fix: avoid forwarding root-level VASP inputs

Coding-Agent: Codex
Codex-Version: codex-cli 0.149.0
Model: gpt-5.6-sol
Reasoning-Effort: xhigh

Author: njzjz-bot

dpgen/auto_test/VASP.py

@@ -239,13 +239,12 @@ def forward_files(self, property_type="relaxation"):
         return ["INCAR", "POSCAR", "KPOINTS", "POTCAR"]
 
     def forward_common_files(self, property_type="relaxation"):
-        potcar_not_link_list = ["vacancy", "interstitial"]
-        if property_type == "elastic":
-            return ["INCAR", "KPOINTS", "POTCAR"]
-        elif property_type in potcar_not_link_list:
-            return ["INCAR"]
-        else:
-            return ["INCAR", "POTCAR"]
+        """Return files shared from the submission's top-level work directory.
+
+        VASP inputs are generated inside each property directory and forwarded
+        through :meth:`forward_files`; none of them live at the submission root.
+        """
+        return []
 
     def backward_files(self, property_type="relaxation"):
         return ["OUTCAR", "outlog", "CONTCAR", "OSZICAR", "XDATCAR"]

tests/auto_test/test_vasp.py

@@ -160,3 +160,19 @@ def compare_dict(dict1, dict2):
     def test_backward_files(self):
         backward_files = ["OUTCAR", "outlog", "CONTCAR", "OSZICAR", "XDATCAR"]
         self.assertEqual(self.VASP.backward_files(), backward_files)
+
+    def test_forward_files(self):
+        self.assertEqual(
+            ["INCAR", "POSCAR", "KPOINTS", "POTCAR"], self.VASP.forward_files()
+        )
+
+    def test_forward_common_files(self):
+        """Task-local VASP inputs must not be uploaded from the work root."""
+        for property_type in [
+            "relaxation",
+            "elastic",
+            "vacancy",
+            "interstitial",
+        ]:
+            with self.subTest(property_type=property_type):
+                self.assertEqual([], self.VASP.forward_common_files(property_type))