补充 Auth/Tasks/ScenicPermission/Live 单元测试，并完善 UI Test 登录与会话稳定性。

移除 LoginViewModel 硬编码账号，扩展登录流程测试覆盖；调整 ZLoginSmokeUITests 执行顺序与路由直达逻辑，避免清空 Keychain 影响其它用例。

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

suixinkanTests/AuthModelsTests.swift

@@ -0,0 +1,95 @@
+//
+//  AuthModelsTests.swift
+//  suixinkanTests
+//
+//  Created by Codex on 2026/6/26.
+//
+
+import XCTest
+@testable import suixinkan
+
+/// Auth 模块模型测试，覆盖 v9 登录响应解码和账号转换规则。
+final class AuthModelsTests: XCTestCase {
+    /// 测试多账号登录 fixture 能正确解码并合并景区、门店账号。
+    func testV9AuthResponseDecodesMultiAccountFixture() throws {
+        let response = try TestFixture.payload(V9AuthResponse.self, named: "v9_login_multi_success")
+
+        XCTAssertEqual(response.token, "person-temp-token")
+        XCTAssertEqual(response.scenicUsers.count, 1)
+        XCTAssertEqual(response.storeUsers.count, 1)
+        XCTAssertEqual(response.accounts.map(\.businessUserId), [101, 201])
+    }
+
+    /// 测试景区账号会优先使用 ss_user_id 作为业务账号 ID。
+    func testV9ScenicUserBusinessUserIdPrefersSsUserId() throws {
+        let json = """
+        {
+          "account_type": "scenic_user",
+          "id": 1,
+          "user_id": 2,
+          "scenic_user_id": 3,
+          "ss_user_id": 101,
+          "username": "scenic_admin",
+          "real_name": "张三",
+          "nickname": "张三",
+          "phone": "13800138000",
+          "scenic_id": 10,
+          "scenic_name": "示例景区",
+          "is_current": false
+        }
+        """.data(using: .utf8)!
+        let user = try JSONDecoder().decode(V9ScenicUser.self, from: json)
+
+        XCTAssertEqual(user.businessUserId, 101)
+        XCTAssertEqual(user.toAccountSwitchAccount().accountType, V9ScenicUser.accountTypeValue)
+        XCTAssertEqual(user.toAccountSwitchAccount().toSetUserRequest(), SetUserRequest(ssUserId: 101))
+    }
+
+    /// 测试门店账号会优先使用 store_user_id 作为业务账号 ID。
+    func testV9StoreUserBusinessUserIdPrefersStoreUserId() throws {
+        let json = """
+        {
+          "account_type": "store_user",
+          "id": 1,
+          "user_id": 2,
+          "store_user_id": 201,
+          "username": "store_admin",
+          "user_name": "store_admin",
+          "real_name": "张三",
+          "phone": "13800138000",
+          "avatar": "",
+          "scenic_id": 10,
+          "scenic_name": "示例景区",
+          "store_id": 20,
+          "store_name": "示例门店",
+          "is_current": false
+        }
+        """.data(using: .utf8)!
+        let user = try JSONDecoder().decode(V9StoreUser.self, from: json)
+
+        XCTAssertEqual(user.businessUserId, 201)
+        XCTAssertEqual(user.toAccountSwitchAccount().accountType, V9StoreUser.accountTypeValue)
+        XCTAssertEqual(user.toAccountSwitchAccount().toSetUserRequest(), SetUserRequest(storeUserId: 201))
+    }
+
+    /// 测试登录响应会派生景区和门店作用域，并去重。
+    func testV9AuthResponseDerivesScopesFromAccounts() throws {
+        let response = try TestFixture.payload(V9AuthResponse.self, named: "v9_login_multi_success")
+
+        XCTAssertEqual(response.scenicScopes.map(\.id), [10])
+        XCTAssertEqual(response.storeScopes.map(\.id), [20])
+        XCTAssertEqual(response.primaryProfile?.displayName, "示例门店")
+    }
+
+    /// 测试 LoginRequest 会填充后端要求的默认字段。
+    func testLoginRequestEncodesExpectedDefaults() throws {
+        let request = LoginRequest(username: "18651857230", password: "secret123")
+        let json = try JSONSerialization.jsonObject(with: JSONEncoder().encode(request)) as? [String: Any]
+
+        XCTAssertEqual(json?["username"] as? String, "18651857230")
+        XCTAssertEqual(json?["password"] as? String, "secret123")
+        XCTAssertEqual(json?["type"] as? Int, 1)
+        XCTAssertEqual(json?["mobile"] as? String, "")
+        XCTAssertEqual(json?["code"] as? String, "")
+    }
+}