Set a default session and use it in case it crashes

tasks/main.yml

@@ -11,7 +11,16 @@
     owner: "{{ ansible_user }}"
     mode: "0644"
 
-- name: Use tmux as default shell
+- name: Use tmux as default shell and attach to existing session
   ansible.builtin.lineinfile:
     path: /root/.bashrc
-    line: 'case $- in *i*) [ -z "$TMUX" ] && exec tmux;; esac'
+    line: |
+      case $- in
+        *i*) 
+          if command -v tmux &>/dev/null; then
+            if [ -z "$TMUX" ]; then
+              tmux attach-session -t default || tmux new-session -s default
+            fi
+          fi
+          ;;
+      esac