Initial template import

tools/validate.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env sh
+set -eu
+
+log() {
+  printf '%s\n' "$1"
+}
+
+log "Checking required files"
+REQUIRED_PATHS="enterprise/enterprise.index.json packages"
+for path in $REQUIRED_PATHS; do
+  if [ ! -e "$path" ]; then
+    log "Missing required path: $path"
+    exit 1
+  fi
+done
+
+log "Validating XML assets when xmllint is available"
+if command -v xmllint >/dev/null 2>&1; then
+  find . -type f \( -name '*.bpmn' -o -name '*.dmn' -o -name '*.cmmn' \) -print0 |
+    xargs -0 -r -n1 xmllint --noout
+else
+  log "xmllint not installed; skipping XML validation"
+fi
+
+log "Validation complete"