feat: 增加门店身份注销流程

suixinkanTests/SettingViewModelTests.swift

@@ -3,11 +3,29 @@
 //  suixinkanTests
 //
 
+import UIKit
 import XCTest
 @testable import suixinkan
 
 /// 设置中心 ViewModel 测试。
 final class SettingViewModelTests: XCTestCase {
+    /// 注销入口标题使用危险操作红色，普通菜单和右侧文字保持原色。
+    @MainActor
+    func testDeregistrationMenuTitleUsesRedWithoutChangingOtherMenuColors() throws {
+        let row = SettingMenuRow(title: "注销当前门店身份", titleColor: AppColor.danger, value: "查看", showsDivider: false)
+        let normalRow = SettingMenuRow(title: "关于我们")
+        let title = try XCTUnwrap(row.subviews.compactMap { $0 as? UILabel }.first)
+        let normalTitle = try XCTUnwrap(normalRow.subviews.compactMap { $0 as? UILabel }.first)
+        let rightStack = try XCTUnwrap(row.subviews.compactMap { $0 as? UIStackView }.first)
+        let value = try XCTUnwrap(rightStack.arrangedSubviews.compactMap { $0 as? UILabel }.first)
+
+        XCTAssertEqual(title.textColor, AppColor.danger)
+        XCTAssertEqual(normalTitle.textColor, UIColor(hex: 0x4B5563))
+        XCTAssertEqual(value.textColor, AppColor.textPrimary)
+        row.isHighlighted = true
+        XCTAssertEqual(title.textColor, AppColor.danger)
+    }
+
     func testAppVersionUsesClientInfoFormatting() {
         let viewModel = SettingViewModel(
             infoDictionary: [