirabe_php_shim::impl_php_exception!(
+    RuntimeException,
+    inner,
+    r"Symfony\Component\Process\Exception\RuntimeException"
+);