fix(input): thread a typed InputValue through the input layer

Options and arguments were stored and passed as PhpMixed even though
Symfony only ever puts a string, a bool, a list of strings or null in
one. get_option already narrowed to InputOptionValue at the boundary;
this widens that enum into InputValue and pushes it through
InputInterface, InputOption/InputArgument defaults, the Input storage,
ArgvInput/ArrayInput/StringInput/CompletionInput, Command::add_option
and add_argument, and the Composer-side wrappers.

Two neighbouring string|int unions get types of their own:
InputDefinition::{get_argument,has_argument} take an ArgumentName, and
ArrayInput keys its parameters by ParameterName. has_parameter_option
and get_parameter_option take the values they look for as &[&str],
which is what PHP's `(array) $values` cast produced anyway.

Two behaviours change along the way. Input::set_option on a negated
option now negates with PHP's loose bool cast rather than treating a
non-bool as false, matching `!$value`. ArrayInput::parse now resolves
an integer key to an argument position instead of looking up an
argument literally named "0".

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

5 files changed, 38 insertions, 33 deletions

diff --git a/crates/shirabe-symfony-console/src/command/command.rs b/crates/shirabe-symfony-console/src/command/command.rs
index 27966ec1..3fd39bc4 100644
--- a/crates/shirabe-symfony-console/src/command/command.rs
+++ b/crates/shirabe-symfony-console/src/command/command.rs
@@ -9,6 +9,7 @@ use crate::input::InputArgument;
 use crate::input::InputDefinition;
 use crate::input::InputInterface;
 use crate::input::InputOption;
+use crate::input::InputValue;
 use crate::output::OutputInterface;
 use indexmap::IndexMap;
 use shirabe_php_shim::{PhpMixed, php_regex, preg_is_match};
@@ -148,7 +149,7 @@ impl CommandData {
         name: &str,
         mode: Option<i64>,
         description: &str,
-        default: PhpMixed,
+        default: InputValue,
     ) -> anyhow::Result<&Self> {
         self.definition
             .borrow_mut()
@@ -178,10 +179,10 @@ impl CommandData {
     pub fn add_option(
         &self,
         name: &str,
-        shortcut: PhpMixed,
+        shortcut: Option<&str>,
         mode: Option<i64>,
         description: &str,
-        default: PhpMixed,
+        default: InputValue,
     ) -> anyhow::Result<&Self> {
         self.definition
             .borrow_mut()
@@ -189,7 +190,7 @@ impl CommandData {
             .unwrap()
             .add_option(InputOption::new(
                 name,
-                shortcut.clone(),
+                shortcut,
                 mode,
                 description.to_string(),
                 default.clone(),
@@ -403,12 +404,12 @@ pub trait Command: std::fmt::Debug + shirabe_php_shim::AsAny + shirabe_php_shim:
         // It would fail the validation if we didn't make sure the command argument is present,
         // since it's required by the application.
         if input.borrow().has_argument("command")
-            && matches!(input.borrow().get_argument("command")?, PhpMixed::Null)
+            && input.borrow().get_argument("command")?.is_null()
         {
             let name = self.get_name();
             input
                 .borrow_mut()
-                .set_argument("command", PhpMixed::from(name))?;
+                .set_argument("command", InputValue::from(name))?;
         }
 
         input.borrow_mut().validate()?;
diff --git a/crates/shirabe-symfony-console/src/command/complete_command.rs b/crates/shirabe-symfony-console/src/command/complete_command.rs
index 432888b6..2f540f42 100644
--- a/crates/shirabe-symfony-console/src/command/complete_command.rs
+++ b/crates/shirabe-symfony-console/src/command/complete_command.rs
@@ -7,6 +7,7 @@ use crate::completion::CompletionOutputInterface;
 use crate::completion::{CompletionSuggestions, StringOrSuggestion};
 use crate::input::InputInterface;
 use crate::input::InputOption;
+use crate::input::InputValue;
 use crate::output::OutputInterface;
 use indexmap::IndexMap;
 use shirabe_php_shim::{PhpMixed, impl_php_class};
@@ -191,31 +192,31 @@ impl Command for CompleteCommand {
         self.inner
             .add_option(
                 "shell",
-                PhpMixed::from("s".to_string()),
+                Some("s"),
                 Some(InputOption::VALUE_REQUIRED),
                 &format!("The shell type (\"{}\")", shells),
-                PhpMixed::Null,
+                InputValue::Null,
             )?
             .add_option(
                 "input",
-                PhpMixed::from("i".to_string()),
+                Some("i"),
                 Some(InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY),
                 "An array of input tokens (e.g. COMP_WORDS or argv)",
-                PhpMixed::Null,
+                InputValue::Null,
             )?
             .add_option(
                 "current",
-                PhpMixed::from("c".to_string()),
+                Some("c"),
                 Some(InputOption::VALUE_REQUIRED),
                 "The index of the \"input\" array that the cursor is in (e.g. COMP_CWORD)",
-                PhpMixed::Null,
+                InputValue::Null,
             )?
             .add_option(
                 "symfony",
-                PhpMixed::from("S".to_string()),
+                Some("S"),
                 Some(InputOption::VALUE_REQUIRED),
                 "The version of the completion script",
-                PhpMixed::Null,
+                InputValue::Null,
             )?;
 
         Ok(())
diff --git a/crates/shirabe-symfony-console/src/command/dump_completion_command.rs b/crates/shirabe-symfony-console/src/command/dump_completion_command.rs
index 4db6c233..49a66f6d 100644
--- a/crates/shirabe-symfony-console/src/command/dump_completion_command.rs
+++ b/crates/shirabe-symfony-console/src/command/dump_completion_command.rs
@@ -6,6 +6,7 @@ use crate::completion::{CompletionSuggestions, StringOrSuggestion};
 use crate::input::InputArgument;
 use crate::input::InputInterface;
 use crate::input::InputOption;
+use crate::input::InputValue;
 use crate::output::OutputInterface;
 use crate::output::output_interface;
 use shirabe_php_shim::{PhpMixed, impl_php_class};
@@ -189,14 +190,14 @@ impl Command for DumpCompletionCommand {
             "shell",
             Some(InputArgument::OPTIONAL),
             "The shell type (e.g. \"bash\"), the value of the \"$SHELL\" env var will be used if this is not given",
-            PhpMixed::Null,
+            InputValue::Null,
         )?;
         self.inner.add_option(
             "debug",
-            PhpMixed::Null,
+            None,
             Some(InputOption::VALUE_NONE),
             "Tail the completion debug log",
-            PhpMixed::Null,
+            InputValue::Null,
         )?;
 
         Ok(())
diff --git a/crates/shirabe-symfony-console/src/command/help_command.rs b/crates/shirabe-symfony-console/src/command/help_command.rs
index 2081e0e1..4d8f7dbd 100644
--- a/crates/shirabe-symfony-console/src/command/help_command.rs
+++ b/crates/shirabe-symfony-console/src/command/help_command.rs
@@ -10,8 +10,9 @@ use crate::input::DefinitionItem;
 use crate::input::InputArgument;
 use crate::input::InputInterface;
 use crate::input::InputOption;
+use crate::input::InputValue;
 use crate::output::OutputInterface;
-use shirabe_php_shim::{PhpMixed, impl_php_class};
+use shirabe_php_shim::impl_php_class;
 use std::ops::{Deref, DerefMut};
 
 /// HelpCommand displays the help for a given command.
@@ -101,21 +102,21 @@ impl Command for HelpCommand {
                 "command_name".to_string(),
                 Some(InputArgument::OPTIONAL),
                 "The command name".to_string(),
-                PhpMixed::from("help".to_string()),
+                InputValue::from("help".to_string()),
             )?),
             DefinitionItem::InputOption(InputOption::new(
                 "format",
-                PhpMixed::Null,
+                None,
                 Some(InputOption::VALUE_REQUIRED),
                 "The output format (txt, xml, json, or md)".to_string(),
-                PhpMixed::from("txt".to_string()),
+                InputValue::from("txt".to_string()),
             )?),
             DefinitionItem::InputOption(InputOption::new(
                 "raw",
-                PhpMixed::Null,
+                None,
                 Some(InputOption::VALUE_NONE),
                 "To output raw command help".to_string(),
-                PhpMixed::Null,
+                InputValue::Null,
             )?),
         ]));
         self.inner.set_description("Display help for a command");
@@ -141,7 +142,7 @@ impl Command for HelpCommand {
     ) -> anyhow::Result<i64> {
         if self.command.borrow().is_none() {
             let application = self.get_application().unwrap();
-            let command_name = input.borrow().get_argument("command_name")?.to_string();
+            let command_name = input.borrow().get_argument("command_name")?.to_php_string();
             let found = application.borrow_mut().find(&command_name)?;
             *self.command.borrow_mut() = Some(found);
         }
diff --git a/crates/shirabe-symfony-console/src/command/list_command.rs b/crates/shirabe-symfony-console/src/command/list_command.rs
index 6074b49a..08faea71 100644
--- a/crates/shirabe-symfony-console/src/command/list_command.rs
+++ b/crates/shirabe-symfony-console/src/command/list_command.rs
@@ -10,8 +10,9 @@ use crate::input::DefinitionItem;
 use crate::input::InputArgument;
 use crate::input::InputInterface;
 use crate::input::InputOption;
+use crate::input::InputValue;
 use crate::output::OutputInterface;
-use shirabe_php_shim::{PhpMixed, impl_php_class};
+use shirabe_php_shim::impl_php_class;
 use std::ops::{Deref, DerefMut};
 
 /// ListCommand displays the list of all available commands for the application.
@@ -93,28 +94,28 @@ impl Command for ListCommand {
                 "namespace".to_string(),
                 Some(InputArgument::OPTIONAL),
                 "The namespace name".to_string(),
-                PhpMixed::Null,
+                InputValue::Null,
             )?),
             DefinitionItem::InputOption(InputOption::new(
                 "raw",
-                PhpMixed::Null,
+                None,
                 Some(InputOption::VALUE_NONE),
                 "To output raw command list".to_string(),
-                PhpMixed::Null,
+                InputValue::Null,
             )?),
             DefinitionItem::InputOption(InputOption::new(
                 "format",
-                PhpMixed::Null,
+                None,
                 Some(InputOption::VALUE_REQUIRED),
                 "The output format (txt, xml, json, or md)".to_string(),
-                PhpMixed::from("txt".to_string()),
+                InputValue::from("txt".to_string()),
             )?),
             DefinitionItem::InputOption(InputOption::new(
                 "short",
-                PhpMixed::Null,
+                None,
                 Some(InputOption::VALUE_NONE),
                 "To skip describing commands' arguments".to_string(),
-                PhpMixed::Null,
+                InputValue::Null,
             )?),
         ]));
         self.inner.set_description("List commands");
@@ -157,7 +158,7 @@ impl Command for ListCommand {
         );
         options.insert(
             "namespace".to_string(),
-            input.borrow().get_argument("namespace")?,
+            input.borrow().get_argument("namespace")?.into(),
         );
         options.insert(
             "short".to_string(),