fix(data-process): 发布精确三路数据切分

compute/tests/test_llama_factory_adapter.py

@@ -0,0 +1,23 @@
+from __future__ import annotations
+
+from compute.engines.llama_factory.adapter import build_command
+
+
+def test_build_command_uses_explicit_validation_dataset_without_resplitting() -> None:
+    result = build_command(
+        {
+            "base_model": "/models/qwen",
+            "dataset": "ygft_dataset_train",
+            "eval_dataset": "ygft_dataset_validation",
+            "dataset_dir": "/datasets/example",
+            "output_dir": "/outputs/example",
+            "val_size": 0.1,
+        }
+    )
+
+    assert result.command[result.command.index("--dataset") + 1] == "ygft_dataset_train"
+    assert result.command[result.command.index("--eval_dataset") + 1] == (
+        "ygft_dataset_validation"
+    )
+    assert "--do_eval" in result.command
+    assert "--val_size" not in result.command