diff --git a/packages/install.sh b/packages/install.sh
new file mode 100644
index 0000000..5cef29c
--- /dev/null
+++ b/packages/install.sh
@@ -0,0 +1,131 @@
+#!/bin/bash
+# packages/install.sh - Module to install package lists
+
+set -euo pipefail
+
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 <dotfiles_directory>"
+    exit 1
+fi
+
+dotfiles_dir="$1"
+# Source shared utilities
+source "$dotfiles_dir/scripts/utils.sh"
+
+# Detect package manager
+detect_package_manager() {
+    if command_exists apt; then
+        echo "apt"
+    elif command_exists yum; then
+        echo "yum"
+    elif command_exists dnf; then
+        echo "dnf"
+    elif command_exists pacman; then
+        echo "pacman"
+    elif command_exists brew; then
+        echo "brew"
+    else
+        echo "unknown"
+    fi
+}
+
+# Install packages with detected package manager
+install_packages() {
+    local package_manager="$1"
+    shift
+    local packages=("$@")
+    
+    if [ ${#packages[@]} -eq 0 ]; then
+        log_info "No packages to install"
+        return 0
+    fi
+    
+    case "$package_manager" in
+        apt)
+            log_info "Installing packages with apt..."
+            sudo apt update && sudo apt install -y "${packages[@]}"
+            ;;
+        yum)
+            log_info "Installing packages with yum..."
+            sudo yum install -y "${packages[@]}"
+            ;;
+        dnf)
+            log_info "Installing packages with dnf..."
+            sudo dnf install -y "${packages[@]}"
+            ;;
+        pacman)
+            log_info "Installing packages with pacman..."
+            sudo pacman -S --noconfirm "${packages[@]}"
+            ;;
+        brew)
+            log_info "Installing packages with brew..."
+            brew install "${packages[@]}"
+            ;;
+        *)
+            log_error "Unknown package manager. Please install packages manually."
+            return 1
+            ;;
+    esac
+}
+
+# Read packages from file
+read_package_file() {
+    local file="$1"
+    if [ -f "$file" ]; then
+        grep -v '^#' "$file" | grep -v '^[[:space:]]*$' | tr '\n' ' '
+    fi
+}
+
+# Loop through package lists and install
+def install_package_lists() {
+    local dotfiles_dir="$1"
+    local packages_dir="$dotfiles_dir/packages"
+    
+    if [ ! -d "$packages_dir" ]; then
+        log_warning "No packages directory found at $packages_dir"
+        return 0
+    fi
+    
+    local package_manager
+    package_manager=$(detect_package_manager)
+    
+    if [ "$package_manager" = "unknown" ]; then
+        log_error "No supported package manager found"
+        return 1
+    fi
+    
+    log_info "Detected package manager: $package_manager"
+    
+    # Define package group order
+    local package_files=("base.txt" "cli-tools.txt" "dev.txt" "gui.txt")
+    
+    for package_file in "${package_files[@]}"; do
+        local file_path="$packages_dir/$package_file"
+        if [ -f "$file_path" ]; then
+            # Prompt per group
+            if is_interactive; then
+                read -rp "Install packages from $package_file? [y/N] " answer
+                if [[ ! $answer =~ ^[Yy] ]]; then
+                    log_info "Skipping $package_file"
+                    continue
+                fi
+            fi
+            log_info "Installing packages from $package_file..."
+            local packages
+            packages=$(read_package_file "$file_path")
+            
+            if [ -n "$packages" ]; then
+                read -ra package_array <<< "$packages"
+                install_packages "$package_manager" "${package_array[@]}"
+                log_success "Completed installation from $package_file"
+            else
+                log_info "No packages found in $package_file"
+            fi
+        else
+            log_info "Package file $package_file not found, skipping"
+        fi
+    done
+}
+
+# Execute when run directly
+install_package_lists "$dotfiles_dir"
diff --git a/scripts/30-install-packages.sh b/scripts/30-install-packages.sh
index 3670279..a0502d6 100644
--- a/scripts/30-install-packages.sh
+++ b/scripts/30-install-packages.sh
@@ -5,121 +5,21 @@ set -euo pipefail
 
 # Source utilities
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-source "$SCRIPT_DIR/utils.sh"
+...existing code...
 
-# Detect package manager
-detect_package_manager() {
-    if command_exists apt; then
-        echo "apt"
-    elif command_exists yum; then
-        echo "yum"
-    elif command_exists dnf; then
-        echo "dnf"
-    elif command_exists pacman; then
-        echo "pacman"
-    elif command_exists brew; then
-        echo "brew"
-    else
-        echo "unknown"
-    fi
-}
-
-# Install packages with detected package manager
-install_packages() {
-    local package_manager="$1"
-    shift
-    local packages=("$@")
-    
-    if [ ${#packages[@]} -eq 0 ]; then
-        log_info "No packages to install"
-        return 0
-    fi
-    
-    case "$package_manager" in
-        apt)
-            log_info "Installing packages with apt..."
-            sudo apt update && sudo apt install -y "${packages[@]}"
-            ;;
-        yum)
-            log_info "Installing packages with yum..."
-            sudo yum install -y "${packages[@]}"
-            ;;
-        dnf)
-            log_info "Installing packages with dnf..."
-            sudo dnf install -y "${packages[@]}"
-            ;;
-        pacman)
-            log_info "Installing packages with pacman..."
-            sudo pacman -S --noconfirm "${packages[@]}"
-            ;;
-        brew)
-            log_info "Installing packages with brew..."
-            brew install "${packages[@]}"
-            ;;
-        *)
-            log_error "Unknown package manager. Please install packages manually."
-            return 1
-            ;;
-    esac
-}
-
-# Read packages from file
-read_package_file() {
-    local file="$1"
-    if [ -f "$file" ]; then
-        # Filter out comments and empty lines
-        grep -v '^#' "$file" | grep -v '^[[:space:]]*$' | tr '\n' ' '
-    fi
-}
-
-install_package_lists() {
-    local dotfiles_dir="$1"
-    local packages_dir="$dotfiles_dir/packages"
-    
-    if [ ! -d "$packages_dir" ]; then
-        log_warning "No packages directory found at $packages_dir"
-        return 0
-    fi
-    
-    local package_manager
-    package_manager=$(detect_package_manager)
-    
-    if [ "$package_manager" = "unknown" ]; then
-        log_error "No supported package manager found"
-        return 1
-    fi
-    
-    log_info "Detected package manager: $package_manager"
-    
-    # Install package lists in order
-    local package_files=("base.txt" "cli-tools.txt" "dev.txt" "gui.txt")
-    
-    for package_file in "${package_files[@]}"; do
-        local file_path="$packages_dir/$package_file"
-        if [ -f "$file_path" ]; then
-            log_info "Installing packages from $package_file..."
-            local packages
-            packages=$(read_package_file "$file_path")
-            
-            if [ -n "$packages" ]; then
-                # Convert space-separated string to array
-                read -ra package_array <<< "$packages"
-                install_packages "$package_manager" "${package_array[@]}"
-                log_success "Completed installation from $package_file"
-            else
-                log_info "No packages found in $package_file"
-            fi
-        else
-            log_info "Package file $package_file not found, skipping"
-        fi
-    done
-}
-
-# Run if called directly
+# Run module when called directly
 if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
     if [ $# -ne 1 ]; then
         log_error "Usage: $0 <dotfiles_directory>"
         exit 1
     fi
-    install_package_lists "$1"
+    dotfiles_dir="$1"
+    module_script="$dotfiles_dir/packages/install.sh"
+
+    if [ ! -x "$module_script" ]; then
+        log_error "Module script not found or not executable: $module_script"
+        exit 1
+    fi
+    bash "$module_script" "$dotfiles_dir"
 fi
+...existing code...