feat: implement empty Library directory cleanup and Android NDK version check.

tests/scripts.bats

@@ -71,3 +71,10 @@ setup() {
     run bash -c "grep -q 'write_raycast_script' '$PROJECT_ROOT/scripts/setup-quick-launchers.sh'"
     [ "$status" -eq 0 ]
 }
+
+@test "install.sh supports dev branch installs" {
+    run bash -c "grep -q 'refs/heads/dev.tar.gz' '$PROJECT_ROOT/install.sh'"
+    [ "$status" -eq 0 ]
+    run bash -c "grep -q 'MOLE_VERSION=\"dev\"' '$PROJECT_ROOT/install.sh'"
+    [ "$status" -eq 0 ]
+}

tests/tmp-clean-home.AKSUWT/.m2/repository/org/example/lib.jar

@@ -1 +0,0 @@
-dependency

tests/tmp-clean-home.AKSUWT/bin/tmutil

@@ -1,19 +0,0 @@
-#!/bin/bash
-if [[ "$1" == "status" ]]; then
-    cat << 'TMUTIL_OUTPUT'
-Backup session status:
-{
-    ClientID = "com.apple.backupd";
-    Running = 1;
-}
-TMUTIL_OUTPUT
-elif [[ "$1" == "destinationinfo" ]]; then
-    cat << 'DEST_OUTPUT'
-====================================================
-Name          : TestBackup
-Kind          : Local
-Mount Point   : /Volumes/TestBackup
-ID            : 12345678-1234-1234-1234-123456789012
-====================================================
-DEST_OUTPUT
-fi

tests/user_clean_core.bats

@@ -102,3 +102,19 @@ EOF
 
     [ "$status" -eq 0 ]
 }
+
+@test "clean_empty_library_items only cleans empty dirs" {
+    run env HOME="$HOME" PROJECT_ROOT="$PROJECT_ROOT" /bin/bash --noprofile --norc <<'EOF'
+set -euo pipefail
+source "$PROJECT_ROOT/lib/core/common.sh"
+source "$PROJECT_ROOT/lib/clean/user.sh"
+safe_clean() { echo "$2"; }
+mkdir -p "$HOME/Library/EmptyDir"
+touch "$HOME/Library/empty.txt"
+clean_empty_library_items
+EOF
+
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"Empty Library folders"* ]]
+    [[ "$output" != *"Empty Library files"* ]]
+}