feat(clean): add Maven local repository cleanup support

lib/clean/maven.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+# Maven Repository Cleanup Module
+set -euo pipefail
+
+# Maven local repository cleanup.
+# Path: ~/.m2/repository
+# Note: This path is in the default whitelist. Remove from whitelist to enable cleanup.
+clean_maven_repository() {
+    local maven_repo="$HOME/.m2/repository"
+
+    # Only clean if the directory exists
+    [[ -d "$maven_repo" ]] || return 0
+
+    safe_clean "$maven_repo"/* "Maven local repository"
+}