fix(ci): validate image digests and isolate test outputs

.gitea/workflows/deploy-lib.sh

@@ -827,12 +827,13 @@ stage_verify_k8s() {
 # actually be running.
 verify_compose_stack() {
   local cf="$1"
-  local expected running missing=()
+  local expected running svc missing=() service_count=0
   expected="$(compose "$cf" config --format json | jq -r ' .services | to_entries[] | select(.value.restart != "no") | .key' | sort)" || return 1
   running="$(compose "$cf" ps --status running --services | sort)" || return 1
   [ -n "$expected" ] || return 0
   while IFS= read -r svc; do
     [ -n "$svc" ] || continue
+    service_count=$((service_count + 1))
     # restart:"no" services are allowed to have exited.
     if ! printf '%s\n' "$running" | grep -qx "$svc"; then
       missing+=("$svc")
@@ -843,7 +844,7 @@ verify_compose_stack() {
     compose "$cf" ps --all 2>/dev/null | sed 's/^/    /' || true
     return 1
   fi
-  echo "  all ${#expected} service(s) running"
+  echo "  all $service_count service(s) running"
   return 0
 }