fix: add backward-compatible fallbacks for spec script renames

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: Nathan Gillett

scripts/check-no-handwritten-model-types.sh

@@ -19,9 +19,14 @@ if [[ -z "${spec_root}" ]]; then
   fi
 fi
 
-if [[ -z "${spec_root}" || ! -f "${spec_root}/scripts/check-sdk-no-handwritten-model-types.sh" ]]; then
+if [[ -z "${spec_root}" ]]; then
   echo "check-no-handwritten-model-types: intentproof-spec checkout not found (set INTENTPROOF_SPEC_ROOT or clone ../intentproof-spec)" >&2
   exit 1
 fi
 
+if [[ -f "${spec_root}/scripts/check-consumer-no-handwritten-model-types.sh" ]]; then
+  exec bash "${spec_root}/scripts/check-consumer-no-handwritten-model-types.sh" "${sdk_root}"
+fi
+
+# Backward compatibility for older pinned spec commits (pre-consumer script rename).
 exec bash "${spec_root}/scripts/check-sdk-no-handwritten-model-types.sh" "${sdk_root}"