新增完整 UI Test 回归套件，并完善启动隔离逻辑。

按模块拆分 XCUITest 用例与 Support 基础设施，UI Test 运行时跳过推送与排队 WebSocket，并将 Podfile 最低版本对齐 iOS 16。

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkanUITests/Support/SuixinkanUIApplication.swift

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+//
+//  SuixinkanUIApplication.swift
+//  suixinkanUITests
+//
+//  Created by Codex on 2026/6/26.
+//
+
+import XCTest
+
+/// 封装 XCUIApplication 的常用等待、权限弹窗和全局 Loading 处理。
+final class SuixinkanApp {
+    let application: XCUIApplication
+    private let resetState: Bool
+
+    /// 创建并配置 UI Test 启动参数的应用实例。
+    init(resetState: Bool = false) {
+        self.resetState = resetState
+        application = XCUIApplication()
+        UITestLaunchConfiguration.apply(to: application, resetState: resetState)
+    }
+
+    /// 启动 App 并等待首屏稳定。
+    @discardableResult
+    func launch(waitForLoading: Bool = true) -> Self {
+        if application.state == .runningForeground {
+            application.activate()
+        } else {
+            application.launch()
+        }
+        dismissSystemAlertsIfNeeded()
+        if waitForLoading {
+            waitForGlobalLoadingToDisappear()
+        }
+        return self
+    }
+
+    /// 等待全局 Loading 层消失。
+    func waitForGlobalLoadingToDisappear(timeout: TimeInterval = 45) {
+        let loading = application.staticTexts["加载中"]
+        guard loading.waitForExistence(timeout: 2) else { return }
+
+        let predicate = NSPredicate(format: "exists == false")
+        let expectation = XCTNSPredicateExpectation(predicate: predicate, object: loading)
+        _ = XCTWaiter.wait(for: [expectation], timeout: timeout)
+    }
+
+    /// 处理系统权限弹窗，尽量点允许以便页面继续加载。
+    func dismissSystemAlertsIfNeeded() {
+        let springboard = XCUIApplication(bundleIdentifier: "com.apple.springboard")
+        let allowButtons = ["允许", "好", "使用App时允许", "Allow", "Allow While Using App", "OK"]
+        for title in allowButtons {
+            let button = springboard.buttons[title]
+            if button.waitForExistence(timeout: 1) {
+                button.tap()
+            }
+        }
+    }
+
+    /// 判断当前是否仍在登录页。
+    var isOnLoginScreen: Bool {
+        application.staticTexts["login.title"].exists
+    }
+
+    /// 判断主 Tab 是否已出现。
+    var isOnMainTabs: Bool {
+        application.buttons["首页"].waitForExistence(timeout: 1)
+            || application.buttons["我的"].waitForExistence(timeout: 1)
+    }
+
+    /// 等待冷启动后进入登录页或主 Tab。
+    func waitForInitialScreen(timeout: TimeInterval = 45) {
+        if application.staticTexts["login.title"].waitForExistence(timeout: 2) {
+            return
+        }
+        _ = application.buttons["首页"].waitForExistence(timeout: timeout)
+            || application.buttons["我的"].waitForExistence(timeout: 2)
+    }
+}