chore(wip): code generation

Author: uwzm

frost_sta_client/odata_codegen/generator.py

@@ -1237,12 +1237,13 @@ def snake(name: str) -> str:
     lines.append("")
 
     # __all__
-    exported.extend(list(model.get("entity_sets", {}).keys()))
+    # __all__ - export only classes/complex types plus helper mapping
     lines.append("__all__ = [")
-    for name in sorted(set(exported)):
+    for name in sorted(set(exported + ["ENTITY_SETS"])):
         lines.append(f"    '{name}',")
     lines.append("]")
     lines.append("")
+    lines.append("")
 
     # Also write a package __init__.py so that `import <output-dir> as model` works as in README.
     init_path = os.path.join(out_dir, "__init__.py")