refactor(ai): enhance AI trace integration and OCR normalization

- Add FlyerTraceSupplement type for AI trace metadata
- Implement getFlyerTraceSupplements method to fetch trace supplements
- Update AiTraceService to include prompt/rawOutput and counters in flyer traces
- Add persistFlyerTrace method to FlyerImportService for trace persistence
- Enhance AiFlyerParserService to return structured trace data with prompts and retries
- Update FlyerNormalizerService with OCR typo fixes for cheese variants and spröd bakad firre
- Improve Flutter admin panel with selectable text, warnings display, and tooltips
- Add comprehensive tests for AI trace supplements and normalization rules

flutter/test/features/admin/presentation/admin_ai_panel_test.dart

@@ -54,6 +54,8 @@ Widget _buildPanelApp(AdminRepository repo) {
 }
 
 void main() {
+  final veryLargeOutput = '{"payload":"${List.filled(13050, 'x').join()}"}';
+
   final flyerItem = AdminAiTraceListItem(
     id: 'flyer-101',
     source: AdminAiTraceSource.flyer,
@@ -68,7 +70,7 @@ void main() {
     warningsCount: 2,
     hasPrompt: true,
     hasOutput: true,
-    error: null,
+    error: 'Det finns 2 varningar i detaljvyn.',
   );
 
   final flyerDetail = AdminAiTraceDetail(
@@ -84,16 +86,11 @@ void main() {
     durationMs: 1880,
     retryCount: 1,
     chunkCount: 3,
-    warnings: const ['parse:low_confidence'],
+    warnings: const ['parse:low_confidence', 'match:no_match'],
     error: null,
     prompt: 'Prompttext exempel',
-    rawOutput: '{"ok":true}',
-    normalizedOutput: const {
-      'sessionId': 101,
-      'items': [
-        {'rawName': 'Tomat'}
-      ],
-    },
+    rawOutput: veryLargeOutput,
+    normalizedOutput: null,
     summary: const {'itemCount': 1},
   );
 
@@ -180,7 +177,7 @@ void main() {
       expect(find.text('willys-v20.pdf'), findsOneWidget);
     });
 
-    testWidgets('Prompt and output render and copy actions show snackbars',
+    testWidgets('Prompt/output are selectable and warning details are visible',
         (tester) async {
       await tester.binding.setSurfaceSize(const Size(1400, 1200));
       final fakeRepo = _FakeAdminRepository(
@@ -200,6 +197,9 @@ void main() {
       await tester.pump(const Duration(milliseconds: 500));
 
       expect(find.text('Sammanfattning'), findsOneWidget);
+      expect(find.text('Varningar (2)'), findsOneWidget);
+      expect(find.text('parse:low_confidence'), findsOneWidget);
+      expect(find.text('match:no_match'), findsOneWidget);
       final detailScroll = find.byType(Scrollable).last;
       await tester.scrollUntilVisible(
         find.text('Model Output'),
@@ -209,12 +209,19 @@ void main() {
       await tester.pumpAndSettle();
 
       expect(find.text('Model Output'), findsOneWidget);
-      expect(find.textContaining('"sessionId": 101'), findsOneWidget);
+      expect(find.byType(SelectableText), findsWidgets);
+      expect(find.text('Visa hela outputen'), findsOneWidget);
+
+      await tester.tap(find.text('Visa hela outputen'));
+      await tester.pumpAndSettle();
+      expect(find.text('Visa mindre'), findsOneWidget);
 
       final copyPrompt = find.byTooltip('Kopiera');
       final copyOutput = find.byTooltip('Kopiera JSON');
+      final copyWarnings = find.byTooltip('Kopiera alla varningar');
       expect(copyPrompt, findsOneWidget);
       expect(copyOutput, findsOneWidget);
+      expect(copyWarnings, findsOneWidget);
 
       await tester.tap(copyPrompt);
       await tester.pumpAndSettle();
@@ -224,6 +231,10 @@ void main() {
       await tester.pumpAndSettle();
       expect(tester.takeException(), isNull);
 
+      await tester.tap(copyWarnings);
+      await tester.pumpAndSettle();
+      expect(tester.takeException(), isNull);
+
       addTearDown(() => tester.binding.setSurfaceSize(null));
     });
   });