fix: Correct import test in CI

- Import from commands.subs.build directly, not from commands.subs

Author: bitshifterr

.github/workflows/minimal-check.yml

@@ -34,7 +34,7 @@ jobs:
         pip install -r tools/requirements.txt
         
         # Verify installation
-        python -c "from commands.subs import build; print('Import successful')"
+        python -c "from commands.subs.build import build; print('Import successful')"
         
         # Run tests
         black . --check