feat(product-suite): compact controls and remember settings

tests/test_appconfig.py

@@ -32,6 +32,15 @@ class AppConfigTests(TempDirMixin, unittest.TestCase):
             self.assertEqual("title", appconfig.shopee_update_config(config)["update_mode"])
             self.assertNotIn("allow_cover_update", appconfig.shopee_update_config(config))
             self.assertEqual(1, appconfig.shopee_update_config(config)["max_parallel_accounts"])
+            self.assertEqual(
+                {
+                    "platform": "Shopee",
+                    "country": "中国台湾",
+                    "language": "繁体中文",
+                    "ratio": "1:1",
+                },
+                appconfig.product_suite_last_settings(config),
+            )
 
             updated = appconfig.update_config(
                 {"ai": {"resolution": "2k"}},
@@ -66,6 +75,66 @@ class AppConfigTests(TempDirMixin, unittest.TestCase):
 
         self.assert_removed(temp_dir)
 
+    def test_product_suite_last_settings_are_normalized_and_preserve_other_config(self):
+        with self.make_temp_dir() as temp_dir:
+            config_path = os.path.join(temp_dir, "config.json")
+            with open(config_path, "w", encoding="utf-8") as fh:
+                json.dump(
+                    {
+                        "chrome_path": "custom-chrome.exe",
+                        "custom_section": {"keep": True},
+                        "product_suite": {
+                            "last_settings": {
+                                "platform": "未知平台",
+                                "country": "新加坡",
+                                "language": "英文",
+                                "ratio": "2:3",
+                                "unexpected": "ignore",
+                            }
+                        },
+                    },
+                    fh,
+                    ensure_ascii=False,
+                )
+
+            loaded = appconfig.load_config(config_path)
+
+            self.assertEqual(
+                {
+                    "platform": "Shopee",
+                    "country": "新加坡",
+                    "language": "英文",
+                    "ratio": "1:1",
+                },
+                appconfig.product_suite_last_settings(loaded),
+            )
+
+            updated = appconfig.update_config(
+                {
+                    "product_suite": {
+                        "last_settings": {
+                            "platform": "Amazon",
+                            "country": "中国台湾",
+                            "language": "繁体中文",
+                            "ratio": "16:9",
+                        }
+                    }
+                },
+                path=config_path,
+            )
+
+            self.assertEqual("custom-chrome.exe", updated["chrome_path"])
+            self.assertEqual({"keep": True}, updated["custom_section"])
+            self.assertEqual("16:9", appconfig.product_suite_last_settings(updated)["ratio"])
+            with open(config_path, "r", encoding="utf-8") as fh:
+                persisted = json.load(fh)
+            self.assertEqual(
+                {"platform", "country", "language", "ratio"},
+                set(persisted["product_suite"]["last_settings"]),
+            )
+
+        self.assert_removed(temp_dir)
+
     def test_shopee_update_legacy_parallel_config_is_migrated(self):
         with self.make_temp_dir() as temp_dir:
             config_path = os.path.join(temp_dir, "config.json")