fix: harden deployment discovery and preflight

src/main/unraid-inventory-methods.cjs

@@ -36,7 +36,11 @@ function createUnraidInventoryMethods({
     disappeared=0
     while IFS= read -r container_id; do
       [ -n "$container_id" ] || continue
-      if inspect=$(docker inspect --format '{"id":{{json .Id}},"name":{{json .Name}},"image":{{json .Config.Image}},"imageId":{{json .Image}},"running":{{json .State.Running}},"status":{{json .State.Status}},"health":{{if .State.Health}}{{json .State.Health.Status}}{{else}}null{{end}},"labels":{{json .Config.Labels}},"ports":{{json .NetworkSettings.Ports}},"mounts":{{json .Mounts}},"networks":{{json .NetworkSettings.Networks}},"restartPolicy":{{json .HostConfig.RestartPolicy.Name}}}' "$container_id" 2>/dev/null); then
+      # Use Docker's own JSON document instead of a Go template. Accessing an
+      # absent .State.Health map key makes the formatted Docker inspect fail for
+      # every container without a healthcheck, which previously made those
+      # containers look as if they disappeared during the scan.
+      if inspect=$(docker inspect "$container_id" 2>/dev/null); then
         printf 'C\\t%s\\n' "$(printf '%s' "$inspect" | base64 | tr -d '\\r\\n')"
       else
         disappeared=$((disappeared + 1))