优化 UI Test 路由直达与会话复用，提升自定义 TabBar 下的稳定性。

新增启动参数直达首页与个人中心页面，引入 AppUITestRouteDriver 与 UITestSession 共享登录，并重构各模块用例的导航断言逻辑。

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

suixinkanUITests/Support/UITestSession.swift

@@ -0,0 +1,69 @@
+//
+//  UITestSession.swift
+//  suixinkanUITests
+//
+//  Created by Codex on 2026/6/26.
+//
+
+import XCTest
+
+/// 全套件共享的已登录 App 会话，避免每个测试类重复冷启动登录。
+enum UITestSession {
+    private static var sharedApp: SuixinkanApp?
+
+    /// 获取或创建已登录 App 实例。
+    static func app(file: StaticString = #filePath, line: UInt = #line) throws -> SuixinkanApp {
+        if let sharedApp {
+            if sharedApp.application.state != .runningForeground {
+                sharedApp.launch()
+            }
+            return sharedApp
+        }
+
+        let launched = try UITestAuthenticatedSession.launchLoggedIn(file: file, line: line)
+        sharedApp = launched
+        return launched
+    }
+
+    /// 以指定首页菜单直达参数重启 App，并复用 Keychain 登录态。
+    @discardableResult
+    static func relaunch(
+        openMenu menuTitle: String,
+        file: StaticString = #filePath,
+        line: UInt = #line
+    ) throws -> SuixinkanApp {
+        sharedApp?.application.terminate()
+
+        let relaunched = try UITestAuthenticatedSession.launchLoggedIn(
+            openMenuTitle: menuTitle,
+            file: file,
+            line: line
+        )
+        sharedApp = relaunched
+        return relaunched
+    }
+
+    /// 以指定个人中心路由直达参数重启 App，并复用 Keychain 登录态。
+    @discardableResult
+    static func relaunch(
+        openProfile route: String,
+        file: StaticString = #filePath,
+        line: UInt = #line
+    ) throws -> SuixinkanApp {
+        sharedApp?.application.terminate()
+
+        let relaunched = try UITestAuthenticatedSession.launchLoggedIn(
+            openProfileRoute: route,
+            file: file,
+            line: line
+        )
+        sharedApp = relaunched
+        return relaunched
+    }
+
+    /// 登录冒烟等用例清空本地状态后，使共享会话失效。
+    static func invalidate() {
+        sharedApp?.application.terminate()
+        sharedApp = nil
+    }
+}