feat(install): add InstallConfig, platform warnings, and download progress

Replace positional boolean parameters in install_from_lock with a
structured InstallConfig. Add platform requirement warnings, download
progress display, classmap-authoritative autoloader support, and
prefer-source detection across install/update/require/remove commands.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

1 files changed, 12 insertions, 4 deletions

diff --git a/crates/mozart/src/autoload.rs b/crates/mozart/src/autoload.rs
index 38c00d5..d4421a6 100644
--- a/crates/mozart/src/autoload.rs
+++ b/crates/mozart/src/autoload.rs
@@ -20,6 +20,8 @@ pub struct AutoloadConfig {
     /// Unique suffix for the autoloader class names (typically the lock file content-hash).
     /// Used to generate `ComposerAutoloaderInit{suffix}` and `ComposerStaticInit{suffix}`.
     pub suffix: String,
+    /// When true, emit `$loader->setClassMapAuthoritative(true)` in the generated autoloader.
+    pub classmap_authoritative: bool,
 }
 
 /// Collected autoload mappings from all packages.
@@ -427,7 +429,7 @@ fn generate_autoload_static(static_data: &AutoloadData, suffix: &str) -> String
 }
 
 /// Generate `vendor/composer/autoload_real.php`.
-fn generate_autoload_real(suffix: &str, has_files: bool) -> String {
+fn generate_autoload_real(suffix: &str, has_files: bool, classmap_authoritative: bool) -> String {
     let mut out = String::new();
     out.push_str("<?php\n\n");
     out.push_str("// autoload_real.php @generated by Composer\n\n");
@@ -463,6 +465,10 @@ fn generate_autoload_real(suffix: &str, has_files: bool) -> String {
     ));
     out.push_str("        $loader->register(true);\n");
 
+    if classmap_authoritative {
+        out.push_str("        $loader->setClassMapAuthoritative(true);\n");
+    }
+
     if has_files {
         out.push('\n');
         out.push_str(&format!(
@@ -690,7 +696,7 @@ pub fn generate(config: &AutoloadConfig) -> anyhow::Result<()> {
     )?;
     std::fs::write(
         composer_dir.join("autoload_real.php"),
-        generate_autoload_real(&config.suffix, has_files),
+        generate_autoload_real(&config.suffix, has_files, config.classmap_authoritative),
     )?;
     std::fs::write(
         config.vendor_dir.join("autoload.php"),
@@ -1022,7 +1028,7 @@ mod tests {
 
     #[test]
     fn test_generate_autoload_real_with_files() {
-        let output = generate_autoload_real("abc123", true);
+        let output = generate_autoload_real("abc123", true, false);
         assert!(output.contains("class ComposerAutoloaderInitabc123"));
         assert!(output.contains("ComposerStaticInitabc123::$files"));
         assert!(output.contains("$requireFile"));
@@ -1031,7 +1037,7 @@ mod tests {
 
     #[test]
     fn test_generate_autoload_real_without_files() {
-        let output = generate_autoload_real("abc123", false);
+        let output = generate_autoload_real("abc123", false, false);
         assert!(output.contains("class ComposerAutoloaderInitabc123"));
         assert!(!output.contains("$filesToLoad"));
         assert!(!output.contains("__composer_autoload_files"));
@@ -1104,6 +1110,7 @@ mod tests {
             vendor_dir: vendor_dir.clone(),
             dev_mode: false,
             suffix: "abc123def456".to_string(),
+            classmap_authoritative: false,
         };
 
         generate(&config).unwrap();
@@ -1199,6 +1206,7 @@ mod tests {
             vendor_dir: vendor_dir.clone(),
             dev_mode: false,
             suffix: "test".to_string(),
+            classmap_authoritative: false,
         };
 
         generate(&config).unwrap();