Toast

[shp7724]

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[Copilot]

Pull Request Overview

This PR introduces a toast notification system to replace direct router-based navigation with a message-passing architecture using typed notification messages. The implementation adds SwiftUtility and DependenciesUtility modules to support scoped task subscriptions and type-safe NotificationCenter messaging.

Key changes:

• Added toast UI component with automatic dismissal and optional action buttons
• Replaced router dependencies with NotificationCenter-based message passing for navigation coordination
• Implemented scoped task subscriptions that automatically cancel when owner is deallocated

Reviewed Changes

Copilot reviewed 31 out of 31 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
ContentViewModel.swift	Replaced TimetableRouter and LectureSearchRouter dependencies with notificationCenter subscription to NavigateToVacancyMessage
ContentViewModel+URLScheme.swift	Converted URL scheme handlers to post typed notification messages instead of directly manipulating router state
ContentView.swift	Added .overlayToast() modifier to enable toast presentation throughout the app
Project.swift	Added SwiftUtility and DependenciesUtility module dependencies to multiple targets
TaskSubscribeTests.swift	Added comprehensive test coverage for scoped task lifecycle and cancellation behavior
ScopedTask.swift	Implemented Task.scoped extension for automatic task cancellation when owner is deallocated
NotificationCenter+TypedMessage.swift	Created type-safe wrapper for NotificationCenter with TypedMessage protocol
ToastView.swift	Implemented toast item view with button support and preview examples
ToastModel.swift	Defined Toast and ToastButton data models with Sendable conformance
ToastContainer.swift	Created view model for managing toast presentation queue and auto-dismissal
Toast+Modifier.swift	Added overlayToast() view modifier and environment key for toast presentation
AnimatableTabView.swift	Updated to sync selectedTab binding with tab controller selection
NotificationMessage.swift (TimetableInterface)	Defined navigation message types for timetable-related deeplinks
TimetableScene.swift	Removed LectureSearchRouter dependency from initialization
LectureEditDetailScene.swift	Added presentToast environment value for bookmark/vacancy notifications
LectureEditDetailScene+Toolbar.swift	Implemented toast notifications when toggling bookmark/vacancy features
ExpandableLectureCell.swift	Added toast notifications with navigation actions for bookmark/vacancy operations
TimetableViewModel.swift	Replaced router dependency with notification subscriptions for lecture navigation
LectureSearchViewModel.swift	Removed LectureSearchRouter dependency, replaced with NavigateToBookmarkMessage subscription
LectureEditDetailViewModel.swift	Added SharedUIComponents import for Toast types
Localizable.strings (en/Base)	Added localized strings for toast messages
ThemeViewModel.swift	Migrated from NotificationCenter.default to typed message subscription
ThemeDetailViewModel.swift	Converted theme update notification to typed message
NotificationMessage.swift (Themes)	Defined CustomThemeDidUpdateMessage type
SettingsScene.swift	Made NavigationStack path bindable for programmatic navigation
SettingsViewModel.swift	Added subscription to NavigateToVacancyMessage for navigation to vacancy settings
FriendsScene.swift	Removed manual notification task subscription (moved to view model)
NotificationMessage.swift (Friends)	Defined typed messages for Kakao friend requests and menu opening
FriendsViewModel.swift	Added notification subscriptions for OpenFriendsMenuMessage and KakaoFriendRequestMessage
FriendsViewModel+KakaoRequest.swift	Removed notification stream helper and extension documentation

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