diff --git a/.github/scripts/codegen-check.sh b/.github/scripts/codegen-check.sh
index 3f27ae3..6bf43e0 100644
--- a/.github/scripts/codegen-check.sh
+++ b/.github/scripts/codegen-check.sh
@@ -8,6 +8,7 @@
 # requirements.txt pins installed — no editable install of the SDK source tree.
 #
 # Requires `tx3c` and `python` on PATH.
+# Last verified against fleet v0.12.0 (unified Tx3ClientBuilder).
 set -euo pipefail
 
 repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
@@ -25,10 +26,14 @@ done
 
 for sym in \
   'TARGET_TII_VERSION' \
-  'PROFILES' \
   'TRANSFER_TIR' \
   'class TransferParams' \
-  'class Client'; do
+  'class Client' \
+  'class Profile(str, Enum)' \
+  '_LOCAL_PROFILE' \
+  '_PREPROD_PROFILE' \
+  'Tx3ClientBuilder.from_parts' \
+  'with_party_unchecked'; do
   grep -qF "$sym" "$gen/__init__.py" || { echo "generated __init__.py missing: $sym"; exit 1; }
 done
 
@@ -44,7 +49,7 @@ module = importlib.util.module_from_spec(spec)
 sys.modules[spec.name] = module
 spec.loader.exec_module(module)
 assert module.TARGET_TII_VERSION == 'v1beta0', module.TARGET_TII_VERSION
-assert set(module.PROFILES) == {'local', 'preprod'}, module.PROFILES
+assert {p.value for p in module.Profile} == {'local', 'preprod'}, list(module.Profile)
 assert module.TRANSFER_TIR.version == 'v1beta0'
 assert module.TransferParams(quantity=1).quantity == 1
 print('generated module imported OK')