fix uda values

src/taskwarrior/services/uda_service.py

@@ -69,7 +69,8 @@ def define_uda(self, uda: UdaConfig) -> None:
         for field_name in field_names:
             value = getattr(uda, field_name)
             if value is not None and value != "":
-                commands.append(["config", f"uda.{uda.name}.{field_name}", str(value)])
+                value_str = ",".join(map(str, value)) if field_name == "values" else str(value)
+                commands.append(["config", f"uda.{uda.name}.{field_name}", value_str])
 
         # Execute commands via adapter; if any fail, raise and do not modify registry
         for cmd in commands:

tests/unit/test_uda_values.py

@@ -0,0 +1,48 @@
+import types
+
+from taskwarrior.dto.uda_dto import UdaConfig, UdaType
+from taskwarrior.services.uda_service import UdaService
+
+
+def test_define_uda_with_list_values():
+    calls = []
+
+    class DummyAdapter:
+        def run_task_command(self, cmd):
+            # record the command and simulate success
+            calls.append(cmd)
+            return types.SimpleNamespace(returncode=0, stdout="", stderr="")
+
+    class DummyConfigStore:
+        pass
+
+    uda = UdaConfig(name="complexity", uda_type=UdaType.STRING, values=["low", "medium", "high"], label="Complexity level")
+    svc = UdaService(DummyAdapter(), DummyConfigStore())
+    svc.define_uda(uda)
+
+    # Type command must be present
+    assert ["config", "uda.complexity.type", uda.uda_type.value] in calls
+
+    # Values list should be converted to comma-separated string
+    assert ["config", "uda.complexity.values", "low,medium,high"] in calls
+
+
+def test_define_uda_with_int_values():
+    calls = []
+
+    class DummyAdapter:
+        def run_task_command(self, cmd):
+            calls.append(cmd)
+            return types.SimpleNamespace(returncode=0, stdout="", stderr="")
+
+    class DummyConfigStore:
+        pass
+
+    # values provided as ints should be stringified and joined
+    # construct without validation to simulate non-str inputs
+    uda = UdaConfig.model_construct(name="score", uda_type=UdaType.NUMERIC, values=[1, 2, 3], label="Score levels")
+    svc = UdaService(DummyAdapter(), DummyConfigStore())
+    svc.define_uda(uda)
+
+    assert ["config", "uda.score.type", uda.uda_type.value] in calls
+    assert ["config", "uda.score.values", "1,2,3"] in calls