ModelTranslator: Quit/RunRizomUV 走超时通道防挂死 + _call 分支单测（审查修复）

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Tools/ModelTranslator/tests/test_rizom_unwrap.py

@@ -1,5 +1,6 @@
 import os
 import sys
+import time
 import unittest
 from unittest import mock
 
@@ -35,5 +36,19 @@ class TestFindRizomuv(unittest.TestCase):
         self.assertTrue(os.path.isfile(p), "注册表返回值应是真实 exe：%s" % p)
 
 
+class TestCall(unittest.TestCase):
+    def test_timeout_raises(self):
+        with self.assertRaises(ru.RizomError) as cm:
+            ru._call("Slow", lambda p: time.sleep(1.0), None, timeout=0.05)
+        self.assertIn("超时", str(cm.exception))
+
+    def test_error_dict_raises(self):
+        with self.assertRaises(ru.RizomError):
+            ru._call("Bad", lambda p: {"Error": {"Msg": "x", "Code": 1}}, {})
+
+    def test_normal_dict_passes_through(self):
+        self.assertEqual(ru._call("Ok", lambda p: {"Data": 1}, {}), {"Data": 1})
+
+
 if __name__ == "__main__":
     unittest.main()