added guardian login with views for their assigned childs

lib/view/pages/absence_report/absence_form_policy.dart

@@ -0,0 +1,28 @@
+import '../../../api/marianumconnect/queries/get_capabilities/guardian_child.dart';
+import '../../../session/session.dart';
+import '../../../state/app/modules/children/child_selection_cubit.dart';
+
+/// Who an absence report is filed for, and what the form lets the user edit.
+class AbsenceFormPolicy {
+  /// The child the report is for; null when users report for themselves.
+  final GuardianChild? child;
+
+  const AbsenceFormPolicy._(this.child);
+
+  /// Guardians report for a linked child whose identity the server knows,
+  /// so name and class are fixed.
+  bool get identityEditable => child == null;
+
+  /// Null when the session cannot file a report (guardian without children).
+  static AbsenceFormPolicy? resolve({
+    required Session? session,
+    required List<GuardianChild> children,
+    required String? selectedChildId,
+  }) => switch (session) {
+    GuardianSession() => switch (effectiveChild(children, selectedChildId)) {
+      null => null,
+      final child => AbsenceFormPolicy._(child),
+    },
+    _ => const AbsenceFormPolicy._(null),
+  };
+}

lib/view/pages/absence_report/absence_report_view.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 
 import '../../../api/errors/error_mapper.dart';
 import '../../../api/marianumconnect/queries/absence/absence_classes.dart';
@@ -6,24 +7,55 @@ import '../../../api/marianumconnect/queries/absence/absence_prefill.dart';
 import '../../../api/marianumconnect/queries/absence/absence_prefill_response.dart';
 import '../../../api/marianumconnect/queries/absence/absence_submit.dart';
 import '../../../extensions/date_time.dart';
+import '../../../session/session_manager.dart';
+import '../../../state/app/modules/capabilities/bloc/capabilities_cubit.dart';
+import '../../../state/app/modules/children/child_selection_cubit.dart';
 import '../../../widget/app_progress_indicator.dart';
 import '../../../widget/async_action_button.dart';
+import '../../../widget/child_switcher.dart';
 import '../../../widget/demo_restricted.dart';
 import '../../../widget/focus_behaviour.dart';
 import '../../../widget/placeholder_view.dart';
+import 'absence_form_policy.dart';
 
 /// Mobile mirror of the public absence-report form: submit-only (no history —
 /// that lives on the web). Identity/class/phone are prefilled from the backend
 /// but stay editable; the class list matches the submit validation source.
+/// Guardians report for the selected child, whose identity is fixed.
 /// User-facing texts mirror the public web form (`AbsencePublicForm.svelte`).
-class AbsenceReportView extends StatefulWidget {
+class AbsenceReportView extends StatelessWidget {
   const AbsenceReportView({super.key});
 
   @override
-  State<AbsenceReportView> createState() => _AbsenceReportViewState();
+  Widget build(BuildContext context) {
+    final policy = AbsenceFormPolicy.resolve(
+      session: SessionManager().current,
+      children: context.watch<CapabilitiesCubit>().state.children,
+      selectedChildId: context.watch<ChildSelectionCubit>().state,
+    );
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Abwesenheitsmeldung'),
+        actions: const [ChildSwitcher()],
+      ),
+      body: policy == null
+          ? const NoChildrenPlaceholder()
+          // Re-created per child so no input leaks into another child's report.
+          : _AbsenceForm(key: ValueKey(policy.child?.id), policy: policy),
+    );
+  }
 }
 
-class _AbsenceReportViewState extends State<AbsenceReportView> {
+class _AbsenceForm extends StatefulWidget {
+  final AbsenceFormPolicy policy;
+
+  const _AbsenceForm({required this.policy, super.key});
+
+  @override
+  State<_AbsenceForm> createState() => _AbsenceFormState();
+}
+
+class _AbsenceFormState extends State<_AbsenceForm> {
   static const String _required = 'Dieses Feld ist erforderlich.';
 
   final TextEditingController _firstName = TextEditingController();
@@ -67,7 +99,17 @@ class _AbsenceReportViewState extends State<AbsenceReportView> {
     if (_submitted) setState(() {});
   }
 
+  String? get _childId => widget.policy.child?.id;
+
   Future<void> _load() async {
+    if (!widget.policy.identityEditable) {
+      // The child's identity is the whole point of the form, so a failed
+      // prefill is an error here, not a degraded start.
+      final prefill = await AbsencePrefill().run(childId: _childId);
+      _classes = [prefill.className];
+      _applyPrefill(prefill, _classes);
+      return;
+    }
     // Both GETs are independent — fire them together. Prefill is best-effort
     // (mapped to null on failure), so a classes error still propagates while a
     // prefill failure never surfaces as an unhandled async error.
@@ -148,6 +190,7 @@ class _AbsenceReportViewState extends State<AbsenceReportView> {
       absentUntil: _absentUntil,
       phone: _phone.text.trim(),
       note: _note.text.trim(),
+      childId: _childId,
     );
     if (!mounted) return;
     // Replace the whole form with a terminal success screen. There is
@@ -157,10 +200,8 @@ class _AbsenceReportViewState extends State<AbsenceReportView> {
   }
 
   @override
-  Widget build(BuildContext context) => Scaffold(
-    appBar: AppBar(title: const Text('Abwesenheitsmeldung')),
-    body: _done ? const _SubmittedView() : _buildBody(context),
-  );
+  Widget build(BuildContext context) =>
+      _done ? const _SubmittedView() : _buildBody(context);
 
   Widget _buildBody(BuildContext context) => FutureBuilder<void>(
     future: _init,
@@ -205,6 +246,7 @@ class _AbsenceReportViewState extends State<AbsenceReportView> {
           const SizedBox(height: 20),
           TextField(
             controller: _firstName,
+            readOnly: !widget.policy.identityEditable,
             textCapitalization: TextCapitalization.words,
             decoration: _decoration(
               'Vorname',
@@ -215,6 +257,7 @@ class _AbsenceReportViewState extends State<AbsenceReportView> {
           const SizedBox(height: 16),
           TextField(
             controller: _lastName,
+            readOnly: !widget.policy.identityEditable,
             textCapitalization: TextCapitalization.words,
             decoration: _decoration(
               'Nachname',
@@ -234,7 +277,9 @@ class _AbsenceReportViewState extends State<AbsenceReportView> {
             items: _classes
                 .map((c) => DropdownMenuItem(value: c, child: Text(c)))
                 .toList(),
-            onChanged: (value) => setState(() => _selectedClass = value),
+            onChanged: widget.policy.identityEditable
+                ? (value) => setState(() => _selectedClass = value)
+                : null,
           ),
           const SizedBox(height: 16),
           _DateField(