refactor(semver): change ConstraintInterface to a closed enum

Replace the dyn ConstraintInterface trait objects with an AnyConstraint
enum closing over its four implementors (Simple, Multi, MatchAll,
MatchNone), mirroring the earlier Rule enum conversion. Rename
constraint.rs to simple_constraint.rs to match the renamed Constraint
type.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/crates/shirabe-semver/src/semver.rs b/crates/shirabe-semver/src/semver.rs
index 62f50b6..2314069 100644
--- a/crates/shirabe-semver/src/semver.rs
+++ b/crates/shirabe-semver/src/semver.rs
@@ -3,7 +3,8 @@
 use std::sync::OnceLock;
 
 use crate::comparator::Comparator;
-use crate::constraint::Constraint;
+use crate::constraint::AnyConstraint;
+use crate::constraint::SimpleConstraint;
 use crate::version_parser::VersionParser;
 
 pub struct Semver;
@@ -19,7 +20,12 @@ impl Semver {
 
     pub fn satisfies(version: String, constraints: String) -> anyhow::Result<bool> {
         let version_parser = Self::version_parser();
-        let provider = Constraint::new("==".to_string(), version_parser.normalize(&version, None)?);
+        let provider = SimpleConstraint::new(
+            "==".to_string(),
+            version_parser.normalize(&version, None)?,
+            None,
+        )
+        .into();
         let parsed_constraints = version_parser.parse_constraints(&constraints)?;
         Ok(parsed_constraints.matches(&provider))
     }