feat(driver,custom_expected_conditions): 增强显式等待, 支持自定义条件

- 引入 custom_expected_conditions 模块，允许通过字符串别名调用。
- 重构 CoreDriver，所有元素查找和操作统一调用 explicit_wait，确保日志和等待逻辑的一致性。
代码。

core/settings.py

@@ -38,3 +38,12 @@ APPIUM_SERVER = "http://127.0.0.1:4723"
 # --- 核心配置 ---
 APPIUM_HOST = "127.0.0.1"
 APPIUM_PORT = 4723
+
+# --- 设备能力配置 (Capabilities) ---
+ANDROID_CAPS = {
+    "platformName": "Android",
+    "automationName": "uiautomator2",
+    "deviceName": "Android",
+    "appPackage": "com.android.settings",
+    "appActivity": ".Settings",
+}