The macOS wrapper starts the container service itself when it is down (from dev 685ce778cf34)

doc/install/klammertext.zsh

@@ -7,8 +7,10 @@
 #
 # Then open a new terminal and use `ktext`, `kdesc`, `kdiag` like normal
 # commands.  Requires Apple Silicon + macOS 26 or later, with Apple's
-# `container` runtime installed and its service started (`container system
-# start`).  Install `container` from the signed .pkg at
+# `container` runtime installed and its service started once by hand
+# (`container system start`, which sets up its kernel the first time); after
+# that the wrapper starts the service itself whenever it is down, as it is
+# after every restart.  Install `container` from the signed .pkg at
 # https://github.com/apple/container/releases (NOT Homebrew).  See
 # doc/install/macos_container_install.md for the full guide.
 # -----------------------------------------------------------------------------
@@ -17,8 +19,18 @@
 # native arm64 build, so no --platform / --rosetta is needed.
 KLAMMERTEXT_IMAGE="${KLAMMERTEXT_IMAGE:-akopra/klammertext:latest}"
 
+# The container service does not survive a restart, and without it every
+# command fails with a connection error.  So start it when it is down
+# (`container system status` exits 1 then) before anything needs it.
+_klammertext_service() {
+  container system status >/dev/null 2>&1 \
+    || container system start >/dev/null 2>&1 \
+    || { echo "klammertext: the container service did not start; run \`container system start\` to see why" >&2; return 1; }
+}
+
 _klammertext_run() {
   local cmd="$1"; shift
+  _klammertext_service || return 1
   container run --rm \
     -v "$PWD:/work" -w /work \
     "$KLAMMERTEXT_IMAGE" "$cmd" "$@"
@@ -33,6 +45,7 @@ kdiag() { _klammertext_run kdiag "$@"; }
 # Download or update to the latest published image (delete first so the moving
 # `latest` tag is definitely refreshed).
 klammertext-update() {
+  _klammertext_service || return 1
   container image delete "$KLAMMERTEXT_IMAGE" 2>/dev/null
   container image pull "$KLAMMERTEXT_IMAGE"
 }