refactor(crates): split metadata-minifier and spdx-licenses into own crates

Move MetadataMinifier and SpdxLicenses out of shirabe-external-packages
into dedicated shirabe-metadata-minifier and shirabe-spdx-licenses
crates, updating all import sites accordingly.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

1 files changed, 0 insertions, 38 deletions

diff --git a/crates/shirabe-external-packages/src/composer/metadata_minifier/metadata_minifier.rs b/crates/shirabe-external-packages/src/composer/metadata_minifier/metadata_minifier.rs
deleted file mode 100644
index 3f1a4fc..0000000
--- a/crates/shirabe-external-packages/src/composer/metadata_minifier/metadata_minifier.rs
+++ /dev/null
@@ -1,38 +0,0 @@
-//! ref: composer/vendor/composer/metadata-minifier/src/MetadataMinifier.php
-
-use indexmap::IndexMap;
-use shirabe_php_shim::PhpMixed;
-
-#[derive(Debug)]
-pub struct MetadataMinifier;
-
-impl MetadataMinifier {
-    pub fn expand(versions: Vec<IndexMap<String, PhpMixed>>) -> Vec<IndexMap<String, PhpMixed>> {
-        let mut expanded: Vec<IndexMap<String, PhpMixed>> = Vec::new();
-        let mut expanded_version: Option<IndexMap<String, PhpMixed>> = None;
-        for version_data in versions {
-            if expanded_version.as_ref().is_none_or(|ev| ev.is_empty()) {
-                expanded.push(version_data.clone());
-                expanded_version = Some(version_data);
-                continue;
-            }
-
-            // add any changes from the previous version to the expanded one
-            let ev = expanded_version.as_mut().unwrap();
-            for (key, val) in version_data {
-                if matches!(&val, PhpMixed::String(s) if s == "__unset") {
-                    ev.shift_remove(&key);
-                } else {
-                    ev.insert(key, val);
-                }
-            }
-
-            expanded.push(ev.clone());
-        }
-
-        expanded
-    }
-
-    // MetadataMinifier::minify() is not ported because it is not used in Composer itself.
-    // The function is mainly for package repositories.
-}