match completion writes to requested artifact paths

src/clean_agent_preview.py

@@ -1374,8 +1374,6 @@ def runtime_required_artifacts(user_text, client_runtime_context):
 
 def execution_targets_required_artifact(tool_name, arguments, required_artifacts):
     """Return true only when a successful mutation names a required output."""
-    if canonical(tool_name) == 'write_file':
-        return True
     serialized = (
         arguments if isinstance(arguments, str)
         else json.dumps(arguments or {}, ensure_ascii=False)

tests/test_clean_agent_preview.py

@@ -466,6 +466,9 @@ def test_read_only_python_does_not_satisfy_required_artifact():
     assert execution_targets_required_artifact(
         'write_file', {'path': '/workspace/output.html', 'content': '<html />'}, required,
     )
+    assert not execution_targets_required_artifact(
+        'write_file', {'path': '/workspace/analyze.py', 'content': 'print(1)'}, required,
+    )
 
 
 def test_read_only_gate_blocks_mutation_and_network_shell():