chore: init monorepo snapshot

LightRAG/lightrag/evaluation/__init__.py

@@ -0,0 +1,25 @@
+"""
+LightRAG Evaluation Module
+
+RAGAS-based evaluation framework for assessing RAG system quality.
+
+Usage:
+    from lightrag.evaluation import RAGEvaluator
+
+    evaluator = RAGEvaluator()
+    results = await evaluator.run()
+
+Note: RAGEvaluator is imported lazily to avoid import errors
+when ragas/datasets are not installed.
+"""
+
+__all__ = ["RAGEvaluator"]
+
+
+def __getattr__(name):
+    """Lazy import to avoid dependency errors when ragas is not installed."""
+    if name == "RAGEvaluator":
+        from .eval_rag_quality import RAGEvaluator
+
+        return RAGEvaluator
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")