fix: kill Prezenta app.py before renaming folder in migrate_to_wmt playbook

ansible/playbooks/migrate_to_wmt.yml

@@ -94,7 +94,16 @@
       debug:
         msg: "{{ wayfire_check.stdout }}"
 
-    # ── 7. Rename Prezenta → Prezenta_Old_Data ────────────────────────────
+    # ── 7. Kill any running Prezenta app.py before renaming ──────────────
+    - name: Kill any process running from Prezenta app.py
+      shell: pkill -f "Desktop/Prezenta/app.py" || true
+      changed_when: false
+
+    - name: Wait a moment for the process to terminate
+      wait_for:
+        timeout: 3
+
+    # ── 8. Rename Prezenta → Prezenta_Old_Data ─────────────────────────── #
     - name: Check if Prezenta folder exists
       stat:
         path: /home/pi/Desktop/Prezenta
@@ -116,7 +125,7 @@
         msg: "⚠ Prezenta_Old_Data already exists — rename skipped to avoid overwrite."
       when: prezenta_old_stat.stat.exists
 
-    # ── 8. Reboot ─────────────────────────────────────────────────────────
+    # ── 9. Reboot ─────────────────────────────────────────────────────────
     - name: Reboot host to apply all changes
       become: true
       reboot: