[桌宠 UI 与生图资产]：完成桌宠状态展示与项目内透明资产，包含 UI 状态映射、无 GUI fallback、PNG 资产生成脚本和资产校验

tests/test_ui_assets.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+import unittest
+from pathlib import Path
+
+from owner_voice_pet.assets import REQUIRED_ASSET_STATES, validate_pet_assets
+from owner_voice_pet.models import PipelineState
+from owner_voice_pet.ui import ConsolePetWindow, PetStateController, PetVisualState
+
+
+class UiAssetTests(unittest.TestCase):
+    def test_pipeline_state_maps_to_visual_state(self) -> None:
+        controller = PetStateController()
+        self.assertEqual(controller.apply_pipeline_state(PipelineState.SPEECH_DETECTING), PetVisualState.LISTENING)
+        self.assertEqual(controller.apply_pipeline_state(PipelineState.THINKING), PetVisualState.THINKING)
+        self.assertEqual(controller.apply_pipeline_state(PipelineState.ERROR_RECOVERING), PetVisualState.ERROR)
+
+    def test_console_window_fallback_records_history(self) -> None:
+        window = ConsolePetWindow()
+        self.assertEqual(window.update(PipelineState.SPEAKING), PetVisualState.SPEAKING)
+        self.assertEqual(window.history, [PetVisualState.SPEAKING])
+
+    def test_project_pet_assets_are_rgba_and_complete(self) -> None:
+        infos = validate_pet_assets(Path("assets/pet"))
+        self.assertEqual(len(infos), len(REQUIRED_ASSET_STATES))
+        self.assertTrue(all(info.width == 256 and info.height == 256 for info in infos))
+        self.assertTrue(all(info.has_transparency for info in infos))
+
+
+if __name__ == "__main__":
+    unittest.main()