feat: complete dual-seat whole-vehicle orchestration

tests/unit/test_mode_profile.py

@@ -356,6 +356,59 @@ operations:
                 [{"name": "transmittance_pct", "value": 20}],
             )
 
+    def test_delete_user_mode_removes_yaml_and_protects_presets(self) -> None:
+        with tempfile.TemporaryDirectory() as directory:
+            root = Path(directory)
+            preset_path = root / "common" / "preset" / "office.yaml"
+            preset_path.parent.mkdir(parents=True)
+            preset_path.write_text(
+                """
+id: office
+name: 办公模式
+operations:
+- domain: climate
+  capability: climate.set_temperature
+  target_scope: vehicle
+  parameters:
+    temperature_c: 24
+""".strip()
+                + "\n",
+                encoding="utf-8",
+            )
+            registry = ModeProfileRegistry(root)
+            user_profile = registry.save_mode(
+                "K歌模式",
+                [
+                    {
+                        "domain": "ambient_light",
+                        "capability": "ambient_light.set_power",
+                        "target_scope": "vehicle",
+                        "parameters": {"state": "on"},
+                    }
+                ],
+                vehicle_id="denza_n7",
+            )
+
+            public_modes = {
+                mode["id"]: mode
+                for mode in registry.public_modes(vehicle_id="denza_n7")
+            }
+            self.assertEqual(public_modes[user_profile.id]["origin"], "user")
+            self.assertTrue(public_modes[user_profile.id]["deletable"])
+            self.assertEqual(public_modes["office"]["origin"], "preset")
+            self.assertFalse(public_modes["office"]["deletable"])
+
+            deleted = registry.delete_user_mode(user_profile.id, "denza_n7")
+
+            self.assertEqual(deleted.id, user_profile.id)
+            self.assertFalse(Path(user_profile.source).exists())
+            self.assertNotIn(
+                user_profile.id,
+                {mode["id"] for mode in registry.public_modes("denza_n7")},
+            )
+            with self.assertRaises(PermissionError):
+                registry.delete_user_mode("office", "denza_n7")
+
     def test_update_mode_profile_backs_up_initial_yaml_and_restores(self) -> None:
         with tempfile.TemporaryDirectory() as directory:
             root = Path(directory)