Annahmedialog auf Auftragsliste unterdrückt und MQTT-Wiederholungen abgesichert

Unterschriftenerfassung dauerhaft auf Deutsch anzeigen, lokale VHS-Buildkonfiguration und Regressionstests ergänzen sowie Version auf 357.0.0+357 anheben.

.claude/settings.local.json

@@ -8,7 +8,16 @@
       "Bash(source ~/.bash_profile)",
       "Bash(/Users/svencarstensen/Documents/Entwicklung/flutter/bin/flutter pub:*)",
       "Bash(/Users/svencarstensen/Documents/Entwicklung/flutter/bin/flutter analyze:*)",
-      "Bash(/Users/svencarstensen/Documents/Entwicklung/flutter/bin/flutter:*)"
+      "Bash(/Users/svencarstensen/Documents/Entwicklung/flutter/bin/flutter:*)",
+      "Bash(flutter emulators *)",
+      "Bash(flutter devices *)",
+      "Read(//Users/svencarstensen/development/flutter/bin/**)",
+      "Read(//Users/svencarstensen/**)",
+      "Read(//Users/svencarstensen/Library/Android/sdk/emulator/**)",
+      "Bash(~/Library/Android/sdk/emulator/emulator -list-avds)",
+      "Read(//Users/svencarstensen/.android/avd/**)",
+      "Bash(xcrun simctl *)",
+      "Read(//opt/homebrew/Caskroom/**)"
     ]
   }
 }

.gitignore

@@ -45,3 +45,9 @@ app.*.map.json
 /android/app/debug
 /android/app/profile
 /android/app/release
+
+# Java heap dumps
+*.hprof
+
+# Lokale Build-Konfigurationen mit Zugangsdaten
+/config/*.local.json

.vscode/launch.json

@@ -6,7 +6,7 @@
             "request": "launch",
             "type": "dart",
             "flutterMode": "debug",
-            "deviceId": "emulator-5554",
+            "emulatorId": "Pixel_10_Pro",
             "program": "lib/main.dart"
         },
         {
@@ -14,7 +14,7 @@
             "request": "launch",
             "type": "dart",
             "flutterMode": "release",
-            "deviceId": "emulator-5554",
+            "emulatorId": "Pixel_10_Pro",
             "program": "lib/main.dart"
         },
         {

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "java.configuration.updateBuildConfiguration": "automatic"
+}

android/app/src/main/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="de.assecutor.stadtbote">
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
    <application
         android:label="Stadtbote"
         android:name="${applicationName}"

android/app/src/main/kotlin/de/assecutor/stadtbote/MainActivity.kt

@@ -1,5 +1,32 @@
 package de.assecutor.stadtbote
 
+import android.Manifest
+import android.content.pm.PackageManager
+import android.os.Build
+import android.os.Bundle
 import io.flutter.embedding.android.FlutterActivity
 
-class MainActivity: FlutterActivity()
+class MainActivity: FlutterActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        requestNotificationPermissionIfNeeded()
+    }
+
+    /**
+     * Ab Android 13 (API 33) ist POST_NOTIFICATIONS eine "dangerous" Permission,
+     * die zur Laufzeit angefragt werden muss. Ohne sie darf die App keine
+     * Benachrichtigungen anzeigen und der Schalter in den Systemeinstellungen
+     * bleibt ausgegraut.
+     */
+    private fun requestNotificationPermissionIfNeeded() {
+        if (Build.VERSION.SDK_INT >= 33 &&
+            checkSelfPermission(Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            requestPermissions(arrayOf(Manifest.permission.POST_NOTIFICATIONS), REQUEST_CODE_POST_NOTIFICATIONS)
+        }
+    }
+
+    companion object {
+        private const val REQUEST_CODE_POST_NOTIFICATIONS = 1001
+    }
+}

android/gradle.properties

@@ -1,3 +1,7 @@
 org.gradle.jvmargs=-Xmx4096M -XX:MaxMetaspaceSize=512m
 android.useAndroidX=true
 android.enableJetifier=true
+# This builtInKotlin flag was added automatically by Flutter migrator
+android.builtInKotlin=false
+# This newDsl flag was added automatically by Flutter migrator
+android.newDsl=false

android/settings.gradle

@@ -19,7 +19,7 @@ pluginManagement {
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
     id "com.android.application" version "8.9.1" apply false
-    id "org.jetbrains.kotlin.android" version "2.1.0" apply false
+    id "org.jetbrains.kotlin.android" version "2.2.20" apply false
 }
 
 include ":app"

lib/content_views/messages_page.dart

@@ -91,13 +91,12 @@ class _MessagesPageState extends State<MessagesPage> with ProducerMixin {
   void _handleSendPressed(types.PartialText text) async {
     var now = DateTime.now();
 
-    var message = sbmessage.ChatMessage();
+    final message = sbmessage.ChatMessage.outgoing(
-    message.text = text.text;
+      externalId: await sbmessage.ChatMessage.getNextId(),
-    message.from = _sid;
+      time: Util.nowUnixSecondsUtc(),
-    message.subj = '';
+      from: _sid,
-    message.time = Util.nowUnixSecondsUtc();
+      text: text.text,
-    message.read = true;
+    );
-    message.id = await sbmessage.ChatMessage.getNextId();
 
     final box = MyApp.objectBoxStore.box<sbmessage.ChatMessage>();
     box.put(message);
@@ -205,7 +204,8 @@ class _MessagesPageState extends State<MessagesPage> with ProducerMixin {
     if (unreadChatMessages.isNotEmpty) {
       List<String> chatMessageIds = [];
       for (var message in unreadChatMessages) {
-        chatMessageIds.add(message.id.toString());
+        // Der Server erwartet seine Nachrichten-ID, nicht die lokale ObjectBox-ID.
+        chatMessageIds.add(message.externalId.toString());
       }
 
       var chatMessagesShowed = ChatMessagesReceived();

lib/content_views/task_list_page.dart

@@ -2,6 +2,8 @@ import 'dart:convert';
 
 import 'package:dart_mq/dart_mq.dart';
 import 'package:flutter/material.dart';
+// TEMP (nur zum Testen, s. _tempTaskJsonUrl): wieder entfernen.
+import 'package:http/http.dart' as http;
 import 'package:flutter/services.dart';
 import 'package:image/image.dart' as image_lib;
 import 'package:intl/intl.dart';
@@ -25,6 +27,44 @@ import '../model/tour_task.dart';
 import '../tools/app_localizations.dart';
 import '../tools/util.dart';
 
+// =============================================================================
+// TEMPORÄR — NUR ZUM TESTEN, WIEDER ENTFERNEN
+//
+// Lädt das Aufgaben-JSON beim Öffnen der Seite von einer Webseite statt die
+// Aufgaben der übergebenen Tour zu verwenden. Die URL muss entweder eine
+// JSON-Liste von Aufgaben liefern oder ein Objekt mit einer "tasks"-Liste.
+//
+// Zum Entfernen: diesen Block, den http-Import oben und die mit
+// "TEMP" markierte Zeile in _fetchTaskList() löschen. Alternativ die URL auf
+// null setzen, dann greift wieder das normale Verhalten (auch bei Ladefehler).
+// =============================================================================
+// ignore: unnecessary_nullable_for_final_variable_declarations
+const String? _tempTaskJsonUrl = "https://appcreation.de/download/task.json";
+
+Future<List<TourTask>?> _tempLoadTasksFromWeb() async {
+  final url = _tempTaskJsonUrl;
+  if (url == null) {
+    return null;
+  }
+
+  try {
+    final response = await http.get(Uri.parse(url));
+    if (response.statusCode != 200) {
+      debugPrint("TEMP: Aufgaben-JSON laden fehlgeschlagen, HTTP ${response.statusCode}");
+      return null;
+    }
+
+    final decoded = jsonDecode(utf8.decode(response.bodyBytes));
+    final list = decoded is List ? decoded : (decoded as Map<String, dynamic>)['tasks'] as List<dynamic>;
+
+    return list.map((e) => TourTask.fromJson(e as Map<String, dynamic>)).toList();
+  } catch (e) {
+    debugPrint("TEMP: Aufgaben-JSON laden fehlgeschlagen: $e");
+    return null;
+  }
+}
+// ========================================================== ENDE TEMPORÄR ====
+
 /// Seiten-Wizard zur Bearbeitung der Aufgaben einer Tour. Pro Aufgabe wird
 /// genau eine Seite angezeigt; mit „Zurück"/„Weiter" navigiert der Bearbeiter
 /// zwischen den Aufgaben, die letzte Seite schließt die Tour ab.
@@ -98,7 +138,10 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
   Future<List<TaskInfo>> _fetchTaskList() async {
     List<TaskInfo> taskList = [];
 
-    for (var task in widget.tour.tasks!) {
+    // TEMP (nur zum Testen): Aufgaben von Webseite statt aus der Tour laden.
+    final tasks = await _tempLoadTasksFromWeb() ?? widget.tour.tasks!;
+
+    for (var task in tasks) {
       final box = MyApp.objectBoxStore.box<TaskInfo>();
       final query = box.query(TaskInfo_.sId.equals(task.sId)).build();
       var taskInfo = query.findFirst();
@@ -122,6 +165,14 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
   // Aufbau der Seite
   // ---------------------------------------------------------------------------
 
+  String _taskText(TaskInfo taskInfo, String key) {
+    // Die Unterschriftenerfassung bleibt unabhängig von der App-Sprache deutsch.
+    return AppLocalizations.tr(
+      key,
+      language: taskInfo.task?.effectiveType == 2 ? AppLanguage.german : null,
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     if (!_initCompleted) {
@@ -147,13 +198,13 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
             child: Padding(
               padding: const EdgeInsets.only(bottom: 6),
               child: Text(
-                '${'commission_number_short'.tr}: $_commisionNumber',
+                '${_taskText(taskInfo, 'commission_number_short')}: $_commisionNumber',
                 style: const TextStyle(fontSize: 18),
               ),
             ),
           ),
           Text(
-            '${'task'.tr} ${_index + 1} / ${_taskList.length}',
+            '${_taskText(taskInfo, 'task')} ${_index + 1} / ${_taskList.length}',
             style: const TextStyle(fontSize: 13, color: Colors.grey),
           ),
           const SizedBox(height: 4),
@@ -172,7 +223,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
                     children: [
                       Expanded(
                         child: Text(
-                          (taskInfo.task?.topic ?? '') + ((taskInfo.task?.opt ?? false) ? "" : " *"),
+                          (taskInfo.task?.topic ?? '') + (_isTaskOptional(taskInfo) ? "" : " *"),
                           style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
                         ),
                       ),
@@ -195,7 +246,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
             children: [
               Expanded(
                 child: _navButton(
-                  'back'.tr,
+                  _taskText(taskInfo, 'back'),
                   _index > 0 ? () => setState(() => _index--) : null,
                   primary: false,
                 ),
@@ -204,9 +255,9 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
               Expanded(
                 child: isLast
                     ? (widget.readOnly
-                        ? _navButton('close'.tr, () => _popBack())
+                        ? _navButton(_taskText(taskInfo, 'close'), () => _popBack())
-                        : _navButton('finish'.tr, canProceed ? () => _onFinish() : null))
+                        : _navButton(_taskText(taskInfo, 'finish'), canProceed ? () => _onFinish() : null))
-                    : _navButton('next'.tr, canProceed ? () => _onNext() : null),
+                    : _navButton(_taskText(taskInfo, 'next'), canProceed ? () => _onNext() : null),
               ),
             ],
           ),
@@ -242,7 +293,11 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
   // ---------------------------------------------------------------------------
 
   Widget _buildReadOnlyBody(TaskInfo taskInfo) {
-    final summary = (taskInfo.additionalText ?? '').trim();
+    var summary = (taskInfo.additionalText ?? '').trim();
+    if (taskInfo.task?.effectiveType == 2 && summary.isNotEmpty) {
+      // Auch früher in einer anderen Sprache gespeicherte Bestätigungen anzeigen.
+      summary = _taskText(taskInfo, 'signature_captured');
+    }
     return Container(
       width: double.infinity,
       padding: const EdgeInsets.all(14),
@@ -254,7 +309,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          Text('completed'.tr, style: const TextStyle(fontWeight: FontWeight.bold)),
+          Text(_taskText(taskInfo, 'completed'), style: const TextStyle(fontWeight: FontWeight.bold)),
           if (summary.isNotEmpty) ...[
             const SizedBox(height: 6),
             Text(summary, style: const TextStyle(fontSize: 15)),
@@ -270,19 +325,19 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
 
   Widget _buildEditableBody(TaskInfo taskInfo) {
     final draft = _draftFor(taskInfo);
-    final type = taskInfo.task?.type ?? 0;
+    // Benutzerdefinierte Typen aus dem Workflow-Editor (>= 1000) verhalten
+    // sich wie ihr Basis-Typ, siehe TourTask.effectiveType.
+    final type = taskInfo.task?.effectiveType ?? 0;
 
     switch (type) {
-      case 1:
-        return _buildConfirmBody(draft, 'confirm_arrival'.tr);
       case 2:
         return _buildSignatureBody(taskInfo, draft);
       case 3:
+        return _buildConfirmButtonBody(draft, 'confirm_arrival'.tr);
+      case 4:
         return _buildPhotosBody(taskInfo, draft);
       case 5:
         return Text('barcode_disabled'.tr, style: const TextStyle(color: Colors.grey));
-      case 6:
-        return _buildConfirmBody(draft, taskInfo.task?.topic ?? 'confirm'.tr);
       case 7:
       case 8:
       case 9:
@@ -290,17 +345,51 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
       case 11:
         return _buildStatusBody(taskInfo, draft);
       case 12:
-        return _buildFieldsBody(taskInfo, draft, numeric: false);
+        return _buildConfirmBody(draft, taskInfo.task?.topic ?? 'confirm'.tr);
       case 13:
-        return _buildFieldsBody(taskInfo, draft, numeric: true);
+        return _buildFieldsBody(taskInfo, draft, numeric: false);
       case 14:
+        return _buildFieldsBody(taskInfo, draft, numeric: true);
+      case 15:
         return _buildCheckboxListBody(taskInfo, draft);
       default:
         return Text('task_type_unsupported'.tr, style: const TextStyle(color: Colors.grey));
     }
   }
 
-  /// Bestätigungs-Aufgabe (Ankunft melden = 1, Checkbox = 6).
+  /// Bestätigung per Button (Ankunft melden = 3). Antippen bestätigt bzw.
+  /// nimmt die Bestätigung wieder zurück; der Zustand wird über ein
+  /// Häkchen-Symbol im Button angezeigt.
+  Widget _buildConfirmButtonBody(_TaskDraft draft, String label) {
+    final confirmed = draft.confirmed;
+    return SizedBox(
+      height: 52,
+      child: MaterialButton(
+        color: Constants.colorPrimary,
+        elevation: 3,
+        shape: const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(15))),
+        onPressed: () => setState(() => draft.confirmed = !confirmed),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            if (confirmed) ...[
+              const Icon(Icons.check_circle, color: Colors.white),
+              const SizedBox(width: 8),
+            ],
+            Flexible(
+              child: Text(
+                label,
+                overflow: TextOverflow.ellipsis,
+                style: const TextStyle(fontSize: 16, color: Colors.white),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  /// Bestätigungs-Aufgabe als Checkbox (Typ 12).
   Widget _buildConfirmBody(_TaskDraft draft, String label) {
     return CheckboxListTile(
       value: draft.confirmed,
@@ -339,14 +428,20 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        ...options.map((o) => RadioListTile<int>(
+        RadioGroup<int>(
-              value: o.code,
+          groupValue: draft.selectedCode,
-              groupValue: draft.selectedCode,
+          onChanged: (value) => setState(() => draft.selectedCode = value),
-              contentPadding: EdgeInsets.zero,
+          child: Column(
-              activeColor: Constants.colorPrimary,
+            children: options
-              title: Text(o.label),
+                .map((o) => RadioListTile<int>(
-              onChanged: (value) => setState(() => draft.selectedCode = value),
+                      value: o.code,
-            )),
+                      contentPadding: EdgeInsets.zero,
+                      activeColor: Constants.colorPrimary,
+                      title: Text(o.label),
+                    ))
+                .toList(),
+          ),
+        ),
         if (requiresRemark) ...[
           const SizedBox(height: 8),
           Util.getDefaultTextField(
@@ -359,7 +454,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
     );
   }
 
-  /// Text-/Zahlen-Liste (Typ 12/13): je Feld ein beschriftetes Eingabefeld.
+  /// Text-/Zahlen-Liste (Typ 13/14): je Feld ein beschriftetes Eingabefeld.
   Widget _buildFieldsBody(TaskInfo taskInfo, _TaskDraft draft, {required bool numeric}) {
     final fields = taskInfo.task?.fields ?? [];
     if (fields.isEmpty) {
@@ -374,7 +469,16 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
           if ((fields[i].title ?? '').isNotEmpty)
             Padding(
               padding: const EdgeInsets.only(bottom: 4, top: 4),
-              child: Text(fields[i].title!, style: const TextStyle(fontWeight: FontWeight.w600)),
+              child: Text.rich(
+                TextSpan(
+                  text: fields[i].title!,
+                  children: [
+                    if (fields[i].required == true)
+                      const TextSpan(text: ' *', style: TextStyle(color: Colors.red)),
+                  ],
+                ),
+                style: const TextStyle(fontWeight: FontWeight.w600),
+              ),
             ),
           Util.getDefaultTextField(
             fields[i].placeholder ?? '',
@@ -390,7 +494,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
     );
   }
 
-  /// Checkbox-Liste (Typ 14): Mehrfachauswahl aus den entries.
+  /// Checkbox-Liste (Typ 15): Mehrfachauswahl aus den entries.
   Widget _buildCheckboxListBody(TaskInfo taskInfo, _TaskDraft draft) {
     final entries = taskInfo.task?.entries ?? [];
     if (entries.isEmpty) {
@@ -404,7 +508,15 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
                 contentPadding: EdgeInsets.zero,
                 controlAffinity: ListTileControlAffinity.leading,
                 activeColor: Constants.colorPrimary,
-                title: Text(e.text),
+                title: Text.rich(
+                  TextSpan(
+                    text: e.text,
+                    children: [
+                      if (e.required == true)
+                        const TextSpan(text: ' *', style: TextStyle(color: Colors.red)),
+                    ],
+                  ),
+                ),
                 onChanged: (value) => setState(() {
                   if (value ?? false) {
                     draft.checked.add(e.code);
@@ -448,7 +560,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
           alignment: Alignment.centerRight,
           child: TextButton.icon(
             icon: const Icon(Icons.clear),
-            label: Text('clear'.tr),
+            label: Text(_taskText(taskInfo, 'clear')),
             onPressed: () => setState(() => draft.signatureController!.clear()),
           ),
         ),
@@ -456,7 +568,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
     );
   }
 
-  /// Fotos aufnehmen (Typ 3) – Inline-Aufnahme und Vorschau.
+  /// Fotos aufnehmen (Typ 4) – Inline-Aufnahme und Vorschau.
   Widget _buildPhotosBody(TaskInfo taskInfo, _TaskDraft draft) {
     final max = taskInfo.task?.max ?? 999;
     final min = taskInfo.task?.min ?? 0;
@@ -535,17 +647,42 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
     return _isValid(taskInfo);
   }
 
+  /// Ob die Aufgabe insgesamt optional ist (steuert das "*" im Titel):
+  /// entweder per {@code opt}-Flag oder – bei Listen-Tasks – weil kein
+  /// einziger Eintrag als Pflichtfeld gekennzeichnet ist. Altdaten ohne
+  /// Pflicht-Kennzeichen gelten wie bisher als verpflichtend.
+  bool _isTaskOptional(TaskInfo taskInfo) {
+    final task = taskInfo.task;
+    if (task == null) return true;
+    if (task.opt ?? false) return true;
+    switch (task.effectiveType) {
+      case 13:
+      case 14:
+        final fields = task.fields ?? [];
+        if (fields.isEmpty) return true;
+        if (fields.every((f) => f.required == null)) return false;
+        return fields.every((f) => f.required != true);
+      case 15:
+        final entries = task.entries ?? [];
+        if (entries.isEmpty) return true;
+        if (entries.every((e) => e.required == null)) return false;
+        return entries.every((e) => e.required != true);
+      default:
+        return false;
+    }
+  }
+
   bool _isValid(TaskInfo taskInfo) {
     final draft = _draftFor(taskInfo);
-    final type = taskInfo.task?.type ?? 0;
+    final type = taskInfo.task?.effectiveType ?? 0;
     switch (type) {
-      case 1:
-      case 6:
-        return draft.confirmed;
       case 2:
         final sig = draft.signatureController;
         return sig != null && sig.points.length > 50;
       case 3:
+      case 12:
+        return draft.confirmed;
+      case 4:
         final min = (taskInfo.task?.min ?? 0);
         final max = (taskInfo.task?.max ?? 999);
         final required = min > 0 ? min : 1;
@@ -564,32 +701,64 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
           return (draft.remark?.text.trim().isNotEmpty ?? false);
         }
         return true;
-      case 12:
-        _ensureFieldControllers(draft, taskInfo.task?.fields?.length ?? 0);
-        return draft.fields.isNotEmpty && draft.fields.every((c) => c.text.trim().isNotEmpty);
       case 13:
         _ensureFieldControllers(draft, taskInfo.task?.fields?.length ?? 0);
-        return draft.fields.isNotEmpty && draft.fields.every((c) => _isNumeric(c.text));
+        return _fieldsValid(taskInfo, draft, numeric: false);
       case 14:
-        return draft.checked.isNotEmpty;
+        _ensureFieldControllers(draft, taskInfo.task?.fields?.length ?? 0);
+        return _fieldsValid(taskInfo, draft, numeric: true);
+      case 15:
+        final entries = taskInfo.task?.entries ?? [];
+        // Ohne definierte Einträge gibt es keine Pflichtfelder -> freigeben.
+        if (entries.isEmpty) return true;
+        // Altdaten ohne Pflicht-Kennzeichen: wie bisher mindestens ein Häkchen.
+        if (entries.every((e) => e.required == null)) {
+          return draft.checked.isNotEmpty;
+        }
+        return entries
+            .where((e) => e.required == true)
+            .every((e) => draft.checked.contains(e.code));
       default:
         return true;
     }
   }
 
+  /// Prüft die Eingabefelder einer Text-/Zahlen-Liste (Typ 13/14) gegen ihre
+  /// Pflicht-Kennzeichen. Altdaten ohne Kennzeichen behalten das bisherige
+  /// Verhalten (alle Felder müssen gefüllt bzw. numerisch sein). Sonst müssen
+  /// nur Pflichtfelder gefüllt (bei Zahlenlisten numerisch) sein; optionale
+  /// Felder dürfen leer bleiben, müssen aber – falls ausgefüllt – bei
+  /// Zahlenlisten ebenfalls numerisch sein.
+  bool _fieldsValid(TaskInfo taskInfo, _TaskDraft draft, {required bool numeric}) {
+    final fields = taskInfo.task?.fields ?? [];
+    // Ohne definierte Felder gibt es keine Pflichtfelder -> freigeben.
+    if (fields.isEmpty) return true;
+    final legacy = fields.every((f) => f.required == null);
+    for (int i = 0; i < fields.length && i < draft.fields.length; i++) {
+      final text = draft.fields[i].text.trim();
+      final mandatory = legacy || fields[i].required == true;
+      if (mandatory) {
+        if (numeric ? !_isNumeric(text) : text.isEmpty) return false;
+      } else if (numeric && text.isNotEmpty && !_isNumeric(text)) {
+        return false;
+      }
+    }
+    return true;
+  }
+
   /// Ob der Bearbeiter überhaupt Daten erfasst hat (für optionale Aufgaben:
   /// entscheidet, ob eine Antwort geschrieben oder die Aufgabe übersprungen wird).
   bool _hasData(TaskInfo taskInfo) {
     final draft = _draftFor(taskInfo);
-    final type = taskInfo.task?.type ?? 0;
+    final type = taskInfo.task?.effectiveType ?? 0;
     switch (type) {
-      case 1:
-      case 6:
-        return draft.confirmed;
       case 2:
         final sig = draft.signatureController;
         return sig != null && sig.points.length > 50;
       case 3:
+      case 12:
+        return draft.confirmed;
+      case 4:
         return draft.photos.isNotEmpty;
       case 7:
       case 8:
@@ -597,10 +766,10 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
         return (draft.text?.text.trim().isNotEmpty ?? false);
       case 11:
         return draft.selectedCode != null;
-      case 12:
       case 13:
-        return draft.fields.any((c) => c.text.trim().isNotEmpty);
       case 14:
+        return draft.fields.any((c) => c.text.trim().isNotEmpty);
+      case 15:
         return draft.checked.isNotEmpty;
       default:
         return false;
@@ -645,7 +814,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
 
   Future<void> _commitCurrent(TaskInfo taskInfo) async {
     final draft = _draftFor(taskInfo);
-    final type = taskInfo.task?.type ?? 0;
+    final type = taskInfo.task?.effectiveType ?? 0;
 
     // Optionale Aufgabe ohne Eingabe: als erledigt markieren, keine Antwort.
     if (!_hasData(taskInfo)) {
@@ -657,7 +826,16 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
     }
 
     switch (type) {
-      case 1: // Ankunft melden
+      case 2: // Unterschrift
+        final answer = await _createAnswerHeader(taskInfo);
+        answer.sign = _convertSignaturePoints(draft.signatureController!.points);
+        taskInfo.answer = jsonEncode(answer.toJson());
+        taskInfo.additionalText = _taskText(taskInfo, 'signature_captured');
+        taskInfo.completed = true;
+        _persist(taskInfo);
+        break;
+
+      case 3: // Ankunft melden
         final answer = await _createAnswerHeader(taskInfo);
         taskInfo.answer = jsonEncode(answer.toJson());
         taskInfo.additionalText = DateFormat("dd.MM.yyyy HH:mm").format(DateTime.now());
@@ -666,16 +844,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
         _sendArrivedMessage(taskInfo);
         break;
 
-      case 2: // Unterschrift
+      case 4: // Fotos
-        final answer = await _createAnswerHeader(taskInfo);
-        answer.sign = _convertSignaturePoints(draft.signatureController!.points);
-        taskInfo.answer = jsonEncode(answer.toJson());
-        taskInfo.additionalText = 'signature_captured'.tr;
-        taskInfo.completed = true;
-        _persist(taskInfo);
-        break;
-
-      case 3: // Fotos
         _storePhotos(draft.photos);
         taskInfo.answer = null; // Bilder werden separat als pic-Nachrichten gesendet.
         taskInfo.additionalText = 'photos_taken'.tr;
@@ -683,7 +852,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
         _persist(taskInfo);
         break;
 
-      case 6: // Checkbox / Bestätigung
+      case 12: // Checkbox / Bestätigung
         final answer = await _createAnswerHeader(taskInfo);
         answer.val = "1";
         taskInfo.answer = jsonEncode(answer.toJson());
@@ -716,8 +885,8 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
         _persist(taskInfo);
         break;
 
-      case 12: // Text-Liste
+      case 13: // Text-Liste
-      case 13: // Zahlen-Liste
+      case 14: // Zahlen-Liste
         final answer = await _createAnswerHeader(taskInfo);
         final fields = taskInfo.task?.fields ?? [];
         final answers = <FinFieldAnswer>[];
@@ -736,7 +905,7 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
         _persist(taskInfo);
         break;
 
-      case 14: // Checkbox-Liste
+      case 15: // Checkbox-Liste
         final answer = await _createAnswerHeader(taskInfo);
         final checked = draft.checked.toList()..sort();
         answer.checked = checked;
@@ -788,9 +957,9 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
   /// erneut bearbeitbaren Aufgaben aus der gespeicherten Antwort vor.
   _TaskDraft _buildDraft(TaskInfo taskInfo) {
     final draft = _TaskDraft();
-    final type = taskInfo.task?.type ?? 0;
+    final type = taskInfo.task?.effectiveType ?? 0;
 
-    if (type == 12 || type == 13) {
+    if (type == 13 || type == 14) {
       _ensureFieldControllers(draft, taskInfo.task?.fields?.length ?? 0);
     }
 
@@ -802,8 +971,8 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
     try {
       final answer = FinTourTask.fromJson(jsonDecode(taskInfo.answer!) as Map<String, dynamic>);
       switch (type) {
-        case 1:
+        case 3:
-        case 6:
+        case 12:
           draft.confirmed = true;
           break;
         case 7:
@@ -815,14 +984,14 @@ class _TaskListPageState extends State<TaskListPage> with ProducerMixin {
           draft.selectedCode = answer.code;
           draft.remark = _listenedController(answer.val ?? '');
           break;
-        case 12:
         case 13:
+        case 14:
           final values = answer.fields ?? [];
           for (int i = 0; i < draft.fields.length && i < values.length; i++) {
             draft.fields[i].text = values[i].val ?? '';
           }
           break;
-        case 14:
+        case 15:
           draft.checked = (answer.checked ?? []).toSet();
           break;
       }
@@ -1118,7 +1287,7 @@ class _HeaderWidgetState extends State<_HeaderWidget> with ProducerMixin {
             child: const Center(
               child: Text(
                 textAlign: TextAlign.center,
-                "Liste der Aufgaben",
+                "Workflow",
                 style: TextStyle(fontWeight: FontWeight.bold, fontSize: 18, color: Colors.white),
               ),
             ),

lib/content_views/tour_details_page.dart

@@ -4,10 +4,10 @@ import 'package:stadtbote/content_views/task_list_page.dart';
 import 'package:stadtbote/content_views/utils/content_view_widget.dart';
 import 'package:stadtbote/messages/pop_content_view_message.dart';
 import 'package:stadtbote/model/job_tour.dart';
+import 'package:stadtbote/popups/map_popup.dart';
 
 import '../model/job.dart';
 import '../popups/files_popup.dart';
-import '../popups/map_popup.dart';
 import '../tools/app_localizations.dart';
 import '../tools/constants.dart';
 import '../tools/util.dart';
@@ -124,18 +124,13 @@ class _TourDetailsPageState extends State<TourDetailsPage> with ProducerMixin {
                 const SizedBox(height: 10),
                 getDefaultButton(
                     'map'.tr,
-                    () => {
+                    () {
-                          if (widget.tour.pos != null)
+                      if (widget.tour.pos != null) {
-                            {
+                        showMapPopup(context, widget.tour, widget.job.tours);
-                              showMapPopup(
+                      } else {
-                                  context, widget.tour, widget.job.tours)
+                        showAlertDialog('information'.tr, 'no_position'.tr);
-                            }
+                      }
-                          else
+                    }),
-                            {
-                              showAlertDialog('information'.tr,
-                                  'no_position'.tr)
-                            }
-                        }),
               ],
             ),
           )),

lib/content_views/tour_list_page.dart

@@ -90,7 +90,7 @@ class _TourListPageState extends State<TourListPage> with ProducerMixin {
               SizedBox(
                   width: 100,
                   child: Visibility(
-                    visible: widget.job.tours[0].pos != null,
+                    visible: _tours.isNotEmpty && _tours.first.pos != null,
                     child: ElevatedButton(
                         style: ButtonStyle(
                           shape: WidgetStateProperty.all<RoundedRectangleBorder>(
@@ -102,7 +102,7 @@ class _TourListPageState extends State<TourListPage> with ProducerMixin {
                           backgroundColor: WidgetStateProperty.all<Color>(Colors.lightGreen),
                           foregroundColor: WidgetStateProperty.all<Color>(Colors.black),
                         ),
-                        onPressed: () => {showMapPopup(context, widget.job.tours[0], widget.job.tours)},
+                        onPressed: () => showMapPopup(context, _tours.first, _tours),
                         child: Text('map'.tr)),
                   ))
             ],
@@ -305,4 +305,4 @@ class _HeaderWidgetState extends State<_HeaderWidget> with ProducerMixin {
       ),
     );
   }
-}
+}

lib/main.dart

@@ -7,6 +7,7 @@ import 'package:flutter/services.dart';
 import 'package:geolocator/geolocator.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:shared_map/shared_map.dart';
+import 'package:stadtbote/content_views/assigned_jobs_page.dart';
 import 'package:stadtbote/messages/pop_content_view_message.dart';
 import 'package:stadtbote/model/log_entry.dart';
 import 'package:stadtbote/popups/accept_jobs_popup.dart';
@@ -529,7 +530,8 @@ class _MainState extends State<Main> with SingleTickerProviderStateMixin, Produc
 
   void _startCheckForNewState0JobsJobsTimer() {
     _checkForNewState0JobsJobsTimer ??= Timer.periodic(const Duration(seconds: 5), (Timer t) async {
-      if (await _jobMap!.length() > 0 && !_dialogOpened) {
+      // Auf der Auftragsliste können neue Aufträge direkt beantwortet werden.
+      if (await _jobMap!.length() > 0 && !_dialogOpened && _currentContent is! AssignedJobsPage) {
         _dialogOpened = true;
         await showAcceptJobsPopup(_jobMap!.sharedReference(), () async {
           _dialogOpened = false;

lib/model/chat_message.dart

@@ -12,7 +12,7 @@ class ChatMessage {
   @Id()
   int id = 0;
 
-  // External ID from server
+  // Nachrichten-ID für den Server, getrennt von der lokalen ObjectBox-ID.
   @Unique()
   late int externalId;
 
@@ -28,6 +28,22 @@ class ChatMessage {
 
   ChatMessage();
 
+  factory ChatMessage.outgoing({
+    required int externalId,
+    required int time,
+    required String from,
+    required String text,
+  }) {
+    // ObjectBox vergibt die lokale ID beim ersten Speichern selbst.
+    return ChatMessage()
+      ..externalId = externalId
+      ..time = time
+      ..from = from
+      ..subj = ''
+      ..text = text
+      ..read = true;
+  }
+
   factory ChatMessage.fromJson(Map<String, dynamic> json) {
     final message = ChatMessage();
     message.id = 0; // Let ObjectBox assign the ID

lib/model/job.dart

@@ -97,4 +97,3 @@ class Job {
     };
   }
 }
-

lib/model/tour_task.dart

@@ -1,6 +1,16 @@
 class TourTask {
+  /// Untergrenze der im Workflow-Editor vergebenen Typnummern für
+  /// benutzerdefinierte Typen.
+  static const int customTypeStart = 1000;
+
   late int sId;
   late int type;
+
+  /// Typnummer des Basis-Typs bei benutzerdefinierten Typen
+  /// (>= [customTypeStart]) aus dem Workflow-Editor. `null` bei
+  /// Standard-Typen und bei Altdaten ohne Angabe.
+  int? baseType;
+
   late String topic;
   bool? opt;
   bool? reenter;
@@ -17,15 +27,36 @@ class TourTask {
   /// Auswahloptionen eines Status-Tasks (Typ 11).
   List<TourChoice>? choices;
 
-  /// Eingabefelder einer Text-/Zahlen-Liste (Typ 12/13).
+  /// Eingabefelder einer Text-/Zahlen-Liste (Typ 13/14).
   List<TourField>? fields;
 
   TourTask();
 
+  /// Der für Darstellung und Validierung maßgebliche Typ: Standard-Typen
+  /// unverändert; benutzerdefinierte Typen (>= [customTypeStart]) werden auf
+  /// ihren Basis-Typ abgebildet. Fehlt {@code base_type} (Altdaten), wird der
+  /// Basis-Typ aus den typprägenden Eigenschaften abgeleitet.
+  int get effectiveType {
+    if (type < customTypeStart) {
+      return type;
+    }
+    if (baseType != null) {
+      return baseType!;
+    }
+    if (choices != null && choices!.isNotEmpty) return 11; // Statusauswahl
+    if (entries != null && entries!.isNotEmpty) return 15; // Checkbox-Liste
+    if (fields != null && fields!.isNotEmpty) return 13; // Text-Liste
+    if (min != null || max != null) return 4; // Fotos
+    if (maxLen != null) return 8; // Texteingabe (Bemerkung)
+    if (track != null) return 3; // Ankunft melden
+    return 12; // Bestätigung per Checkbox
+  }
+
   factory TourTask.fromJson(Map<String, dynamic> json) {
     final task = TourTask();
     task.sId = json['s_id'] as int;
     task.type = json['type'] as int;
+    task.baseType = json['base_type'] as int?;
     task.topic = json['topic'] as String;
     task.opt = json['opt'] as bool? ?? false;
     task.reenter = json['reenter'] as bool? ?? false;
@@ -59,6 +90,7 @@ class TourTask {
     return {
       's_id': sId,
       'type': type,
+      if (baseType != null) 'base_type': baseType,
       'topic': topic,
       'opt': opt,
       'reenter': reenter,
@@ -82,6 +114,10 @@ class TourEntry {
   late String text;
   late bool queryRemark;
 
+  /// Pflicht-Kennzeichen aus dem Workflow-Editor (Checkbox-Liste, Typ 15).
+  /// `null`, wenn das JSON keine Angabe enthält (Altdaten).
+  bool? required;
+
   TourEntry();
 
   factory TourEntry.fromJson(Map<String, dynamic> json) {
@@ -89,6 +125,7 @@ class TourEntry {
     entry.code = json['code'] as int;
     entry.text = json['text'] as String;
     entry.queryRemark = json['query_remark'] as bool? ?? false;
+    entry.required = json['required'] as bool?;
     return entry;
   }
 
@@ -97,6 +134,7 @@ class TourEntry {
       'code': code,
       'text': text,
       'query_remark': queryRemark,
+      if (required != null) 'required': required,
     };
   }
 }
@@ -139,17 +177,22 @@ class TourChoice {
   bool get requiresRemark => (quest != null && quest!.trim().isNotEmpty);
 }
 
-/// Ein Eingabefeld einer Text-/Zahlen-Liste (Typ 12/13).
+/// Ein Eingabefeld einer Text-/Zahlen-Liste (Typ 13/14).
 class TourField {
   String? title;
   String? placeholder;
 
+  /// Pflicht-Kennzeichen aus dem Workflow-Editor. `null`, wenn das JSON
+  /// keine Angabe enthält (Altdaten).
+  bool? required;
+
   TourField();
 
   factory TourField.fromJson(Map<String, dynamic> json) {
     final field = TourField();
     field.title = json['title'] as String?;
     field.placeholder = json['placeholder'] as String?;
+    field.required = json['required'] as bool?;
     return field;
   }
 
@@ -157,6 +200,7 @@ class TourField {
     return {
       'title': title,
       'placeholder': placeholder,
+      if (required != null) 'required': required,
     };
   }
 }

lib/objectbox-model.json

@@ -34,7 +34,7 @@
     },
     {
       "id": "3:808686831791135454",
-      "lastPropertyId": "13:1803006975816940878",
+      "lastPropertyId": "14:4499212061291648440",
       "name": "Job",
       "properties": [
         {
@@ -426,7 +426,8 @@
     2981635918450905844,
     4551221086536914442,
     1176594062059570557,
-    4272081635478028034
+    4272081635478028034,
+    4499212061291648440
   ],
   "retiredRelationUids": [],
   "version": 1

lib/objectbox.g.dart

@@ -60,7 +60,7 @@ final _entities = <obx_int.ModelEntity>[
   obx_int.ModelEntity(
       id: const obx_int.IdUid(3, 808686831791135454),
       name: 'Job',
-      lastPropertyId: const obx_int.IdUid(13, 1803006975816940878),
+      lastPropertyId: const obx_int.IdUid(14, 4499212061291648440),
       flags: 0,
       properties: <obx_int.ModelProperty>[
         obx_int.ModelProperty(
@@ -483,7 +483,8 @@ obx_int.ModelDefinition getObjectBoxModel() {
         2981635918450905844,
         4551221086536914442,
         1176594062059570557,
-        4272081635478028034
+        4272081635478028034,
+        4499212061291648440
       ],
       retiredRelationUids: const [],
       modelVersion: 5,
@@ -542,7 +543,7 @@ obx_int.ModelDefinition getObjectBoxModel() {
           final remOffset = fbb.writeString(object.rem);
           final toursJsonOffset = fbb.writeString(object.toursJson);
           final filesJsonOffset = fbb.writeString(object.filesJson);
-          fbb.startTable(14);
+          fbb.startTable(15);
           fbb.addInt64(0, object.id);
           fbb.addOffset(1, verOffset);
           fbb.addInt64(2, object.state);

lib/popups/accept_jobs_popup.dart

@@ -192,7 +192,7 @@ Future<List<Widget>> _fetchJobWidgets(StateSetter dialogState, Function() onFini
                               style: TextStyle(backgroundColor: isJobTooFarInFuture(job) ? Colors.red : Colors.transparent),
                             ),
                           ),
-                          SizedBox(width: double.infinity, child: Text('${'order_number'.tr}: ${job.id}', textAlign: TextAlign.left)),
+                          SizedBox(width: double.infinity, child: Text('${'order_number'.tr}: ${job.externalId}', textAlign: TextAlign.left)),
                           SizedBox(width: double.infinity, child: Text(job.tours[0].comp, textAlign: TextAlign.left)),
                           SizedBox(width: double.infinity, child: Text(job.tours[0].street, textAlign: TextAlign.left)),
                           SizedBox(width: double.infinity, child: Text(job.tours[0].city, textAlign: TextAlign.left)),
@@ -294,7 +294,7 @@ Future<List<Widget>> _fetchJobWidgets(StateSetter dialogState, Function() onFini
                         style: TextStyle(backgroundColor: isJobTooFarInFuture(job) ? Colors.red : Colors.transparent),
                       ),
                     ),
-                    SizedBox(width: double.infinity, child: Text('Auftragsnummer: ${job.id}', textAlign: TextAlign.left)),
+                    SizedBox(width: double.infinity, child: Text('Auftragsnummer: ${job.externalId}', textAlign: TextAlign.left)),
                     SizedBox(width: double.infinity, child: Text(job.tours[0].comp, textAlign: TextAlign.left)),
                     SizedBox(width: double.infinity, child: Text(job.tours[0].street, textAlign: TextAlign.left)),
                     SizedBox(width: double.infinity, child: Text(job.tours[0].city, textAlign: TextAlign.left)),

lib/popups/files_popup.dart

@@ -114,14 +114,13 @@ class _FileListItemState extends State<_FileListItem> {
           },
         );
       } else if (widget.file.isImage) {
-        // Show image in a dialog on top of the files dialog
+        // Bildanhänge wie PDFs vergrößern und im gezoomten Zustand verschieben.
         await showDialog(
           context: context,
           builder: (BuildContext context) {
             return Dialog(
               insetPadding: const EdgeInsets.all(16),
               child: Column(
-                mainAxisSize: MainAxisSize.min,
                 children: [
                   AppBar(
                     title: Text(widget.file.name),
@@ -131,41 +130,47 @@ class _FileListItemState extends State<_FileListItem> {
                     ),
                     automaticallyImplyLeading: false,
                   ),
-                  Flexible(
+                  Expanded(
-                    child: Image.network(
+                    child: InteractiveViewer(
-                      widget.file.url,
+                      minScale: 1,
-                      fit: BoxFit.contain,
+                      maxScale: 5,
-                      loadingBuilder: (context, child, loadingProgress) {
+                      child: SizedBox.expand(
-                        if (loadingProgress == null) return child;
+                        child: Image.network(
-                        return Center(
+                          widget.file.url,
-                          child: CircularProgressIndicator(
+                          fit: BoxFit.contain,
-                            value: loadingProgress.expectedTotalBytes != null
+                          loadingBuilder: (context, child, loadingProgress) {
-                                ? loadingProgress.cumulativeBytesLoaded /
+                            if (loadingProgress == null) return child;
-                                    loadingProgress.expectedTotalBytes!
+                            return Center(
-                                : null,
+                              child: CircularProgressIndicator(
-                          ),
+                                value: loadingProgress.expectedTotalBytes != null
-                        );
+                                    ? loadingProgress.cumulativeBytesLoaded /
-                      },
+                                        loadingProgress.expectedTotalBytes!
-                      errorBuilder: (context, error, stackTrace) {
+                                    : null,
-                        return Center(
-                          child: Column(
-                            mainAxisSize: MainAxisSize.min,
-                            children: [
-                              const Icon(
-                                Icons.error_outline,
-                                size: 64,
-                                color: Colors.red,
                               ),
-                              const SizedBox(height: 16),
+                            );
-                              Text(
+                          },
-                                'Fehler beim Laden des Bildes:\n$error',
+                          errorBuilder: (context, error, stackTrace) {
-                                textAlign: TextAlign.center,
+                            return Center(
-                                style: const TextStyle(color: Colors.red),
+                              child: Column(
+                                mainAxisSize: MainAxisSize.min,
+                                children: [
+                                  const Icon(
+                                    Icons.error_outline,
+                                    size: 64,
+                                    color: Colors.red,
+                                  ),
+                                  const SizedBox(height: 16),
+                                  Text(
+                                    'Fehler beim Laden des Bildes:\n$error',
+                                    textAlign: TextAlign.center,
+                                    style: const TextStyle(color: Colors.red),
+                                  ),
+                                ],
                               ),
-                            ],
+                            );
-                          ),
+                          },
-                        );
+                        ),
-                      },
+                      ),
                     ),
                   ),
                 ],

lib/popups/tasks_popups/signature_popup.dart

@@ -13,7 +13,7 @@ showSignaturePopup(BuildContext context, TaskInfo taskInfo, Function(String?) on
             canPop: false,
             onPopInvokedWithResult: (bool didPop, dynamic result) async {
               if (!didPop) {
-                final shouldPop = await taskDialogSecurityException(context);
+                final shouldPop = await taskDialogSecurityException(context, language: AppLanguage.german);
                 if (shouldPop) {
                   SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
                   if (context.mounted) {
@@ -79,13 +79,18 @@ showSignaturePopup(BuildContext context, TaskInfo taskInfo, Function(String?) on
                                   ),
                                 ),
                                 getDefaultButton(
-                                    'apply'.tr,
+                                    AppLocalizations.tr('apply', language: AppLanguage.german),
                                     buttonHeight: 50,
                                     () => {
                                           if (controller.points.length > 50)
                                             {Navigator.of(context).pop(), onFinished(convertPoints(controller.points))}
                                           else
-                                            {showAlertDialog('error'.tr, 'signature_too_short'.tr)}
+                                            {
+                                              showAlertDialog(
+                                                AppLocalizations.tr('error', language: AppLanguage.german),
+                                                AppLocalizations.tr('signature_too_short', language: AppLanguage.german),
+                                              )
+                                            }
                                         })
                               ],
                             ),

lib/tools/app_localizations.dart

@@ -56,8 +56,8 @@ class AppLocalizations {
   }
 
   // Hilfsmethode für einfachen Zugriff
-  static String tr(String key) {
+  static String tr(String key, {AppLanguage? language}) {
-    return _instance._translations[_instance._currentLanguage.code]?[key] ??
+    return _instance._translations[(language ?? _instance._currentLanguage).code]?[key] ??
         _instance._translations['de']?[key] ??
         key;
   }
@@ -145,7 +145,7 @@ class AppLocalizations {
       'unknown': 'Unbekannt',
 
       // Aufgabenliste
-      'task_list': 'Liste der Aufgaben',
+      'task_list': 'Workflow',
       'commission_number_short': 'Komm-#',
       'photos_taken': 'Fotos aufgenommen',
       'signature_captured': 'Unterschrift erfasst',
@@ -287,7 +287,7 @@ class AppLocalizations {
       'unknown': 'Unknown',
 
       // Task List
-      'task_list': 'Task List',
+      'task_list': 'Workflow',
       'commission_number_short': 'Comm-#',
       'photos_taken': 'Photos taken',
       'signature_captured': 'Signature captured',
@@ -418,7 +418,7 @@ class AppLocalizations {
       'unknown': 'Desconocido',
 
       // Task List
-      'task_list': 'Lista de Tareas',
+      'task_list': 'Workflow',
       'commission_number_short': 'Núm. Com.',
       'photos_taken': 'Fotos tomadas',
       'signature_captured': 'Firma capturada',
@@ -539,7 +539,7 @@ class AppLocalizations {
       'unknown': 'Inconnu',
 
       // Task List
-      'task_list': 'Liste des Tâches',
+      'task_list': 'Workflow',
       'commission_number_short': 'N° Comm.',
       'photos_taken': 'Photos prises',
       'signature_captured': 'Signature capturée',
@@ -660,7 +660,7 @@ class AppLocalizations {
       'unknown': 'Nieznany',
 
       // Task List
-      'task_list': 'Lista Zadań',
+      'task_list': 'Workflow',
       'commission_number_short': 'Nr Zlec.',
       'photos_taken': 'Zrobione zdjęcia',
       'signature_captured': 'Podpis zapisany',
@@ -781,7 +781,7 @@ class AppLocalizations {
       'unknown': 'Неизвестно',
 
       // Task List
-      'task_list': 'Список Задач',
+      'task_list': 'Workflow',
       'commission_number_short': '№ Комм.',
       'photos_taken': 'Фотографии сделаны',
       'signature_captured': 'Подпись сохранена',
@@ -902,7 +902,7 @@ class AppLocalizations {
       'unknown': 'Bilinmiyor',
 
       // Task List
-      'task_list': 'Görev Listesi',
+      'task_list': 'Workflow',
       'commission_number_short': 'Kom. No.',
       'photos_taken': 'Fotoğraflar çekildi',
       'signature_captured': 'İmza kaydedildi',
@@ -1023,7 +1023,7 @@ class AppLocalizations {
       'unknown': 'Teadmata',
 
       // Task List
-      'task_list': 'Ülesannete Nimekiri',
+      'task_list': 'Workflow',
       'commission_number_short': 'Kom. Nr.',
       'photos_taken': 'Fotod tehtud',
       'signature_captured': 'Allkiri salvestatud',
@@ -1144,7 +1144,7 @@ class AppLocalizations {
       'unknown': 'Nezināms',
 
       // Task List
-      'task_list': 'Uzdevumu Saraksts',
+      'task_list': 'Workflow',
       'commission_number_short': 'Kom. Nr.',
       'photos_taken': 'Fotogrāfijas uzņemtas',
       'signature_captured': 'Paraksts saglabāts',
@@ -1265,7 +1265,7 @@ class AppLocalizations {
       'unknown': 'Nežinoma',
 
       // Task List
-      'task_list': 'Užduočių Sąrašas',
+      'task_list': 'Workflow',
       'commission_number_short': 'Kom. Nr.',
       'photos_taken': 'Nuotraukos padarytos',
       'signature_captured': 'Parašas užfiksuotas',

lib/tools/message_header.dart

@@ -16,4 +16,3 @@ class MessageHeader {
 
   Map<String, dynamic> toJson() => _$MessageHeaderToJson(this);
 }
-

lib/tools/mqtt_core.dart

@@ -6,6 +6,7 @@ import 'dart:math';
 import 'package:archive/archive.dart';
 import 'package:dart_mq/dart_mq.dart';
 import 'package:device_info_plus/device_info_plus.dart';
+import 'package:flutter/foundation.dart';
 import 'package:geolocator/geolocator.dart';
 import 'package:http/http.dart' as http;
 import 'package:mqtt5_client/mqtt5_client.dart';
@@ -98,6 +99,22 @@ class MqttCore with ProducerMixin, ConsumerMixin {
     _processBootstrap();
   }
 
+  /// Ermöglicht Tests des Nachrichtenflusses ohne Bootstrap und Netzwerkzugriff.
+  @visibleForTesting
+  MqttCore.withClient({
+    required MqttServerClient client,
+    required String clientId,
+    required String fromServerTopic,
+    required String toServerTopic,
+  }) : _mqttClient = client,
+       _clientId = clientId,
+       _fromServerTopic = fromServerTopic,
+       _toServerTopic = toServerTopic {
+    instance = this;
+    initMessages();
+    _setupMqtt();
+  }
+
   ConnectionStateEnum getConnectionStatus() {
     return connectionState;
   }
@@ -185,15 +202,24 @@ class MqttCore with ProducerMixin, ConsumerMixin {
     }
   }
 
-  bool _publishMessage(String topic, Map<String, dynamic> message, bool acknowledgeRequired, {bool enqueueOnError = true}) {
+  bool _publishMessage(String topic, Map<String, dynamic> message, bool acknowledgeRequired) {
     try {
-      String messageId = const Uuid().v4();
+      final messageId = const Uuid().v4();
-      String messageText = jsonEncode(message);
 
       if (acknowledgeRequired) {
-        _enqueueMessage(messageId, topic, messageText);
+        // Vor dem ersten Versand speichern; erst die Serverbestätigung entfernt den Eintrag.
+        _enqueueMessage(messageId, topic, jsonEncode(message));
       }
 
+      return _sendMessage(topic, message, acknowledgeRequired, messageId);
+    } catch (ex) {
+      Util.logInfo("send failed: $ex");
+      return false;
+    }
+  }
+
+  bool _sendMessage(String topic, Map<String, dynamic> message, bool acknowledgeRequired, String messageId) {
+    try {
       var encapsulatedMessageText = _encapsulateMessage(messageId, acknowledgeRequired, message);
 
       var buffer = Uint8Buffer();
@@ -761,7 +787,7 @@ class MqttCore with ProducerMixin, ConsumerMixin {
     }
   }
 
-  void _enqueueMessage(String uuid, String receiver, String payload) async {
+  void _enqueueMessage(String uuid, String receiver, String payload) {
     var enqueuedMessage = EnqueuedMessage();
     enqueuedMessage.messageId = uuid;
     enqueuedMessage.topic = receiver;
@@ -780,9 +806,8 @@ class MqttCore with ProducerMixin, ConsumerMixin {
         try {
           var json = jsonDecode(enqueuedMessage.payload);
 
-          if (_publishMessage(enqueuedMessage.topic, json, false, enqueueOnError: false)) {
+          // Wiederholungen behalten ihre ID und benötigen weiterhin eine Bestätigung.
-            box.remove(enqueuedMessage.id);
+          _sendMessage(enqueuedMessage.topic, json, true, enqueuedMessage.messageId);
-          }
         } catch (ex) {
           Util.logInfo("resend enqueued message failed: $ex");
         }

lib/tools/util.dart

@@ -489,22 +489,22 @@ bool isJobTooFarInFuture(Job job) {
   return ordertime > dateTimeThreshold;
 }
 
-Future<bool> taskDialogSecurityException(BuildContext context) async {
+Future<bool> taskDialogSecurityException(BuildContext context, {AppLanguage? language}) async {
   final result = await showDialog<bool>(
     context: context,
     barrierDismissible: false,
     builder: (dialogContext) {
       return AlertDialog(
-        title: Text('attention'.tr),
+        title: Text(AppLocalizations.tr('attention', language: language)),
-        content: Text('close_dialog_warning'.tr),
+        content: Text(AppLocalizations.tr('close_dialog_warning', language: language)),
         actions: [
           TextButton(
             onPressed: () => Navigator.of(dialogContext).pop(true),
-            child: Text('close'.tr),
+            child: Text(AppLocalizations.tr('close', language: language)),
           ),
           TextButton(
             onPressed: () => Navigator.of(dialogContext).pop(false),
-            child: Text('back'.tr),
+            child: Text(AppLocalizations.tr('back', language: language)),
           ),
         ],
       );

linux/flutter/generated_plugin_registrant.cc

@@ -9,6 +9,7 @@
 #include <audioplayers_linux/audioplayers_linux_plugin.h>
 #include <file_selector_linux/file_selector_plugin.h>
 #include <objectbox_flutter_libs/objectbox_flutter_libs_plugin.h>
+#include <permission_manager/permission_manager_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
@@ -21,6 +22,9 @@ void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) objectbox_flutter_libs_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "ObjectboxFlutterLibsPlugin");
   objectbox_flutter_libs_plugin_register_with_registrar(objectbox_flutter_libs_registrar);
+  g_autoptr(FlPluginRegistrar) permission_manager_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "PermissionManagerPlugin");
+  permission_manager_plugin_register_with_registrar(permission_manager_registrar);
   g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
   url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);

linux/flutter/generated_plugins.cmake

@@ -6,11 +6,12 @@ list(APPEND FLUTTER_PLUGIN_LIST
   audioplayers_linux
   file_selector_linux
   objectbox_flutter_libs
+  permission_manager
   url_launcher_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
-  pdfium_flutter
+  jni
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -11,7 +11,8 @@ import file_selector_macos
 import geolocator_apple
 import objectbox_flutter_libs
 import package_info_plus
-import path_provider_foundation
+import pdfium_flutter
+import permission_manager
 import shared_preferences_foundation
 import url_launcher_macos
 
@@ -22,7 +23,8 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   GeolocatorPlugin.register(with: registry.registrar(forPlugin: "GeolocatorPlugin"))
   ObjectboxFlutterLibsPlugin.register(with: registry.registrar(forPlugin: "ObjectboxFlutterLibsPlugin"))
   FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
-  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
+  PDFiumFlutterPlugin.register(with: registry.registrar(forPlugin: "PDFiumFlutterPlugin"))
+  PermissionManagerPlugin.register(with: registry.registrar(forPlugin: "PermissionManagerPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
   UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
 }

pubspec.lock

@@ -29,10 +29,10 @@ packages:
     dependency: "direct main"
     description:
       name: archive
-      sha256: "2fde1607386ab523f7a36bb3e7edb43bd58e6edaf2ffb29d8a6d578b297fdbbd"
+      sha256: a96e8b390886ee8abb49b7bd3ac8df6f451c621619f52a26e815fdcf568959ff
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.7"
+    version: "4.0.9"
   args:
     dependency: transitive
     description:
@@ -45,74 +45,74 @@ packages:
     dependency: transitive
     description:
       name: async
-      sha256: "758e6d74e971c3e5aceb4110bfd6698efc7f501675bcfe0c775459a8140750eb"
+      sha256: e2eb0491ba5ddb6177742d2da23904574082139b07c1e33b8503b9f46f3e1a37
       url: "https://pub.dev"
     source: hosted
-    version: "2.13.0"
+    version: "2.13.1"
   audioplayers:
     dependency: "direct main"
     description:
       name: audioplayers
-      sha256: "5441fa0ceb8807a5ad701199806510e56afde2b4913d9d17c2f19f2902cf0ae4"
+      sha256: "2ba4bb2944baacbdd5372ff8254a8e7feb8c10d7739545e392f5605a8f618745"
       url: "https://pub.dev"
     source: hosted
-    version: "6.5.1"
+    version: "6.8.1"
   audioplayers_android:
     dependency: transitive
     description:
       name: audioplayers_android
-      sha256: "60a6728277228413a85755bd3ffd6fab98f6555608923813ce383b190a360605"
+      sha256: f5ff5b15620fbab8cb0849e9636c48e2b96c3f0f71723bbbe2ad3c761b205f05
       url: "https://pub.dev"
     source: hosted
-    version: "5.2.1"
+    version: "5.3.0"
   audioplayers_darwin:
     dependency: transitive
     description:
       name: audioplayers_darwin
-      sha256: "0811d6924904ca13f9ef90d19081e4a87f7297ddc19fc3d31f60af1aaafee333"
+      sha256: "1ca553add991384ecf421b9569da850f3ab2472ffb83f6970b0416365abc51be"
       url: "https://pub.dev"
     source: hosted
-    version: "6.3.0"
+    version: "6.5.0"
   audioplayers_linux:
     dependency: transitive
     description:
       name: audioplayers_linux
-      sha256: f75bce1ce864170ef5e6a2c6a61cd3339e1a17ce11e99a25bae4474ea491d001
+      sha256: "15178b726b7cdee5364d0463c8d445630c4e0fb7d26612b73c767e7d25de9417"
       url: "https://pub.dev"
     source: hosted
-    version: "4.2.1"
+    version: "4.3.0"
   audioplayers_platform_interface:
     dependency: transitive
     description:
       name: audioplayers_platform_interface
-      sha256: "0e2f6a919ab56d0fec272e801abc07b26ae7f31980f912f24af4748763e5a656"
+      sha256: "765f6f0e6dca55cb471c9483fc77700564b3484d19198aca4ebb5147c6c85acb"
       url: "https://pub.dev"
     source: hosted
-    version: "7.1.1"
+    version: "7.2.0"
   audioplayers_web:
     dependency: transitive
     description:
       name: audioplayers_web
-      sha256: "1c0f17cec68455556775f1e50ca85c40c05c714a99c5eb1d2d57cc17ba5522d7"
+      sha256: ae1e0103c865a03e273f6d13d97b93f5595eac09915729cd5e37ef96e2857319
       url: "https://pub.dev"
     source: hosted
-    version: "5.1.1"
+    version: "5.3.0"
   audioplayers_windows:
     dependency: transitive
     description:
       name: audioplayers_windows
-      sha256: "4048797865105b26d47628e6abb49231ea5de84884160229251f37dfcbe52fd7"
+      sha256: a70ae82bba2dfcb6eb03dd4815d737a2d46d33ea5a96a03f535cfcaac490e413
       url: "https://pub.dev"
     source: hosted
-    version: "4.2.1"
+    version: "4.4.1"
   badges:
     dependency: "direct main"
     description:
       name: badges
-      sha256: a7b6bbd60dce418df0db3058b53f9d083c22cdb5132a052145dc267494df0b84
+      sha256: cf1c88fb3777df69ccd630b80de5267f54efa4a39381b0404a7c03d56cb7c041
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.2"
+    version: "3.2.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -141,10 +141,10 @@ packages:
     dependency: transitive
     description:
       name: build_daemon
-      sha256: bf05f6e12cfea92d3c09308d7bcdab1906cd8a179b023269eed00c071004b957
+      sha256: fd754058c342243718d5171a95f352cfc9fcf0cba8cfa26df67cb13a5836db78
       url: "https://pub.dev"
     source: hosted
-    version: "4.1.1"
+    version: "4.1.2"
   build_resolvers:
     dependency: transitive
     description:
@@ -181,26 +181,26 @@ packages:
     dependency: transitive
     description:
       name: built_value
-      sha256: "426cf75afdb23aa74bd4e471704de3f9393f3c7b04c1e2d9c6f1073ae0b8b139"
+      sha256: "34e4067d30ce212937df995f03b69992eea683539ceeac7f679a1f1eba055b56"
       url: "https://pub.dev"
     source: hosted
-    version: "8.12.1"
+    version: "8.12.6"
   carousel_slider:
     dependency: "direct main"
     description:
       name: carousel_slider
-      sha256: bcc61735345c9ab5cb81073896579e735f81e35fd588907a393143ea986be8ff
+      sha256: febf4b0163e0242adc13d7a863b04965351f59e7dfea56675c7c2caa7bcd7476
       url: "https://pub.dev"
     source: hosted
-    version: "5.1.1"
+    version: "5.1.2"
   characters:
     dependency: transitive
     description:
       name: characters
-      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
+      sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.0"
+    version: "1.4.1"
   charcode:
     dependency: transitive
     description:
@@ -233,6 +233,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.2"
+  code_assets:
+    dependency: transitive
+    description:
+      name: code_assets
+      sha256: bf394f466ba9205f1812a0433b392d6af280f155f56651eda7c18cc32ed493b8
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
   code_builder:
     dependency: transitive
     description:
@@ -261,10 +269,10 @@ packages:
     dependency: transitive
     description:
       name: cross_file
-      sha256: "701dcfc06da0882883a2657c445103380e53e647060ad8d9dfb710c100996608"
+      sha256: "92c9c43c383bfa1c32079d3bc492d55d6d4318044b7b47edaff8971cbb555c51"
       url: "https://pub.dev"
     source: hosted
-    version: "0.3.5+1"
+    version: "0.3.5+4"
   crypto:
     dependency: transitive
     description:
@@ -285,10 +293,10 @@ packages:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      sha256: ba631d1c7f7bef6b729a622b7b752645a2d076dba9976925b8f25725a30e1ee6
+      sha256: "41e005c33bd814be4d3096aff55b1908d419fde52ca656c8c47719ec745873cd"
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.8"
+    version: "1.0.9"
   dart_earcut:
     dependency: transitive
     description:
@@ -349,26 +357,26 @@ packages:
     dependency: transitive
     description:
       name: dio
-      sha256: d90ee57923d1828ac14e492ca49440f65477f4bb1263575900be731a3dac66a9
+      sha256: ea2bad3c89a27635ce2d85cce4d6b199da49a5a48ec77b03e45b65a3b90922b0
       url: "https://pub.dev"
     source: hosted
-    version: "5.9.0"
+    version: "5.10.0"
   dio_web_adapter:
     dependency: transitive
     description:
       name: dio_web_adapter
-      sha256: "7586e476d70caecaf1686d21eee7247ea43ef5c345eab9e0cc3583ff13378d78"
+      sha256: dd58dc3861eb36edb13b217efc006a1c21e5bbc341de8c229b85634fa5e362e4
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "2.2.0"
   equatable:
     dependency: transitive
     description:
       name: equatable
-      sha256: "3e0141505477fd8ad55d6eb4e7776d3fe8430be8e497ccb1521370c3f21a3e2b"
+      sha256: "3bce007a596ff8b3119c45d68aaef631272537c03d30e5d4534dd24bf4c5eaa2"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.0"
   event_bus:
     dependency: transitive
     description:
@@ -397,10 +405,10 @@ packages:
     dependency: transitive
     description:
       name: ffi
-      sha256: d07d37192dbf97461359c1518788f203b0c9102cfd2c35a716b823741219542c
+      sha256: "6d7fd89431262d8f3125e81b50d3847a091d846eafcd4fdb88dd06f36d705a45"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.5"
+    version: "2.2.0"
   file:
     dependency: transitive
     description:
@@ -450,7 +458,7 @@ packages:
     source: hosted
     version: "1.1.1"
   flat_buffers:
-    dependency: transitive
+    dependency: "direct dev"
     description:
       name: flat_buffers
       sha256: "380bdcba5664a718bfd4ea20a45d39e13684f5318fcd8883066a55e21f37f4c3"
@@ -514,34 +522,34 @@ packages:
     dependency: "direct main"
     description:
       name: flutter_map
-      sha256: "391e7dc95cc3f5190748210a69d4cfeb5d8f84dcdfa9c3235d0a9d7742ccb3f8"
+      sha256: ce1debbb29cade61964334b2a19c7c76e5bb2ef7dacf126c6424ee44036232f8
       url: "https://pub.dev"
     source: hosted
-    version: "8.2.2"
+    version: "8.3.1"
   flutter_osm_interface:
     dependency: transitive
     description:
       name: flutter_osm_interface
-      sha256: fe7b02fee205aec861d0f08f643d4d6c49a5b9df06d3b43919fdf6699a275829
+      sha256: "98cc8855f3d94e1c953b72c31ae594221d54a5ef1b5a6689f8c0df2f613fe356"
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.0"
+    version: "1.5.0"
   flutter_osm_plugin:
     dependency: "direct main"
     description:
       name: flutter_osm_plugin
-      sha256: a35b76082818d457c750eaf071d9dbbbb49ee3a0092be6bf7ddcd0c345396b86
+      sha256: "2c2be585a23f9e213993e82765b66fe04c1bf1e7f337ee11ff4b8ee5fb5cd2dd"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.8"
+    version: "1.4.5"
   flutter_osm_web:
     dependency: transitive
     description:
       name: flutter_osm_web
-      sha256: "8542dc76aee29479b75fc79861ac748cd0a58482b71f0dfd116af6306e377300"
+      sha256: "4b457aed05915a4af820b74e8bd387a8d1b562b538b4cac14f8fadee9fffa80e"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.5"
+    version: "1.4.4"
   flutter_parsed_text:
     dependency: transitive
     description:
@@ -554,18 +562,18 @@ packages:
     dependency: transitive
     description:
       name: flutter_plugin_android_lifecycle
-      sha256: ee8068e0e1cd16c4a82714119918efdeed33b3ba7772c54b5d094ab53f9b7fd1
+      sha256: "3854fe5e3bff0b113c658f260b90c95dea17c92db0f2addeac2e343dd9969785"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.33"
+    version: "2.0.35"
   flutter_svg:
     dependency: transitive
     description:
       name: flutter_svg
-      sha256: "87fbd7c534435b6c5d9d98b01e1fd527812b82e68ddd8bd35fc45ed0fa8f0a95"
+      sha256: "35882981abcbfb8c15b286f0cd690ff25bac12d95eff3e25ee207f37d4c42e7f"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.3"
+    version: "2.3.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -604,26 +612,26 @@ packages:
     dependency: transitive
     description:
       name: geolocator_apple
-      sha256: dbdd8789d5aaf14cf69f74d4925ad1336b4433a6efdf2fce91e8955dc921bf22
+      sha256: "853803d6bb1713c094e935b4a5ae5f19c0308acf81da13fa9ff84fb4c70c0b73"
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.13"
+    version: "2.3.14"
   geolocator_platform_interface:
     dependency: transitive
     description:
       name: geolocator_platform_interface
-      sha256: "30cb64f0b9adcc0fb36f628b4ebf4f731a2961a0ebd849f4b56200205056fe67"
+      sha256: cdb082e4f048b69da244117b7914cc60d2a8897546ffaa4f2529c786ded7aee2
       url: "https://pub.dev"
     source: hosted
-    version: "4.2.6"
+    version: "4.2.8"
   geolocator_web:
     dependency: transitive
     description:
       name: geolocator_web
-      sha256: b1ae9bdfd90f861fde8fd4f209c37b953d65e92823cb73c7dee1fa021b06f172
+      sha256: "19e485a0f8d6a88abcf9c53cba3a4105e14b7435ed8ac1c108c067b938fe8429"
       url: "https://pub.dev"
     source: hosted
-    version: "4.1.3"
+    version: "4.1.4"
   geolocator_windows:
     dependency: transitive
     description:
@@ -656,6 +664,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.2"
+  hooks:
+    dependency: transitive
+    description:
+      name: hooks
+      sha256: "9a62a50b50b769a737bc0a8ff381f333529df3ab746b2f6b02e83760231455ba"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
   html:
     dependency: transitive
     description:
@@ -692,26 +708,26 @@ packages:
     dependency: "direct main"
     description:
       name: image
-      sha256: "492bd52f6c4fbb6ee41f781ff27765ce5f627910e1e0cbecfa3d9add5562604c"
+      sha256: "6300175e00616bbc832e2fc91bfa4d776af5402c81c7151bee6905bb08473c52"
       url: "https://pub.dev"
     source: hosted
-    version: "4.7.2"
+    version: "4.9.1"
   image_picker:
     dependency: "direct main"
     description:
       name: image_picker
-      sha256: "784210112be18ea55f69d7076e2c656a4e24949fa9e76429fe53af0c0f4fa320"
+      sha256: d8402284df184bc05f4a2210c6c23983b0720f4cd87cbd05c5390a78af602667
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.1"
+    version: "1.2.3"
   image_picker_android:
     dependency: transitive
     description:
       name: image_picker_android
-      sha256: "5e9bf126c37c117cf8094215373c6d561117a3cfb50ebc5add1a61dc6e224677"
+      sha256: "6f3a1995eafb000333174fae92202622033b0ee7fd917a6cd3730295264df84a"
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.13+10"
+    version: "0.8.13+19"
   image_picker_for_web:
     dependency: transitive
     description:
@@ -724,10 +740,10 @@ packages:
     dependency: transitive
     description:
       name: image_picker_ios
-      sha256: "956c16a42c0c708f914021666ffcd8265dde36e673c9fa68c81f7d085d9774ad"
+      sha256: b9c4a438a9ff4f60808c9cf0039b93a42bb6c2211ef6ebb647394b2b3fa84588
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.13+3"
+    version: "0.8.13+6"
   image_picker_linux:
     dependency: transitive
     description:
@@ -764,10 +780,10 @@ packages:
     dependency: "direct main"
     description:
       name: intl
-      sha256: "3df61194eb431efc39c4ceba583b95633a403f46c9fd341e550ce0bfa50e9aa5"
+      sha256: "1ca20c894b1717686a2319b8548763d812bc0aabdac580420a44c5178c57a867"
       url: "https://pub.dev"
     source: hosted
-    version: "0.20.2"
+    version: "0.20.3"
   io:
     dependency: transitive
     description:
@@ -776,6 +792,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.5"
+  jni:
+    dependency: transitive
+    description:
+      name: jni
+      sha256: c2230682d5bc2362c1c9e8d3c7f406d9cbba23ab3f2e203a025dd47e0fb2e68f
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  jni_flutter:
+    dependency: transitive
+    description:
+      name: jni_flutter
+      sha256: "8b59e590786050b1cd866677dddaf76b1ade5e7bc751abe04b86e84d379d3ba6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
   js:
     dependency: transitive
     description:
@@ -848,22 +880,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.1.1"
-  lists:
-    dependency: transitive
-    description:
-      name: lists
-      sha256: "4ca5c19ae4350de036a7e996cdd1ee39c93ac0a2b840f4915459b7d0a7d4ab27"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.1"
-  logger:
-    dependency: transitive
-    description:
-      name: logger
-      sha256: a7967e31b703831a893bbc3c3dd11db08126fe5f369b5c648a36f821979f5be3
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.6.2"
   logging:
     dependency: transitive
     description:
@@ -876,34 +892,34 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
+      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.17"
+    version: "0.12.19"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
       url: "https://pub.dev"
     source: hosted
-    version: "0.11.1"
+    version: "0.13.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
+      sha256: "1741988757a65eb6b36abe716829688cf01910bbf91c34354ff7ec1c3de2b349"
       url: "https://pub.dev"
     source: hosted
-    version: "1.17.0"
+    version: "1.18.0"
   mgrs_dart:
     dependency: transitive
     description:
       name: mgrs_dart
-      sha256: fb89ae62f05fa0bb90f70c31fc870bcbcfd516c843fb554452ab3396f78586f7
+      sha256: "385e7168ecc77eb545220223c49eef8ab249da7bf57f22781c40a04d23fb196f"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.0"
+    version: "3.0.0"
   mime:
     dependency: "direct main"
     description:
@@ -916,10 +932,10 @@ packages:
     dependency: "direct main"
     description:
       name: mqtt5_client
-      sha256: "3cbb546019d455330494357c922b5c7758c622f0e6f3955146dd2712fa8f7f7a"
+      sha256: a716e6bddc4715cd585ac7147383080dffafb6b7d55f370dc596b38c85e8c557
       url: "https://pub.dev"
     source: hosted
-    version: "4.15.2"
+    version: "4.17.1"
   objectbox:
     dependency: "direct main"
     description:
@@ -944,6 +960,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.1.0"
+  objective_c:
+    dependency: transitive
+    description:
+      name: objective_c
+      sha256: "6cb691c686fa2838c6deb34980d426145c2a5d537491cb83d463c33cdbc726ed"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.4.1"
   package_config:
     dependency: transitive
     description:
@@ -988,42 +1012,42 @@ packages:
     dependency: "direct main"
     description:
       name: path_provider
-      sha256: "50c5dd5b6e1aaf6fb3a78b33f6aa3afca52bf903a8a5298f53101fdaee55bbcd"
+      sha256: a7f4874f987173da295a61c181b8ee71dab59b332a486b391babf26a1b884825
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.5"
+    version: "2.1.6"
   path_provider_android:
     dependency: transitive
     description:
       name: path_provider_android
-      sha256: f2c65e21139ce2c3dad46922be8272bb5963516045659e71bb16e151c93b580e
+      sha256: "69cbd515a62b94d32a7944f086b2f82b4ac40a1d45bebfc00813a430ab2dabcd"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.22"
+    version: "2.3.1"
   path_provider_foundation:
     dependency: transitive
     description:
       name: path_provider_foundation
-      sha256: "6d13aece7b3f5c5a9731eaf553ff9dcbc2eff41087fd2df587fd0fed9a3eb0c4"
+      sha256: "2a376b7d6392d80cd3705782d2caa734ca4727776db0b6ec36ef3f1855197699"
       url: "https://pub.dev"
     source: hosted
-    version: "2.5.1"
+    version: "2.6.0"
   path_provider_linux:
     dependency: transitive
     description:
       name: path_provider_linux
-      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      sha256: "58c2005f147315b11e9b4a7bc889cd5203e250cba8e3f012dae259b4972b5c16"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.1"
+    version: "2.2.2"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
-      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
+      sha256: "484838772624c3a4b94f1e44a3e19897fee738f2d5c4ce448443b0417f7c9dda"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.3"
   path_provider_windows:
     dependency: transitive
     description:
@@ -1036,34 +1060,34 @@ packages:
     dependency: transitive
     description:
       name: pdfium_dart
-      sha256: f1683b9070ddc5c9189c6ee008c285791da66328ce1b882c7162d3393f3a4a74
+      sha256: "86e95c66b09f3245b95c4924f2edce8d4f7c9786876e5c5ee8e36b104a94bbb0"
       url: "https://pub.dev"
     source: hosted
-    version: "0.1.3"
+    version: "0.2.5"
   pdfium_flutter:
     dependency: transitive
     description:
       name: pdfium_flutter
-      sha256: "0c8b7d5d11d20a1486eade599648e907067568955bd14a1b06de076a968b60a1"
+      sha256: "0b115c0917aef9cf6bb9c4d47d0efc61d97f44844cd76287c921f997c26cf15d"
       url: "https://pub.dev"
     source: hosted
-    version: "0.1.9"
+    version: "0.2.3"
   pdfrx:
     dependency: "direct main"
     description:
       name: pdfrx
-      sha256: "82e719f7e7994cb78344a1d3c0e204ffdf86ddf9364ff495368acdae6e3f489f"
+      sha256: acce61944c31bd36f0c3031b1bbf41f59d0b0d4e5e27614fbdc74ff093d55464
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.20"
+    version: "2.4.7"
   pdfrx_engine:
     dependency: transitive
     description:
       name: pdfrx_engine
-      sha256: a28e9d4436dcb9a659b50f71ca1eed72f30b5c45340a9b68299fa904e735128c
+      sha256: ef8f8cfa64255bfc91a559dd2d32d7cfe7a0f8003bac297bbf9a0aed1182fae5
       url: "https://pub.dev"
     source: hosted
-    version: "0.3.7"
+    version: "0.4.6"
   permission_handler:
     dependency: "direct main"
     description:
@@ -1084,10 +1108,10 @@ packages:
     dependency: transitive
     description:
       name: permission_handler_apple
-      sha256: f000131e755c54cf4d84a5d8bd6e4149e262cc31c5a8b1d698de1ac85fa41023
+      sha256: "79dfa1df734798aa3cfdad166d3a3698c206d8813de13516ea1071b5d7e2f420"
       url: "https://pub.dev"
     source: hosted
-    version: "9.4.7"
+    version: "9.4.10"
   permission_handler_html:
     dependency: transitive
     description:
@@ -1112,14 +1136,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.2.1"
+  permission_manager:
+    dependency: transitive
+    description:
+      name: permission_manager
+      sha256: c3ad9951dd23fa713559a6dde3974421273b53cf62fe0088d2c860260fa03623
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.9"
   petitparser:
     dependency: transitive
     description:
       name: petitparser
-      sha256: "1a97266a94f7350d30ae522c0af07890c70b8e62c71e8e3920d1db4d23c057d1"
+      sha256: "91bd59303e9f769f108f8df05e371341b15d59e995e6806aefab827b58336675"
       url: "https://pub.dev"
     source: hosted
-    version: "7.0.1"
+    version: "7.0.2"
   photo_view:
     dependency: transitive
     description:
@@ -1164,18 +1196,18 @@ packages:
     dependency: transitive
     description:
       name: posix
-      sha256: "6323a5b0fa688b6a010df4905a56b00181479e6d10534cecfecede2aa55add61"
+      sha256: "185ef7606574f789b40f289c233efa52e96dead518aed988e040a10737febb07"
       url: "https://pub.dev"
     source: hosted
-    version: "6.0.3"
+    version: "6.5.0"
   proj4dart:
     dependency: transitive
     description:
       name: proj4dart
-      sha256: c8a659ac9b6864aa47c171e78d41bbe6f5e1d7bd790a5814249e6b68bc44324e
+      sha256: ddcedc1f7876e62717de43ab3491e2829bdad0b028261805f94aa080967e5859
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "3.0.0"
   pub_semver:
     dependency: transitive
     description:
@@ -1192,6 +1224,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.5.0"
+  record_use:
+    dependency: transitive
+    description:
+      name: record_use
+      sha256: "2551bd8eecfe95d14ae75f6021ad0248be5c27f138c2ec12fcb52b500b3ba1ed"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.0"
   routing_client_dart:
     dependency: transitive
     description:
@@ -1228,18 +1268,18 @@ packages:
     dependency: "direct main"
     description:
       name: shared_preferences
-      sha256: "2939ae520c9024cb197fc20dee269cd8cdbf564c8b5746374ec6cacdc5169e64"
+      sha256: c3025c5534b01739267eb7d76959bbc25a6d10f6988e1c2a3036940133dd10bf
       url: "https://pub.dev"
     source: hosted
-    version: "2.5.4"
+    version: "2.5.5"
   shared_preferences_android:
     dependency: transitive
     description:
       name: shared_preferences_android
-      sha256: "83af5c682796c0f7719c2bbf74792d113e40ae97981b8f266fa84574573556bc"
+      sha256: "0634e64bd719f89c012f392938e173521f535d3ecaf66558fa94a056d22b5cc7"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.18"
+    version: "2.4.27"
   shared_preferences_foundation:
     dependency: transitive
     description:
@@ -1260,10 +1300,10 @@ packages:
     dependency: transitive
     description:
       name: shared_preferences_platform_interface
-      sha256: "57cbf196c486bc2cf1f02b85784932c6094376284b3ad5779d1b1c6c6a816b80"
+      sha256: "649dc798a33931919ea356c4305c2d1f81619ea6e92244070b520187b5140ef9"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.1"
+    version: "2.4.2"
   shared_preferences_web:
     dependency: transitive
     description:
@@ -1304,6 +1344,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.3.0"
+  simple_sparse_list:
+    dependency: transitive
+    description:
+      name: simple_sparse_list
+      sha256: aa648fd240fa39b49dcd11c19c266990006006de6699a412de485695910fbc1f
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -1329,10 +1377,10 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      sha256: "254ee5351d6cb365c859e20ee823c3bb479bf4a293c22d17a9f1bf144ce86f7c"
+      sha256: "56a02f1f4cd1a2d96303c0144c93bd6d909eea6bee6bf5a0e0b685edbd4c47ab"
       url: "https://pub.dev"
     source: hosted
-    version: "1.10.1"
+    version: "1.10.2"
   stack_trace:
     dependency: transitive
     description:
@@ -1369,10 +1417,10 @@ packages:
     dependency: "direct main"
     description:
       name: synchronized
-      sha256: c254ade258ec8282947a0acbbc90b9575b4f19673533ee46f2f6e9b3aeefd7c0
+      sha256: "61894a1956de6b4fc1aefd0892e109514a1a706cbece3ac59decd90ff5a7a423"
       url: "https://pub.dev"
     source: hosted
-    version: "3.4.0"
+    version: "3.4.1+1"
   term_glyph:
     dependency: transitive
     description:
@@ -1385,10 +1433,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
+      sha256: "949a932224383300f01be9221c39180316445ecb8e7547f70a41a35bf421fb9e"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.7"
+    version: "0.7.11"
   timing:
     dependency: transitive
     description:
@@ -1409,10 +1457,10 @@ packages:
     dependency: transitive
     description:
       name: unicode
-      sha256: "0f69e46593d65245774d4f17125c6084d2c20b4e473a983f6e21b7d7762218f1"
+      sha256: a6f7bcfc8ea1d5ce1f6c0b1c39117a9919f4953edd9fd7a64090a9796c499b57
       url: "https://pub.dev"
     source: hosted
-    version: "0.3.1"
+    version: "1.1.9"
   universal_html:
     dependency: transitive
     description:
@@ -1441,18 +1489,18 @@ packages:
     dependency: transitive
     description:
       name: url_launcher_android
-      sha256: "767344bf3063897b5cf0db830e94f904528e6dd50a6dfaf839f0abf509009611"
+      sha256: b413d49b73867ac08dd2f9890efd3cc11f2a0e577618d50843440a1fb3776c32
       url: "https://pub.dev"
     source: hosted
-    version: "6.3.28"
+    version: "6.3.32"
   url_launcher_ios:
     dependency: transitive
     description:
       name: url_launcher_ios
-      sha256: cfde38aa257dae62ffe79c87fab20165dfdf6988c1d31b58ebf59b9106062aad
+      sha256: "580fe5dfb51671ae38191d316e027f6b76272b026370708c2d898799750a02b0"
       url: "https://pub.dev"
     source: hosted
-    version: "6.3.6"
+    version: "6.4.1"
   url_launcher_linux:
     dependency: transitive
     description:
@@ -1481,10 +1529,10 @@ packages:
     dependency: transitive
     description:
       name: url_launcher_web
-      sha256: "4bd2b7b4dc4d4d0b94e5babfffbca8eac1a126c7f3d6ecbc1a11013faa3abba2"
+      sha256: "85c81589622fbc87c1c683aaea164d3604a7777495a79d91e39ffcdec39ddb34"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.1"
+    version: "2.4.3"
   url_launcher_windows:
     dependency: transitive
     description:
@@ -1497,18 +1545,18 @@ packages:
     dependency: "direct main"
     description:
       name: uuid
-      sha256: a11b666489b1954e01d992f3d601b1804a33937b5a8fe677bd26b8a9f96f96e8
+      sha256: "9b129329f58692f6e6578329498a8fe9fbe98f090beb764ffbb8ee2eadd01dcd"
       url: "https://pub.dev"
     source: hosted
-    version: "4.5.2"
+    version: "4.6.0"
   vector_graphics:
     dependency: transitive
     description:
       name: vector_graphics
-      sha256: a4f059dc26fc8295b5921376600a194c4ec7d55e72f2fe4c7d2831e103d461e6
+      sha256: "2306c03da2ba81724afeb589c351ebbc0aa7d86005925be8f8735856dbe5e42d"
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.19"
+    version: "1.2.2"
   vector_graphics_codec:
     dependency: transitive
     description:
@@ -1521,10 +1569,10 @@ packages:
     dependency: transitive
     description:
       name: vector_graphics_compiler
-      sha256: d354a7ec6931e6047785f4db12a1f61ec3d43b207fc0790f863818543f8ff0dc
+      sha256: "142a9146f447d15b10bdc00e21d5f4d83e5b32bb5f8f8f5a04c75311344923a3"
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.19"
+    version: "1.2.6"
   vector_math:
     dependency: transitive
     description:
@@ -1545,10 +1593,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: "45caa6c5917fa127b5dbcfbd1fa60b14e583afdc08bfc96dda38886ca252eb60"
+      sha256: "0016aef94fc66495ac78af5859181e3f3bf2026bd8eecc72b9565601e19ab360"
       url: "https://pub.dev"
     source: hosted
-    version: "15.0.2"
+    version: "15.2.0"
   watcher:
     dependency: transitive
     description:
@@ -1617,10 +1665,10 @@ packages:
     dependency: transitive
     description:
       name: xml
-      sha256: "971043b3a0d3da28727e40ed3e0b5d18b742fa5a68665cca88e74b7876d5e025"
+      sha256: "67f0aff7be013d107995e9b75bf4e7f2c3ef2dfdb2c8e68024bba0a7fd5756a4"
       url: "https://pub.dev"
     source: hosted
-    version: "6.6.1"
+    version: "7.0.1"
   yaml:
     dependency: transitive
     description:
@@ -1630,5 +1678,5 @@ packages:
     source: hosted
     version: "3.1.3"
 sdks:
-  dart: ">=3.9.0 <4.0.0"
+  dart: ">=3.12.0 <4.0.0"
-  flutter: ">=3.35.1"
+  flutter: ">=3.44.0"

pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 354.0.0+354
+version: 358.0.0+358
 
 environment:
   sdk: '>=3.9.0 <4.0.0'
@@ -72,6 +72,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  flat_buffers: ^23.5.26
   build_runner: ^2.4.13
   objectbox_generator: ^4.0.3
   json_serializable: ^6.6.2

test/model/chat_message_test.dart

@@ -0,0 +1,86 @@
+import 'package:flat_buffers/flat_buffers.dart' as fb;
+import 'package:flutter_test/flutter_test.dart';
+import 'package:objectbox/internal.dart' show EntityDefinition;
+import 'package:stadtbote/model/chat_message.dart';
+import 'package:stadtbote/objectbox.g.dart';
+
+void main() {
+  group('ChatMessage IDs', () {
+    test('initialisiert ausgehende Nachrichten vollständig', () {
+      final message = _outgoingMessage();
+
+      expect(message.id, 0);
+      expect(message.toJson(), {
+        'id': 42,
+        'time': 1791366832,
+        'from': 'courier-123',
+        'subj': '',
+        'text': 'Auftrag erledigt',
+        'read': true,
+      });
+    });
+
+    test('serialisiert ausgehende Nachrichten für ObjectBox ohne Fehler', () {
+      final message = _outgoingMessage();
+      final definition = getObjectBoxModel().bindings[ChatMessage]!
+          as EntityDefinition<ChatMessage>;
+      final builder = fb.Builder();
+
+      expect(definition.objectToFB(message, builder), 0);
+
+      final buffer = fb.BufferContext.fromBytes(builder.buffer);
+      final root = buffer.derefObject(0);
+      const intReader = fb.Int64Reader();
+      const stringReader = fb.StringReader();
+
+      expect(intReader.vTableGet(buffer, root, 4, -1), 0);
+      expect(intReader.vTableGet(buffer, root, 6, -1), 42);
+      expect(intReader.vTableGet(buffer, root, 8, -1), 1791366832);
+      expect(stringReader.vTableGet(buffer, root, 10, ''), 'courier-123');
+      expect(stringReader.vTableGet(buffer, root, 12, 'missing'), '');
+      expect(stringReader.vTableGet(buffer, root, 14, ''), 'Auftrag erledigt');
+      expect(const fb.BoolReader().vTableGet(buffer, root, 16, false), isTrue);
+    });
+
+    test('verwendet nach lokaler ID-Vergabe weiterhin die Nachrichten-ID', () {
+      final message = _outgoingMessage();
+      final definition = getObjectBoxModel().bindings[ChatMessage]!
+          as EntityDefinition<ChatMessage>;
+
+      definition.setId(message, 99);
+
+      expect(message.id, 99);
+      expect(message.externalId, 42);
+      expect(message.toJson()['id'], 42);
+    });
+
+    test('übernimmt empfangene Server-IDs getrennt von der lokalen ID', () {
+      final message = ChatMessage.fromJson({
+        'id': 21891302,
+        'time': 1791366832,
+        'from': 'Zentrale',
+        'subj': 'Rückfrage',
+        'text': 'Bitte melden',
+      });
+
+      expect(message.id, 0);
+      expect(message.externalId, 21891302);
+      expect(message.read, isFalse);
+      expect(message.toJson(), {
+        'id': 21891302,
+        'time': 1791366832,
+        'from': 'Zentrale',
+        'subj': 'Rückfrage',
+        'text': 'Bitte melden',
+        'read': false,
+      });
+    });
+  });
+}
+
+ChatMessage _outgoingMessage() => ChatMessage.outgoing(
+  externalId: 42,
+  time: 1791366832,
+  from: 'courier-123',
+  text: 'Auftrag erledigt',
+);

test/tools/mqtt_core_test.dart

@@ -0,0 +1,317 @@
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:archive/archive.dart';
+import 'package:dart_mq/dart_mq.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mqtt5_client/mqtt5_client.dart';
+import 'package:mqtt5_client/mqtt5_server_client.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:stadtbote/main.dart';
+import 'package:stadtbote/model/enqueued_message.dart';
+import 'package:stadtbote/model/job.dart';
+import 'package:stadtbote/model/log_entry.dart';
+import 'package:stadtbote/objectbox.g.dart';
+import 'package:stadtbote/tools/constants.dart';
+import 'package:stadtbote/tools/message_header.dart';
+import 'package:stadtbote/tools/messages/publish_payload_message.dart';
+import 'package:stadtbote/tools/mqtt_core.dart';
+import 'package:stadtbote/tools/util.dart';
+// ignore: depend_on_referenced_packages
+import 'package:typed_data/typed_buffers.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  late _MessageStore store;
+  late _MqttClient client;
+
+  setUp(() async {
+    SharedPreferences.setMockInitialValues({});
+    await Util.init();
+    MQClient.initialize();
+    for (final topic in [
+      Constants.messageTopicPublishPayload,
+      Constants.messageTopicDisconnectClient,
+      Constants.messageTopicConnectClient,
+      Constants.messageTopicRequestConnectionStatus,
+      Constants.messageTopicConnectionStatusChanged,
+    ]) {
+      MQClient.instance.declareQueue(topic);
+    }
+    store = _MessageStore();
+    MyApp.objectBoxStore = store;
+    client = _MqttClient();
+    MqttCore.withClient(
+      client: client,
+      clientId: 'test-device',
+      fromServerTopic: 'server/a/b/c/d/e/',
+      toServerTopic: 'client/a/b/c/d/e/',
+    );
+  });
+
+  tearDown(() async {
+    await client.incoming.close();
+    MQClient.instance.close();
+  });
+
+  Future<void> publish(WidgetTester tester, {bool requiresAck = true}) async {
+    MQClient.instance.sendMessage(
+      routingKey: Constants.messageTopicPublishPayload,
+      message: Message(
+        payload: PublishPayloadMessage(
+          topic: 'mssg',
+          message: {'text': 'Auftrag erledigt'},
+          acknowledgeRequired: requiresAck,
+        ),
+      ),
+    );
+    await tester.pump();
+  }
+
+  Future<void> retry(WidgetTester tester) async {
+    client.receive('sync_request', {});
+    await tester.pump();
+  }
+
+  testWidgets('behält ID, Inhalt und Bestätigungspflicht bei Wiederholungen', (
+    tester,
+  ) async {
+    // Auch beim ersten Sendeversuch muss die Nachricht bereits gespeichert sein.
+    List<EnqueuedMessage>? queuedAtFirstSend;
+    client.onPublish = () => queuedAtFirstSend = store.messages.getAll();
+    await publish(tester);
+    client.onPublish = null;
+    final original = client.chatMessages.single;
+    final queued = store.messages.rows.single;
+    expect(queuedAtFirstSend, hasLength(1));
+    expect(queuedAtFirstSend!.single.messageId, original.messageId);
+    expect(queued.messageId, original.messageId);
+    expect(jsonDecode(queued.payload), original.payload);
+
+    await retry(tester);
+    await retry(tester);
+
+    expect(client.chatMessages, hasLength(3));
+    for (final message in client.chatMessages) {
+      expect(message.toJson(), original.toJson());
+      expect(message.requiresAck, isTrue);
+    }
+    expect(store.messages.rows.single.id, queued.id);
+    expect(store.messages.putCount, 1);
+  });
+
+  testWidgets('sendet bestätigte Nachrichten nicht erneut', (tester) async {
+    await publish(tester);
+    final messageId = client.chatMessages.single.messageId;
+    await retry(tester);
+    expect(store.messages.rows, hasLength(1));
+
+    client.receive('acknowledge', {'messageId': messageId});
+    await tester.pump();
+    expect(store.messages.rows, isEmpty);
+
+    await retry(tester);
+    expect(client.chatMessages, hasLength(2));
+  });
+
+  testWidgets('behält unbestätigte Nachrichten nach fehlgeschlagenem Versand', (
+    tester,
+  ) async {
+    client.failPublish = true;
+    await publish(tester);
+    final messageId = store.messages.rows.single.messageId;
+    await retry(tester);
+    expect(store.messages.rows.single.messageId, messageId);
+    expect(client.chatMessages, isEmpty);
+
+    client.failPublish = false;
+    await retry(tester);
+    expect(client.chatMessages.single.messageId, messageId);
+    expect(client.chatMessages.single.requiresAck, isTrue);
+    expect(store.messages.rows, hasLength(1));
+  });
+
+  testWidgets('verwendet die ID bereits gespeicherter Nachrichten', (
+    tester,
+  ) async {
+    store.messages.put(
+      EnqueuedMessage()
+        ..messageId = 'persisted-message-id'
+        ..topic = 'mssg'
+        ..payload = '{"text":"Vor dem Neustart gespeichert"}',
+    );
+
+    await retry(tester);
+
+    final message = client.chatMessages.single;
+    expect(message.messageId, 'persisted-message-id');
+    expect(message.requiresAck, isTrue);
+    expect(message.payload['text'], 'Vor dem Neustart gespeichert');
+    expect(store.messages.rows, hasLength(1));
+    expect(store.messages.putCount, 1);
+  });
+
+  testWidgets('wiederholt Nachrichten ohne Bestätigungspflicht nicht', (
+    tester,
+  ) async {
+    await publish(tester, requiresAck: false);
+    await retry(tester);
+
+    expect(client.chatMessages, hasLength(1));
+    expect(client.chatMessages.single.requiresAck, isFalse);
+    expect(store.messages.rows, isEmpty);
+  });
+
+  testWidgets(
+    'vergibt für neue Nachrichten auch bei gleichem Inhalt eigene IDs',
+    (tester) async {
+      await publish(tester);
+      await publish(tester);
+
+      final ids = client.chatMessages
+          .map((message) => message.messageId)
+          .toList();
+      expect(ids.toSet(), hasLength(2));
+      await retry(tester);
+      expect(client.chatMessages.map((message) => message.messageId), [
+        ...ids,
+        ...ids,
+      ]);
+      expect(store.messages.rows, hasLength(2));
+    },
+  );
+
+  testWidgets('sendet bei fehlgeschlagener Speicherung keine neue Nachricht', (
+    tester,
+  ) async {
+    store.messages.failPut = true;
+    await publish(tester);
+
+    expect(client.chatMessages, isEmpty);
+    expect(store.messages.rows, isEmpty);
+  });
+}
+
+class _MqttClient extends Fake implements MqttServerClient {
+  final incoming =
+      StreamController<List<MqttReceivedMessage<MqttMessage>>>.broadcast();
+  final chatMessages = <MessageHeader>[];
+  bool failPublish = false;
+  void Function()? onPublish;
+
+  @override
+  Stream<List<MqttReceivedMessage<MqttMessage>>> get updates => incoming.stream;
+
+  @override
+  MqttSubscription? subscribe(String topic, MqttQos qosLevel) => null;
+
+  @override
+  int publishMessage(
+    String topic,
+    MqttQos qualityOfService,
+    Uint8Buffer data, {
+    bool retain = false,
+    List<MqttUserProperty>? userProperties,
+  }) {
+    onPublish?.call();
+    if (failPublish) throw StateError('Keine Verbindung');
+    if (topic.endsWith('/mssg')) {
+      chatMessages.add(
+        MessageHeader.fromJson(
+          jsonDecode(utf8.decode(GZipDecoder().decodeBytes(data))),
+        ),
+      );
+    }
+    return 1;
+  }
+
+  void receive(String topic, Map<String, dynamic> payload) {
+    final data = Uint8Buffer()
+      ..addAll(
+        GZipEncoder().encode(
+          utf8.encode(
+            jsonEncode({
+              'messageId': 'server-message-id',
+              'requiresAck': false,
+              'payload': payload,
+            }),
+          ),
+        ),
+      );
+    final message = MqttPublishMessage()
+        .toTopic('server/a/b/c/d/e/test-device/$topic')
+        .publishData(data);
+    incoming.add([MqttReceivedMessage(topic, message)]);
+  }
+}
+
+class _MessageStore extends Fake implements Store {
+  final messages = _MessageBox();
+  final logs = _MemoryBox<LogEntry>();
+  final jobs = _MemoryBox<Job>();
+
+  @override
+  Box<T> box<T>() {
+    if (T == EnqueuedMessage) return messages as Box<T>;
+    if (T == LogEntry) return logs as Box<T>;
+    if (T == Job) return jobs as Box<T>;
+    throw StateError('Unerwarteter Entity-Typ: $T');
+  }
+}
+
+class _MemoryBox<T> extends Fake implements Box<T> {
+  final rows = <T>[];
+
+  @override
+  List<T> getAll() => List.of(rows);
+
+  @override
+  int put(T object, {PutMode mode = PutMode.put}) => 0;
+
+  @override
+  QueryBuilder<T> query([Condition<T>? qc]) => _MemoryQueryBuilder(rows);
+}
+
+class _MessageBox extends _MemoryBox<EnqueuedMessage> {
+  int putCount = 0;
+  bool failPut = false;
+
+  @override
+  int put(EnqueuedMessage object, {PutMode mode = PutMode.put}) {
+    if (failPut) throw StateError('Speicherung fehlgeschlagen');
+    object.id = ++putCount;
+    rows.add(object);
+    return object.id;
+  }
+
+  @override
+  int removeMany(List<int> ids) {
+    final count = rows.length;
+    rows.removeWhere((row) => ids.contains(row.id));
+    return count - rows.length;
+  }
+}
+
+// Die nativen Datenbankzugriffe sind ersetzt. Im Bestätigungstest enthält
+// die Warteschlange genau die eine zum ACK passende Nachricht.
+class _MemoryQueryBuilder<T> extends Fake implements QueryBuilder<T> {
+  final List<T> rows;
+
+  _MemoryQueryBuilder(this.rows);
+
+  @override
+  Query<T> build() => _MemoryQuery(rows);
+}
+
+class _MemoryQuery<T> extends Fake implements Query<T> {
+  final List<T> rows;
+
+  _MemoryQuery(this.rows);
+
+  @override
+  List<T> find() => List.of(rows);
+
+  @override
+  void close() {}
+}

test/widget/messages_page_test.dart

@@ -0,0 +1,130 @@
+import 'dart:convert';
+import 'dart:typed_data';
+
+import 'package:dart_mq/dart_mq.dart';
+import 'package:flat_buffers/flat_buffers.dart' as fb;
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:objectbox/internal.dart' show EntityDefinition;
+import 'package:stadtbote/content_views/messages_page.dart';
+import 'package:stadtbote/main.dart';
+import 'package:stadtbote/model/chat_message.dart';
+import 'package:stadtbote/model/session_status.dart';
+import 'package:stadtbote/objectbox.g.dart';
+import 'package:stadtbote/tools/constants.dart';
+import 'package:stadtbote/tools/messages/publish_payload_message.dart';
+
+void main() {
+  setUp(() {
+    MQClient.initialize();
+    MQClient.instance.declareQueue(Constants.messageTopicPublishPayload);
+  });
+
+  tearDown(() {
+    MQClient.instance.close();
+  });
+
+  testWidgets('bestätigt die Server-ID auch nach der lokalen ID-Vergabe', (
+    tester,
+  ) async {
+    final message = ChatMessage.fromJson({
+      'id': 6094830,
+      'time': 1791536566,
+      'from': 'NL',
+      'subj': 'Test1',
+      'text': 'Test2',
+    });
+    final store = _MessageStore();
+    final definition =
+        getObjectBoxModel().bindings[ChatMessage]!
+            as EntityDefinition<ChatMessage>;
+
+    // Die nativen Datenbankzugriffe werden ersetzt; die generierte
+    // ObjectBox-Serialisierung und der Nachrichtenversand laufen unverändert.
+    definition.setId(message, 2);
+    final builder = fb.Builder();
+    definition.objectToFB(message, builder);
+    final restored = definition.objectFromFB(
+      store,
+      ByteData.sublistView(builder.buffer),
+    );
+    expect(restored.id, 2);
+    expect(restored.externalId, 6094830);
+    expect(restored.read, isFalse);
+
+    store.messages = _MessageBox(restored);
+    MyApp.objectBoxStore = store;
+
+    await tester.pumpWidget(
+      const MaterialApp(home: Scaffold(body: MessagesPage())),
+    );
+    await tester.pumpAndSettle();
+
+    final published =
+        MQClient.instance
+                .getLatestMessage(Constants.messageTopicPublishPayload)!
+                .payload
+            as PublishPayloadMessage;
+    expect(published.topic, 'mssg_received');
+    expect(published.acknowledgeRequired, isFalse);
+    expect(jsonDecode(jsonEncode(published.message)), {
+      'ids': ['6094830'],
+      'time': isA<int>(),
+    });
+    expect(restored.read, isTrue);
+    expect(find.text('Test1\nTest2', findRichText: true), findsOneWidget);
+  });
+}
+
+class _MessageStore extends Fake implements Store {
+  late final _MessageBox messages;
+
+  @override
+  Box<T> box<T>() {
+    if (T == ChatMessage) return messages as Box<T>;
+    if (T == SessionStatus) return _SessionBox() as Box<T>;
+    throw StateError('Unerwarteter Entity-Typ: $T');
+  }
+}
+
+class _SessionBox extends Fake implements Box<SessionStatus> {
+  @override
+  List<SessionStatus> getAll() => [];
+}
+
+class _MessageBox extends Fake implements Box<ChatMessage> {
+  final ChatMessage message;
+
+  _MessageBox(this.message);
+
+  @override
+  List<ChatMessage> getAll() => [message];
+
+  @override
+  QueryBuilder<ChatMessage> query([Condition<ChatMessage>? qc]) =>
+      _UnreadQueryBuilder(message);
+
+  @override
+  int put(ChatMessage object, {PutMode mode = PutMode.put}) => object.id;
+}
+
+class _UnreadQueryBuilder extends Fake implements QueryBuilder<ChatMessage> {
+  final ChatMessage message;
+
+  _UnreadQueryBuilder(this.message);
+
+  @override
+  Query<ChatMessage> build() => _UnreadQuery(message);
+}
+
+class _UnreadQuery extends Fake implements Query<ChatMessage> {
+  final ChatMessage message;
+
+  _UnreadQuery(this.message);
+
+  @override
+  List<ChatMessage> find() => [if (!message.read) message];
+
+  @override
+  void close() {}
+}

windows/flutter/generated_plugin_registrant.cc

@@ -11,6 +11,7 @@
 #include <geolocator_windows/geolocator_windows.h>
 #include <objectbox_flutter_libs/objectbox_flutter_libs_plugin.h>
 #include <permission_handler_windows/permission_handler_windows_plugin.h>
+#include <permission_manager/permission_manager_plugin.h>
 #include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
@@ -24,6 +25,8 @@ void RegisterPlugins(flutter::PluginRegistry* registry) {
       registry->GetRegistrarForPlugin("ObjectboxFlutterLibsPlugin"));
   PermissionHandlerWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("PermissionHandlerWindowsPlugin"));
+  PermissionManagerPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("PermissionManagerPlugin"));
   UrlLauncherWindowsRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("UrlLauncherWindows"));
 }

windows/flutter/generated_plugins.cmake

@@ -8,11 +8,12 @@ list(APPEND FLUTTER_PLUGIN_LIST
   geolocator_windows
   objectbox_flutter_libs
   permission_handler_windows
+  permission_manager
   url_launcher_windows
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
-  pdfium_flutter
+  jni
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)