added support for 2fa login with browser flow

android/app/build.gradle

@@ -65,5 +65,9 @@ flutter {
 
 dependencies {
     implementation 'com.android.support:multidex:2.0.1'
+    // Same version as workmanager_android pins — needed to enqueue its
+    // BackgroundWorker from native widget code (the plugin uses
+    // `implementation`, so androidx.work is not exposed transitively).
+    implementation 'androidx.work:work-runtime:2.11.2'
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.1.4'
 }

android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/TimetableDayWidget.kt

@@ -4,6 +4,7 @@ import android.appwidget.AppWidgetManager
 import android.appwidget.AppWidgetProvider
 import android.content.Context
 import android.os.Bundle
+import eu.mhsl.marianum.mobile.client.widgets.WidgetRefreshRequester
 import eu.mhsl.marianum.mobile.client.widgets.WidgetRenderer
 
 /**
@@ -11,6 +12,11 @@ import eu.mhsl.marianum.mobile.client.widgets.WidgetRenderer
  * Flutter plugin resolves the receiver class as `<app-package>.<androidName>`.
  */
 class TimetableDayWidget : AppWidgetProvider() {
+    override fun onEnabled(context: Context) {
+        // First widget of this kind placed → fetch fresh data right away.
+        WidgetRefreshRequester.enqueueOneOffRefresh(context)
+    }
+
     override fun onUpdate(
         context: Context,
         appWidgetManager: AppWidgetManager,

android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/TimetableWeekWidget.kt

@@ -4,9 +4,15 @@ import android.appwidget.AppWidgetManager
 import android.appwidget.AppWidgetProvider
 import android.content.Context
 import android.os.Bundle
+import eu.mhsl.marianum.mobile.client.widgets.WidgetRefreshRequester
 import eu.mhsl.marianum.mobile.client.widgets.WidgetRenderer
 
 class TimetableWeekWidget : AppWidgetProvider() {
+    override fun onEnabled(context: Context) {
+        // First widget of this kind placed → fetch fresh data right away.
+        WidgetRefreshRequester.enqueueOneOffRefresh(context)
+    }
+
     override fun onUpdate(
         context: Context,
         appWidgetManager: AppWidgetManager,

android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/widgets/WidgetData.kt

@@ -33,6 +33,8 @@ data class WidgetLesson(
     val subjectShort: String,
     val subjectLong: String?,
     val room: String?,
+    // On teacher accounts this carries the class label ("7a") instead of the
+    // teacher short name (originalTeacher is null then) — mapped in Dart.
     val teacher: String?,
     val originalTeacher: String?,
     val status: WidgetLessonStatus,

android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/widgets/WidgetRefreshRequester.kt

@@ -0,0 +1,40 @@
+package eu.mhsl.marianum.mobile.client.widgets
+
+import android.content.Context
+import androidx.work.Constraints
+import androidx.work.Data
+import androidx.work.NetworkType
+import androidx.work.OneTimeWorkRequest
+import androidx.work.WorkManager
+import dev.fluttercommunity.workmanager.BackgroundWorker
+
+/**
+ * Enqueues the app's Dart one-off widget refresh from native code, so a
+ * freshly placed widget populates within seconds instead of waiting for the
+ * next periodic slot.
+ *
+ * DART_TASK_KEY is public plugin API but no semver guarantee — re-verify on
+ * workmanager upgrades. The Dart callback handle comes from SharedPreferences
+ * persisted by Workmanager().initialize(); if the app never ran, the worker
+ * fails gracefully and the widget keeps rendering its cached/empty state.
+ */
+object WidgetRefreshRequester {
+    // Mirrors WidgetBackgroundTask.oneOffTaskName on the Dart side.
+    private const val DART_ONE_OFF_TASK = "eu.mhsl.marianum.widget.refresh.once"
+
+    fun enqueueOneOffRefresh(context: Context) {
+        val request = OneTimeWorkRequest.Builder(BackgroundWorker::class.java)
+            .setInputData(
+                Data.Builder()
+                    .putString(BackgroundWorker.DART_TASK_KEY, DART_ONE_OFF_TASK)
+                    .build(),
+            )
+            .setConstraints(
+                Constraints.Builder()
+                    .setRequiredNetworkType(NetworkType.CONNECTED)
+                    .build(),
+            )
+            .build()
+        WorkManager.getInstance(context).enqueue(request)
+    }
+}

android/app/src/main/kotlin/eu/mhsl/marianum/mobile/client/widgets/WidgetRenderer.kt

@@ -736,8 +736,11 @@ object WidgetRenderer {
         )
     }
 
+    // Mirrors lib/widget_data/widget_sync.dart (the canonical key list) — a
+    // schema bump must land in Dart, Swift (WidgetData.swift) and here
+    // together, or the out-of-sync platform silently renders empty.
     const val KEY_DAY_DATA = "widget_data_day_v1"
-    const val KEY_WEEK_DATA = "widget_data_week_v1"
+    const val KEY_WEEK_DATA = "widget_data_week_v2"
     const val KEY_LOGGED_IN = "widget_data_logged_in_v1"
     const val KEY_THEME_MODE = "widget_setting_theme_mode_v1"
 }

ios/Runner/AppDelegate.swift

@@ -1,6 +1,7 @@
 import Flutter
 import UIKit
 import UserNotifications
+import workmanager_apple
 
 @main
 @objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
@@ -23,6 +24,19 @@ import UserNotifications
   ) -> Bool {
     let result = super.application(application, didFinishLaunchingWithOptions: launchOptions)
     registerTalkCategory()
+    // BGAppRefresh for the home-screen widget. Must all happen before
+    // didFinishLaunching returns: with the UIScene lifecycle Flutter registers
+    // plugins only during scene connection, which is past BGTaskScheduler's
+    // registration deadline — registerLaunchHandlers() bridges that gap.
+    // The task identifier mirrors WidgetBackgroundTask.periodicTaskName; the
+    // plugin re-submits the refresh request itself after every run.
+    WorkmanagerPlugin.setPluginRegistrantCallback { registry in
+      GeneratedPluginRegistrant.register(with: registry)
+    }
+    WorkmanagerPlugin.registerPeriodicTask(
+      withIdentifier: "eu.mhsl.marianum.widget.refresh",
+      earliestBeginInSeconds: 1800)
+    WorkmanagerPlugin.registerLaunchHandlers()
     // FlutterAppDelegate conforms to UNUserNotificationCenterDelegate and
     // forwards these callbacks to the plugins (firebase_messaging,
     // flutter_local_notifications). We route Talk actions natively here — the

ios/Runner/Info.plist

@@ -66,6 +66,10 @@
 		</dict>
 		<key>UIApplicationSupportsIndirectInputEvents</key>
 		<true/>
+		<key>BGTaskSchedulerPermittedIdentifiers</key>
+		<array>
+			<string>eu.mhsl.marianum.widget.refresh</string>
+		</array>
 		<key>UIBackgroundModes</key>
 		<array>
 			<string>fetch</string>

ios/TimetableWidgetExtension/TimetableAnchor.swift

@@ -0,0 +1,109 @@
+import Foundation
+
+/// Pure anchor/slicing logic mirroring `lib/widget_data/widget_data_mapper.dart`
+/// (resolveDayAnchor / resolveWeekAnchor). Keep both sides in sync — the Dart
+/// unit tests in test/widget_data/widget_data_mapper_test.dart double as the
+/// review checklist here:
+///   resolveDayAnchor(Wed 2026-05-06 10:00) == 2026-05-06   (before cutoff)
+///   resolveDayAnchor(Wed 2026-05-06 19:00) == 2026-05-07   (after cutoff)
+///   resolveDayAnchor(Fri 2026-05-08 18:00) == 2026-05-11   (Fri → Mon)
+///   resolveDayAnchor(Sat 2026-05-09 10:00) == 2026-05-11
+///   resolveDayAnchor(Sun 2026-05-10 22:00) == 2026-05-11
+///   resolveWeekAnchor(Tue 2026-05-05 10:00) == 2026-05-04
+///   resolveWeekAnchor(Sun 2026-05-10 10:00) == 2026-05-11
+enum TimetableAnchor {
+    /// After 17:00 the user's question shifts from "what's left today" to
+    /// "what's tomorrow", so the day widget rolls forward.
+    static let dayCutoffHour = 17
+
+    static func resolveDayAnchor(_ now: Date, calendar: Calendar = .current) -> Date {
+        var candidate = calendar.startOfDay(for: now)
+        let shiftToTomorrow =
+            calendar.component(.hour, from: now) >= dayCutoffHour || isWeekend(candidate, calendar: calendar)
+        if shiftToTomorrow {
+            candidate = nextDay(candidate, calendar: calendar)
+        }
+        while isWeekend(candidate, calendar: calendar) {
+            candidate = nextDay(candidate, calendar: calendar)
+        }
+        return candidate
+    }
+
+    static func resolveWeekAnchor(_ now: Date, calendar: Calendar = .current) -> Date {
+        let anchor = resolveDayAnchor(now, calendar: calendar)
+        // Swift weekday: 1 = Sunday … 7 = Saturday → distance back to Monday.
+        let daysFromMonday = (calendar.component(.weekday, from: anchor) + 5) % 7
+        let monday = calendar.date(byAdding: .day, value: -daysFromMonday, to: anchor) ?? anchor
+        return calendar.startOfDay(for: monday)
+    }
+
+    /// Future instants at which the rendered anchor can change: each day's
+    /// midnight (rollover) and 17:00 (cutoff), within the horizon. Sorted,
+    /// strictly after `now`.
+    static func boundaryDates(
+        from now: Date,
+        horizonDays: Int = 3,
+        calendar: Calendar = .current
+    ) -> [Date] {
+        var result: [Date] = []
+        let today = calendar.startOfDay(for: now)
+        for offset in 0...horizonDays {
+            guard let day = calendar.date(byAdding: .day, value: offset, to: today) else { continue }
+            let midnight = calendar.startOfDay(for: day)
+            if midnight > now { result.append(midnight) }
+            if let cutoff = calendar.date(
+                bySettingHour: dayCutoffHour, minute: 0, second: 0, of: day
+            ), cutoff > now {
+                result.append(cutoff)
+            }
+        }
+        return result.sorted()
+    }
+
+    /// Derives a day payload from the 14-day week payload — same shape the
+    /// Dart buildDayData produces, since the week payload runs through the
+    /// identical per-day merge/collision pipeline.
+    static func slice(
+        week: WidgetTimetableData,
+        forDay anchor: Date,
+        calendar: Calendar = .current
+    ) -> WidgetTimetableData {
+        let lessons = week.lessons.filter { calendar.isDate($0.start, inSameDayAs: anchor) }
+        // Every v2 week payload carries `days` — the key bump guarantees it.
+        let dayInfo = week.days?.first { calendar.isDate($0.date, inSameDayAs: anchor) }
+        return WidgetTimetableData(
+            fetchedAt: week.fetchedAt,
+            anchorDate: anchor,
+            lessons: lessons,
+            periods: week.periods,
+            isHoliday: dayInfo?.isHoliday ?? false,
+            holidayName: dayInfo?.holidayName,
+            days: nil
+        )
+    }
+
+    /// Week payload re-anchored to the week containing/following `anchorDate`.
+    /// The week view filters its five columns off `anchorDate`, so this alone
+    /// performs the Friday-evening/weekend jump to next week.
+    static func retarget(week: WidgetTimetableData, anchorDate: Date) -> WidgetTimetableData {
+        WidgetTimetableData(
+            fetchedAt: week.fetchedAt,
+            anchorDate: anchorDate,
+            lessons: week.lessons,
+            periods: week.periods,
+            isHoliday: week.isHoliday,
+            holidayName: week.holidayName,
+            days: week.days
+        )
+    }
+
+    private static func isWeekend(_ date: Date, calendar: Calendar) -> Bool {
+        let weekday = calendar.component(.weekday, from: date)
+        return weekday == 1 || weekday == 7
+    }
+
+    private static func nextDay(_ date: Date, calendar: Calendar) -> Date {
+        let next = calendar.date(byAdding: .day, value: 1, to: date) ?? date
+        return calendar.startOfDay(for: next)
+    }
+}

ios/TimetableWidgetExtension/TimetableDayView.swift

@@ -100,13 +100,13 @@ struct TimetableDayView: View {
 
     private func header(data: WidgetTimetableData) -> some View {
         HStack(spacing: 4) {
-            Text(dayLabel(for: data.anchorDate))
+            Text(dayLabel(for: data.anchorDate, relativeTo: entry.date))
                 .font(.system(size: 13, weight: .semibold))
                 .foregroundStyle(palette.textPrimary)
                 .lineLimit(1)
                 .minimumScaleFactor(0.7)
             Spacer(minLength: 4)
-            Text("Stand: \(freshnessLabel(for: data.fetchedAt))")
+            Text("Stand: \(freshnessLabel(for: data.fetchedAt, relativeTo: entry.date))")
                 .font(.system(size: 9))
                 .foregroundStyle(palette.textSecondary)
                 .lineLimit(1)
@@ -383,6 +383,7 @@ struct TimeGridView: View {
         case .irregular: return Color(red: 143/255.0, green: 25/255.0, blue: 179/255.0)
         case .teacherChanged: return Color(red: 41/255.0, green: 99/255.0, blue: 155/255.0)
         case .event: return Color(red: 239/255.0, green: 108/255.0, blue: 0/255.0)
+        case .duty: return Color(red: 0/255.0, green: 121/255.0, blue: 107/255.0)
         }
     }
 }
@@ -400,9 +401,31 @@ func periodBoundaries(_ periods: [WidgetPeriod]) -> [Int] {
     return result.sorted()
 }
 
-func dayLabel(for date: Date) -> String {
+/// Fixed-locale formatters cached once — DateFormatter setup is the
+/// expensive part and the multi-entry timelines render up to ~8 entries per
+/// reload. Only touched from WidgetKit's archival rendering, so the shared
+/// instances are safe.
+enum WidgetDateFormatters {
+    static let shortDate = make("dd.MM.")
+    static let weekdayShort = make("EE")
+    static let weekdayDate = make("EEEE · dd.MM.")
+    static let time = make("HH:mm")
+    static let dateTime = make("dd.MM. HH:mm")
+
+    private static func make(_ format: String) -> DateFormatter {
+        let f = DateFormatter()
+        f.locale = Locale(identifier: "de_DE")
+        f.dateFormat = format
+        return f
+    }
+}
+
+/// `now` is the timeline entry's date, not `Date()`: WidgetKit archives
+/// entries ahead of time, so wall-clock reads would be wrong for every
+/// entry after the first.
+func dayLabel(for date: Date, relativeTo now: Date) -> String {
     let cal = Calendar.current
-    let today = cal.startOfDay(for: Date())
+    let today = cal.startOfDay(for: now)
     let anchor = cal.startOfDay(for: date)
     if anchor == today {
         return "Heute · \(shortDate(date))"
@@ -410,35 +433,23 @@ func dayLabel(for date: Date) -> String {
     if let tomorrow = cal.date(byAdding: .day, value: 1, to: today), anchor == tomorrow {
         return "Morgen · \(shortDate(date))"
     }
-    let formatter = DateFormatter()
-    formatter.locale = Locale(identifier: "de_DE")
-    formatter.dateFormat = "EEEE · dd.MM."
-    return formatter.string(from: date)
+    return WidgetDateFormatters.weekdayDate.string(from: date)
 }
 
 func shortDate(_ date: Date) -> String {
-    let f = DateFormatter()
-    f.locale = Locale(identifier: "de_DE")
-    f.dateFormat = "dd.MM."
-    return f.string(from: date)
+    WidgetDateFormatters.shortDate.string(from: date)
 }
 
-func freshnessLabel(for fetchedAt: Date) -> String {
+func freshnessLabel(for fetchedAt: Date, relativeTo now: Date) -> String {
     let cal = Calendar.current
-    let today = cal.startOfDay(for: Date())
+    let today = cal.startOfDay(for: now)
     let fetchedDay = cal.startOfDay(for: fetchedAt)
-    let timeFmt = DateFormatter()
-    timeFmt.locale = Locale(identifier: "de_DE")
-    timeFmt.dateFormat = "HH:mm"
     if fetchedDay == today {
-        return timeFmt.string(from: fetchedAt)
+        return WidgetDateFormatters.time.string(from: fetchedAt)
     }
     if let yesterday = cal.date(byAdding: .day, value: -1, to: today),
        fetchedDay == yesterday {
-        return "gestern \(timeFmt.string(from: fetchedAt))"
+        return "gestern \(WidgetDateFormatters.time.string(from: fetchedAt))"
     }
-    let dateTimeFmt = DateFormatter()
-    dateTimeFmt.locale = Locale(identifier: "de_DE")
-    dateTimeFmt.dateFormat = "dd.MM. HH:mm"
-    return dateTimeFmt.string(from: fetchedAt)
+    return WidgetDateFormatters.dateTime.string(from: fetchedAt)
 }

ios/TimetableWidgetExtension/TimetableWeekView.swift

@@ -70,7 +70,7 @@ struct TimetableWeekView: View {
                 .lineLimit(1)
                 .minimumScaleFactor(0.8)
             Spacer()
-            Text("Stand: \(freshnessLabel(for: data.fetchedAt))")
+            Text("Stand: \(freshnessLabel(for: data.fetchedAt, relativeTo: entry.date))")
                 .font(.system(size: 9))
                 .foregroundStyle(palette.textSecondary)
                 .lineLimit(1)
@@ -168,10 +168,7 @@ struct TimetableWeekView: View {
     }
 
     private func weekday(for date: Date) -> String {
-        let f = DateFormatter()
-        f.locale = Locale(identifier: "de_DE")
-        f.dateFormat = "EE"
-        return f.string(from: date)
+        WidgetDateFormatters.weekdayShort.string(from: date)
     }
 
     private func placeholder(_ message: String) -> some View {

ios/TimetableWidgetExtension/TimetableWidgetExtension.swift

@@ -41,11 +41,13 @@ struct TimetableDayProvider: TimelineProvider {
         in context: Context,
         completion: @escaping (Timeline<TimetableEntry>) -> Void
     ) {
-        let entry = TimetableEntry.current(variant: .day)
+        let now = Date()
         // 30 min mirrors the Dart workmanager cadence. iOS treats this as
-        // advisory; the "Stand:" label tells the user when data is stale.
-        let next = Calendar.current.date(byAdding: .minute, value: 30, to: Date()) ?? Date()
-        completion(Timeline(entries: [entry], policy: .after(next)))
+        // advisory; the boundary entries below keep the rendered day correct
+        // even when no reload is granted, and the "Stand:" label tells the
+        // user when the underlying data is stale.
+        let next = Calendar.current.date(byAdding: .minute, value: 30, to: now) ?? now
+        completion(Timeline(entries: TimetableEntry.dayEntries(now: now), policy: .after(next)))
     }
 }
 
@@ -80,9 +82,9 @@ struct TimetableWeekProvider: TimelineProvider {
         in context: Context,
         completion: @escaping (Timeline<TimetableEntry>) -> Void
     ) {
-        let entry = TimetableEntry.current(variant: .week)
-        let next = Calendar.current.date(byAdding: .minute, value: 30, to: Date()) ?? Date()
-        completion(Timeline(entries: [entry], policy: .after(next)))
+        let now = Date()
+        let next = Calendar.current.date(byAdding: .minute, value: 30, to: now) ?? now
+        completion(Timeline(entries: TimetableEntry.weekEntries(now: now), policy: .after(next)))
     }
 }
 
@@ -120,6 +122,58 @@ struct TimetableEntry: TimelineEntry {
             themeMode: WidgetDataLoader.themeMode()
         )
     }
+
+    /// Day timeline derived from the 14-day week payload, so the widget shows
+    /// the right day even when iOS grants no reload for days.
+    static func dayEntries(now: Date) -> [TimetableEntry] {
+        entries(now: now, variant: .day) { week, date in
+            TimetableAnchor.slice(week: week, forDay: TimetableAnchor.resolveDayAnchor(date))
+        }
+    }
+
+    /// Week timeline: re-anchoring performs the Friday-evening/weekend jump
+    /// into next week from cached data, and the midnight entries keep the
+    /// "Stand:" freshness label honest.
+    static func weekEntries(now: Date) -> [TimetableEntry] {
+        entries(now: now, variant: .week) { week, date in
+            TimetableAnchor.retarget(week: week, anchorDate: TimetableAnchor.resolveWeekAnchor(date))
+        }
+    }
+
+    /// Shared timeline skeleton: one entry now plus one per anchor boundary
+    /// (midnight rollover, 17:00 cutoff). Boundaries that cannot change the
+    /// render — same anchor and same calendar day for the header labels —
+    /// are dropped.
+    private static func entries(
+        now: Date,
+        variant: TimetableVariant,
+        transform: (WidgetTimetableData, Date) -> WidgetTimetableData
+    ) -> [TimetableEntry] {
+        guard WidgetDataLoader.isLoggedIn(), let week = WidgetDataLoader.loadWeek() else {
+            // Logged out, or no v2 week snapshot yet (fresh app update):
+            // fall back to the legacy single-entry payload.
+            return [TimetableEntry.current(variant: variant)]
+        }
+        let theme = WidgetDataLoader.themeMode()
+        let cal = Calendar.current
+        var result: [TimetableEntry] = []
+        for date in [now] + TimetableAnchor.boundaryDates(from: now) {
+            let data = transform(week, date)
+            if let previous = result.last, let previousData = previous.data,
+               cal.isDate(previousData.anchorDate, inSameDayAs: data.anchorDate),
+               cal.isDate(previous.date, inSameDayAs: date) {
+                continue
+            }
+            result.append(TimetableEntry(
+                date: date,
+                variant: variant,
+                data: data,
+                isLoggedIn: true,
+                themeMode: theme
+            ))
+        }
+        return result
+    }
 }
 
 extension View {

ios/TimetableWidgetExtension/WidgetData.swift

@@ -10,6 +10,15 @@ enum WidgetLessonStatus: String, Codable {
     case irregular
     case teacherChanged
     case event
+    case duty
+
+    /// Unknown future statuses degrade to `.regular` instead of failing the
+    /// whole payload decode (mirrors WidgetData.kt's fromWire fallback) — a
+    /// single new enum value must never blank the widget to the placeholder.
+    init(from decoder: Decoder) throws {
+        let raw = try decoder.singleValueContainer().decode(String.self)
+        self = WidgetLessonStatus(rawValue: raw) ?? .regular
+    }
 }
 
 struct WidgetLesson: Codable {
@@ -18,6 +27,8 @@ struct WidgetLesson: Codable {
     let subjectShort: String
     let subjectLong: String?
     let room: String?
+    // On teacher accounts this carries the class label ("7a") instead of the
+    // teacher short name (originalTeacher is nil then) — mapped in Dart.
     let teacher: String?
     let originalTeacher: String?
     let status: WidgetLessonStatus
@@ -33,6 +44,12 @@ struct WidgetPeriod: Codable {
     let virtualEndMinutes: Int
 }
 
+struct WidgetDayInfo: Codable {
+    let date: Date
+    let isHoliday: Bool
+    let holidayName: String?
+}
+
 struct WidgetTimetableData: Codable {
     let fetchedAt: Date
     let anchorDate: Date
@@ -40,12 +57,17 @@ struct WidgetTimetableData: Codable {
     let periods: [WidgetPeriod]
     let isHoliday: Bool
     let holidayName: String?
+    /// Week payload (v2) only; optional so day payloads keep decoding.
+    let days: [WidgetDayInfo]?
 }
 
+/// Mirrors lib/widget_data/widget_sync.dart (the canonical key list) — a
+/// schema bump must land in Dart, Kotlin (WidgetRenderer.kt) and here
+/// together, or the out-of-sync platform silently blanks to the placeholder.
 enum WidgetDataKey {
     static let appGroupId = "group.eu.mhsl.marianum.mobile.client.widget"
     static let dayData = "widget_data_day_v1"
-    static let weekData = "widget_data_week_v1"
+    static let weekData = "widget_data_week_v2"
     static let loggedIn = "widget_data_logged_in_v1"
     static let themeMode = "widget_setting_theme_mode_v1"
 }

lib/api/demo/data/demo_capabilities.dart

@@ -2,13 +2,19 @@ import '../../../state/app/modules/capabilities/bloc/capabilities_state.dart';
 import '../../../state/app/modules/nextcloud_capabilities/bloc/nextcloud_capabilities_state.dart';
 
 /// Demo fixtures for the mobile capability flags — everything granted so the
-/// demo persona sees every feature (incl. push) as available.
+/// demo persona sees every feature (incl. push) as available and the timetable
+/// scroll range stays unlimited (null day counts).
 class DemoCapabilities {
   const DemoCapabilities._();
 
   static CapabilitiesState state() => const CapabilitiesState(
     viewForeignTimetables: true,
     pushNotifications: true,
+    timetablePastDays: null,
+    timetableFutureDays: null,
+    // Die Demo-Persona ist explizit Schüler — null hieße "Backend kennt das
+    // Feld nicht" (siehe CapabilitiesResponse.userType).
+    userType: 'STUDENT',
     loaded: true,
   );
 }

lib/api/marianumcloud/app_password/get_app_password.dart

@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'package:http/http.dart' as http;
 
 import '../../../model/account_data.dart';
+import '../../http_errors.dart';
 import '../nextcloud_ocs.dart';
 
 /// Exchanges the user's real Nextcloud password for a scoped app password via
@@ -18,21 +19,29 @@ class GetAppPassword {
   GetAppPassword({http.Client? client}) : _client = client ?? http.Client();
 
   /// Returns the freshly minted app password. Throws on any transport or
-  /// protocol error — callers treat push registration as best-effort and swallow
-  /// failures.
+  /// protocol error — a 401 becomes an [AuthException], which the login flow
+  /// reads as "Nextcloud rejects the password" (two-factor authentication or
+  /// password mismatch) and answers with the interactive Login Flow v2.
   Future<String> run() async {
-    final response = await _client.get(
-      NextcloudOcs.uri('core/getapppassword'),
-      headers: {
-        ...NextcloudOcs.headers(),
-        // Deliberately NOT the shared Authorization value: that one prefers
-        // the app password, but an app password cannot mint another one —
-        // this endpoint requires the real password.
-        'Authorization': AccountData().getRealPasswordBasicAuthHeader(),
-      },
-    );
+    const label = 'Nextcloud getapppassword';
+    final response = (await sendGuarded(
+      label,
+      () => _client.get(
+        NextcloudOcs.uri('core/getapppassword'),
+        headers: {
+          ...NextcloudOcs.headers(),
+          // Deliberately NOT the shared Authorization value: that one prefers
+          // the app password, but an app password cannot mint another one —
+          // this endpoint requires the real password.
+          'Authorization': AccountData().getRealPasswordBasicAuthHeader(),
+        },
+      ),
+    ))!;
     if (response.statusCode < 200 || response.statusCode >= 300) {
-      throw Exception('getapppassword HTTP ${response.statusCode}');
+      throwForStatus(
+        response.statusCode,
+        httpErrorDetail(label, response.body, response.statusCode),
+      );
     }
     final json = jsonDecode(utf8.decode(response.bodyBytes));
     final data = (json as Map)['ocs']?['data'];

lib/api/marianumcloud/login_flow/login_flow_api.dart

@@ -0,0 +1,140 @@
+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
+
+import '../../../model/endpoint_data.dart';
+import '../../http_errors.dart';
+import '../../marianumconnect/auth/device_token_name.dart';
+
+/// Nextcloud Login Flow v2 (`/index.php/login/v2`): interactive browser login
+/// that yields an app password. It is the only way to obtain working Nextcloud
+/// credentials when the account is protected by two-factor authentication —
+/// Basic auth with the real password is rejected server-side in that case.
+class LoginFlowApi {
+  final http.Client _client;
+
+  LoginFlowApi({http.Client? client}) : _client = client ?? http.Client();
+
+  /// Starts a new flow. Nextcloud displays the request's User-Agent as the
+  /// token name in the user's security settings, so the device token label is
+  /// sent (`"Marianum Fulda App (Pixel 10)"`).
+  Future<LoginFlowInit> start() async {
+    final userAgent = await DeviceTokenName.resolve();
+    final uri = _initUri();
+    const label = 'Nextcloud login flow init';
+    final response = (await sendGuarded(
+      label,
+      () => _client.post(
+        uri,
+        headers: {'Accept': 'application/json', 'User-Agent': userAgent},
+      ),
+    ))!;
+    if (response.statusCode < 200 || response.statusCode >= 300) {
+      throwForStatus(
+        response.statusCode,
+        httpErrorDetail(label, response.body, response.statusCode),
+      );
+    }
+    return LoginFlowInit.fromJson(
+      jsonDecode(utf8.decode(response.bodyBytes)) as Map<String, dynamic>,
+    );
+  }
+
+  /// Polls for the flow result: `null` while the browser login has not been
+  /// completed yet (HTTP 404), the final credentials once it has.
+  Future<LoginFlowCredentials?> poll(LoginFlowInit flow) async {
+    const label = 'Nextcloud login flow poll';
+    final response = (await sendGuarded(
+      label,
+      () => _client.post(
+        Uri.parse(flow.pollEndpoint),
+        headers: {'Accept': 'application/json'},
+        body: {'token': flow.pollToken},
+      ),
+    ))!;
+    if (response.statusCode == 404) return null;
+    if (response.statusCode < 200 || response.statusCode >= 300) {
+      throwForStatus(
+        response.statusCode,
+        httpErrorDetail(label, response.body, response.statusCode),
+      );
+    }
+    return LoginFlowCredentials.fromJson(
+      jsonDecode(utf8.decode(response.bodyBytes)) as Map<String, dynamic>,
+    );
+  }
+
+  static Uri _initUri() {
+    final endpoint = EndpointData().nextcloud();
+    return Uri.https(endpoint.domain, '${endpoint.path}/index.php/login/v2');
+  }
+
+  /// Whether the login name reported by the completed flow belongs to the
+  /// account this app session expects — the browser login could have been
+  /// completed with a different Nextcloud account.
+  static bool loginNameMatches({
+    required String expected,
+    required String actual,
+  }) => actual.trim().toLowerCase() == expected.trim().toLowerCase();
+}
+
+/// Response of the flow init call: the URL the user opens in the browser plus
+/// the token/endpoint pair the app polls until the login is confirmed.
+class LoginFlowInit {
+  final String loginUrl;
+  final String pollToken;
+  final String pollEndpoint;
+
+  const LoginFlowInit({
+    required this.loginUrl,
+    required this.pollToken,
+    required this.pollEndpoint,
+  });
+
+  factory LoginFlowInit.fromJson(Map<String, dynamic> json) {
+    final poll = json['poll'];
+    final loginUrl = json['login'] as String?;
+    final token = poll is Map ? poll['token'] as String? : null;
+    final endpoint = poll is Map ? poll['endpoint'] as String? : null;
+    if (loginUrl == null || loginUrl.isEmpty) {
+      throw const FormatException('login flow init: missing login url');
+    }
+    if (token == null || token.isEmpty || endpoint == null || endpoint.isEmpty) {
+      throw const FormatException('login flow init: missing poll token/endpoint');
+    }
+    return LoginFlowInit(
+      loginUrl: loginUrl,
+      pollToken: token,
+      pollEndpoint: endpoint,
+    );
+  }
+}
+
+/// Credentials returned once the user confirmed the login in the browser.
+class LoginFlowCredentials {
+  final String server;
+  final String loginName;
+  final String appPassword;
+
+  const LoginFlowCredentials({
+    required this.server,
+    required this.loginName,
+    required this.appPassword,
+  });
+
+  factory LoginFlowCredentials.fromJson(Map<String, dynamic> json) {
+    final loginName = json['loginName'] as String?;
+    final appPassword = json['appPassword'] as String?;
+    if (loginName == null || loginName.isEmpty) {
+      throw const FormatException('login flow poll: missing loginName');
+    }
+    if (appPassword == null || appPassword.isEmpty) {
+      throw const FormatException('login flow poll: missing appPassword');
+    }
+    return LoginFlowCredentials(
+      server: json['server'] as String? ?? '',
+      loginName: loginName,
+      appPassword: appPassword,
+    );
+  }
+}

lib/api/marianumcloud/webdav/webdav_api.dart

@@ -7,18 +7,31 @@ import '../../api_response.dart';
 abstract class WebdavApi<T> {
   T genericParams;
 
-  WebdavApi(this.genericParams) {
-    establishWebdavConnection();
-  }
+  WebdavApi(this.genericParams);
 
   Future<ApiResponse> run();
 
-  static Future<WebDavClient> webdav = establishWebdavConnection();
+  static Future<WebDavClient>? _webdav;
+  static String? _webdavSecret;
+
+  /// Shared WebDAV client. Rebuilt whenever the effective Nextcloud secret
+  /// changes (app password minted/renewed, account switch) so it never keeps
+  /// authenticating with stale credentials.
+  static Future<WebDavClient> get webdav {
+    final secret = AccountData().getNextcloudSecret();
+    if (_webdav == null || _webdavSecret != secret) {
+      _webdavSecret = secret;
+      _webdav = establishWebdavConnection();
+    }
+    return _webdav!;
+  }
 
   static Future<WebDavClient> establishWebdavConnection() async =>
       NextcloudClient(
         Uri.parse('https://${EndpointData().nextcloud().full()}'),
-        password: AccountData().getPassword(),
+        // App password preferred — with 2FA the real password is not accepted
+        // by Nextcloud at all (see AccountData.usesLoginFlow).
+        password: AccountData().getNextcloudSecret(),
         loginName: AccountData().getUsername(),
       ).webdav;
 

lib/api/marianumconnect/queries/get_capabilities/get_capabilities_response.dart

@@ -16,9 +16,23 @@ class CapabilitiesResponse {
   @JsonKey(defaultValue: false)
   final bool pushNotifications;
 
+  /// How many days into the past/future the user may view the timetable.
+  /// `null` (absent) means unlimited — the school year alone governs. The
+  /// backend widens both to at least cover the current Mon–Sun week.
+  final int? timetablePastDays;
+
+  final int? timetableFutureDays;
+
+  /// LDAP user type ('TEACHER' | 'STUDENT' | 'STAFF'). Null when the backend
+  /// predates the field or has no LDAP record for the user.
+  final String? userType;
+
   CapabilitiesResponse({
     required this.viewForeignTimetables,
     required this.pushNotifications,
+    this.timetablePastDays,
+    this.timetableFutureDays,
+    this.userType,
   });
 
   factory CapabilitiesResponse.fromJson(Map<String, dynamic> json) =>

lib/api/marianumconnect/queries/get_capabilities/get_capabilities_response.g.dart

@@ -11,6 +11,9 @@ CapabilitiesResponse _$CapabilitiesResponseFromJson(
 ) => CapabilitiesResponse(
   viewForeignTimetables: json['viewForeignTimetables'] as bool? ?? false,
   pushNotifications: json['pushNotifications'] as bool? ?? false,
+  timetablePastDays: (json['timetablePastDays'] as num?)?.toInt(),
+  timetableFutureDays: (json['timetableFutureDays'] as num?)?.toInt(),
+  userType: json['userType'] as String?,
 );
 
 Map<String, dynamic> _$CapabilitiesResponseToJson(
@@ -18,4 +21,7 @@ Map<String, dynamic> _$CapabilitiesResponseToJson(
 ) => <String, dynamic>{
   'viewForeignTimetables': instance.viewForeignTimetables,
   'pushNotifications': instance.pushNotifications,
+  'timetablePastDays': instance.timetablePastDays,
+  'timetableFutureDays': instance.timetableFutureDays,
+  'userType': instance.userType,
 };

lib/app.dart

@@ -18,6 +18,7 @@ import 'routing/app_routes.dart';
 import 'share_intent/share_intent_listener.dart';
 import 'state/app/modules/app_modules.dart';
 import 'state/app/modules/breaker/bloc/breaker_bloc.dart';
+import 'state/app/modules/capabilities/bloc/capabilities_cubit.dart';
 import 'state/app/modules/chat_list/bloc/chat_list_bloc.dart';
 import 'state/app/modules/settings/bloc/settings_cubit.dart';
 import 'state/app/modules/timetable/bloc/timetable_bloc.dart';
@@ -62,7 +63,7 @@ class _AppState extends State<App> with WidgetsBindingObserver {
     _syncChatListPolling();
   }
 
-  void _syncChatListPolling() {
+  void _syncChatListPolling({bool refresh = true}) {
     if (!mounted) return;
     final modules = AppModule.getBottomBarModules(context);
     final talkSlot = modules.indexWhere((m) => m.module == Modules.talk);
@@ -72,7 +73,7 @@ class _AppState extends State<App> with WidgetsBindingObserver {
     bloc.setAutoRefreshInterval(
       talkIsActive ? _chatListActiveInterval : _chatListIdleInterval,
     );
-    if (talkIsActive) bloc.refresh();
+    if (talkIsActive && refresh) bloc.refresh();
   }
 
   // Wall-clock throttle rather than Debouncer.throttle: a Timer does not tick
@@ -103,7 +104,14 @@ class _AppState extends State<App> with WidgetsBindingObserver {
         log('Refreshing due to LifecycleChange');
         NotificationTasks.updateProviders(context);
       });
+      // updateProviders already refreshes the chat list; only re-arm the poll.
+      _syncChatListPolling(refresh: false);
       _handlePendingWidgetNavigation();
+    } else if (mounted) {
+      // Stop polling while backgrounded: a silent refresh failing in the
+      // background would otherwise leave an error that flashes on the next
+      // resume before the foreground refetch replaces it.
+      context.read<ChatListBloc>().setAutoRefreshInterval(null);
     }
   }
 
@@ -166,6 +174,7 @@ class _AppState extends State<App> with WidgetsBindingObserver {
       // Mirror BLoC updates into the home-screen widget without waiting
       // for the periodic background refresh.
       final settingsCubit = context.read<SettingsCubit>();
+      final capabilitiesCubit = context.read<CapabilitiesCubit>();
       _timetableWidgetSync?.cancel();
       _timetableWidgetSync = timetable.stream.listen((state) {
         final data = state.data;
@@ -174,6 +183,7 @@ class _AppState extends State<App> with WidgetsBindingObserver {
             WidgetPublisher.publishFromBlocState(
               data,
               settings: settingsCubit.val(),
+              isTeacher: capabilitiesCubit.isTeacher,
             ),
           );
         }
@@ -185,6 +195,7 @@ class _AppState extends State<App> with WidgetsBindingObserver {
           WidgetPublisher.publishFromBlocState(
             initialData,
             settings: settingsCubit.val(),
+            isTeacher: capabilitiesCubit.isTeacher,
           ),
         );
       }

lib/background/widget_background_task.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:developer';
+import 'dart:io';
 
 import 'package:flutter/widgets.dart';
 import 'package:workmanager/workmanager.dart';
@@ -32,12 +33,20 @@ class WidgetBackgroundTask {
 
   static const Duration periodicFrequency = Duration(minutes: 30);
 
+  /// A snapshot younger than this is considered fresh enough — a second
+  /// trigger within the window (push + periodic slot coinciding) is skipped.
+  static const Duration refreshDebounce = Duration(minutes: 10);
+
   static Future<void> initialize() async {
     await Workmanager().initialize(_callbackDispatcher);
     await Workmanager().registerPeriodicTask(
       periodicTaskName,
       periodicTaskName,
       frequency: periodicFrequency,
+      // iOS ignores `frequency:` and instead uses initialDelay as the
+      // BGAppRefresh earliestBeginDate on every (auto-)resubmission —
+      // without it each completed run is immediately eligible again.
+      initialDelay: Platform.isIOS ? periodicFrequency : Duration.zero,
       constraints: Constraints(networkType: NetworkType.connected),
       existingWorkPolicy: ExistingPeriodicWorkPolicy.keep,
       backoffPolicy: BackoffPolicy.linear,
@@ -45,7 +54,21 @@ class WidgetBackgroundTask {
     );
   }
 
-  static Future<void> requestImmediateRefresh() async {
+  /// Single owner of the platform strategy for "refresh soon": Android
+  /// enqueues a WorkManager one-off (retry + network constraint included),
+  /// iOS runs inline — one-off Workmanager tasks there only execute
+  /// in-process anyway, so the direct call is equivalent and skips the extra
+  /// background engine. [inlineTimeout] bounds the inline path for callers
+  /// with a hard budget (FCM handler).
+  static Future<void> requestImmediateRefresh({
+    bool force = true,
+    Duration? inlineTimeout,
+  }) async {
+    if (Platform.isIOS) {
+      final refresh = runRefreshNow(force: force);
+      await (inlineTimeout == null ? refresh : refresh.timeout(inlineTimeout));
+      return;
+    }
     await Workmanager().registerOneOffTask(
       '$oneOffTaskName-${DateTime.now().millisecondsSinceEpoch}',
       oneOffTaskName,
@@ -54,24 +77,61 @@ class WidgetBackgroundTask {
     );
   }
 
+  /// Shared refresh entry for the periodic worker, push triggers, and login.
+  /// Throws on fetch failure so the worker path can signal a retry.
+  static Future<void> runRefreshNow({bool force = false}) async {
+    await WidgetSync.ensureInitialized();
+    bool populated;
+    try {
+      // Bounded: a hanging keystore read must not stall the caller's budget
+      // (FCM handler ~25s on iOS) forever.
+      populated = await AccountData().waitForPopulation().timeout(
+        const Duration(seconds: 10),
+      );
+    } on TimeoutException {
+      populated = false;
+    }
+    if (!populated) {
+      // Deliberately does NOT flip the widget to logged-out: a failed or slow
+      // keychain read (locked iOS device during the 06:00 silent push) is
+      // indistinguishable from "never logged in" here, and blanking the
+      // widget on a transient failure is worse than keeping the snapshot.
+      // Logout/login manage the flag explicitly (WidgetSync.clear / login).
+      log('[widget-refresh] credentials unavailable, skipping refresh');
+      return;
+    }
+    final fetchedAt = await WidgetSync.getFetchedAt();
+    if (shouldSkipRefresh(fetchedAt: fetchedAt, now: DateTime.now(), force: force)) {
+      log('[widget-refresh] snapshot is fresh, skipping refresh');
+      return;
+    }
+    await _refresh();
+  }
+
   static Future<void> cancelAll() async {
     await Workmanager().cancelAll();
   }
 }
 
+/// Pure debounce decision so it stays unit-testable. A `fetchedAt` in the
+/// future (clock change, debug time shift) never skips — refreshing is the
+/// safe direction.
+bool shouldSkipRefresh({
+  required DateTime? fetchedAt,
+  required DateTime now,
+  required bool force,
+}) {
+  if (force || fetchedAt == null) return false;
+  final age = now.difference(fetchedAt);
+  return !age.isNegative && age < WidgetBackgroundTask.refreshDebounce;
+}
+
 @pragma('vm:entry-point')
 void _callbackDispatcher() {
   Workmanager().executeTask((task, inputData) async {
     try {
       WidgetsFlutterBinding.ensureInitialized();
-      await AccountData().waitForPopulation();
-      if (!AccountData().isPopulated()) {
-        log('[widget-bg] not logged in, skipping refresh');
-        await WidgetSync.setLoggedIn(false);
-        await WidgetSync.triggerUpdate();
-        return true;
-      }
-      await _refresh();
+      await WidgetBackgroundTask.runRefreshNow();
       return true;
     } on Exception catch (e, s) {
       log('[widget-bg] refresh failed: $e', stackTrace: s);
@@ -94,39 +154,51 @@ Future<void> _refresh() async {
   }
 
   final now = WidgetPublisher.widgetNow();
-  // 14-day window so the week-widget rolls forward into next Monday's
-  // lessons on Friday evening.
-  final weekStart = _startOfWeek(now);
-  final weekEndExclusive = weekStart.add(const Duration(days: 14));
+  // Fetch window matches the week payload's window so the widget can roll
+  // forward into next week's lessons without fresh data.
+  final weekStart = WidgetDataMapper.startOfCalendarWeek(now);
+  final weekEndExclusive = weekStart.add(
+    const Duration(days: WidgetDataMapper.weekWindowDays),
+  );
 
-  final timetable = await TimetableGetWeek().run(
+  // All six requests are independent — run them concurrently so the total
+  // latency is the slowest request, not the sum (matters for the push path's
+  // hard time budget). Reference-data failures fall through to null in the
+  // mapper rather than aborting the whole refresh.
+  final timetableFuture = TimetableGetWeek().run(
     from: weekStart,
     until: weekEndExclusive.subtract(const Duration(days: 1)),
   );
-
-  // Reference data — failures fall through to null in the mapper rather
-  // than aborting the whole refresh.
-  final subjects = await _runOrNull<TimetableGetSubjectsResponse>(
+  final subjectsFuture = _runOrNull<TimetableGetSubjectsResponse>(
     () => TimetableGetSubjects().run(),
   );
-  final rooms = await _runOrNull<TimetableGetRoomsResponse>(
+  final roomsFuture = _runOrNull<TimetableGetRoomsResponse>(
     () => TimetableGetRooms().run(),
   );
-  final holidays = await _runOrNull<TimetableGetHolidaysResponse>(
+  final holidaysFuture = _runOrNull<TimetableGetHolidaysResponse>(
     () => TimetableGetHolidays().run(),
   );
-  final timegrid = await _runOrNull<TimetableGetTimegridResponse>(
+  final timegridFuture = _runOrNull<TimetableGetTimegridResponse>(
     () => TimetableGetTimegrid().run(),
   );
-  final customEvents = await _runOrNull<GetCustomTimetableEventResponse>(
+  final customEventsFuture = _runOrNull<GetCustomTimetableEventResponse>(
     () => GetCustomTimetableEvent(
       GetCustomTimetableEventParams(AccountData().getUserSecret()),
     ).run(),
   );
+  final timetable = await timetableFuture;
+  final subjects = await subjectsFuture;
+  final rooms = await roomsFuture;
+  final holidays = await holidaysFuture;
+  final timegrid = await timegridFuture;
+  final customEvents = await customEventsFuture;
 
   final lessons = timetable.entries;
 
-  final connectDouble = await WidgetSync.getConnectDoubleLessons();
+  final [connectDouble, isTeacher] = await Future.wait([
+    WidgetSync.getConnectDoubleLessons(),
+    WidgetSync.getIsTeacher(),
+  ]);
   final dayData = WidgetDataMapper.buildDayData(
     now: now,
     lessons: lessons,
@@ -136,6 +208,7 @@ Future<void> _refresh() async {
     timegrid: timegrid,
     customEvents: customEvents,
     connectDoubleLessons: connectDouble,
+    showClassInsteadOfTeacher: isTeacher,
   );
   final weekData = WidgetDataMapper.buildWeekData(
     now: now,
@@ -146,6 +219,7 @@ Future<void> _refresh() async {
     timegrid: timegrid,
     customEvents: customEvents,
     connectDoubleLessons: connectDouble,
+    showClassInsteadOfTeacher: isTeacher,
   );
 
   await WidgetSync.writeDayData(dayData);
@@ -158,11 +232,6 @@ Future<void> _refresh() async {
   );
 }
 
-DateTime _startOfWeek(DateTime reference) {
-  final monday = reference.subtract(Duration(days: reference.weekday - 1));
-  return DateTime(monday.year, monday.month, monday.day);
-}
-
 Future<T?> _runOrNull<T>(Future<T> Function() task) async {
   try {
     return await task();

lib/model/account_data.dart

@@ -17,6 +17,10 @@ class AccountData {
   // token, so two registrations need two app passwords.
   static const _appPasswordField = 'nextcloud_app_password';
   static const _appPasswordTalkField = 'nextcloud_app_password_talk';
+  // Marks accounts whose Nextcloud credentials came from Login Flow v2 (2FA):
+  // the real password is not valid against Nextcloud, only the flow-issued
+  // app password is — and no further app passwords can be minted silently.
+  static const _loginFlowField = 'nextcloud_login_flow';
   // Persists the demo session across cold starts (see DemoMode).
   static const _demoField = 'is_demo';
   // Keeps isPopulated()/getPassword() valid; demo mode never uses a real one.
@@ -38,10 +42,17 @@ class AccountData {
   String? _appPassword;
   String? _appPasswordTalk;
   bool _isDemo = false;
+  bool _usesLoginFlow = false;
 
   /// True while the active session is a local demo session (see DemoMode).
   bool get isDemo => _isDemo;
 
+  /// True when the Nextcloud credentials were obtained via Login Flow v2
+  /// (browser login, e.g. because the account has two-factor authentication).
+  /// In that mode the stored real password only authenticates MarianumConnect;
+  /// every Nextcloud call must use the flow-issued app password.
+  bool get usesLoginFlow => _usesLoginFlow;
+
   String getUsername() {
     if (_username == null) throw Exception('Username not initialized');
     return _username!;
@@ -86,9 +97,11 @@ class AccountData {
     _appPassword = null;
     _appPasswordTalk = null;
     _isDemo = false;
+    _usesLoginFlow = false;
     await _secureStorage.delete(key: _usernameField);
     await _secureStorage.delete(key: _passwordField);
     await _secureStorage.delete(key: _demoField);
+    await _secureStorage.delete(key: _loginFlowField);
     await _clearAppPasswordStorage();
     await _clearAppPasswordTalkStorage();
   }
@@ -111,6 +124,17 @@ class AccountData {
     await _clearAppPasswordStorage();
   }
 
+  /// Adopts an app password obtained via Login Flow v2 and switches the
+  /// account into flow mode (see [usesLoginFlow]). Any previously stored Talk
+  /// app password belonged to the old session era and is dropped — the second
+  /// (optional) flow pass stores a fresh one via [setAppPasswordTalk].
+  Future<void> setLoginFlow(String appPassword) async {
+    await setAppPassword(appPassword);
+    await clearAppPasswordTalk();
+    _usesLoginFlow = true;
+    await _secureStorage.write(key: _loginFlowField, value: 'true');
+  }
+
   bool hasAppPassword() => _appPassword != null && _appPassword!.isNotEmpty;
 
   /// Persists the app password backing the Talk push registration.
@@ -156,6 +180,7 @@ class AccountData {
     _username = await _secureStorage.read(key: _usernameField);
     _password = await _secureStorage.read(key: _passwordField);
     _isDemo = (await _secureStorage.read(key: _demoField)) == 'true';
+    _usesLoginFlow = (await _secureStorage.read(key: _loginFlowField)) == 'true';
     try {
       _appPassword = await pushSecureStorage.read(key: _appPasswordField);
       _appPasswordTalk = await pushSecureStorage.read(
@@ -209,6 +234,10 @@ class AccountData {
   String getTalkBasicAuthHeader() {
     _requirePopulated();
     if (!hasAppPasswordTalk()) {
+      // Login-flow account whose second (talk) flow pass was skipped: no
+      // silent minting possible, the talk registration shares the single
+      // flow-issued credential.
+      if (_usesLoginFlow && hasAppPassword()) return _basicAuth(_appPassword!);
       throw StateError('Talk app password not available yet');
     }
     return _basicAuth(_appPasswordTalk!);
@@ -222,6 +251,15 @@ class AccountData {
     return _basicAuth(_password!);
   }
 
+  /// Secret authenticating against Nextcloud: the app password once available
+  /// (minted or flow-issued), otherwise the real password. Mirrors the
+  /// preference of [getBasicAuthHeader] for clients that need the raw secret
+  /// (WebDAV client construction).
+  String getNextcloudSecret() {
+    _requirePopulated();
+    return _appPassword ?? _password!;
+  }
+
   void _requirePopulated() {
     if (!isPopulated()) {
       throw Exception(

lib/push/push_message_handler.dart

@@ -3,6 +3,7 @@ import 'dart:developer';
 import 'package:crypton/crypton.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 
+import '../background/widget_background_task.dart';
 import '../notification/notification_service.dart';
 import 'chat_thread_store.dart';
 import 'nid_store.dart';
@@ -12,6 +13,10 @@ import 'push_registration_store.dart';
 import 'push_renderer.dart';
 import 'push_subject.dart';
 
+/// Wire value of the FCM `type` field for silent widget-refresh pushes.
+/// Mirrors PUSH_TYPE_WIDGET_REFRESH in MarianumConnect's MarMobileApiService.
+const String widgetRefreshPushType = 'widget-refresh';
+
 /// How an incoming FCM payload should be interpreted.
 enum PushKind {
   /// Encrypted Nextcloud push-v2 notification (`subject` + `signature`).
@@ -20,6 +25,11 @@ enum PushKind {
   /// Plaintext MarianumConnect direct push (`source == "connect"`).
   connect,
 
+  /// Silent MarianumConnect push requesting a home-widget data refresh
+  /// (`source == "connect"` + `type == "widget-refresh"`). Never rendered,
+  /// processed even with notifications off.
+  widgetRefresh,
+
   /// Neither — ignored.
   unknown,
 }
@@ -31,7 +41,10 @@ PushKind classifyPush(Map<String, dynamic> data) {
   final hasSubject = (data['subject'] as String?)?.isNotEmpty ?? false;
   final hasSignature = (data['signature'] as String?)?.isNotEmpty ?? false;
   if (hasSubject && hasSignature) return PushKind.nextcloud;
-  if (data['source'] == 'connect') return PushKind.connect;
+  if (data['source'] == 'connect') {
+    if (data['type'] == widgetRefreshPushType) return PushKind.widgetRefresh;
+    return PushKind.connect;
+  }
   return PushKind.unknown;
 }
 
@@ -97,11 +110,30 @@ class PushMessageHandler {
           notificationsEnabled: notificationsEnabled,
         );
         break;
+      case PushKind.widgetRefresh:
+        // Deliberately before any notificationsEnabled gate: silent sync
+        // pushes must work with notifications off.
+        await _handleWidgetRefresh();
+        break;
       case PushKind.unknown:
         break;
     }
   }
 
+  Future<void> _handleWidgetRefresh() async {
+    try {
+      // The iOS FCM handler runs in the main isolate with a ~25s APNs
+      // budget — bound the inline refresh below that so the completion
+      // handler always fires in time.
+      await WidgetBackgroundTask.requestImmediateRefresh(
+        force: false,
+        inlineTimeout: const Duration(seconds: 20),
+      );
+    } on Exception catch (e) {
+      log('[push] widget refresh failed: $e');
+    }
+  }
+
   Future<void> _handleConnect(
     RemoteMessage message, {
     required bool foreground,

lib/push/push_registration.dart

@@ -67,6 +67,13 @@ class PushRegistration {
   /// registration binds to it, so it must be obtained before registering.
   Future<void> ensureAppPassword() async {
     if (AccountData().hasAppPassword()) return;
+    if (AccountData().usesLoginFlow) {
+      // Flow-Konten (2FA): Basic Auth mit dem echten Passwort wird abgelehnt,
+      // stilles Minting ist unmöglich. Reparatur nur interaktiv über
+      // Einstellungen → „Nextcloud neu verbinden".
+      log('Push: login-flow account without app password, cannot mint silently');
+      return;
+    }
     try {
       final appPassword = await GetAppPassword().run();
       await AccountData().setAppPassword(appPassword);
@@ -79,6 +86,11 @@ class PushRegistration {
   /// (each `getapppassword` call with the real password mints a fresh one).
   Future<void> ensureTalkAppPassword() async {
     if (AccountData().hasAppPasswordTalk()) return;
+    // Flow-Konten können still kein zweites App-Passwort münzen — das
+    // Talk-Passwort kommt nur aus dem zweiten Login-Flow-Durchlauf; bis dahin
+    // teilt sich die Talk-Registrierung das eine App-Passwort (siehe
+    // AccountData.getTalkBasicAuthHeader).
+    if (AccountData().usesLoginFlow) return;
     try {
       final appPassword = await GetAppPassword().run();
       await AccountData().setAppPasswordTalk(appPassword);
@@ -129,8 +141,19 @@ class PushRegistration {
       appVersion = null;
     }
 
+    final types = registrationTypesFor(
+      usesLoginFlow: AccountData().usesLoginFlow,
+      hasTalkAppPassword: AccountData().hasAppPasswordTalk(),
+    );
+    if (!types.contains(PushRegistrationType.general)) {
+      await _recordAttempt(
+        PushRegistrationType.general,
+        'Ohne zweite Nextcloud-Freigabe nicht verfügbar (nur Talk-Push)',
+      );
+    }
+
     var allOk = true;
-    for (final type in PushRegistrationType.values) {
+    for (final type in types) {
       final ok = await _registerType(
         type: type,
         fcmToken: fcmToken,
@@ -260,6 +283,19 @@ class PushRegistration {
     await _store.clear();
   }
 
+  /// Pure decision which Nextcloud registrations this session can maintain.
+  /// Flow-Konten (2FA), die nur den ersten Login-Flow-Durchlauf abgeschlossen
+  /// haben, besitzen eine einzige NC-Session — Nextcloud bindet pro Session
+  /// genau eine Subscription, also bleibt nur die (wichtigere)
+  /// Talk-Registrierung. Mit dem zweiten (Talk-)App-Passwort aus dem
+  /// optionalen zweiten Durchlauf laufen wieder beide.
+  static List<PushRegistrationType> registrationTypesFor({
+    required bool usesLoginFlow,
+    required bool hasTalkAppPassword,
+  }) => usesLoginFlow && !hasTalkAppPassword
+      ? const [PushRegistrationType.talk]
+      : PushRegistrationType.values;
+
   /// Pure decision for whether a persisted registration endpoint no longer
   /// matches the currently active one. A missing/empty stored value never
   /// forces a re-registration — old installs (pre endpoint-tracking) heal via

lib/routing/app_routes.dart

@@ -18,6 +18,7 @@ import '../state/app/modules/app_modules.dart';
 import '../state/app/modules/chat/bloc/chat_bloc.dart';
 import '../state/app/modules/chat_list/bloc/chat_list_bloc.dart';
 import '../state/app/modules/marianum_message/bloc/marianum_message_state.dart';
+import '../view/login/nextcloud_login_flow_page.dart';
 import '../view/pages/files/files.dart';
 import '../view/pages/files/sharing/sharee_picker_page.dart';
 import '../view/pages/foreign_timetable/element_picker_page.dart';
@@ -114,6 +115,20 @@ class AppRoutes {
     );
   }
 
+  /// Runs the Nextcloud Login Flow v2 (browser login, e.g. for accounts with
+  /// two-factor authentication) and resolves to `true` once an app password
+  /// was adopted. Used from the login flow and the settings "reconnect"
+  /// action.
+  static Future<bool> openNextcloudLoginFlow(BuildContext context) async {
+    final result = await Navigator.of(context).push<bool>(
+      MaterialPageRoute(
+        fullscreenDialog: true,
+        builder: (_) => const NextcloudLoginFlowPage(),
+      ),
+    );
+    return result ?? false;
+  }
+
   /// Opens the tappable, zoomable profile-picture viewer for [id].
   static void openLargeProfilePicture(BuildContext context, String id) {
     Navigator.of(context).push(

lib/state/app/modules/capabilities/bloc/capabilities_cubit.dart

@@ -17,6 +17,14 @@ class CapabilitiesCubit extends HydratedCubit<CapabilitiesState> {
 
   bool get canReceivePushNotifications => state.pushNotifications;
 
+  int? get timetablePastDays => state.timetablePastDays;
+
+  int? get timetableFutureDays => state.timetableFutureDays;
+
+  /// Teacher accounts get the class shown on timetable tiles instead of their
+  /// own name (see TimetableAppointmentFactory.showClassInsteadOfTeacher).
+  bool get isTeacher => state.userType == 'TEACHER';
+
   /// Refreshes capabilities from the server. On any failure (endpoint not yet
   /// live, network error, 4xx) the previously hydrated flags are kept but the
   /// state is marked `loaded` — a failed fetch never silently grants a
@@ -32,6 +40,9 @@ class CapabilitiesCubit extends HydratedCubit<CapabilitiesState> {
         CapabilitiesState(
           viewForeignTimetables: response.viewForeignTimetables,
           pushNotifications: response.pushNotifications,
+          timetablePastDays: response.timetablePastDays,
+          timetableFutureDays: response.timetableFutureDays,
+          userType: response.userType,
           loaded: true,
         ),
       );

lib/state/app/modules/capabilities/bloc/capabilities_state.dart

@@ -8,6 +8,12 @@ abstract class CapabilitiesState with _$CapabilitiesState {
   const factory CapabilitiesState({
     @Default(false) bool viewForeignTimetables,
     @Default(false) bool pushNotifications,
+    // Days into the past/future the timetable may be scrolled. Null = no
+    // client-side clamp; the (server-narrowed) school year alone governs.
+    int? timetablePastDays,
+    int? timetableFutureDays,
+    // LDAP user type ('TEACHER' | 'STUDENT' | 'STAFF'); null = unknown.
+    String? userType,
     // Whether a capability response (or a definitive failure) has been
     // observed at least once this session. Lets the UI distinguish "still
     // unknown" from "confirmed not allowed".

lib/state/app/modules/capabilities/bloc/capabilities_state.freezed.dart

@@ -15,7 +15,10 @@ T _$identity<T>(T value) => value;
 /// @nodoc
 mixin _$CapabilitiesState {
 
- bool get viewForeignTimetables; bool get pushNotifications;// Whether a capability response (or a definitive failure) has been
+ bool get viewForeignTimetables; bool get pushNotifications;// Days into the past/future the timetable may be scrolled. Null = no
+// client-side clamp; the (server-narrowed) school year alone governs.
+ int? get timetablePastDays; int? get timetableFutureDays;// LDAP user type ('TEACHER' | 'STUDENT' | 'STAFF'); null = unknown.
+ String? get userType;// Whether a capability response (or a definitive failure) has been
 // observed at least once this session. Lets the UI distinguish "still
 // unknown" from "confirmed not allowed".
  bool get loaded;
@@ -31,16 +34,16 @@ $CapabilitiesStateCopyWith<CapabilitiesState> get copyWith => _$CapabilitiesStat
 
 @override
 bool operator ==(Object other) {
-  return identical(this, other) || (other.runtimeType == runtimeType&&other is CapabilitiesState&&(identical(other.viewForeignTimetables, viewForeignTimetables) || other.viewForeignTimetables == viewForeignTimetables)&&(identical(other.pushNotifications, pushNotifications) || other.pushNotifications == pushNotifications)&&(identical(other.loaded, loaded) || other.loaded == loaded));
+  return identical(this, other) || (other.runtimeType == runtimeType&&other is CapabilitiesState&&(identical(other.viewForeignTimetables, viewForeignTimetables) || other.viewForeignTimetables == viewForeignTimetables)&&(identical(other.pushNotifications, pushNotifications) || other.pushNotifications == pushNotifications)&&(identical(other.timetablePastDays, timetablePastDays) || other.timetablePastDays == timetablePastDays)&&(identical(other.timetableFutureDays, timetableFutureDays) || other.timetableFutureDays == timetableFutureDays)&&(identical(other.userType, userType) || other.userType == userType)&&(identical(other.loaded, loaded) || other.loaded == loaded));
 }
 
 @JsonKey(includeFromJson: false, includeToJson: false)
 @override
-int get hashCode => Object.hash(runtimeType,viewForeignTimetables,pushNotifications,loaded);
+int get hashCode => Object.hash(runtimeType,viewForeignTimetables,pushNotifications,timetablePastDays,timetableFutureDays,userType,loaded);
 
 @override
 String toString() {
-  return 'CapabilitiesState(viewForeignTimetables: $viewForeignTimetables, pushNotifications: $pushNotifications, loaded: $loaded)';
+  return 'CapabilitiesState(viewForeignTimetables: $viewForeignTimetables, pushNotifications: $pushNotifications, timetablePastDays: $timetablePastDays, timetableFutureDays: $timetableFutureDays, userType: $userType, loaded: $loaded)';
 }
 
 
@@ -51,7 +54,7 @@ abstract mixin class $CapabilitiesStateCopyWith<$Res>  {
   factory $CapabilitiesStateCopyWith(CapabilitiesState value, $Res Function(CapabilitiesState) _then) = _$CapabilitiesStateCopyWithImpl;
 @useResult
 $Res call({
- bool viewForeignTimetables, bool pushNotifications, bool loaded
+ bool viewForeignTimetables, bool pushNotifications, int? timetablePastDays, int? timetableFutureDays, String? userType, bool loaded
 });
 
 
@@ -68,11 +71,14 @@ class _$CapabilitiesStateCopyWithImpl<$Res>
 
 /// Create a copy of CapabilitiesState
 /// with the given fields replaced by the non-null parameter values.
-@pragma('vm:prefer-inline') @override $Res call({Object? viewForeignTimetables = null,Object? pushNotifications = null,Object? loaded = null,}) {
+@pragma('vm:prefer-inline') @override $Res call({Object? viewForeignTimetables = null,Object? pushNotifications = null,Object? timetablePastDays = freezed,Object? timetableFutureDays = freezed,Object? userType = freezed,Object? loaded = null,}) {
   return _then(_self.copyWith(
 viewForeignTimetables: null == viewForeignTimetables ? _self.viewForeignTimetables : viewForeignTimetables // ignore: cast_nullable_to_non_nullable
 as bool,pushNotifications: null == pushNotifications ? _self.pushNotifications : pushNotifications // ignore: cast_nullable_to_non_nullable
-as bool,loaded: null == loaded ? _self.loaded : loaded // ignore: cast_nullable_to_non_nullable
+as bool,timetablePastDays: freezed == timetablePastDays ? _self.timetablePastDays : timetablePastDays // ignore: cast_nullable_to_non_nullable
+as int?,timetableFutureDays: freezed == timetableFutureDays ? _self.timetableFutureDays : timetableFutureDays // ignore: cast_nullable_to_non_nullable
+as int?,userType: freezed == userType ? _self.userType : userType // ignore: cast_nullable_to_non_nullable
+as String?,loaded: null == loaded ? _self.loaded : loaded // ignore: cast_nullable_to_non_nullable
 as bool,
   ));
 }
@@ -158,10 +164,10 @@ return $default(_that);case _:
 /// }
 /// ```
 
-@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( bool viewForeignTimetables,  bool pushNotifications,  bool loaded)?  $default,{required TResult orElse(),}) {final _that = this;
+@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( bool viewForeignTimetables,  bool pushNotifications,  int? timetablePastDays,  int? timetableFutureDays,  String? userType,  bool loaded)?  $default,{required TResult orElse(),}) {final _that = this;
 switch (_that) {
 case _CapabilitiesState() when $default != null:
-return $default(_that.viewForeignTimetables,_that.pushNotifications,_that.loaded);case _:
+return $default(_that.viewForeignTimetables,_that.pushNotifications,_that.timetablePastDays,_that.timetableFutureDays,_that.userType,_that.loaded);case _:
   return orElse();
 
 }
@@ -179,10 +185,10 @@ return $default(_that.viewForeignTimetables,_that.pushNotifications,_that.loaded
 /// }
 /// ```
 
-@optionalTypeArgs TResult when<TResult extends Object?>(TResult Function( bool viewForeignTimetables,  bool pushNotifications,  bool loaded)  $default,) {final _that = this;
+@optionalTypeArgs TResult when<TResult extends Object?>(TResult Function( bool viewForeignTimetables,  bool pushNotifications,  int? timetablePastDays,  int? timetableFutureDays,  String? userType,  bool loaded)  $default,) {final _that = this;
 switch (_that) {
 case _CapabilitiesState():
-return $default(_that.viewForeignTimetables,_that.pushNotifications,_that.loaded);case _:
+return $default(_that.viewForeignTimetables,_that.pushNotifications,_that.timetablePastDays,_that.timetableFutureDays,_that.userType,_that.loaded);case _:
   throw StateError('Unexpected subclass');
 
 }
@@ -199,10 +205,10 @@ return $default(_that.viewForeignTimetables,_that.pushNotifications,_that.loaded
 /// }
 /// ```
 
-@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( bool viewForeignTimetables,  bool pushNotifications,  bool loaded)?  $default,) {final _that = this;
+@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( bool viewForeignTimetables,  bool pushNotifications,  int? timetablePastDays,  int? timetableFutureDays,  String? userType,  bool loaded)?  $default,) {final _that = this;
 switch (_that) {
 case _CapabilitiesState() when $default != null:
-return $default(_that.viewForeignTimetables,_that.pushNotifications,_that.loaded);case _:
+return $default(_that.viewForeignTimetables,_that.pushNotifications,_that.timetablePastDays,_that.timetableFutureDays,_that.userType,_that.loaded);case _:
   return null;
 
 }
@@ -214,11 +220,17 @@ return $default(_that.viewForeignTimetables,_that.pushNotifications,_that.loaded
 @JsonSerializable()
 
 class _CapabilitiesState implements CapabilitiesState {
-  const _CapabilitiesState({this.viewForeignTimetables = false, this.pushNotifications = false, this.loaded = false});
+  const _CapabilitiesState({this.viewForeignTimetables = false, this.pushNotifications = false, this.timetablePastDays, this.timetableFutureDays, this.userType, this.loaded = false});
   factory _CapabilitiesState.fromJson(Map<String, dynamic> json) => _$CapabilitiesStateFromJson(json);
 
 @override@JsonKey() final  bool viewForeignTimetables;
 @override@JsonKey() final  bool pushNotifications;
+// Days into the past/future the timetable may be scrolled. Null = no
+// client-side clamp; the (server-narrowed) school year alone governs.
+@override final  int? timetablePastDays;
+@override final  int? timetableFutureDays;
+// LDAP user type ('TEACHER' | 'STUDENT' | 'STAFF'); null = unknown.
+@override final  String? userType;
 // Whether a capability response (or a definitive failure) has been
 // observed at least once this session. Lets the UI distinguish "still
 // unknown" from "confirmed not allowed".
@@ -237,16 +249,16 @@ Map<String, dynamic> toJson() {
 
 @override
 bool operator ==(Object other) {
-  return identical(this, other) || (other.runtimeType == runtimeType&&other is _CapabilitiesState&&(identical(other.viewForeignTimetables, viewForeignTimetables) || other.viewForeignTimetables == viewForeignTimetables)&&(identical(other.pushNotifications, pushNotifications) || other.pushNotifications == pushNotifications)&&(identical(other.loaded, loaded) || other.loaded == loaded));
+  return identical(this, other) || (other.runtimeType == runtimeType&&other is _CapabilitiesState&&(identical(other.viewForeignTimetables, viewForeignTimetables) || other.viewForeignTimetables == viewForeignTimetables)&&(identical(other.pushNotifications, pushNotifications) || other.pushNotifications == pushNotifications)&&(identical(other.timetablePastDays, timetablePastDays) || other.timetablePastDays == timetablePastDays)&&(identical(other.timetableFutureDays, timetableFutureDays) || other.timetableFutureDays == timetableFutureDays)&&(identical(other.userType, userType) || other.userType == userType)&&(identical(other.loaded, loaded) || other.loaded == loaded));
 }
 
 @JsonKey(includeFromJson: false, includeToJson: false)
 @override
-int get hashCode => Object.hash(runtimeType,viewForeignTimetables,pushNotifications,loaded);
+int get hashCode => Object.hash(runtimeType,viewForeignTimetables,pushNotifications,timetablePastDays,timetableFutureDays,userType,loaded);
 
 @override
 String toString() {
-  return 'CapabilitiesState(viewForeignTimetables: $viewForeignTimetables, pushNotifications: $pushNotifications, loaded: $loaded)';
+  return 'CapabilitiesState(viewForeignTimetables: $viewForeignTimetables, pushNotifications: $pushNotifications, timetablePastDays: $timetablePastDays, timetableFutureDays: $timetableFutureDays, userType: $userType, loaded: $loaded)';
 }
 
 
@@ -257,7 +269,7 @@ abstract mixin class _$CapabilitiesStateCopyWith<$Res> implements $CapabilitiesS
   factory _$CapabilitiesStateCopyWith(_CapabilitiesState value, $Res Function(_CapabilitiesState) _then) = __$CapabilitiesStateCopyWithImpl;
 @override @useResult
 $Res call({
- bool viewForeignTimetables, bool pushNotifications, bool loaded
+ bool viewForeignTimetables, bool pushNotifications, int? timetablePastDays, int? timetableFutureDays, String? userType, bool loaded
 });
 
 
@@ -274,11 +286,14 @@ class __$CapabilitiesStateCopyWithImpl<$Res>
 
 /// Create a copy of CapabilitiesState
 /// with the given fields replaced by the non-null parameter values.
-@override @pragma('vm:prefer-inline') $Res call({Object? viewForeignTimetables = null,Object? pushNotifications = null,Object? loaded = null,}) {
+@override @pragma('vm:prefer-inline') $Res call({Object? viewForeignTimetables = null,Object? pushNotifications = null,Object? timetablePastDays = freezed,Object? timetableFutureDays = freezed,Object? userType = freezed,Object? loaded = null,}) {
   return _then(_CapabilitiesState(
 viewForeignTimetables: null == viewForeignTimetables ? _self.viewForeignTimetables : viewForeignTimetables // ignore: cast_nullable_to_non_nullable
 as bool,pushNotifications: null == pushNotifications ? _self.pushNotifications : pushNotifications // ignore: cast_nullable_to_non_nullable
-as bool,loaded: null == loaded ? _self.loaded : loaded // ignore: cast_nullable_to_non_nullable
+as bool,timetablePastDays: freezed == timetablePastDays ? _self.timetablePastDays : timetablePastDays // ignore: cast_nullable_to_non_nullable
+as int?,timetableFutureDays: freezed == timetableFutureDays ? _self.timetableFutureDays : timetableFutureDays // ignore: cast_nullable_to_non_nullable
+as int?,userType: freezed == userType ? _self.userType : userType // ignore: cast_nullable_to_non_nullable
+as String?,loaded: null == loaded ? _self.loaded : loaded // ignore: cast_nullable_to_non_nullable
 as bool,
   ));
 }

lib/state/app/modules/capabilities/bloc/capabilities_state.g.dart

@@ -10,6 +10,9 @@ _CapabilitiesState _$CapabilitiesStateFromJson(Map<String, dynamic> json) =>
     _CapabilitiesState(
       viewForeignTimetables: json['viewForeignTimetables'] as bool? ?? false,
       pushNotifications: json['pushNotifications'] as bool? ?? false,
+      timetablePastDays: (json['timetablePastDays'] as num?)?.toInt(),
+      timetableFutureDays: (json['timetableFutureDays'] as num?)?.toInt(),
+      userType: json['userType'] as String?,
       loaded: json['loaded'] as bool? ?? false,
     );
 
@@ -17,5 +20,8 @@ Map<String, dynamic> _$CapabilitiesStateToJson(_CapabilitiesState instance) =>
     <String, dynamic>{
       'viewForeignTimetables': instance.viewForeignTimetables,
       'pushNotifications': instance.pushNotifications,
+      'timetablePastDays': instance.timetablePastDays,
+      'timetableFutureDays': instance.timetableFutureDays,
+      'userType': instance.userType,
       'loaded': instance.loaded,
     };

lib/view/login/login_controller.dart

@@ -1,4 +1,3 @@
-import 'dart:async';
 import 'dart:developer';
 
 import 'package:flutter/foundation.dart';
@@ -6,13 +5,29 @@ import 'package:flutter/foundation.dart';
 import '../../api/demo/demo_mode.dart';
 import '../../api/errors/auth_exception.dart';
 import '../../api/errors/error_mapper.dart';
+import '../../api/marianumcloud/app_password/get_app_password.dart';
 import '../../api/marianumconnect/auth/device_token_name.dart';
 import '../../api/marianumconnect/auth/token_storage.dart';
 import '../../api/marianumconnect/queries/auth_login/auth_login.dart';
+import '../../api/marianumconnect/queries/auth_logout/auth_logout.dart';
 import '../../model/account_data.dart';
-import '../../push/push_registration.dart';
 import '../../widget_data/widget_sync.dart';
 
+/// Outcome of a login attempt.
+enum LoginResult {
+  /// Fully logged in — the view transitions to `loggedIn`.
+  success,
+
+  /// Credentials rejected or a transport problem; the error is exposed via
+  /// [LoginController.errorMessage].
+  failure,
+
+  /// MarianumConnect accepted the credentials, but Nextcloud rejects them
+  /// (two-factor authentication active or diverging password). The view must
+  /// complete the Nextcloud Login Flow v2 in the browser before proceeding.
+  nextcloudLoginRequired,
+}
+
 /// Owns the login flow's transient state (loading, last error) so it can be
 /// driven from a thin Stateful view and unit-tested without a widget tree.
 class LoginController extends ChangeNotifier {
@@ -24,10 +39,8 @@ class LoginController extends ChangeNotifier {
   String? get errorMessage => _errorMessage;
   String? get errorDetails => _errorDetails;
 
-  /// Returns `true` when the credential probe succeeded. The view should
-  /// then transition the AccountBloc to `loggedIn`.
-  Future<bool> submit(String username, String password) async {
-    if (_loading) return false;
+  Future<LoginResult> submit(String username, String password) async {
+    if (_loading) return LoginResult.failure;
     _loading = true;
     _errorMessage = null;
     _errorDetails = null;
@@ -45,7 +58,7 @@ class LoginController extends ChangeNotifier {
       await AccountData().setDemo(user);
       _loading = false;
       notifyListeners();
-      return true;
+      return LoginResult.success;
     }
 
     try {
@@ -65,13 +78,13 @@ class LoginController extends ChangeNotifier {
         tokenName: await DeviceTokenName.resolve(),
       );
       await AccountData().setData(user, password);
-      // Mint the Nextcloud app password now so it's ready for the push
-      // registration and subsequent NC calls. Non-blocking: on failure push
-      // stays off and retries on the next start.
-      unawaited(PushRegistration().ensureAppPassword());
+      // Mint the Nextcloud app password now — it doubles as the Nextcloud
+      // credential probe: a rejection means 2FA is active (or the NC password
+      // diverges) and the login must finish interactively in the browser.
+      final ncReady = await _prepareNextcloudAppPassword();
       _loading = false;
       notifyListeners();
-      return true;
+      return ncReady ? LoginResult.success : LoginResult.nextcloudLoginRequired;
     } catch (e) {
       log(e.toString());
       await AccountData().removeData();
@@ -83,7 +96,41 @@ class LoginController extends ChangeNotifier {
       _errorDetails = errorToTechnicalDetails(e);
       _loading = false;
       notifyListeners();
-      return false;
+      return LoginResult.failure;
     }
   }
+
+  /// Tries to mint the Nextcloud app password with the just-verified password.
+  /// `false` = Nextcloud rejected the credentials → Login Flow v2 required.
+  /// Transport/server problems stay non-blocking (like the previous
+  /// fire-and-forget mint): the mint retries with the push registration.
+  Future<bool> _prepareNextcloudAppPassword() async {
+    try {
+      final appPassword = await GetAppPassword().run();
+      await AccountData().setAppPassword(appPassword);
+      return true;
+    } on AuthException {
+      return false;
+    } on Object catch (e) {
+      log('Nextcloud app password mint failed (non-blocking): $e');
+      return true;
+    }
+  }
+
+  /// Rolls the half-finished login back after the user cancelled the
+  /// Nextcloud browser login: revoke the fresh MarianumConnect token and wipe
+  /// the stored credentials, then surface why the login did not complete.
+  Future<void> abortNextcloudLogin() async {
+    try {
+      await AuthLogout().run();
+    } on Object catch (e) {
+      log('Login rollback: MC logout failed: $e');
+    }
+    await AccountData().removeData();
+    await const MarianumConnectTokenStorage().clear();
+    _errorMessage =
+        'Die Anmeldung wurde abgebrochen — dein Konto erfordert die Bestätigung im Browser.';
+    _errorDetails = null;
+    notifyListeners();
+  }
 }

lib/view/login/nextcloud_login_flow_page.dart

@@ -0,0 +1,281 @@
+import 'dart:async';
+import 'dart:convert';
+import 'dart:developer';
+
+import 'package:flutter/material.dart';
+
+import '../../api/errors/error_mapper.dart';
+import '../../api/marianumcloud/app_password/delete_app_password.dart';
+import '../../api/marianumcloud/login_flow/login_flow_api.dart';
+import '../../model/account_data.dart';
+import '../../routing/app_routes.dart';
+import '../../widget/app_progress_indicator.dart';
+
+/// Die beiden Durchläufe des Login Flow v2: Der erste liefert das allgemeine
+/// App-Passwort (voller Browser-Login inkl. 2FA), der zweite das
+/// Talk-App-Passwort für die zweite Push-Subscription — der Browser hat dann
+/// bereits eine Session, es bleibt nur der „Zugriff gewähren"-Tipp.
+enum _FlowStep { primary, talk }
+
+/// Runs the Nextcloud Login Flow v2: opens the browser login, polls until the
+/// user confirmed it there (2FA happens inside the browser) and adopts the
+/// returned app password via [AccountData.setLoginFlow]. A second, skippable
+/// pass mints the Talk app password so flow accounts keep BOTH push
+/// subscriptions (see PushRegistrationType). Pops `true` once the primary
+/// credential was adopted, `false`/`null` when the user backs out before that.
+class NextcloudLoginFlowPage extends StatefulWidget {
+  const NextcloudLoginFlowPage({super.key});
+
+  @override
+  State<NextcloudLoginFlowPage> createState() => _NextcloudLoginFlowPageState();
+}
+
+class _NextcloudLoginFlowPageState extends State<NextcloudLoginFlowPage>
+    with WidgetsBindingObserver {
+  static const _pollInterval = Duration(seconds: 3);
+  // Serverseitig verfällt der Flow-Token nach 20 Minuten — danach würde der
+  // Poll für immer 404 liefern, also vorher mit klarer Meldung abbrechen.
+  static const _flowTimeout = Duration(minutes: 15);
+
+  final LoginFlowApi _api = LoginFlowApi();
+  _FlowStep _step = _FlowStep.primary;
+  LoginFlowInit? _flow;
+  Timer? _timer;
+  DateTime? _startedAt;
+  bool _polling = false;
+  bool _finished = false;
+  String? _error;
+
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addObserver(this);
+    unawaited(_start());
+  }
+
+  @override
+  void dispose() {
+    WidgetsBinding.instance.removeObserver(this);
+    _timer?.cancel();
+    super.dispose();
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    // Der Nutzer kommt gerade aus dem Browser zurück — sofort pollen statt
+    // bis zu einem Intervall zu warten.
+    if (state == AppLifecycleState.resumed) unawaited(_poll());
+  }
+
+  Future<void> _start() async {
+    _timer?.cancel();
+    setState(() {
+      _error = null;
+      _flow = null;
+    });
+    try {
+      final flow = await _api.start();
+      if (!mounted) return;
+      setState(() => _flow = flow);
+      _startedAt = DateTime.now();
+      _timer = Timer.periodic(_pollInterval, (_) => _poll());
+      unawaited(AppRoutes.openExternalUrl(flow.loginUrl));
+    } catch (e) {
+      if (!mounted) return;
+      setState(() => _error = errorToUserMessage(e));
+    }
+  }
+
+  Future<void> _poll() async {
+    final flow = _flow;
+    if (flow == null || _polling || _finished || _error != null) return;
+    final startedAt = _startedAt;
+    if (startedAt != null &&
+        DateTime.now().difference(startedAt) > _flowTimeout) {
+      _timer?.cancel();
+      setState(
+        () => _error =
+            'Zeitüberschreitung — die Anmeldung im Browser wurde nicht abgeschlossen.',
+      );
+      return;
+    }
+    _polling = true;
+    try {
+      final credentials = await _api.poll(flow);
+      if (credentials == null || _finished || !mounted) return;
+      if (!LoginFlowApi.loginNameMatches(
+        expected: AccountData().getUsername(),
+        actual: credentials.loginName,
+      )) {
+        _timer?.cancel();
+        // Das versehentlich für das fremde Konto ausgestellte App-Passwort
+        // nicht liegen lassen.
+        unawaited(_revokeForeignAppPassword(credentials));
+        setState(
+          () => _error =
+              'Im Browser wurde ein anderes Konto angemeldet („${credentials.loginName}“). '
+              'Bitte versuche es erneut mit deinem Konto.',
+        );
+        return;
+      }
+      switch (_step) {
+        case _FlowStep.primary:
+          await AccountData().setLoginFlow(credentials.appPassword);
+          if (!mounted) return;
+          // Zweite Freigabe direkt anstoßen: die Browser-Session besteht
+          // bereits, es fehlt nur noch der Grant-Tipp.
+          setState(() => _step = _FlowStep.talk);
+          unawaited(_start());
+        case _FlowStep.talk:
+          _finished = true;
+          _timer?.cancel();
+          await AccountData().setAppPasswordTalk(credentials.appPassword);
+          if (!mounted) return;
+          Navigator.of(context).pop(true);
+      }
+    } on Object catch (e) {
+      // Transienter Poll-Fehler (z.B. kurz offline) — der nächste Tick
+      // versucht es erneut.
+      log('Login flow poll failed (retrying): $e');
+    } finally {
+      _polling = false;
+    }
+  }
+
+  /// Der Talk-Schritt ist optional: ohne zweites App-Passwort funktioniert
+  /// alles außer den allgemeinen Nextcloud-Pushes (Talk-Push bleibt erhalten).
+  void _skipTalkStep() {
+    _finished = true;
+    _timer?.cancel();
+    Navigator.of(context).pop(true);
+  }
+
+  static Future<void> _revokeForeignAppPassword(
+    LoginFlowCredentials credentials,
+  ) async {
+    try {
+      final basic = base64Encode(
+        utf8.encode('${credentials.loginName}:${credentials.appPassword}'),
+      );
+      await DeleteAppPassword().run(authorizationHeader: 'Basic $basic');
+    } on Object catch (e) {
+      log('Login flow: could not revoke foreign app password: $e');
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final flow = _flow;
+    final error = _error;
+    final isTalkStep = _step == _FlowStep.talk;
+    // Ab dem Talk-Schritt ist das primäre App-Passwort bereits übernommen —
+    // Zurück heißt dann „überspringen" (pop true), nicht „Login abbrechen":
+    // die Aufrufer würden bei false den kompletten Login zurückrollen.
+    return PopScope(
+      canPop: !isTalkStep,
+      onPopInvokedWithResult: (didPop, _) {
+        if (!didPop && !_finished) _skipTalkStep();
+      },
+      child: Scaffold(
+        appBar: AppBar(title: const Text('Nextcloud-Anmeldung')),
+        body: SafeArea(
+          child: Center(
+            child: SingleChildScrollView(
+              padding: const EdgeInsets.all(24),
+              child: ConstrainedBox(
+                constraints: const BoxConstraints(maxWidth: 420),
+                child: Column(
+                  mainAxisSize: MainAxisSize.min,
+                  crossAxisAlignment: CrossAxisAlignment.stretch,
+                  children: [
+                    Icon(
+                      isTalkStep
+                          ? Icons.notifications_active_outlined
+                          : Icons.verified_user_outlined,
+                      size: 56,
+                      color: theme.colorScheme.primary,
+                    ),
+                    const SizedBox(height: 16),
+                    Text(
+                      isTalkStep
+                          ? 'Fast geschafft!'
+                          : 'Bestätigung erforderlich',
+                      textAlign: TextAlign.center,
+                      style: theme.textTheme.titleLarge?.copyWith(
+                        fontWeight: FontWeight.w600,
+                      ),
+                    ),
+                    const SizedBox(height: 8),
+                    Text(
+                      isTalkStep
+                          ? 'Damit Benachrichtigungen vollständig ankommen, braucht '
+                                'die App eine zweite Freigabe. Du bist im Browser '
+                                'bereits angemeldet — es genügt ein Tipp auf '
+                                '„Zugriff gewähren“.'
+                          : 'Dein Konto ist zusätzlich geschützt (z.B. durch '
+                                'Zwei-Faktor-Authentifizierung). Schließe die '
+                                'Anmeldung im Browser ab — danach geht es hier '
+                                'automatisch weiter.',
+                      textAlign: TextAlign.center,
+                      style: theme.textTheme.bodyMedium?.copyWith(
+                        color: theme.colorScheme.onSurfaceVariant,
+                      ),
+                    ),
+                    const SizedBox(height: 24),
+                    if (error != null) ...[
+                      Text(
+                        error,
+                        textAlign: TextAlign.center,
+                        style: TextStyle(color: theme.colorScheme.error),
+                      ),
+                      const SizedBox(height: 16),
+                      FilledButton(
+                        onPressed: _start,
+                        child: const Text('Erneut versuchen'),
+                      ),
+                    ] else if (flow == null) ...[
+                      const Center(child: AppProgressIndicator.medium()),
+                    ] else ...[
+                      FilledButton.icon(
+                        icon: const Icon(Icons.open_in_browser),
+                        onPressed: () =>
+                            unawaited(AppRoutes.openExternalUrl(flow.loginUrl)),
+                        label: Text(
+                          isTalkStep
+                              ? 'Freigabe im Browser bestätigen'
+                              : 'Anmeldung im Browser öffnen',
+                        ),
+                      ),
+                      const SizedBox(height: 20),
+                      Row(
+                        mainAxisAlignment: MainAxisAlignment.center,
+                        children: [
+                          const AppProgressIndicator.small(),
+                          const SizedBox(width: 10),
+                          Text(
+                            'Warte auf Bestätigung im Browser…',
+                            style: theme.textTheme.bodySmall?.copyWith(
+                              color: theme.colorScheme.onSurfaceVariant,
+                            ),
+                          ),
+                        ],
+                      ),
+                    ],
+                    if (isTalkStep) ...[
+                      const SizedBox(height: 12),
+                      TextButton(
+                        onPressed: _skipTalkStep,
+                        child: const Text('Überspringen'),
+                      ),
+                    ],
+                  ],
+                ),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/view/login/widgets/login_card.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 
+import '../../../routing/app_routes.dart';
 import '../login_controller.dart';
 import 'login_error_banner.dart';
 
@@ -51,11 +52,27 @@ class _LoginCardState extends State<LoginCard> {
   Future<void> _submit() async {
     if (widget.controller.loading) return;
     if (!(_formKey.currentState?.validate() ?? false)) return;
-    final ok = await widget.controller.submit(
+    final result = await widget.controller.submit(
       _usernameController.text,
       _passwordController.text,
     );
-    if (ok && mounted) widget.onSuccess();
+    if (!mounted) return;
+    switch (result) {
+      case LoginResult.success:
+        widget.onSuccess();
+      case LoginResult.nextcloudLoginRequired:
+        // 2FA (oder abweichendes NC-Passwort): Anmeldung im Browser über den
+        // Login Flow v2 abschließen; ohne Erfolg wird der Login zurückgerollt.
+        final ok = await AppRoutes.openNextcloudLoginFlow(context);
+        if (!mounted) return;
+        if (ok) {
+          widget.onSuccess();
+        } else {
+          await widget.controller.abortNextcloudLogin();
+        }
+      case LoginResult.failure:
+        break;
+    }
   }
 
   InputDecoration _decoration(ThemeData theme, String label, IconData icon) =>

lib/view/pages/settings/sections/account_section.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 
@@ -167,10 +169,35 @@ class _AccountSectionState extends State<AccountSection> {
             ],
           ),
         ),
+        // Nur für Login-Flow-Konten (2FA) sichtbar — Passwort-Konten heilen
+        // sich still über das App-Passwort-Minting und sollen von dem ganzen
+        // Flow-Mechanismus nichts mitbekommen.
+        if (!AccountData().isDemo && AccountData().usesLoginFlow)
+          AsyncListTile(
+            leading: const Icon(Icons.cloud_sync_outlined),
+            title: const Text('Nextcloud neu verbinden'),
+            subtitle: const Text(
+              'Bei Anmeldeproblemen in Talk oder Dateien',
+            ),
+            closeOnSuccess: false,
+            onPressed: _reconnectNextcloud,
+          ),
       ],
     );
   }
 
+  /// Erneuert die Nextcloud-Zugangsdaten über den Login Flow v2 (inkl. des
+  /// zweiten Talk-Durchlaufs) und bindet die Push-Subscription neu.
+  Future<void> _reconnectNextcloud() async {
+    final ok = await AppRoutes.openNextcloudLoginFlow(context);
+    if (!ok || !mounted) return;
+    // Neues App-Passwort = neue NC-Session: die Push-Subscription neu binden.
+    unawaited(PushRegistration().register());
+    ScaffoldMessenger.of(context).showSnackBar(
+      const SnackBar(content: Text('Nextcloud-Verbindung erneuert.')),
+    );
+  }
+
   Future<void> _showLogoutDialog(BuildContext context) async {
     // Flip AccountBloc state only after the dialog fully closes: doing it from
     // inside removeData (the previous approach) raced AsyncDialogAction's

lib/view/pages/timetable/data/lesson_labels.dart

@@ -0,0 +1,19 @@
+import '../../../../api/marianumconnect/queries/timetable_get_week/timetable_get_week_response.dart';
+
+final RegExp _whitespaceRun = RegExp(r'\s+');
+
+/// Collapses any line-break or whitespace run to a single space and trims.
+/// Returns null when input is null or fully whitespace. Webuntis sometimes
+/// returns multi-line values like "A30\n4" — this normalizes those so labels
+/// render on a single line.
+String? collapseWhitespace(String? s) {
+  if (s == null) return null;
+  final cleaned = s.replaceAll(_whitespaceRun, ' ').trim();
+  return cleaned.isEmpty ? null : cleaned;
+}
+
+/// "7a, 7b" — shared by the calendar tile factory and the home-widget mapper
+/// so both surfaces render identical class labels on teacher plans.
+extension LessonClassLabel on McTimetableEntry {
+  String? get classLabel => collapseWhitespace(classNames.join(', '));
+}

lib/view/pages/timetable/data/lesson_merger.dart

@@ -1,3 +1,5 @@
+import 'package:flutter/foundation.dart';
+
 import '../../../../api/marianumconnect/queries/timetable_get_week/timetable_get_week_response.dart';
 
 /// Combines back-to-back lessons with identical subject/room/teacher/status
@@ -44,6 +46,9 @@ class LessonMerger {
         b.teachers.firstOrNull?.shortName) {
       return false;
     }
+    // Relevant für Lehrerpläne: gleicher Lehrer/Fach/Raum, aber verschiedene
+    // Klassen dürfen nicht zu einem Block verschmelzen.
+    if (!listEquals(a.classNames, b.classNames)) return false;
     if (a.status != b.status) return false;
     // Lower bound on the gap — without it, two identical-metadata lessons that
     // overlap in time would silently collapse into one.

lib/view/pages/timetable/data/timetable_appointment_factory.dart

@@ -8,6 +8,7 @@ import '../../../../api/mhsl/custom_timetable_event/custom_timetable_event.dart'
 import '../../../../storage/timetable_settings.dart';
 import 'arbitrary_appointment.dart';
 import 'lesson_color.dart';
+import 'lesson_labels.dart';
 import 'lesson_merger.dart';
 import 'lesson_status.dart';
 import 'lesson_type_label.dart';
@@ -23,6 +24,10 @@ class TimetableAppointmentFactory {
   final TimetableSettings settings;
   final DateTime now;
 
+  /// Teacher plans (a teacher's own plan or a foreign teacher view) show the
+  /// class on the tile instead of the teacher's own name.
+  final bool showClassInsteadOfTeacher;
+
   TimetableAppointmentFactory({
     required this.lessons,
     required this.customEvents,
@@ -30,6 +35,7 @@ class TimetableAppointmentFactory {
     required this.settings,
     required this.now,
     this.holidays = const [],
+    this.showClassInsteadOfTeacher = false,
   });
 
   List<Appointment> build() {
@@ -130,7 +136,7 @@ class TimetableAppointmentFactory {
       location: event.description.trim().isEmpty
           ? null
           : event.description.trim(),
-      subject: _collapseWhitespace(event.title) ?? event.title,
+      subject: collapseWhitespace(event.title) ?? event.title,
       recurrenceRule: parsed.rule,
       recurrenceExceptionDates: exceptionDates.isEmpty ? null : exceptionDates,
       color:
@@ -222,7 +228,7 @@ class TimetableAppointmentFactory {
         TimetableNameMode.longName => lookup?.longName ?? subjectShort,
         TimetableNameMode.alternateName => lookup?.longName ?? subjectShort,
       };
-      final collapsed = _collapseWhitespace(name);
+      final collapsed = collapseWhitespace(name);
       if (collapsed != null) return collapsed;
     }
     // Subject leer → Titel aus dem Lesson-Type ableiten. Pausenaufsicht etc.
@@ -233,10 +239,13 @@ class TimetableAppointmentFactory {
 
   String _locationLabel(McTimetableEntry lesson) {
     final roomName =
-        _collapseWhitespace(lesson.rooms.firstOrNull) ?? 'Unbekannt';
-    final teacherName =
-        _teacherLabel(lesson.teachers.firstOrNull) ?? 'Unbekannt';
-    return '$roomName\n$teacherName';
+        collapseWhitespace(lesson.rooms.firstOrNull) ?? 'Unbekannt';
+    // Klassenlose Einträge (Aufsichten etc.) fallen auf den Lehrer zurück.
+    final secondLine =
+        (showClassInsteadOfTeacher ? lesson.classLabel : null) ??
+        _teacherLabel(lesson.teachers.firstOrNull) ??
+        'Unbekannt';
+    return '$roomName\n$secondLine';
   }
 
   /// Backend serves teachers with their full display name ("Stefan Müller"),
@@ -245,27 +254,11 @@ class TimetableAppointmentFactory {
   /// overview; the detail sheet still renders the full name as a subtitle.
   static String? _teacherLabel(McTimetableTeacher? teacher) {
     if (teacher == null) return null;
-    final display = _collapseWhitespace(teacher.displayName);
+    final display = collapseWhitespace(teacher.displayName);
     if (display != null && display.isNotEmpty) {
       final parts = display.split(' ');
       return parts.isEmpty ? display : parts.last;
     }
-    return _collapseWhitespace(teacher.shortName);
-  }
-
-  /// Collapses any line-break or whitespace run to a single space and trims.
-  /// Returns null when input is null or fully whitespace. Webuntis sometimes
-  /// returns multi-line room names like "A30\n4" — this normalizes those so
-  /// the tile renders the room on a single line.
-  static String? _collapseWhitespace(String? s) {
-    if (s == null) return null;
-    final cleaned = s
-        .replaceAll('\r\n', ' ')
-        .replaceAll('\n', ' ')
-        .replaceAll('\r', ' ')
-        .replaceAll('\t', ' ')
-        .replaceAll(RegExp(r'\s+'), ' ')
-        .trim();
-    return cleaned.isEmpty ? null : cleaned;
+    return collapseWhitespace(teacher.shortName);
   }
 }

lib/view/pages/timetable/timetable.dart

@@ -101,9 +101,8 @@ class _TimetableState extends State<Timetable> {
     final loadableState = context.watch<TimetableBloc>().state;
     final innerState = loadableState.data;
     final atToday = innerState != null && _isOnInitialWeek(innerState);
-    final canViewForeign = context
-        .watch<CapabilitiesCubit>()
-        .canViewForeignTimetables;
+    final capabilities = context.watch<CapabilitiesCubit>();
+    final canViewForeign = capabilities.canViewForeignTimetables;
     return Scaffold(
       appBar: AppBar(
         // Der Kalender scrollt nicht (nur ziehen/reloaden), aber seine internen
@@ -166,6 +165,7 @@ class _TimetableState extends State<Timetable> {
           ),
           onCreateEvent: _onCreateEventAt,
           customEvents: state.customEvents?.events ?? const [],
+          showClassInsteadOfTeacher: capabilities.isTeacher,
         ),
       ),
     );
@@ -217,6 +217,8 @@ class _TimetableState extends State<Timetable> {
                 onAppointmentTap: (apt) =>
                     AppointmentDetailsDispatcher.show(context, state, apt),
                 customEvents: const [],
+                showClassInsteadOfTeacher:
+                    selected.type == TimetableElementType.teacher,
               ),
             ),
           ),

lib/view/pages/timetable/widgets/timetable_calendar_view.dart

@@ -4,6 +4,7 @@ import 'package:syncfusion_flutter_calendar/calendar.dart';
 
 import '../../../../api/mhsl/custom_timetable_event/custom_timetable_event.dart';
 import '../../../../extensions/date_time.dart';
+import '../../../../state/app/modules/capabilities/bloc/capabilities_cubit.dart';
 import '../../../../state/app/modules/settings/bloc/settings_cubit.dart';
 import '../../../../state/app/modules/timetable/bloc/timetable_state.dart';
 import '../../../../storage/timetable_settings.dart';
@@ -27,6 +28,10 @@ class TimetableCalendarView extends StatefulWidget {
   final void Function(DateTime start, DateTime end)? onCreateEvent;
   final List<CustomTimetableEvent> customEvents;
 
+  /// True for teacher plans — tiles then show the class instead of the
+  /// teacher name (see [TimetableAppointmentFactory.showClassInsteadOfTeacher]).
+  final bool showClassInsteadOfTeacher;
+
   const TimetableCalendarView({
     super.key,
     required this.state,
@@ -34,6 +39,7 @@ class TimetableCalendarView extends StatefulWidget {
     required this.onAppointmentTap,
     this.onCreateEvent,
     this.customEvents = const [],
+    this.showClassInsteadOfTeacher = false,
   });
 
   @override
@@ -45,9 +51,9 @@ class TimetableCalendarViewState extends State<TimetableCalendarView> {
       GlobalKey<CustomWorkWeekCalendarState>();
 
   List<Appointment>? _cachedAppointments;
-  int? _lastDataVersion;
-  TimetableSettings? _lastTimetableSettings;
-  List<CustomTimetableEvent>? _lastCustomEvents;
+  // TimetableSettings and List define no `==`, so record equality degrades to
+  // the same identity checks the cache always used.
+  (int, TimetableSettings, List<CustomTimetableEvent>, bool)? _cacheKey;
 
   DateTime _initialDisplayDate() => DateTime.now().addDays(2);
 
@@ -62,15 +68,16 @@ class TimetableCalendarViewState extends State<TimetableCalendarView> {
         .watch<SettingsCubit>()
         .val()
         .timetableSettings;
-    if (_cachedAppointments != null &&
-        _lastDataVersion == state.dataVersion &&
-        identical(_lastTimetableSettings, timetableSettings) &&
-        identical(_lastCustomEvents, widget.customEvents)) {
+    final key = (
+      state.dataVersion,
+      timetableSettings,
+      widget.customEvents,
+      widget.showClassInsteadOfTeacher,
+    );
+    if (_cachedAppointments != null && _cacheKey == key) {
       return _cachedAppointments!;
     }
-    _lastDataVersion = state.dataVersion;
-    _lastTimetableSettings = timetableSettings;
-    _lastCustomEvents = widget.customEvents;
+    _cacheKey = key;
 
     return _cachedAppointments = TimetableAppointmentFactory(
       lessons: state.getAllKnownLessons().toList(),
@@ -79,6 +86,7 @@ class TimetableCalendarViewState extends State<TimetableCalendarView> {
       holidays: state.schoolHolidays?.result ?? const [],
       settings: timetableSettings,
       now: DateTime.now(),
+      showClassInsteadOfTeacher: widget.showClassInsteadOfTeacher,
     ).build();
   }
 
@@ -105,7 +113,12 @@ class TimetableCalendarViewState extends State<TimetableCalendarView> {
       disabledColor: Theme.of(context).disabledColor,
     ).build();
 
-    final (minDate, maxDate) = _scrollBounds(state);
+    final capabilities = context.watch<CapabilitiesCubit>();
+    final (minDate, maxDate) = _scrollBounds(
+      state,
+      pastDays: capabilities.timetablePastDays,
+      futureDays: capabilities.timetableFutureDays,
+    );
 
     return CustomWorkWeekCalendar(
       key: _calendarKey,
@@ -122,17 +135,21 @@ class TimetableCalendarViewState extends State<TimetableCalendarView> {
     );
   }
 
-  /// Hard caps applied on top of whatever Webuntis would allow. Even if the
-  /// school year (or a stale persisted bound) would let the user scroll
-  /// further, we never expose more than this much around the current week.
-  static const int _maxWeeksBack = 4;
-  static const int _maxWeeksForward = 2;
-
   /// Returns the (minDate, maxDate) the user is allowed to scroll between.
-  /// Starts from the Webuntis school year (or a tight window when that hasn't
-  /// loaded yet), tightens by anything the bloc has learned from past denials,
-  /// and finally clamps to a fixed window around today.
-  (DateTime, DateTime) _scrollBounds(TimetableState state) {
+  /// Starts from the (server-narrowed) Webuntis school year — or a tight window
+  /// when that hasn't loaded yet —, tightens by anything the bloc has learned
+  /// from past denials, and finally clamps to the window Connect grants via
+  /// [CapabilitiesCubit.timetablePastDays]/[CapabilitiesCubit.timetableFutureDays].
+  ///
+  /// The capability clamp mirrors the server: `null` means unlimited (no client
+  /// clamp at all), and a given day count is widened to at least cover the
+  /// current Mon–Sun week — so the two windows always coincide and the clamp
+  /// can never invert.
+  (DateTime, DateTime) _scrollBounds(
+    TimetableState state, {
+    required int? pastDays,
+    required int? futureDays,
+  }) {
     final year = state.schoolyear;
     final DateTime baseMin;
     final DateTime baseMax;
@@ -154,39 +171,43 @@ class TimetableCalendarViewState extends State<TimetableCalendarView> {
               ? state.accessibleEndDate!
               : baseMax)
         : baseMax;
-    final todayMonday = _mondayOf(DateTime.now());
-    final cappedMin = effectiveMin.isBefore(
-      todayMonday.subtractDays(_maxWeeksBack * 7),
-    )
-        ? todayMonday.subtractDays(_maxWeeksBack * 7)
+    final today = _startOfDay(DateTime.now());
+    final todayMonday = _mondayOf(today);
+    final currentWeekEnd = todayMonday.addDays(DateTime.daysPerWeek - 1);
+    final capMin = pastDays == null
+        ? null
+        : _earlier(today.subtractDays(pastDays), todayMonday);
+    final capMax = futureDays == null
+        ? null
+        : _later(today.addDays(futureDays), currentWeekEnd);
+    final cappedMin = capMin != null && effectiveMin.isBefore(capMin)
+        ? capMin
         : effectiveMin;
-    final cappedMax = effectiveMax.isAfter(
-      todayMonday.addDays(_maxWeeksForward * 7 + 6),
-    )
-        ? todayMonday.addDays(_maxWeeksForward * 7 + 6)
+    final cappedMax = capMax != null && effectiveMax.isAfter(capMax)
+        ? capMax
         : effectiveMax;
     // When the resulting range does not cover the current week — the summer gap
     // between two school years, or a stale persisted bound — fall back to the
-    // full fixed window around today. Otherwise the PageView clamps the initial
-    // page to the last week before the holidays (hiding the "Schulfrei" region)
-    // and forward scrolling collapses to the current week only.
-    final currentWeekEnd = todayMonday.addDays(DateTime.daysPerWeek - 1);
+    // current week, widened to whatever the capabilities still allow. Otherwise
+    // the PageView clamps the initial page to the last week before the holidays
+    // (hiding the "Schulfrei" region) and forward scrolling collapses to the
+    // current week only.
     final outsideRange =
         cappedMax.isBefore(todayMonday) || cappedMin.isAfter(currentWeekEnd);
-    final finalMin = outsideRange
-        ? todayMonday.subtractDays(_maxWeeksBack * 7)
-        : cappedMin;
-    final finalMax = outsideRange
-        ? todayMonday.addDays(_maxWeeksForward * 7 + 6)
-        : cappedMax;
+    final finalMin = outsideRange ? (capMin ?? todayMonday) : cappedMin;
+    final finalMax = outsideRange ? (capMax ?? currentWeekEnd) : cappedMax;
     final daysToMonday =
         (DateTime.monday - finalMin.weekday) % DateTime.daysPerWeek;
     final mondayMin = finalMin.addDays(daysToMonday);
     return (mondayMin, finalMax);
   }
 
-  static DateTime _mondayOf(DateTime d) {
-    final monday = d.subtractDays(d.weekday - 1);
-    return DateTime(monday.year, monday.month, monday.day);
-  }
+  static DateTime _mondayOf(DateTime d) =>
+      _startOfDay(d.subtractDays(d.weekday - 1));
+
+  static DateTime _startOfDay(DateTime d) => DateTime(d.year, d.month, d.day);
+
+  static DateTime _earlier(DateTime a, DateTime b) => a.isBefore(b) ? a : b;
+
+  static DateTime _later(DateTime a, DateTime b) => a.isAfter(b) ? a : b;
 }

lib/widget/downloads/download_tray.dart

@@ -7,6 +7,7 @@ import '../../utils/downloads/download_job.dart';
 import '../../utils/downloads/download_manager.dart';
 import '../../utils/haptics.dart';
 import 'downloads_sheet.dart';
+import 'stale_download_guard.dart';
 
 /// Decides whether a just-finished download should open straight in the viewer.
 ///
@@ -198,9 +199,13 @@ class _DownloadTrayHostState extends State<DownloadTrayHost>
 
   void _openJob(DownloadJob job) {
     final path = job.localPath;
-    _manager.markOpened(job);
     final ctx = AppRoutes.overlayContext;
-    if (path == null || ctx == null) return;
+    if (path == null || ctx == null) {
+      _manager.markOpened(job);
+      return;
+    }
+    if (!ensureDownloadStillExists(ctx, job)) return;
+    _manager.markOpened(job);
     Haptics.success();
     AppRoutes.openFileViewer(ctx, path, remoteFile: job.remoteFile);
   }

lib/widget/downloads/downloads_sheet.dart

@@ -10,6 +10,7 @@ import '../../view/pages/files/data/file_type_icon.dart';
 import '../centered_leading.dart';
 import '../details_bottom_sheet.dart';
 import '../info_dialog.dart';
+import 'stale_download_guard.dart';
 
 /// Overview of all active and finished-but-unopened downloads. Lets the user
 /// open/switch between finished files, cancel running ones and retry failures.
@@ -86,8 +87,11 @@ class _DownloadsListState extends State<_DownloadsList> {
   void _open(DownloadJob job) {
     final path = job.localPath;
     if (path == null) return;
-    Haptics.success();
+    // Pop the sheet first so a stale-file dialog lands on the underlying
+    // screen instead of an emptied sheet.
     Navigator.of(widget.sheetContext).pop();
+    if (!ensureDownloadStillExists(widget.rootContext, job)) return;
+    Haptics.success();
     DownloadManager.instance.markOpened(job);
     AppRoutes.openFileViewer(
       widget.rootContext,

lib/widget/downloads/stale_download_guard.dart

@@ -0,0 +1,40 @@
+import 'dart:async';
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+
+import '../../utils/downloads/download_job.dart';
+import '../../utils/downloads/download_manager.dart';
+import '../confirm_dialog.dart';
+import '../info_dialog.dart';
+
+/// Verifies a finished download's cache file is still on disk before opening.
+///
+/// Downloads live in the app's temp dir, which Android may clear at any time
+/// (storage pressure, "Cache leeren") — while completion notifications and
+/// tray entries stay tappable indefinitely. Returns true when the file exists;
+/// otherwise drops the stale job (incl. its notification) and offers a
+/// re-download when the remote path is known (it isn't for notification taps
+/// whose task metadata got lost).
+bool ensureDownloadStillExists(BuildContext context, DownloadJob job) {
+  final path = job.localPath;
+  if (path == null || File(path).existsSync()) return true;
+
+  DownloadManager.instance.markOpened(job);
+  if (job.remotePath.isNotEmpty) {
+    ConfirmDialog(
+      title: 'Datei nicht mehr verfügbar',
+      content:
+          'Die heruntergeladene Datei wurde vom System aus dem Zwischenspeicher entfernt.\nErneut herunterladen?',
+      confirmButton: 'Herunterladen',
+      onConfirm: () => unawaited(DownloadManager.instance.retry(job)),
+    ).asDialog(context);
+  } else {
+    InfoDialog.show(
+      context,
+      'Die heruntergeladene Datei wurde vom System aus dem Zwischenspeicher entfernt. Bitte lade sie erneut herunter.',
+      title: 'Datei nicht mehr verfügbar',
+    );
+  }
+  return false;
+}

lib/widget/file_viewer.dart

@@ -14,8 +14,11 @@ import 'package:share_plus/share_plus.dart';
 import '../routing/app_routes.dart';
 import '../share_intent/remote_file_ref.dart';
 import '../state/app/modules/settings/bloc/settings_cubit.dart';
+import '../utils/downloads/download_manager.dart';
 import 'app_progress_indicator.dart';
+import 'async_action_button.dart';
 import 'centered_leading.dart';
+import 'confirm_dialog.dart';
 import 'file_viewer/code_line.dart';
 import 'file_viewer/deferred_pdf_viewer.dart';
 import 'file_viewer/file_kind.dart';
@@ -82,9 +85,43 @@ class _FileViewerState extends State<FileViewer> {
     super.dispose();
   }
 
+  /// Android may clear the cache dir behind an open viewer at any time —
+  /// verify the file is still there before handing its path to an action.
+  bool _ensureLocalFile() {
+    if (File(widget.path).existsSync()) return true;
+    final remote = widget.remoteFile;
+    if (remote == null) {
+      InfoDialog.show(
+        context,
+        'Die Datei wurde vom System aus dem Zwischenspeicher entfernt. Bitte lade sie erneut herunter.',
+        title: 'Datei nicht mehr verfügbar',
+      );
+      return false;
+    }
+    ConfirmDialog(
+      title: 'Datei nicht mehr verfügbar',
+      content:
+          'Die Datei wurde vom System aus dem Zwischenspeicher entfernt.\nErneut herunterladen?',
+      confirmButton: 'Herunterladen',
+      onConfirm: () {
+        // Pop the viewer before starting so the fresh download auto-opens.
+        Navigator.of(context).pop();
+        unawaited(
+          DownloadManager.instance.start(
+            remotePath: remote.path,
+            name: remote.name,
+            remoteFile: remote,
+          ),
+        );
+      },
+    ).asDialog(context);
+    return false;
+  }
+
   Future<void> _handleAction(FileViewingActions value) async {
     switch (value) {
       case FileViewingActions.openExternal:
+        if (!_ensureLocalFile()) return;
         AppRoutes.openFileViewer(
           context,
           widget.path,
@@ -99,16 +136,21 @@ class _FileViewerState extends State<FileViewer> {
         AppRoutes.openInternalSaveToFolder(context, widget.remoteFile!);
         break;
       case FileViewingActions.share:
+        if (!_ensureLocalFile()) return;
         unawaited(
-          SharePlus.instance.share(
-            ShareParams(
-              files: [XFile(widget.path)],
-              sharePositionOrigin: SharePositionOrigin.get(context),
+          runWithErrorDialog(
+            context,
+            () => SharePlus.instance.share(
+              ShareParams(
+                files: [XFile(widget.path)],
+                sharePositionOrigin: SharePositionOrigin.get(context),
+              ),
             ),
           ),
         );
         break;
       case FileViewingActions.save:
+        if (!_ensureLocalFile()) return;
         try {
           final source = File(widget.path);
           final size = await source.length();

lib/widget/file_viewer/deferred_pdf_viewer.dart

@@ -5,8 +5,9 @@ import 'package:syncfusion_flutter_pdfviewer/pdfviewer.dart';
 
 import '../route_transition_gate.dart';
 
-/// SfPdfViewer asserts on `localToGlobal` if mounted during the page-push
-/// animation. Defer until the route enter animation completes.
+/// SfPdfViewer asserts on `localToGlobal` if laid out while a route
+/// transition's fresh `RenderTransform` has no size yet. Mount it only while
+/// the route is at rest (see [RouteTransitionGate]).
 class DeferredPdfViewer extends StatelessWidget {
   const DeferredPdfViewer({super.key, required this.path});
   final String path;

lib/widget/route_transition_gate.dart

@@ -2,18 +2,25 @@ import 'package:flutter/material.dart';
 
 import 'app_progress_indicator.dart';
 
-/// Delays building [builder] until the enclosing route's enter animation has
-/// finished. Some widgets (notably `SfPdfViewer`) call `localToGlobal` during
-/// their first layout and assert with `RenderBox was not laid out` when an
-/// ancestor page-transition `RenderTransform` still has no size mid-push.
-/// Gating the mount behind the settled animation avoids that race.
+/// Builds [builder]'s subtree only while the enclosing route is at rest — i.e.
+/// neither its own enter/exit animation nor its secondary (route-pushed-on-top)
+/// transition is running.
+///
+/// Some widgets (notably `SfPdfViewer`) call `localToGlobal` during layout and
+/// crash with `RenderBox was not laid out` when an ancestor page-transition
+/// `RenderTransform` is mid-first-layout. Those transforms are inserted freshly
+/// whenever a transition *starts* — not only on the initial push, but also on
+/// pop and when another page is pushed on top. The gate therefore swaps the
+/// subtree for [placeholder] for the duration of any transition; the status
+/// listener fires before that frame's layout, so the fragile subtree is gone
+/// before the new transform lays out.
 class RouteTransitionGate extends StatefulWidget {
   const RouteTransitionGate({super.key, required this.builder, this.placeholder});
 
   final WidgetBuilder builder;
 
-  /// Shown while the route is still animating in. Defaults to a centered
-  /// large progress indicator.
+  /// Shown while the route is transitioning. Defaults to a centered large
+  /// progress indicator.
   final Widget? placeholder;
 
   @override
@@ -21,36 +28,52 @@ class RouteTransitionGate extends StatefulWidget {
 }
 
 class _RouteTransitionGateState extends State<RouteTransitionGate> {
-  bool _ready = false;
-  Animation<double>? _routeAnimation;
+  Animation<double>? _animation;
+  Animation<double>? _secondaryAnimation;
 
   @override
   void didChangeDependencies() {
     super.didChangeDependencies();
-    if (_ready || _routeAnimation != null) return;
-    final animation = ModalRoute.of(context)?.animation;
-    if (animation == null || animation.isCompleted) {
-      _ready = true;
-      return;
-    }
-    _routeAnimation = animation..addStatusListener(_onAnimationStatus);
+    final route = ModalRoute.of(context);
+    _swapListener(route?.animation, _animation, (a) => _animation = a);
+    _swapListener(
+      route?.secondaryAnimation,
+      _secondaryAnimation,
+      (a) => _secondaryAnimation = a,
+    );
   }
 
-  void _onAnimationStatus(AnimationStatus status) {
-    if (status == AnimationStatus.completed && mounted) {
-      setState(() => _ready = true);
-    }
+  void _swapListener(
+    Animation<double>? next,
+    Animation<double>? current,
+    void Function(Animation<double>?) assign,
+  ) {
+    if (identical(next, current)) return;
+    current?.removeStatusListener(_onAnimationStatus);
+    assign(next?..addStatusListener(_onAnimationStatus));
   }
 
   @override
   void dispose() {
-    _routeAnimation?.removeStatusListener(_onAnimationStatus);
+    _animation?.removeStatusListener(_onAnimationStatus);
+    _secondaryAnimation?.removeStatusListener(_onAnimationStatus);
     super.dispose();
   }
 
+  bool get _transitioning =>
+      _isAnimating(_animation?.status) ||
+      _isAnimating(_secondaryAnimation?.status);
+
+  static bool _isAnimating(AnimationStatus? status) =>
+      status == AnimationStatus.forward || status == AnimationStatus.reverse;
+
+  void _onAnimationStatus(AnimationStatus status) {
+    if (mounted) setState(() {});
+  }
+
   @override
   Widget build(BuildContext context) {
-    if (!_ready) {
+    if (_transitioning) {
       return widget.placeholder ??
           const Center(child: AppProgressIndicator.large());
     }

lib/widget_data/widget_data.dart

@@ -28,6 +28,9 @@ abstract class WidgetLesson with _$WidgetLesson {
     required String subjectShort,
     String? subjectLong,
     String? room,
+    /// On teacher accounts this carries the class label ("7a") instead of the
+    /// teacher short name — see `WidgetDataMapper` `showClassInsteadOfTeacher`;
+    /// [originalTeacher] is null in that case.
     String? teacher,
     String? originalTeacher,
     required WidgetLessonStatus status,
@@ -61,6 +64,20 @@ abstract class WidgetPeriod with _$WidgetPeriod {
       _$WidgetPeriodFromJson(json);
 }
 
+/// Per-day metadata for the week payload, so native renderers can derive a
+/// single day's view (including its holiday state) without a day payload.
+@freezed
+abstract class WidgetDayInfo with _$WidgetDayInfo {
+  const factory WidgetDayInfo({
+    required DateTime date,
+    @Default(false) bool isHoliday,
+    String? holidayName,
+  }) = _WidgetDayInfo;
+
+  factory WidgetDayInfo.fromJson(Map<String, Object?> json) =>
+      _$WidgetDayInfoFromJson(json);
+}
+
 @freezed
 abstract class WidgetTimetableData with _$WidgetTimetableData {
   const factory WidgetTimetableData({
@@ -73,6 +90,8 @@ abstract class WidgetTimetableData with _$WidgetTimetableData {
     @Default(<WidgetPeriod>[]) List<WidgetPeriod> periods,
     @Default(false) bool isHoliday,
     String? holidayName,
+    /// Week payload only: one entry per day of the covered window.
+    @Default(<WidgetDayInfo>[]) List<WidgetDayInfo> days,
   }) = _WidgetTimetableData;
 
   factory WidgetTimetableData.fromJson(Map<String, Object?> json) =>

lib/widget_data/widget_data.freezed.dart

@@ -593,13 +593,283 @@ as int,
 }
 
 
+/// @nodoc
+mixin _$WidgetDayInfo {
+
+ DateTime get date; bool get isHoliday; String? get holidayName;
+/// Create a copy of WidgetDayInfo
+/// with the given fields replaced by the non-null parameter values.
+@JsonKey(includeFromJson: false, includeToJson: false)
+@pragma('vm:prefer-inline')
+$WidgetDayInfoCopyWith<WidgetDayInfo> get copyWith => _$WidgetDayInfoCopyWithImpl<WidgetDayInfo>(this as WidgetDayInfo, _$identity);
+
+  /// Serializes this WidgetDayInfo to a JSON map.
+  Map<String, dynamic> toJson();
+
+
+@override
+bool operator ==(Object other) {
+  return identical(this, other) || (other.runtimeType == runtimeType&&other is WidgetDayInfo&&(identical(other.date, date) || other.date == date)&&(identical(other.isHoliday, isHoliday) || other.isHoliday == isHoliday)&&(identical(other.holidayName, holidayName) || other.holidayName == holidayName));
+}
+
+@JsonKey(includeFromJson: false, includeToJson: false)
+@override
+int get hashCode => Object.hash(runtimeType,date,isHoliday,holidayName);
+
+@override
+String toString() {
+  return 'WidgetDayInfo(date: $date, isHoliday: $isHoliday, holidayName: $holidayName)';
+}
+
+
+}
+
+/// @nodoc
+abstract mixin class $WidgetDayInfoCopyWith<$Res>  {
+  factory $WidgetDayInfoCopyWith(WidgetDayInfo value, $Res Function(WidgetDayInfo) _then) = _$WidgetDayInfoCopyWithImpl;
+@useResult
+$Res call({
+ DateTime date, bool isHoliday, String? holidayName
+});
+
+
+
+
+}
+/// @nodoc
+class _$WidgetDayInfoCopyWithImpl<$Res>
+    implements $WidgetDayInfoCopyWith<$Res> {
+  _$WidgetDayInfoCopyWithImpl(this._self, this._then);
+
+  final WidgetDayInfo _self;
+  final $Res Function(WidgetDayInfo) _then;
+
+/// Create a copy of WidgetDayInfo
+/// with the given fields replaced by the non-null parameter values.
+@pragma('vm:prefer-inline') @override $Res call({Object? date = null,Object? isHoliday = null,Object? holidayName = freezed,}) {
+  return _then(_self.copyWith(
+date: null == date ? _self.date : date // ignore: cast_nullable_to_non_nullable
+as DateTime,isHoliday: null == isHoliday ? _self.isHoliday : isHoliday // ignore: cast_nullable_to_non_nullable
+as bool,holidayName: freezed == holidayName ? _self.holidayName : holidayName // ignore: cast_nullable_to_non_nullable
+as String?,
+  ));
+}
+
+}
+
+
+/// Adds pattern-matching-related methods to [WidgetDayInfo].
+extension WidgetDayInfoPatterns on WidgetDayInfo {
+/// A variant of `map` that fallback to returning `orElse`.
+///
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case final Subclass value:
+///     return ...;
+///   case _:
+///     return orElse();
+/// }
+/// ```
+
+@optionalTypeArgs TResult maybeMap<TResult extends Object?>(TResult Function( _WidgetDayInfo value)?  $default,{required TResult orElse(),}){
+final _that = this;
+switch (_that) {
+case _WidgetDayInfo() when $default != null:
+return $default(_that);case _:
+  return orElse();
+
+}
+}
+/// A `switch`-like method, using callbacks.
+///
+/// Callbacks receives the raw object, upcasted.
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case final Subclass value:
+///     return ...;
+///   case final Subclass2 value:
+///     return ...;
+/// }
+/// ```
+
+@optionalTypeArgs TResult map<TResult extends Object?>(TResult Function( _WidgetDayInfo value)  $default,){
+final _that = this;
+switch (_that) {
+case _WidgetDayInfo():
+return $default(_that);case _:
+  throw StateError('Unexpected subclass');
+
+}
+}
+/// A variant of `map` that fallback to returning `null`.
+///
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case final Subclass value:
+///     return ...;
+///   case _:
+///     return null;
+/// }
+/// ```
+
+@optionalTypeArgs TResult? mapOrNull<TResult extends Object?>(TResult? Function( _WidgetDayInfo value)?  $default,){
+final _that = this;
+switch (_that) {
+case _WidgetDayInfo() when $default != null:
+return $default(_that);case _:
+  return null;
+
+}
+}
+/// A variant of `when` that fallback to an `orElse` callback.
+///
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case Subclass(:final field):
+///     return ...;
+///   case _:
+///     return orElse();
+/// }
+/// ```
+
+@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( DateTime date,  bool isHoliday,  String? holidayName)?  $default,{required TResult orElse(),}) {final _that = this;
+switch (_that) {
+case _WidgetDayInfo() when $default != null:
+return $default(_that.date,_that.isHoliday,_that.holidayName);case _:
+  return orElse();
+
+}
+}
+/// A `switch`-like method, using callbacks.
+///
+/// As opposed to `map`, this offers destructuring.
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case Subclass(:final field):
+///     return ...;
+///   case Subclass2(:final field2):
+///     return ...;
+/// }
+/// ```
+
+@optionalTypeArgs TResult when<TResult extends Object?>(TResult Function( DateTime date,  bool isHoliday,  String? holidayName)  $default,) {final _that = this;
+switch (_that) {
+case _WidgetDayInfo():
+return $default(_that.date,_that.isHoliday,_that.holidayName);case _:
+  throw StateError('Unexpected subclass');
+
+}
+}
+/// A variant of `when` that fallback to returning `null`
+///
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case Subclass(:final field):
+///     return ...;
+///   case _:
+///     return null;
+/// }
+/// ```
+
+@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( DateTime date,  bool isHoliday,  String? holidayName)?  $default,) {final _that = this;
+switch (_that) {
+case _WidgetDayInfo() when $default != null:
+return $default(_that.date,_that.isHoliday,_that.holidayName);case _:
+  return null;
+
+}
+}
+
+}
+
+/// @nodoc
+@JsonSerializable()
+
+class _WidgetDayInfo implements WidgetDayInfo {
+  const _WidgetDayInfo({required this.date, this.isHoliday = false, this.holidayName});
+  factory _WidgetDayInfo.fromJson(Map<String, dynamic> json) => _$WidgetDayInfoFromJson(json);
+
+@override final  DateTime date;
+@override@JsonKey() final  bool isHoliday;
+@override final  String? holidayName;
+
+/// Create a copy of WidgetDayInfo
+/// with the given fields replaced by the non-null parameter values.
+@override @JsonKey(includeFromJson: false, includeToJson: false)
+@pragma('vm:prefer-inline')
+_$WidgetDayInfoCopyWith<_WidgetDayInfo> get copyWith => __$WidgetDayInfoCopyWithImpl<_WidgetDayInfo>(this, _$identity);
+
+@override
+Map<String, dynamic> toJson() {
+  return _$WidgetDayInfoToJson(this, );
+}
+
+@override
+bool operator ==(Object other) {
+  return identical(this, other) || (other.runtimeType == runtimeType&&other is _WidgetDayInfo&&(identical(other.date, date) || other.date == date)&&(identical(other.isHoliday, isHoliday) || other.isHoliday == isHoliday)&&(identical(other.holidayName, holidayName) || other.holidayName == holidayName));
+}
+
+@JsonKey(includeFromJson: false, includeToJson: false)
+@override
+int get hashCode => Object.hash(runtimeType,date,isHoliday,holidayName);
+
+@override
+String toString() {
+  return 'WidgetDayInfo(date: $date, isHoliday: $isHoliday, holidayName: $holidayName)';
+}
+
+
+}
+
+/// @nodoc
+abstract mixin class _$WidgetDayInfoCopyWith<$Res> implements $WidgetDayInfoCopyWith<$Res> {
+  factory _$WidgetDayInfoCopyWith(_WidgetDayInfo value, $Res Function(_WidgetDayInfo) _then) = __$WidgetDayInfoCopyWithImpl;
+@override @useResult
+$Res call({
+ DateTime date, bool isHoliday, String? holidayName
+});
+
+
+
+
+}
+/// @nodoc
+class __$WidgetDayInfoCopyWithImpl<$Res>
+    implements _$WidgetDayInfoCopyWith<$Res> {
+  __$WidgetDayInfoCopyWithImpl(this._self, this._then);
+
+  final _WidgetDayInfo _self;
+  final $Res Function(_WidgetDayInfo) _then;
+
+/// Create a copy of WidgetDayInfo
+/// with the given fields replaced by the non-null parameter values.
+@override @pragma('vm:prefer-inline') $Res call({Object? date = null,Object? isHoliday = null,Object? holidayName = freezed,}) {
+  return _then(_WidgetDayInfo(
+date: null == date ? _self.date : date // ignore: cast_nullable_to_non_nullable
+as DateTime,isHoliday: null == isHoliday ? _self.isHoliday : isHoliday // ignore: cast_nullable_to_non_nullable
+as bool,holidayName: freezed == holidayName ? _self.holidayName : holidayName // ignore: cast_nullable_to_non_nullable
+as String?,
+  ));
+}
+
+
+}
+
+
 /// @nodoc
 mixin _$WidgetTimetableData {
 
  DateTime get fetchedAt;/// The day this widget snapshot is "about" — display anchor.
 /// For the day variant: the rendered school day.
 /// For the week variant: the Monday of the rendered school week.
- DateTime get anchorDate; List<WidgetLesson> get lessons; List<WidgetPeriod> get periods; bool get isHoliday; String? get holidayName;
+ DateTime get anchorDate; List<WidgetLesson> get lessons; List<WidgetPeriod> get periods; bool get isHoliday; String? get holidayName;/// Week payload only: one entry per day of the covered window.
+ List<WidgetDayInfo> get days;
 /// Create a copy of WidgetTimetableData
 /// with the given fields replaced by the non-null parameter values.
 @JsonKey(includeFromJson: false, includeToJson: false)
@@ -612,16 +882,16 @@ $WidgetTimetableDataCopyWith<WidgetTimetableData> get copyWith => _$WidgetTimeta
 
 @override
 bool operator ==(Object other) {
-  return identical(this, other) || (other.runtimeType == runtimeType&&other is WidgetTimetableData&&(identical(other.fetchedAt, fetchedAt) || other.fetchedAt == fetchedAt)&&(identical(other.anchorDate, anchorDate) || other.anchorDate == anchorDate)&&const DeepCollectionEquality().equals(other.lessons, lessons)&&const DeepCollectionEquality().equals(other.periods, periods)&&(identical(other.isHoliday, isHoliday) || other.isHoliday == isHoliday)&&(identical(other.holidayName, holidayName) || other.holidayName == holidayName));
+  return identical(this, other) || (other.runtimeType == runtimeType&&other is WidgetTimetableData&&(identical(other.fetchedAt, fetchedAt) || other.fetchedAt == fetchedAt)&&(identical(other.anchorDate, anchorDate) || other.anchorDate == anchorDate)&&const DeepCollectionEquality().equals(other.lessons, lessons)&&const DeepCollectionEquality().equals(other.periods, periods)&&(identical(other.isHoliday, isHoliday) || other.isHoliday == isHoliday)&&(identical(other.holidayName, holidayName) || other.holidayName == holidayName)&&const DeepCollectionEquality().equals(other.days, days));
 }
 
 @JsonKey(includeFromJson: false, includeToJson: false)
 @override
-int get hashCode => Object.hash(runtimeType,fetchedAt,anchorDate,const DeepCollectionEquality().hash(lessons),const DeepCollectionEquality().hash(periods),isHoliday,holidayName);
+int get hashCode => Object.hash(runtimeType,fetchedAt,anchorDate,const DeepCollectionEquality().hash(lessons),const DeepCollectionEquality().hash(periods),isHoliday,holidayName,const DeepCollectionEquality().hash(days));
 
 @override
 String toString() {
-  return 'WidgetTimetableData(fetchedAt: $fetchedAt, anchorDate: $anchorDate, lessons: $lessons, periods: $periods, isHoliday: $isHoliday, holidayName: $holidayName)';
+  return 'WidgetTimetableData(fetchedAt: $fetchedAt, anchorDate: $anchorDate, lessons: $lessons, periods: $periods, isHoliday: $isHoliday, holidayName: $holidayName, days: $days)';
 }
 
 
@@ -632,7 +902,7 @@ abstract mixin class $WidgetTimetableDataCopyWith<$Res>  {
   factory $WidgetTimetableDataCopyWith(WidgetTimetableData value, $Res Function(WidgetTimetableData) _then) = _$WidgetTimetableDataCopyWithImpl;
 @useResult
 $Res call({
- DateTime fetchedAt, DateTime anchorDate, List<WidgetLesson> lessons, List<WidgetPeriod> periods, bool isHoliday, String? holidayName
+ DateTime fetchedAt, DateTime anchorDate, List<WidgetLesson> lessons, List<WidgetPeriod> periods, bool isHoliday, String? holidayName, List<WidgetDayInfo> days
 });
 
 
@@ -649,7 +919,7 @@ class _$WidgetTimetableDataCopyWithImpl<$Res>
 
 /// Create a copy of WidgetTimetableData
 /// with the given fields replaced by the non-null parameter values.
-@pragma('vm:prefer-inline') @override $Res call({Object? fetchedAt = null,Object? anchorDate = null,Object? lessons = null,Object? periods = null,Object? isHoliday = null,Object? holidayName = freezed,}) {
+@pragma('vm:prefer-inline') @override $Res call({Object? fetchedAt = null,Object? anchorDate = null,Object? lessons = null,Object? periods = null,Object? isHoliday = null,Object? holidayName = freezed,Object? days = null,}) {
   return _then(_self.copyWith(
 fetchedAt: null == fetchedAt ? _self.fetchedAt : fetchedAt // ignore: cast_nullable_to_non_nullable
 as DateTime,anchorDate: null == anchorDate ? _self.anchorDate : anchorDate // ignore: cast_nullable_to_non_nullable
@@ -657,7 +927,8 @@ as DateTime,lessons: null == lessons ? _self.lessons : lessons // ignore: cast_n
 as List<WidgetLesson>,periods: null == periods ? _self.periods : periods // ignore: cast_nullable_to_non_nullable
 as List<WidgetPeriod>,isHoliday: null == isHoliday ? _self.isHoliday : isHoliday // ignore: cast_nullable_to_non_nullable
 as bool,holidayName: freezed == holidayName ? _self.holidayName : holidayName // ignore: cast_nullable_to_non_nullable
-as String?,
+as String?,days: null == days ? _self.days : days // ignore: cast_nullable_to_non_nullable
+as List<WidgetDayInfo>,
   ));
 }
 
@@ -742,10 +1013,10 @@ return $default(_that);case _:
 /// }
 /// ```
 
-@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( DateTime fetchedAt,  DateTime anchorDate,  List<WidgetLesson> lessons,  List<WidgetPeriod> periods,  bool isHoliday,  String? holidayName)?  $default,{required TResult orElse(),}) {final _that = this;
+@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( DateTime fetchedAt,  DateTime anchorDate,  List<WidgetLesson> lessons,  List<WidgetPeriod> periods,  bool isHoliday,  String? holidayName,  List<WidgetDayInfo> days)?  $default,{required TResult orElse(),}) {final _that = this;
 switch (_that) {
 case _WidgetTimetableData() when $default != null:
-return $default(_that.fetchedAt,_that.anchorDate,_that.lessons,_that.periods,_that.isHoliday,_that.holidayName);case _:
+return $default(_that.fetchedAt,_that.anchorDate,_that.lessons,_that.periods,_that.isHoliday,_that.holidayName,_that.days);case _:
   return orElse();
 
 }
@@ -763,10 +1034,10 @@ return $default(_that.fetchedAt,_that.anchorDate,_that.lessons,_that.periods,_th
 /// }
 /// ```
 
-@optionalTypeArgs TResult when<TResult extends Object?>(TResult Function( DateTime fetchedAt,  DateTime anchorDate,  List<WidgetLesson> lessons,  List<WidgetPeriod> periods,  bool isHoliday,  String? holidayName)  $default,) {final _that = this;
+@optionalTypeArgs TResult when<TResult extends Object?>(TResult Function( DateTime fetchedAt,  DateTime anchorDate,  List<WidgetLesson> lessons,  List<WidgetPeriod> periods,  bool isHoliday,  String? holidayName,  List<WidgetDayInfo> days)  $default,) {final _that = this;
 switch (_that) {
 case _WidgetTimetableData():
-return $default(_that.fetchedAt,_that.anchorDate,_that.lessons,_that.periods,_that.isHoliday,_that.holidayName);case _:
+return $default(_that.fetchedAt,_that.anchorDate,_that.lessons,_that.periods,_that.isHoliday,_that.holidayName,_that.days);case _:
   throw StateError('Unexpected subclass');
 
 }
@@ -783,10 +1054,10 @@ return $default(_that.fetchedAt,_that.anchorDate,_that.lessons,_that.periods,_th
 /// }
 /// ```
 
-@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( DateTime fetchedAt,  DateTime anchorDate,  List<WidgetLesson> lessons,  List<WidgetPeriod> periods,  bool isHoliday,  String? holidayName)?  $default,) {final _that = this;
+@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( DateTime fetchedAt,  DateTime anchorDate,  List<WidgetLesson> lessons,  List<WidgetPeriod> periods,  bool isHoliday,  String? holidayName,  List<WidgetDayInfo> days)?  $default,) {final _that = this;
 switch (_that) {
 case _WidgetTimetableData() when $default != null:
-return $default(_that.fetchedAt,_that.anchorDate,_that.lessons,_that.periods,_that.isHoliday,_that.holidayName);case _:
+return $default(_that.fetchedAt,_that.anchorDate,_that.lessons,_that.periods,_that.isHoliday,_that.holidayName,_that.days);case _:
   return null;
 
 }
@@ -798,7 +1069,7 @@ return $default(_that.fetchedAt,_that.anchorDate,_that.lessons,_that.periods,_th
 @JsonSerializable()
 
 class _WidgetTimetableData implements WidgetTimetableData {
-  const _WidgetTimetableData({required this.fetchedAt, required this.anchorDate, required final  List<WidgetLesson> lessons, final  List<WidgetPeriod> periods = const <WidgetPeriod>[], this.isHoliday = false, this.holidayName}): _lessons = lessons,_periods = periods;
+  const _WidgetTimetableData({required this.fetchedAt, required this.anchorDate, required final  List<WidgetLesson> lessons, final  List<WidgetPeriod> periods = const <WidgetPeriod>[], this.isHoliday = false, this.holidayName, final  List<WidgetDayInfo> days = const <WidgetDayInfo>[]}): _lessons = lessons,_periods = periods,_days = days;
   factory _WidgetTimetableData.fromJson(Map<String, dynamic> json) => _$WidgetTimetableDataFromJson(json);
 
 @override final  DateTime fetchedAt;
@@ -822,6 +1093,15 @@ class _WidgetTimetableData implements WidgetTimetableData {
 
 @override@JsonKey() final  bool isHoliday;
 @override final  String? holidayName;
+/// Week payload only: one entry per day of the covered window.
+ final  List<WidgetDayInfo> _days;
+/// Week payload only: one entry per day of the covered window.
+@override@JsonKey() List<WidgetDayInfo> get days {
+  if (_days is EqualUnmodifiableListView) return _days;
+  // ignore: implicit_dynamic_type
+  return EqualUnmodifiableListView(_days);
+}
+
 
 /// Create a copy of WidgetTimetableData
 /// with the given fields replaced by the non-null parameter values.
@@ -836,16 +1116,16 @@ Map<String, dynamic> toJson() {
 
 @override
 bool operator ==(Object other) {
-  return identical(this, other) || (other.runtimeType == runtimeType&&other is _WidgetTimetableData&&(identical(other.fetchedAt, fetchedAt) || other.fetchedAt == fetchedAt)&&(identical(other.anchorDate, anchorDate) || other.anchorDate == anchorDate)&&const DeepCollectionEquality().equals(other._lessons, _lessons)&&const DeepCollectionEquality().equals(other._periods, _periods)&&(identical(other.isHoliday, isHoliday) || other.isHoliday == isHoliday)&&(identical(other.holidayName, holidayName) || other.holidayName == holidayName));
+  return identical(this, other) || (other.runtimeType == runtimeType&&other is _WidgetTimetableData&&(identical(other.fetchedAt, fetchedAt) || other.fetchedAt == fetchedAt)&&(identical(other.anchorDate, anchorDate) || other.anchorDate == anchorDate)&&const DeepCollectionEquality().equals(other._lessons, _lessons)&&const DeepCollectionEquality().equals(other._periods, _periods)&&(identical(other.isHoliday, isHoliday) || other.isHoliday == isHoliday)&&(identical(other.holidayName, holidayName) || other.holidayName == holidayName)&&const DeepCollectionEquality().equals(other._days, _days));
 }
 
 @JsonKey(includeFromJson: false, includeToJson: false)
 @override
-int get hashCode => Object.hash(runtimeType,fetchedAt,anchorDate,const DeepCollectionEquality().hash(_lessons),const DeepCollectionEquality().hash(_periods),isHoliday,holidayName);
+int get hashCode => Object.hash(runtimeType,fetchedAt,anchorDate,const DeepCollectionEquality().hash(_lessons),const DeepCollectionEquality().hash(_periods),isHoliday,holidayName,const DeepCollectionEquality().hash(_days));
 
 @override
 String toString() {
-  return 'WidgetTimetableData(fetchedAt: $fetchedAt, anchorDate: $anchorDate, lessons: $lessons, periods: $periods, isHoliday: $isHoliday, holidayName: $holidayName)';
+  return 'WidgetTimetableData(fetchedAt: $fetchedAt, anchorDate: $anchorDate, lessons: $lessons, periods: $periods, isHoliday: $isHoliday, holidayName: $holidayName, days: $days)';
 }
 
 
@@ -856,7 +1136,7 @@ abstract mixin class _$WidgetTimetableDataCopyWith<$Res> implements $WidgetTimet
   factory _$WidgetTimetableDataCopyWith(_WidgetTimetableData value, $Res Function(_WidgetTimetableData) _then) = __$WidgetTimetableDataCopyWithImpl;
 @override @useResult
 $Res call({
- DateTime fetchedAt, DateTime anchorDate, List<WidgetLesson> lessons, List<WidgetPeriod> periods, bool isHoliday, String? holidayName
+ DateTime fetchedAt, DateTime anchorDate, List<WidgetLesson> lessons, List<WidgetPeriod> periods, bool isHoliday, String? holidayName, List<WidgetDayInfo> days
 });
 
 
@@ -873,7 +1153,7 @@ class __$WidgetTimetableDataCopyWithImpl<$Res>
 
 /// Create a copy of WidgetTimetableData
 /// with the given fields replaced by the non-null parameter values.
-@override @pragma('vm:prefer-inline') $Res call({Object? fetchedAt = null,Object? anchorDate = null,Object? lessons = null,Object? periods = null,Object? isHoliday = null,Object? holidayName = freezed,}) {
+@override @pragma('vm:prefer-inline') $Res call({Object? fetchedAt = null,Object? anchorDate = null,Object? lessons = null,Object? periods = null,Object? isHoliday = null,Object? holidayName = freezed,Object? days = null,}) {
   return _then(_WidgetTimetableData(
 fetchedAt: null == fetchedAt ? _self.fetchedAt : fetchedAt // ignore: cast_nullable_to_non_nullable
 as DateTime,anchorDate: null == anchorDate ? _self.anchorDate : anchorDate // ignore: cast_nullable_to_non_nullable
@@ -881,7 +1161,8 @@ as DateTime,lessons: null == lessons ? _self._lessons : lessons // ignore: cast_
 as List<WidgetLesson>,periods: null == periods ? _self._periods : periods // ignore: cast_nullable_to_non_nullable
 as List<WidgetPeriod>,isHoliday: null == isHoliday ? _self.isHoliday : isHoliday // ignore: cast_nullable_to_non_nullable
 as bool,holidayName: freezed == holidayName ? _self.holidayName : holidayName // ignore: cast_nullable_to_non_nullable
-as String?,
+as String?,days: null == days ? _self._days : days // ignore: cast_nullable_to_non_nullable
+as List<WidgetDayInfo>,
   ));
 }
 

lib/widget_data/widget_data.g.dart

@@ -63,6 +63,20 @@ Map<String, dynamic> _$WidgetPeriodToJson(_WidgetPeriod instance) =>
       'virtualEndMinutes': instance.virtualEndMinutes,
     };
 
+_WidgetDayInfo _$WidgetDayInfoFromJson(Map<String, dynamic> json) =>
+    _WidgetDayInfo(
+      date: DateTime.parse(json['date'] as String),
+      isHoliday: json['isHoliday'] as bool? ?? false,
+      holidayName: json['holidayName'] as String?,
+    );
+
+Map<String, dynamic> _$WidgetDayInfoToJson(_WidgetDayInfo instance) =>
+    <String, dynamic>{
+      'date': instance.date.toIso8601String(),
+      'isHoliday': instance.isHoliday,
+      'holidayName': instance.holidayName,
+    };
+
 _WidgetTimetableData _$WidgetTimetableDataFromJson(Map<String, dynamic> json) =>
     _WidgetTimetableData(
       fetchedAt: DateTime.parse(json['fetchedAt'] as String),
@@ -77,6 +91,11 @@ _WidgetTimetableData _$WidgetTimetableDataFromJson(Map<String, dynamic> json) =>
           const <WidgetPeriod>[],
       isHoliday: json['isHoliday'] as bool? ?? false,
       holidayName: json['holidayName'] as String?,
+      days:
+          (json['days'] as List<dynamic>?)
+              ?.map((e) => WidgetDayInfo.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          const <WidgetDayInfo>[],
     );
 
 Map<String, dynamic> _$WidgetTimetableDataToJson(
@@ -88,4 +107,5 @@ Map<String, dynamic> _$WidgetTimetableDataToJson(
   'periods': instance.periods,
   'isHoliday': instance.isHoliday,
   'holidayName': instance.holidayName,
+  'days': instance.days,
 };

lib/widget_data/widget_data_mapper.dart

@@ -9,6 +9,8 @@ import '../api/marianumconnect/queries/timetable_get_timegrid/timetable_get_time
 import '../api/marianumconnect/queries/timetable_get_week/timetable_get_week_response.dart';
 import '../api/mhsl/custom_timetable_event/custom_timetable_event.dart';
 import '../api/mhsl/custom_timetable_event/get/get_custom_timetable_event_response.dart';
+import '../extensions/date_time.dart';
+import '../view/pages/timetable/data/lesson_labels.dart';
 import '../view/pages/timetable/data/lesson_merger.dart';
 import '../view/pages/timetable/data/lesson_period_schedule.dart';
 import '../view/pages/timetable/data/lesson_status.dart';
@@ -34,12 +36,20 @@ class WidgetDataMapper {
     return candidate;
   }
 
-  static DateTime resolveWeekAnchor(DateTime now) {
-    final anchor = resolveDayAnchor(now);
-    final monday = anchor.subtract(Duration(days: anchor.weekday - 1));
+  static DateTime resolveWeekAnchor(DateTime now) =>
+      startOfCalendarWeek(resolveDayAnchor(now));
+
+  /// Monday of the calendar week containing [reference] — no roll-forward,
+  /// unlike [resolveWeekAnchor]. Start of the week payload's 14-day window.
+  static DateTime startOfCalendarWeek(DateTime reference) {
+    final monday = reference.subtract(Duration(days: reference.weekday - 1));
     return DateTime(monday.year, monday.month, monday.day);
   }
 
+  /// Days covered by the week payload: current calendar week + the next, so
+  /// native renderers can roll the view forward without fresh data.
+  static const int weekWindowDays = 14;
+
   static WidgetTimetableData buildDayData({
     required DateTime now,
     required Iterable<McTimetableEntry> lessons,
@@ -49,6 +59,7 @@ class WidgetDataMapper {
     TimetableGetTimegridResponse? timegrid,
     GetCustomTimetableEventResponse? customEvents,
     bool connectDoubleLessons = true,
+    bool showClassInsteadOfTeacher = false,
   }) {
     final anchor = resolveDayAnchor(now);
     final holiday = _findHoliday(anchor, holidays);
@@ -59,7 +70,13 @@ class WidgetDataMapper {
         ? LessonMerger.merge(dayLessons)
         : dayLessons;
     final mapped = <WidgetLesson>[
-      ...source.map((l) => _mapLesson(l, now, subjects, rooms)),
+      ..._mapAll(
+        source,
+        now,
+        subjects,
+        rooms,
+        showClassInsteadOfTeacher: showClassInsteadOfTeacher,
+      ),
       ..._expandCustomEvents(customEvents, dayStart, dayEnd),
     ]..sort((a, b) => a.start.compareTo(b.start));
     return WidgetTimetableData(
@@ -81,12 +98,17 @@ class WidgetDataMapper {
     TimetableGetTimegridResponse? timegrid,
     GetCustomTimetableEventResponse? customEvents,
     bool connectDoubleLessons = true,
+    bool showClassInsteadOfTeacher = false,
   }) {
     final anchor = resolveWeekAnchor(now);
-    final endExclusive = anchor.add(const Duration(days: 5));
+    // The window is anchored at the *current* calendar week, not the
+    // (possibly rolled-forward) week anchor: on Friday evening the payload
+    // must still contain today for renderers that derive day slices.
+    final windowStart = startOfCalendarWeek(now);
+    final endExclusive = windowStart.add(const Duration(days: weekWindowDays));
     final weekLessons = lessons.where((l) {
       final dt = l.startDateTime;
-      return !dt.isBefore(anchor) && dt.isBefore(endExclusive);
+      return !dt.isBefore(windowStart) && dt.isBefore(endExclusive);
     }).toList();
     // Per-day merge: otherwise a 4th-period lesson on Mon would collapse with
     // a 1st-period lesson on Tue if subject/teacher match.
@@ -94,14 +116,45 @@ class WidgetDataMapper {
         ? _mergePerDay(weekLessons)
         : weekLessons;
     final mapped = <WidgetLesson>[
-      ...source.map((l) => _mapLesson(l, now, subjects, rooms)),
-      ..._expandCustomEvents(customEvents, anchor, endExclusive),
+      ..._mapAll(
+        source,
+        now,
+        subjects,
+        rooms,
+        showClassInsteadOfTeacher: showClassInsteadOfTeacher,
+      ),
+      ..._expandCustomEvents(customEvents, windowStart, endExclusive),
     ]..sort((a, b) => a.start.compareTo(b.start));
+    final days = [
+      for (var i = 0; i < weekWindowDays; i++)
+        _dayInfo(windowStart.addDays(i), holidays),
+    ];
+    // The anchor always lies inside the window; the orElse only guards the
+    // impossible.
+    final anchorInfo = days.firstWhere(
+      (d) => d.date == anchor,
+      orElse: () => _dayInfo(anchor, holidays),
+    );
     return WidgetTimetableData(
       fetchedAt: now,
       anchorDate: anchor,
       lessons: _resolveCollisions(mapped),
       periods: _resolvePeriods(timegrid),
+      isHoliday: anchorInfo.isHoliday,
+      holidayName: anchorInfo.holidayName,
+      days: days,
+    );
+  }
+
+  static WidgetDayInfo _dayInfo(
+    DateTime day,
+    TimetableGetHolidaysResponse? holidays,
+  ) {
+    final holiday = _findHoliday(day, holidays);
+    return WidgetDayInfo(
+      date: day,
+      isHoliday: holiday != null,
+      holidayName: holiday?.longName,
     );
   }
 
@@ -244,12 +297,29 @@ class WidgetDataMapper {
     return [for (final group in byDay.values) ...LessonMerger.merge(group)];
   }
 
+  static Iterable<WidgetLesson> _mapAll(
+    Iterable<McTimetableEntry> source,
+    DateTime now,
+    TimetableGetSubjectsResponse? subjects,
+    TimetableGetRoomsResponse? rooms, {
+    required bool showClassInsteadOfTeacher,
+  }) => source.map(
+    (l) => _mapLesson(
+      l,
+      now,
+      subjects,
+      rooms,
+      showClassInsteadOfTeacher: showClassInsteadOfTeacher,
+    ),
+  );
+
   static WidgetLesson _mapLesson(
     McTimetableEntry lesson,
     DateTime now,
     TimetableGetSubjectsResponse? subjects,
-    TimetableGetRoomsResponse? rooms,
-  ) {
+    TimetableGetRoomsResponse? rooms, {
+    bool showClassInsteadOfTeacher = false,
+  }) {
     final start = lesson.startDateTime;
     final end = lesson.endDateTime;
     final status = _mapStatus(
@@ -276,8 +346,14 @@ class WidgetDataMapper {
           roomName;
     }
     final teacher = lesson.teachers.firstOrNull;
-    final teacherName = teacher?.shortName;
-    final originalTeacher = teacher?.originalShortName;
+    // Lehrerpläne: Klasse in den Teacher-Slot mappen, damit die nativen
+    // Renderer unverändert bleiben. Klassenlose Einträge (Aufsichten) behalten
+    // den Lehrer als Fallback.
+    final classLabel = showClassInsteadOfTeacher ? lesson.classLabel : null;
+    final teacherName = classLabel ?? teacher?.shortName;
+    final originalTeacher = classLabel != null
+        ? null
+        : teacher?.originalShortName;
     return WidgetLesson(
       start: start,
       end: end,

lib/widget_data/widget_publisher.dart

@@ -22,14 +22,18 @@ class WidgetPublisher {
   static Future<void> publishFromBlocState(
     TimetableState state, {
     Settings? settings,
+    bool isTeacher = false,
   }) async {
     try {
       final connectDouble =
           settings?.timetableSettings.connectDoubleLessons ?? true;
       // Mirror into widget storage so the background isolate sees the same
-      // value the user just toggled.
-      await WidgetSync.setConnectDoubleLessons(connectDouble);
-      await WidgetSync.setThemeMode(_themeName(settings?.appTheme));
+      // values the user just toggled — concurrently, they are independent.
+      await Future.wait([
+        WidgetSync.setConnectDoubleLessons(connectDouble),
+        WidgetSync.setThemeMode(_themeName(settings?.appTheme)),
+        WidgetSync.setIsTeacher(isTeacher),
+      ]);
       final lessons = state.getAllKnownLessons();
       final now = widgetNow();
       final dayData = WidgetDataMapper.buildDayData(
@@ -41,6 +45,7 @@ class WidgetPublisher {
         timegrid: state.timegrid,
         customEvents: state.customEvents,
         connectDoubleLessons: connectDouble,
+        showClassInsteadOfTeacher: isTeacher,
       );
       final weekData = WidgetDataMapper.buildWeekData(
         now: now,
@@ -51,6 +56,7 @@ class WidgetPublisher {
         timegrid: state.timegrid,
         customEvents: state.customEvents,
         connectDoubleLessons: connectDouble,
+        showClassInsteadOfTeacher: isTeacher,
       );
       await WidgetSync.writeDayData(dayData);
       await WidgetSync.writeWeekData(weekData);

lib/widget_data/widget_sync.dart

@@ -12,14 +12,18 @@ class WidgetSync {
   static const String iosAppGroupId =
       'group.eu.mhsl.marianum.mobile.client.widget';
 
-  static const String iosWidgetKind = 'TimetableWidget';
+  // Must match the WidgetKit `kind` strings declared in
+  // TimetableWidgetExtension.swift — a mismatch makes reloadTimelines a no-op.
+  static const String iosDayWidgetKind = 'TimetableDayWidget';
+  static const String iosWeekWidgetKind = 'TimetableWeekWidget';
   static const String androidDayProvider = 'TimetableDayWidget';
   static const String androidWeekProvider = 'TimetableWeekWidget';
 
-  // `_v1` suffix lets a future schema change invalidate stale snapshots
-  // by bumping the key instead of risking a parse crash.
+  // Version suffix lets a schema change invalidate stale snapshots by
+  // bumping the key instead of risking a parse crash.
   static const String dayDataKey = 'widget_data_day_v1';
-  static const String weekDataKey = 'widget_data_week_v1';
+  // v2: 14-day window + per-day `days` holiday info.
+  static const String weekDataKey = 'widget_data_week_v2';
   static const String fetchedAtKey = 'widget_data_fetched_at_v1';
   static const String loggedInKey = 'widget_data_logged_in_v1';
   // Mirrored into widget storage so the background isolate can read it
@@ -27,6 +31,9 @@ class WidgetSync {
   static const String connectDoubleLessonsKey =
       'widget_setting_connect_double_lessons_v1';
   static const String themeModeKey = 'widget_setting_theme_mode_v1';
+  // Mirrored from CapabilitiesCubit so the background isolate can render
+  // teacher plans (class instead of teacher name) without bloc storage.
+  static const String isTeacherKey = 'widget_setting_is_teacher_v1';
   // Mirrored so the background isolate hits the same Marianum-Connect base
   // URL the in-app settings cubit currently has selected.
   static const String marianumConnectBaseUrlKey = 'widget_setting_mc_base_url_v1';
@@ -54,25 +61,30 @@ class WidgetSync {
     );
   }
 
-  static Future<void> setLoggedIn(bool loggedIn) async {
-    await ensureInitialized();
-    await HomeWidget.saveWidgetData<bool>(loggedInKey, loggedIn);
-  }
+  static Future<void> setLoggedIn(bool loggedIn) =>
+      _setBool(loggedInKey, loggedIn);
 
-  static Future<void> setConnectDoubleLessons(bool value) async {
-    await ensureInitialized();
-    await HomeWidget.saveWidgetData<bool>(connectDoubleLessonsKey, value);
-  }
+  static Future<void> setConnectDoubleLessons(bool value) =>
+      _setBool(connectDoubleLessonsKey, value);
 
   /// Default `true` matches `default_settings.dart` — fresh install behaves
   /// like the in-app calendar.
-  static Future<bool> getConnectDoubleLessons() async {
+  static Future<bool> getConnectDoubleLessons() =>
+      _getBool(connectDoubleLessonsKey, defaultValue: true);
+
+  static Future<void> setIsTeacher(bool value) => _setBool(isTeacherKey, value);
+
+  static Future<bool> getIsTeacher() =>
+      _getBool(isTeacherKey, defaultValue: false);
+
+  static Future<void> _setBool(String key, bool value) async {
     await ensureInitialized();
-    final value = await HomeWidget.getWidgetData<bool>(
-      connectDoubleLessonsKey,
-      defaultValue: true,
-    );
-    return value ?? true;
+    await HomeWidget.saveWidgetData<bool>(key, value);
+  }
+
+  static Future<bool> _getBool(String key, {required bool defaultValue}) async {
+    await ensureInitialized();
+    return await HomeWidget.getWidgetData<bool>(key) ?? defaultValue;
   }
 
   static Future<void> setThemeMode(String mode) async {
@@ -90,6 +102,12 @@ class WidgetSync {
     return HomeWidget.getWidgetData<String>(marianumConnectBaseUrlKey);
   }
 
+  static Future<DateTime?> getFetchedAt() async {
+    await ensureInitialized();
+    final raw = await HomeWidget.getWidgetData<String>(fetchedAtKey);
+    return raw == null ? null : DateTime.tryParse(raw);
+  }
+
   static Future<void> clear() async {
     await ensureInitialized();
     await HomeWidget.saveWidgetData<String>(dayDataKey, null);
@@ -103,11 +121,11 @@ class WidgetSync {
     try {
       await HomeWidget.updateWidget(
         androidName: androidDayProvider,
-        iOSName: iosWidgetKind,
+        iOSName: iosDayWidgetKind,
       );
       await HomeWidget.updateWidget(
         androidName: androidWeekProvider,
-        iOSName: iosWidgetKind,
+        iOSName: iosWeekWidgetKind,
       );
     } on Exception catch (e) {
       log('WidgetSync.triggerUpdate failed: $e');

pubspec.yaml

@@ -3,7 +3,7 @@ description: Mobile client for Webuntis and Nextcloud with Talk integration
 
 publish_to: 'none'
 
-version: 1.4.0+59
+version: 1.5.2+62
 environment:
   sdk: ">=3.8.0 <4.0.0"
 
@@ -99,15 +99,13 @@ dependencies:
   app_settings: ^7.0.0
   flutter_layout_grid: ^2.0.8
   flutter_markdown_plus: ^1.0.12
+  integration_test:
+    sdk: flutter
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
   # Screenshot-Automatisierung für den Play Store: treibt den Demo-Login über
-  # flutter drive und ruft binding.takeScreenshot pro Hauptscreen auf
-  # (integration_test/ + test_driver/, orchestriert von tool/screenshots.sh).
-  integration_test:
-    sdk: flutter
   fake_async: ^1.3.1
 
   flutter_launcher_icons: ^0.14.3

test/api/marianumcloud/login_flow_api_test.dart

@@ -0,0 +1,108 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:marianum_mobile/api/marianumcloud/login_flow/login_flow_api.dart';
+
+void main() {
+  group('LoginFlowInit.fromJson', () {
+    test('parses a complete init response', () {
+      final init = LoginFlowInit.fromJson({
+        'poll': {
+          'token': 'abc123',
+          'endpoint': 'https://cloud.example.org/login/v2/poll',
+        },
+        'login': 'https://cloud.example.org/login/v2/flow/xyz',
+      });
+      expect(init.loginUrl, 'https://cloud.example.org/login/v2/flow/xyz');
+      expect(init.pollToken, 'abc123');
+      expect(init.pollEndpoint, 'https://cloud.example.org/login/v2/poll');
+    });
+
+    test('throws on missing login url', () {
+      expect(
+        () => LoginFlowInit.fromJson({
+          'poll': {'token': 't', 'endpoint': 'e'},
+        }),
+        throwsFormatException,
+      );
+    });
+
+    test('throws on missing poll token or endpoint', () {
+      expect(
+        () => LoginFlowInit.fromJson({
+          'poll': {'endpoint': 'e'},
+          'login': 'l',
+        }),
+        throwsFormatException,
+      );
+      expect(
+        () => LoginFlowInit.fromJson({
+          'poll': {'token': 't'},
+          'login': 'l',
+        }),
+        throwsFormatException,
+      );
+      expect(
+        () => LoginFlowInit.fromJson({'login': 'l'}),
+        throwsFormatException,
+      );
+    });
+  });
+
+  group('LoginFlowCredentials.fromJson', () {
+    test('parses a complete poll response', () {
+      final credentials = LoginFlowCredentials.fromJson({
+        'server': 'https://cloud.example.org',
+        'loginName': 'jdoe',
+        'appPassword': 'secret-app-password',
+      });
+      expect(credentials.server, 'https://cloud.example.org');
+      expect(credentials.loginName, 'jdoe');
+      expect(credentials.appPassword, 'secret-app-password');
+    });
+
+    test('tolerates a missing server field', () {
+      final credentials = LoginFlowCredentials.fromJson({
+        'loginName': 'jdoe',
+        'appPassword': 'secret',
+      });
+      expect(credentials.server, '');
+    });
+
+    test('throws on missing loginName or appPassword', () {
+      expect(
+        () => LoginFlowCredentials.fromJson({'appPassword': 'secret'}),
+        throwsFormatException,
+      );
+      expect(
+        () => LoginFlowCredentials.fromJson({'loginName': 'jdoe'}),
+        throwsFormatException,
+      );
+      expect(
+        () => LoginFlowCredentials.fromJson({
+          'loginName': 'jdoe',
+          'appPassword': '',
+        }),
+        throwsFormatException,
+      );
+    });
+  });
+
+  group('LoginFlowApi.loginNameMatches', () {
+    test('matches case-insensitively and ignores surrounding whitespace', () {
+      expect(
+        LoginFlowApi.loginNameMatches(expected: 'jdoe', actual: 'JDoe'),
+        isTrue,
+      );
+      expect(
+        LoginFlowApi.loginNameMatches(expected: 'jdoe', actual: ' jdoe '),
+        isTrue,
+      );
+    });
+
+    test('rejects a different account', () {
+      expect(
+        LoginFlowApi.loginNameMatches(expected: 'jdoe', actual: 'other'),
+        isFalse,
+      );
+    });
+  });
+}

test/background/widget_background_task_test.dart

@@ -0,0 +1,67 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:marianum_mobile/background/widget_background_task.dart';
+
+void main() {
+  final now = DateTime(2026, 8, 6, 12, 0);
+
+  group('shouldSkipRefresh', () {
+    test('skips when the snapshot is younger than the debounce window', () {
+      expect(
+        shouldSkipRefresh(
+          fetchedAt: now.subtract(const Duration(minutes: 5)),
+          now: now,
+          force: false,
+        ),
+        isTrue,
+      );
+    });
+
+    test('refreshes when the snapshot is older than the debounce window', () {
+      expect(
+        shouldSkipRefresh(
+          fetchedAt: now.subtract(const Duration(minutes: 15)),
+          now: now,
+          force: false,
+        ),
+        isFalse,
+      );
+    });
+
+    test('refreshes exactly at the debounce boundary', () {
+      expect(
+        shouldSkipRefresh(
+          fetchedAt: now.subtract(WidgetBackgroundTask.refreshDebounce),
+          now: now,
+          force: false,
+        ),
+        isFalse,
+      );
+    });
+
+    test('force bypasses a fresh snapshot', () {
+      expect(
+        shouldSkipRefresh(
+          fetchedAt: now.subtract(const Duration(minutes: 1)),
+          now: now,
+          force: true,
+        ),
+        isFalse,
+      );
+    });
+
+    test('refreshes when no snapshot exists yet', () {
+      expect(shouldSkipRefresh(fetchedAt: null, now: now, force: false), isFalse);
+    });
+
+    test('refreshes when fetchedAt lies in the future (clock change)', () {
+      expect(
+        shouldSkipRefresh(
+          fetchedAt: now.add(const Duration(minutes: 5)),
+          now: now,
+          force: false,
+        ),
+        isFalse,
+      );
+    });
+  });
+}

test/push/push_dual_registration_test.dart

@@ -53,6 +53,45 @@ void main() {
     });
   });
 
+  group('registrationTypesFor', () {
+    test('password accounts maintain both registrations', () {
+      expect(
+        PushRegistration.registrationTypesFor(
+          usesLoginFlow: false,
+          hasTalkAppPassword: false,
+        ),
+        PushRegistrationType.values,
+      );
+      expect(
+        PushRegistration.registrationTypesFor(
+          usesLoginFlow: false,
+          hasTalkAppPassword: true,
+        ),
+        PushRegistrationType.values,
+      );
+    });
+
+    test('flow account without talk app password is talk-only', () {
+      expect(
+        PushRegistration.registrationTypesFor(
+          usesLoginFlow: true,
+          hasTalkAppPassword: false,
+        ),
+        [PushRegistrationType.talk],
+      );
+    });
+
+    test('flow account with second (talk) app password maintains both', () {
+      expect(
+        PushRegistration.registrationTypesFor(
+          usesLoginFlow: true,
+          hasTalkAppPassword: true,
+        ),
+        PushRegistrationType.values,
+      );
+    });
+  });
+
   group('pushTokenVariant', () {
     test('general uses the raw token, talk appends the suffix', () {
       expect(pushTokenVariant('tok', PushRegistrationType.general), 'tok');

test/push/push_message_handler_test.dart

@@ -17,6 +17,47 @@ void main() {
       );
     });
 
+    test('widget refresh push identified by source + type', () {
+      expect(
+        classifyPush({'source': 'connect', 'type': 'widget-refresh'}),
+        PushKind.widgetRefresh,
+      );
+    });
+
+    test('widget refresh push with reason still classifies', () {
+      expect(
+        classifyPush({
+          'source': 'connect',
+          'type': 'widget-refresh',
+          'reason': 'morning',
+        }),
+        PushKind.widgetRefresh,
+      );
+    });
+
+    test('connect push with unrelated type stays connect', () {
+      expect(
+        classifyPush({'source': 'connect', 'type': 'newsletter', 'title': 'Hi'}),
+        PushKind.connect,
+      );
+    });
+
+    test('nextcloud fields take precedence over widget-refresh type', () {
+      expect(
+        classifyPush({
+          'subject': 'enc',
+          'signature': 'sig',
+          'source': 'connect',
+          'type': 'widget-refresh',
+        }),
+        PushKind.nextcloud,
+      );
+    });
+
+    test('widget-refresh type without connect source is unknown', () {
+      expect(classifyPush({'type': 'widget-refresh'}), PushKind.unknown);
+    });
+
     test('subject without signature is not a nextcloud push', () {
       expect(classifyPush({'subject': 'enc'}), PushKind.unknown);
     });

test/view/timetable/teacher_class_label_test.dart

@@ -0,0 +1,93 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:marianum_mobile/api/marianumconnect/queries/timetable_get_week/timetable_get_week_response.dart';
+import 'package:marianum_mobile/storage/timetable_settings.dart';
+import 'package:marianum_mobile/view/pages/timetable/data/lesson_merger.dart';
+import 'package:marianum_mobile/view/pages/timetable/data/timetable_appointment_factory.dart';
+import 'package:marianum_mobile/view/pages/timetable/data/timetable_name_mode.dart';
+
+McTimetableEntry _lesson({
+  int id = 1,
+  int hour = 8,
+  int minute = 0,
+  List<String> classNames = const ['7a'],
+  List<String> subjects = const ['M'],
+  List<String> rooms = const ['A101'],
+}) => McTimetableEntry(
+  id: id,
+  date: DateTime(2026, 5, 4),
+  startTime: DateTime(1970, 1, 1, hour, minute),
+  endTime: DateTime(1970, 1, 1, hour, minute + 45),
+  subjects: subjects,
+  teachers: [McTimetableTeacher(shortName: 'MUE', displayName: 'Stefan Müller')],
+  rooms: rooms,
+  classNames: classNames,
+  lessonType: 'LESSON',
+  status: 'REGULAR',
+  substitutionText: null,
+  lessonText: null,
+  infoText: null,
+);
+
+final _settings = TimetableSettings(
+  connectDoubleLessons: false,
+  timetableNameMode: TimetableNameMode.name,
+);
+
+String _location({
+  required bool showClassInsteadOfTeacher,
+  List<String> classNames = const ['7a'],
+}) => TimetableAppointmentFactory(
+  lessons: [_lesson(classNames: classNames)],
+  customEvents: const [],
+  subjects: const [],
+  settings: _settings,
+  now: DateTime(2026, 5, 4),
+  showClassInsteadOfTeacher: showClassInsteadOfTeacher,
+).build().single.location!;
+
+void main() {
+  group('teacher plan tile label', () {
+    test('shows the teacher surname by default', () {
+      expect(_location(showClassInsteadOfTeacher: false), 'A101\nMüller');
+    });
+
+    test('shows the class instead of the teacher on teacher plans', () {
+      expect(_location(showClassInsteadOfTeacher: true), 'A101\n7a');
+    });
+
+    test('joins multiple classes', () {
+      expect(
+        _location(
+          showClassInsteadOfTeacher: true,
+          classNames: const ['7a', '7b'],
+        ),
+        'A101\n7a, 7b',
+      );
+    });
+
+    test('falls back to the teacher when the entry has no class', () {
+      expect(
+        _location(showClassInsteadOfTeacher: true, classNames: const []),
+        'A101\nMüller',
+      );
+    });
+  });
+
+  group('lesson merger class separation', () {
+    test('does not merge back-to-back lessons of different classes', () {
+      final merged = LessonMerger.merge([
+        _lesson(id: 1, hour: 8, classNames: const ['7a']),
+        _lesson(id: 2, hour: 8, minute: 45, classNames: const ['7b']),
+      ]);
+      expect(merged, hasLength(2));
+    });
+
+    test('still merges back-to-back lessons of the same class', () {
+      final merged = LessonMerger.merge([
+        _lesson(id: 1, hour: 8),
+        _lesson(id: 2, hour: 8, minute: 45),
+      ]);
+      expect(merged, hasLength(1));
+    });
+  });
+}

test/widget/route_transition_gate_test.dart

@@ -0,0 +1,86 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:marianum_mobile/widget/route_transition_gate.dart';
+
+void main() {
+  const gated = Key('gated-child');
+  const placeholder = Key('gate-placeholder');
+
+  Widget gatedPage() => Scaffold(
+    body: RouteTransitionGate(
+      placeholder: const SizedBox(key: placeholder),
+      builder: (_) => const SizedBox(key: gated),
+    ),
+  );
+
+  Future<void> pumpApp(WidgetTester tester) async {
+    await tester.pumpWidget(
+      MaterialApp(home: Builder(builder: (_) => const Scaffold())),
+    );
+  }
+
+  NavigatorState navigator(WidgetTester tester) =>
+      tester.state<NavigatorState>(find.byType(Navigator));
+
+  testWidgets('shows placeholder during push, child once settled', (
+    tester,
+  ) async {
+    await pumpApp(tester);
+    unawaited(
+      navigator(tester).push(MaterialPageRoute<void>(builder: (_) => gatedPage())),
+    );
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 50));
+
+    expect(find.byKey(placeholder), findsOneWidget);
+    expect(find.byKey(gated), findsNothing);
+
+    await tester.pumpAndSettle();
+    expect(find.byKey(gated), findsOneWidget);
+    expect(find.byKey(placeholder), findsNothing);
+  });
+
+  testWidgets('swaps back to placeholder while the route pops', (tester) async {
+    await pumpApp(tester);
+    unawaited(
+      navigator(tester).push(MaterialPageRoute<void>(builder: (_) => gatedPage())),
+    );
+    await tester.pumpAndSettle();
+    expect(find.byKey(gated), findsOneWidget);
+
+    navigator(tester).pop();
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 50));
+
+    expect(find.byKey(gated), findsNothing);
+    expect(find.byKey(placeholder), findsOneWidget);
+  });
+
+  testWidgets('gates during a secondary transition and recovers after pop', (
+    tester,
+  ) async {
+    await pumpApp(tester);
+    unawaited(
+      navigator(tester).push(MaterialPageRoute<void>(builder: (_) => gatedPage())),
+    );
+    await tester.pumpAndSettle();
+    expect(find.byKey(gated), findsOneWidget);
+
+    unawaited(
+      navigator(tester).push(MaterialPageRoute<void>(builder: (_) => const Scaffold())),
+    );
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 50));
+    // Mid secondary transition the fragile subtree must be unmounted.
+    expect(find.byKey(gated), findsNothing);
+
+    await tester.pumpAndSettle();
+    navigator(tester).pop();
+    await tester.pumpAndSettle();
+    // Back at rest on the gated route: child is mounted again.
+    expect(find.byKey(gated), findsOneWidget);
+    expect(find.byKey(placeholder), findsNothing);
+  });
+}

test/widget_data/widget_data_mapper_test.dart

@@ -345,15 +345,32 @@ void main() {
     });
   });
 
+  group('startOfCalendarWeek', () {
+    test('Tuesday maps to its own Monday', () {
+      expect(
+        WidgetDataMapper.startOfCalendarWeek(DateTime(2026, 5, 5, 10)),
+        DateTime(2026, 5, 4),
+      );
+    });
+
+    test('Sunday stays in the current week (no roll-forward)', () {
+      expect(
+        WidgetDataMapper.startOfCalendarWeek(DateTime(2026, 5, 10, 22)),
+        DateTime(2026, 5, 4),
+      );
+    });
+  });
+
   group('buildWeekData', () {
     final now = DateTime(2026, 5, 5, 10); // Tuesday
 
-    test('contains lessons across the school week', () {
+    test('covers the 14-day window including next week', () {
       final lessons = [
         _lesson(date: DateTime(2026, 5, 4), startHhmm: 800, endHhmm: 845, subjectName: 'MO'),
         _lesson(date: DateTime(2026, 5, 6), startHhmm: 800, endHhmm: 845, subjectName: 'WE'),
         _lesson(date: DateTime(2026, 5, 8), startHhmm: 800, endHhmm: 845, subjectName: 'FR'),
         _lesson(date: DateTime(2026, 5, 11), startHhmm: 800, endHhmm: 845, subjectName: 'NEXT'),
+        _lesson(date: DateTime(2026, 5, 18), startHhmm: 800, endHhmm: 845, subjectName: 'FAR'),
       ];
       final data = WidgetDataMapper.buildWeekData(
         now: now,
@@ -365,8 +382,82 @@ void main() {
       expect(data.anchorDate, DateTime(2026, 5, 4));
       expect(
         data.lessons.map((l) => l.subjectShort).toList(),
-        ['MO', 'WE', 'FR'],
+        ['MO', 'WE', 'FR', 'NEXT'],
       );
     });
+
+    test('window stays on the current week when the anchor rolls forward', () {
+      // Friday evening: day/week anchors jump to next Monday, but the window
+      // still starts at the current week's Monday so today stays available.
+      final fridayEvening = DateTime(2026, 5, 8, 18);
+      final lessons = [
+        _lesson(date: DateTime(2026, 5, 8), startHhmm: 800, endHhmm: 845, subjectName: 'FR'),
+        _lesson(date: DateTime(2026, 5, 11), startHhmm: 800, endHhmm: 845, subjectName: 'NEXT'),
+      ];
+      final data = WidgetDataMapper.buildWeekData(
+        now: fridayEvening,
+        lessons: lessons,
+        subjects: null,
+        rooms: null,
+        holidays: null,
+      );
+      expect(data.anchorDate, DateTime(2026, 5, 11));
+      expect(
+        data.lessons.map((l) => l.subjectShort).toList(),
+        ['FR', 'NEXT'],
+      );
+    });
+
+    test('carries per-day holiday info in days', () {
+      final holidays = TimetableGetHolidaysResponse(
+        result: [
+          McHoliday(
+            shortName: 'Pfingsten',
+            longName: 'Pfingstferien',
+            startDate: DateTime(2026, 5, 14),
+            endDate: DateTime(2026, 5, 15),
+          ),
+        ],
+      );
+      final data = WidgetDataMapper.buildWeekData(
+        now: now,
+        lessons: const [],
+        subjects: null,
+        rooms: null,
+        holidays: holidays,
+      );
+      expect(data.days, hasLength(WidgetDataMapper.weekWindowDays));
+      expect(data.days.first.date, DateTime(2026, 5, 4));
+      expect(data.days.last.date, DateTime(2026, 5, 17));
+      final holidayDays =
+          data.days.where((d) => d.isHoliday).map((d) => d.date).toList();
+      expect(holidayDays, [DateTime(2026, 5, 14), DateTime(2026, 5, 15)]);
+      expect(
+        data.days.firstWhere((d) => d.isHoliday).holidayName,
+        'Pfingstferien',
+      );
+    });
+
+    test('sets top-level holiday flags for the anchor day', () {
+      final holidays = TimetableGetHolidaysResponse(
+        result: [
+          McHoliday(
+            shortName: 'Oster',
+            longName: 'Osterferien',
+            startDate: DateTime(2026, 5, 4),
+            endDate: DateTime(2026, 5, 8),
+          ),
+        ],
+      );
+      final data = WidgetDataMapper.buildWeekData(
+        now: now,
+        lessons: const [],
+        subjects: null,
+        rooms: null,
+        holidays: holidays,
+      );
+      expect(data.isHoliday, isTrue);
+      expect(data.holidayName, 'Osterferien');
+    });
   });
 }