chore: import upstream snapshot with attribution

code_review_graph/eval/__init__.py

@@ -0,0 +1,33 @@
+"""Evaluation framework for code-review-graph.
+
+Provides scoring metrics (token efficiency, MRR, precision/recall),
+benchmark runners, and report generators for benchmarking graph-based code reviews.
+"""
+
+from __future__ import annotations
+
+from .reporter import generate_full_report, generate_markdown_report, generate_readme_tables
+from .scorer import compute_mrr, compute_precision_recall, compute_token_efficiency
+
+
+def __getattr__(name: str):
+    """Lazy-import runner functions (require pyyaml)."""
+    _runner_names = {"load_all_configs", "load_config", "run_eval", "write_csv"}
+    if name in _runner_names:
+        from . import runner
+        return getattr(runner, name)
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
+
+
+__all__ = [
+    "compute_mrr",
+    "compute_precision_recall",
+    "compute_token_efficiency",
+    "generate_full_report",
+    "generate_markdown_report",
+    "generate_readme_tables",
+    "load_all_configs",
+    "load_config",
+    "run_eval",
+    "write_csv",
+]