从 iOS 17 Observation 迁移至 iOS 16 兼容的 Combine 架构

将最低部署版本降至 iOS 16，以 ObservableObject 替换 @Observable，新增导航与 UI 兼容层，并补充登录冒烟 UI 测试。

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

suixinkan/Features/Home/Views/HomeMoreFunctionsView.swift

@@ -9,12 +9,12 @@ import SwiftUI
 
 /// 首页全部功能视图，展示常用应用和当前角色拥有的更多功能。
 struct HomeMoreFunctionsView: View {
-    @Environment(PermissionContext.self) private var permissionContext
-    @Environment(AppRouter.self) private var appRouter
-    @Environment(RouterPath.self) private var router
+    @EnvironmentObject private var permissionContext: PermissionContext
+    @EnvironmentObject private var appRouter: AppRouter
+    @EnvironmentObject private var router: RouterPath
     @Environment(\.dismiss) private var dismiss
 
-    @State private var viewModel = HomeViewModel()
+    @StateObject private var viewModel = HomeViewModel()
     @State private var commonUris: [String] = []
 
     private let commonMenuStore = HomeCommonMenuStore()
@@ -49,10 +49,10 @@ struct HomeMoreFunctionsView: View {
         .task {
             rebuildMenus()
         }
-        .onChange(of: permissionContext.currentRole?.id) { _, _ in
+        .onChange(of: permissionContext.currentRole?.id) { _ in
             rebuildMenus()
         }
-        .onChange(of: permissionContext.rolePermissions.count) { _, _ in
+        .onChange(of: permissionContext.rolePermissions.count) { _ in
             rebuildMenus()
         }
     }