♻️ refactor: extract UserDefaults keys to interface modules for widget access

Move UserDefaults key definitions from repository implementations to interface modules, enabling widgets to access the same keys without duplicating magic strings. Also fix CircleBadge color parameter and remove typo in TimetablePainter comment.

Author: shp7724

SNUTT/Modules/Feature/Themes/Sources/Infra/ThemeUserDefaultsRepository.swift

@@ -15,19 +15,15 @@ struct ThemeUserDefaultsRepository: ThemeLocalRepository {
     @Dependency(\.widgetReloader) private var widgetReloader
 
     func loadAvailableThemes() -> [Theme] {
-        guard let data = userDefaults.data(forKey: Keys.availableThemes.rawValue),
+        guard let data = userDefaults.data(forKey: ThemeUserDefaultsKeys.availableThemes.rawValue),
             let themes = try? JSONDecoder().decode([Theme].self, from: data)
         else { return [] }
         return themes
     }
 
     func storeAvailableThemes(_ themes: [Theme]) {
         guard let data = try? JSONEncoder().encode(themes) else { return }
-        userDefaults.set(data, forKey: Keys.availableThemes.rawValue)
+        userDefaults.set(data, forKey: ThemeUserDefaultsKeys.availableThemes.rawValue)
         widgetReloader.reloadAll()
     }
-
-    private enum Keys: String {
-        case availableThemes
-    }
 }

SNUTT/Modules/Feature/ThemesInterface/Sources/ThemeUserDefaultsKeys.swift

@@ -0,0 +1,10 @@
+//
+//  ThemeUserDefaultsKeys.swift
+//  SNUTT
+//
+//  Copyright © 2026 wafflestudio.com. All rights reserved.
+//
+
+public enum ThemeUserDefaultsKeys: String {
+    case availableThemes
+}

SNUTT/Modules/Feature/Timetable/Sources/Infra/TimetableUserDefaultsRepository.swift

@@ -16,12 +16,12 @@ struct TimetableUserDefaultsRepository: TimetableLocalRepository {
     @Dependency(\.widgetReloader) private var widgetReloader
 
     func loadSelectedTimetable() throws -> Timetable {
-        try userDefaults.object(forKey: Keys.currentTimetable.rawValue, type: Timetable.self)
+        try userDefaults.object(forKey: TimetableUserDefaultsKeys.currentTimetable.rawValue, type: Timetable.self)
     }
 
     func storeSelectedTimetable(_ timetable: Timetable) throws {
         let data = try JSONEncoder().encode(timetable)
-        userDefaults.set(data, forKey: Keys.currentTimetable.rawValue)
+        userDefaults.set(data, forKey: TimetableUserDefaultsKeys.currentTimetable.rawValue)
         widgetReloader.reloadAll()
     }
 
@@ -35,19 +35,18 @@ struct TimetableUserDefaultsRepository: TimetableLocalRepository {
     }
 
     func configurationValues() -> AsyncStream<TimetableConfiguration> {
-        userDefaults.dataValues(forKey: "timetableConfiguration").compactMap {
+        userDefaults.dataValues(forKey: TimetableUserDefaultsKeys.timetableConfiguration.rawValue).compactMap {
             guard let data = $0 else { return nil }
             return try? JSONDecoder().decode(TimetableConfiguration.self, from: data)
         }.eraseToStream()
     }
-
-    private enum Keys: String {
-        case currentTimetable
-    }
 }
 
 extension UserDefaultsEntryDefinitions {
     var timetableConfiguration: UserDefaultsEntry<TimetableConfiguration> {
-        UserDefaultsEntry(key: "timetableConfiguration", defaultValue: TimetableConfiguration())
+        UserDefaultsEntry(
+            key: TimetableUserDefaultsKeys.timetableConfiguration.rawValue,
+            defaultValue: TimetableConfiguration()
+        )
     }
 }

SNUTT/Modules/Feature/TimetableInterface/Sources/TimetableUserDefaultsKeys.swift

@@ -0,0 +1,11 @@
+//
+//  TimetableUserDefaultsKeys.swift
+//  SNUTT
+//
+//  Copyright © 2026 wafflestudio.com. All rights reserved.
+//
+
+public enum TimetableUserDefaultsKeys: String {
+    case currentTimetable
+    case timetableConfiguration
+}

SNUTT/Modules/Feature/TimetableUIComponents/Sources/Presentation/TimetablePainter.swift

@@ -40,7 +40,7 @@ extension TimetablePainter {
         return max((containerSize.height - weekdayHeight) / CGFloat(hourCount), 0)
     }
 
-    /// 시간표 그리드의 시간 행 렌더링을 위한 높이와 개수를 계산한다..
+    /// 시간표 그리드의 시간 행 렌더링을 위한 높이와 개수를 계산한다.
     ///
     /// 1. `geometry.size`를 기준으로 이상적인 한 시간의 높이(`hourHeight`)를 계산한다.
     /// 2. `geometry.extendedContainerSize`의 가용 높이(weekdayHeight 제외)를 `hourHeight`로 나누어

SNUTT/Modules/Shared/SharedUIComponents/Sources/CircleBadge.swift

@@ -30,7 +30,7 @@ struct CircleBadgeModifier: ViewModifier {
             content
 
             if condition {
-                CircleBadge(color: .red)
+                CircleBadge(color: color)
             }
         }
     }

SNUTT/SNUTTWidget/Sources/SNUTTWidgetDataSource.swift

@@ -22,21 +22,21 @@ final class SNUTTWidgetDataSource {
     }
 
     var currentTimetable: Timetable? {
-        guard let data = userDefaults.data(forKey: "currentTimetable"),
+        guard let data = userDefaults.data(forKey: TimetableUserDefaultsKeys.currentTimetable.rawValue),
             let timetable = try? JSONDecoder().decode(Timetable.self, from: data)
         else { return nil }
         return timetable
     }
 
     var timetableConfiguration: TimetableConfiguration {
-        guard let data = userDefaults.data(forKey: "timetableConfiguration"),
+        guard let data = userDefaults.data(forKey: TimetableUserDefaultsKeys.timetableConfiguration.rawValue),
             let configuration = try? JSONDecoder().decode(TimetableConfiguration.self, from: data)
         else { return .init() }
         return configuration
     }
 
     var availableThemes: [Theme] {
-        guard let data = userDefaults.data(forKey: "availableThemes"),
+        guard let data = userDefaults.data(forKey: ThemeUserDefaultsKeys.availableThemes.rawValue),
             let themes = try? JSONDecoder().decode([Theme].self, from: data)
         else { return [] }
         return themes