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

Move `Symfony\Component\String` out of shirabe-external-packages and into
its own crate, so the path is `shirabe_symfony_string::ByteString`
instead of `shirabe_external_packages::symfony::string::ByteString`.

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

12 files changed, 24 insertions, 5 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 7c7f2b53..e9ce73bf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2133,6 +2133,7 @@ dependencies = [
  "shirabe-pcre",
  "shirabe-php-shim",
  "shirabe-semver",
+ "shirabe-symfony-string",
 ]
 
 [[package]]
@@ -2214,6 +2215,13 @@ dependencies = [
 ]
 
 [[package]]
+name = "shirabe-symfony-string"
+version = "0.0.1"
+dependencies = [
+ "shirabe-php-shim",
+]
+
+[[package]]
 name = "shlex"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.toml b/Cargo.toml
index 1da42453..d304b273 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,6 +17,7 @@ shirabe-php-shim = { path = "crates/shirabe-php-shim" }
 shirabe-php-src = { path = "crates/shirabe-php-src" }
 shirabe-semver = { path = "crates/shirabe-semver" }
 shirabe-spdx-licenses = { path = "crates/shirabe-spdx-licenses" }
+shirabe-symfony-string = { path = "crates/shirabe-symfony-string" }
 anyhow = "1.0.102"
 async-trait = "0.1.89"
 base64 = "0.22.1"
diff --git a/crates/shirabe-external-packages/Cargo.toml b/crates/shirabe-external-packages/Cargo.toml
index 331efcb7..c1e70046 100644
--- a/crates/shirabe-external-packages/Cargo.toml
+++ b/crates/shirabe-external-packages/Cargo.toml
@@ -7,6 +7,7 @@ edition.workspace = true
 shirabe-pcre.workspace = true
 shirabe-php-shim.workspace = true
 shirabe-semver.workspace = true
+shirabe-symfony-string.workspace = true
 anyhow.workspace = true
 chrono.workspace = true
 indexmap.workspace = true
diff --git a/crates/shirabe-external-packages/src/symfony.rs b/crates/shirabe-external-packages/src/symfony.rs
index 9c572b26..e0d9e4fe 100644
--- a/crates/shirabe-external-packages/src/symfony.rs
+++ b/crates/shirabe-external-packages/src/symfony.rs
@@ -2,4 +2,3 @@ pub mod console;
 pub mod filesystem;
 pub mod finder;
 pub mod process;
-pub mod string;
diff --git a/crates/shirabe-external-packages/src/symfony/console/formatter/output_formatter.rs b/crates/shirabe-external-packages/src/symfony/console/formatter/output_formatter.rs
index a0562aef..08079a7c 100644
--- a/crates/shirabe-external-packages/src/symfony/console/formatter/output_formatter.rs
+++ b/crates/shirabe-external-packages/src/symfony/console/formatter/output_formatter.rs
@@ -6,8 +6,8 @@ use crate::symfony::console::formatter::output_formatter_style::OutputFormatterS
 use crate::symfony::console::formatter::output_formatter_style_interface::OutputFormatterStyleInterface;
 use crate::symfony::console::formatter::output_formatter_style_stack::OutputFormatterStyleStack;
 use crate::symfony::console::formatter::wrappable_output_formatter_interface::WrappableOutputFormatterInterface;
-use crate::symfony::string::b;
 use shirabe_php_shim::php_regex;
+use shirabe_symfony_string::b;
 
 /// Formatter class for console output.
 #[derive(Debug)]
diff --git a/crates/shirabe-external-packages/src/symfony/console/helper/helper.rs b/crates/shirabe-external-packages/src/symfony/console/helper/helper.rs
index 20103df8..471a8d8a 100644
--- a/crates/shirabe-external-packages/src/symfony/console/helper/helper.rs
+++ b/crates/shirabe-external-packages/src/symfony/console/helper/helper.rs
@@ -2,8 +2,8 @@
 
 use crate::symfony::console::formatter::output_formatter_interface::OutputFormatterInterface;
 use crate::symfony::console::helper::helper_set::HelperSet;
-use crate::symfony::string::unicode_string::UnicodeString;
 use shirabe_php_shim::php_regex;
+use shirabe_symfony_string::unicode_string::UnicodeString;
 
 /// Helper is the base class for all helper classes.
 #[derive(Debug, Default)]
diff --git a/crates/shirabe-external-packages/src/symfony/console/helper/question_helper.rs b/crates/shirabe-external-packages/src/symfony/console/helper/question_helper.rs
index 8ec8d15c..91fb5bf0 100644
--- a/crates/shirabe-external-packages/src/symfony/console/helper/question_helper.rs
+++ b/crates/shirabe-external-packages/src/symfony/console/helper/question_helper.rs
@@ -18,8 +18,8 @@ use crate::symfony::console::output::output_interface::OutputInterface;
 use crate::symfony::console::question::ChoiceQuestion;
 use crate::symfony::console::question::QuestionInterface;
 use crate::symfony::console::terminal::Terminal;
-use crate::symfony::string::s;
 use shirabe_php_shim::PhpMixed;
+use shirabe_symfony_string::s;
 
 /// The QuestionHelper class provides helpers to interact with the user.
 #[derive(Debug, Default)]
diff --git a/crates/shirabe-symfony-string/Cargo.toml b/crates/shirabe-symfony-string/Cargo.toml
new file mode 100644
index 00000000..110118e7
--- /dev/null
+++ b/crates/shirabe-symfony-string/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "shirabe-symfony-string"
+version.workspace = true
+edition.workspace = true
+
+[dependencies]
+shirabe-php-shim.workspace = true
+
+[lints]
+workspace = true
diff --git a/crates/shirabe-external-packages/src/symfony/string/byte_string.rs b/crates/shirabe-symfony-string/src/byte_string.rs
index 8ad183e3..cf597bbf 100644
--- a/crates/shirabe-external-packages/src/symfony/string/byte_string.rs
+++ b/crates/shirabe-symfony-string/src/byte_string.rs
@@ -1,6 +1,6 @@
 //! ref: composer/vendor/symfony/string/ByteString.php
 
-use crate::symfony::string::code_point_string::CodePointString;
+use crate::code_point_string::CodePointString;
 
 #[derive(Debug, Clone)]
 pub struct ByteString {
diff --git a/crates/shirabe-external-packages/src/symfony/string/code_point_string.rs b/crates/shirabe-symfony-string/src/code_point_string.rs
index dcbaa1f6..dcbaa1f6 100644
--- a/crates/shirabe-external-packages/src/symfony/string/code_point_string.rs
+++ b/crates/shirabe-symfony-string/src/code_point_string.rs
diff --git a/crates/shirabe-external-packages/src/symfony/string.rs b/crates/shirabe-symfony-string/src/lib.rs
index 139d726f..139d726f 100644
--- a/crates/shirabe-external-packages/src/symfony/string.rs
+++ b/crates/shirabe-symfony-string/src/lib.rs
diff --git a/crates/shirabe-external-packages/src/symfony/string/unicode_string.rs b/crates/shirabe-symfony-string/src/unicode_string.rs
index 9048f77b..9048f77b 100644
--- a/crates/shirabe-external-packages/src/symfony/string/unicode_string.rs
+++ b/crates/shirabe-symfony-string/src/unicode_string.rs