重构 改为标准化输出

backend/engine/cdsl_engine/__init__.py

@@ -12,6 +12,7 @@ from .rebuild import compare_with_gold, compile_cdsl_to_pack, run_cdsl_only, run
 from .semantic_validation import validate_semantic_cdsl
 from .sketch_solver import CORE_SHAPE_GENERATORS, resolve_all_sketches, resolve_required_sketches
 from .runtime import ALL_ATOMIC_IDS, EXECUTORS, RuntimeExecutionError, analyze_cdsl, rebuild_cdsl
+from .operation_contracts import materialized_feature_contracts
 
 # The package-level runtime contract is the session executor registry.  The
 # older llm_engine dispatcher remains available only for legacy engine packs.
@@ -37,6 +38,7 @@ __all__ = [
     "rebuild_cdsl",
     "analyze_cdsl",
     "RuntimeExecutionError",
+    "materialized_feature_contracts",
 ]
 
 __version__ = "1.0.0"