refactor: migrate to role-based variable management and blockinfile config

roles/dotfiles/tasks/main.yml

@@ -7,17 +7,15 @@
     state: present
 
 - name: Remove existing config files before stowing
-  shell: |
-    [ -L ~/.config/hypr/hyprland.conf ] || rm -f ~/.config/hypr/hyprland.conf
-    [ -L ~/.config/starship ] || rm -rf ~/.config/starship
-    [ -L ~/.config/zellij ] || rm -rf ~/.config/zellij
-  changed_when: false
+  file:
+    path: "{{ archsetup_user_home }}/.config/{{ item }}"
+    state: absent
+  loop:
+    - hypr
+    - zellij
 
 - name: Create symlinks with stow
-  shell: |
-    cd {{ lookup('env', 'HOME') }}/archsetup/dotfiles
-    stow -t ~ hypr starship zellij
+  command: stow --target={{ archsetup_user_home }} {{ dotfiles_stow_packages | join(' ') }}
   args:
-    executable: /bin/bash
-    creates: "{{ lookup('env', 'HOME') }}/.config/starship"
-    chdir: "{{ lookup('env', 'HOME') }}/archsetup/dotfiles"
+    creates: "{{ archsetup_user_home }}/.config/hypr"
+    chdir: "{{ archsetup_dir }}/dotfiles"