chore(ops): itemize the dry-run so it actually shows the plan

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

ops/deploy-lxc.sh

@@ -113,10 +113,14 @@ fi
 
 if [ -n "$DRY_RUN" ]; then
   say "Mode --dry-run : arrêt avant toute modification de la prod"
-  rsync -an --delete \
+  # -i sans quoi rsync ne dit rien du tout en mode simulation.
+  rsync -ain --delete --rsync-path="sudo rsync" \
     --exclude 'run.sh' --exclude 'entrypoint.sh' \
     --exclude 'nginx.conf' --exclude 'redis.conf' \
-    "$STAGE/" "$HOST:$REMOTE_DIR/" | head -40
+    "$STAGE/" "$HOST:$REMOTE_DIR/" | tee /tmp/homarr-deploy-plan.txt | head -30
+  echo
+  echo "$(grep -c '^\*deleting' /tmp/homarr-deploy-plan.txt) suppressions, \
+$(grep -vc '^\*deleting' /tmp/homarr-deploy-plan.txt) écritures. Plan complet : /tmp/homarr-deploy-plan.txt"
   exit 0
 fi