Migrate Schemes utility class to correct package

For symmetry with Builders, Shms, Syntaxes.

Author: ctrueden

CLAUDE.md

@@ -99,7 +99,7 @@ The project uses Java's ServiceLoader mechanism for extensibility, with utility
   - `findFactoryForWrapping(envDir)` - Detect builder for existing environment
   - Factories cached and sorted by priority
 
-- **Schemes** (`org.apposed.appose.util.Schemes`) - Configuration file format detection
+- **Schemes** (`org.apposed.appose.scheme.Schemes`) - Configuration file format detection
   - `fromFilename(filename)` - Detect scheme from filename (e.g., "pixi.toml" → PixiTomlScheme)
   - `fromContent(content)` - Detect scheme from file contents
   - `fromName(name)` - Get scheme by name (e.g., "pixi-toml")

src/main/java/org/apposed/appose/Scheme.java

@@ -29,6 +29,8 @@
 
 package org.apposed.appose;
 
+import org.apposed.appose.scheme.Schemes;
+
 /**
  * Represents a configuration file scheme for environment builders.
  * <p>
@@ -37,7 +39,7 @@
  * </p>
  * <p>
  * Implementations are discovered at runtime and managed by the
- * {@link org.apposed.appose.util.Schemes} utility class.
+ * {@link Schemes} utility class.
  * </p>
  *
  * @author Curtis Rueden

src/main/java/org/apposed/appose/builder/BaseBuilder.java

@@ -34,7 +34,7 @@
 import org.apposed.appose.Scheme;
 import org.apposed.appose.util.Environments;
 import org.apposed.appose.util.FilePaths;
-import org.apposed.appose.util.Schemes;
+import org.apposed.appose.scheme.Schemes;
 
 import java.io.File;
 import java.io.IOException;

src/main/java/org/apposed/appose/builder/MambaBuilder.java

@@ -32,7 +32,7 @@
 import org.apposed.appose.Builder;
 import org.apposed.appose.Environment;
 import org.apposed.appose.util.FilePaths;
-import org.apposed.appose.util.Schemes;
+import org.apposed.appose.scheme.Schemes;
 
 import java.io.File;
 import java.io.IOException;

src/main/java/org/apposed/appose/builder/PixiBuilder.java

@@ -32,7 +32,7 @@
 import org.apposed.appose.Builder;
 import org.apposed.appose.Environment;
 import org.apposed.appose.util.FilePaths;
-import org.apposed.appose.util.Schemes;
+import org.apposed.appose.scheme.Schemes;
 
 import java.io.File;
 import java.io.IOException;

src/main/java/org/apposed/appose/builder/UvBuilder.java

@@ -33,7 +33,7 @@
 import org.apposed.appose.Environment;
 import org.apposed.appose.util.FilePaths;
 import org.apposed.appose.util.Platforms;
-import org.apposed.appose.util.Schemes;
+import org.apposed.appose.scheme.Schemes;
 
 import java.io.File;
 import java.io.IOException;

…ava/org/apposed/appose/util/Schemes.java …a/org/apposed/appose/scheme/Schemes.javasrc/main/java/org/apposed/appose/util/Schemes.java renamed to src/main/java/org/apposed/appose/scheme/Schemes.java src/main/java/org/apposed/appose/util/Schemes.java renamed to src/main/java/org/apposed/appose/scheme/Schemes.java

@@ -27,9 +27,10 @@
  * #L%
  */
 
-package org.apposed.appose.util;
+package org.apposed.appose.scheme;
 
 import org.apposed.appose.Scheme;
+import org.apposed.appose.util.Plugins;
 
 import java.util.List;