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/lib/features/admin/presentation/admin_ai_panel.dart

@@ -300,10 +300,13 @@ class _AdminAiPanelState extends ConsumerState<AdminAiPanel> {
                   title: Text(item.fileName ?? item.id),
                   subtitle: Text(
                       '${_formatDateTime(item.createdAt)}  •  ${item.userLabel}'),
-                  trailing: Chip(
-                    label: Text(item.status.label),
-                    labelStyle: TextStyle(
-                        color: _statusColor(item.status, theme.colorScheme)),
+                  trailing: Tooltip(
+                    message: _statusTooltipText(item),
+                    child: Chip(
+                      label: Text(item.status.label),
+                      labelStyle: TextStyle(
+                          color: _statusColor(item.status, theme.colorScheme)),
+                    ),
                   ),
                 );
               },
@@ -349,6 +352,14 @@ class _AdminAiPanelState extends ConsumerState<AdminAiPanel> {
     return ListView(
       children: [
         _TraceMetaCard(detail: detail, formatDateTime: _formatDateTime),
+        if (detail.warnings.isNotEmpty) ...[
+          const SizedBox(height: 12),
+          _WarningsCard(
+            warnings: detail.warnings,
+            onCopyWarning: (warning) => _copyText(warning, 'Varning'),
+            onCopyAll: () => _copyText(detail.warnings.join('\n'), 'Varningar'),
+          ),
+        ],
         const SizedBox(height: 12),
         _PromptCard(
           prompt: prompt,
@@ -375,6 +386,20 @@ class _AdminAiPanelState extends ConsumerState<AdminAiPanel> {
     _cachedOutputPrettyJson = next;
     return next;
   }
+
+  String _statusTooltipText(AdminAiTraceListItem item) {
+    final parts = <String>[];
+    if (item.status == AdminAiTraceStatus.warning && item.warningsCount > 0) {
+      parts.add('${item.warningsCount} varning(ar). Välj raden för detaljer och kopiering.');
+    }
+    if (item.error != null && item.error!.trim().isNotEmpty) {
+      parts.add(item.error!.trim());
+    }
+    if (parts.isEmpty) {
+      return 'Inga ytterligare detaljer.';
+    }
+    return parts.join('\n');
+  }
 }
 
 class _TraceMetaCard extends StatelessWidget {
@@ -466,15 +491,13 @@ class _PromptCard extends StatelessWidget {
                     .withValues(alpha: 0.35),
                 borderRadius: BorderRadius.circular(8),
               ),
-              child: Text(
-                hasPrompt
-                    ? value
-                    : 'Prompt är inte tillgänglig i denna fas för vald källa.',
-                maxLines: expanded ? null : 10,
-                overflow:
-                    expanded ? TextOverflow.visible : TextOverflow.ellipsis,
-                style: theme.textTheme.bodySmall
-                    ?.copyWith(fontFamily: 'monospace'),
+              child: SelectionArea(
+                child: SelectableText(
+                  hasPrompt ? value : 'Prompt saknas för detta spår.',
+                  maxLines: expanded ? null : 10,
+                  style: theme.textTheme.bodySmall
+                      ?.copyWith(fontFamily: 'monospace'),
+                ),
               ),
             ),
           ],
@@ -484,15 +507,27 @@ class _PromptCard extends StatelessWidget {
   }
 }
 
-class _OutputJsonCard extends StatelessWidget {
+class _OutputJsonCard extends StatefulWidget {
   final String jsonText;
   final VoidCallback onCopy;
 
   const _OutputJsonCard({required this.jsonText, required this.onCopy});
 
+  @override
+  State<_OutputJsonCard> createState() => _OutputJsonCardState();
+}
+
+class _OutputJsonCardState extends State<_OutputJsonCard> {
+  static const int _maxPreviewChars = 12000;
+  bool _expanded = false;
+
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
+    final shouldTruncate = widget.jsonText.length > _maxPreviewChars;
+    final visibleText =
+        !_expanded && shouldTruncate ? '${widget.jsonText.substring(0, _maxPreviewChars)}\n…' : widget.jsonText;
+
     return Card(
       child: Padding(
         padding: const EdgeInsets.all(16),
@@ -506,11 +541,20 @@ class _OutputJsonCard extends StatelessWidget {
                         style: theme.textTheme.titleMedium)),
                 IconButton(
                   tooltip: 'Kopiera JSON',
-                  onPressed: onCopy,
+                  onPressed: widget.onCopy,
                   icon: const Icon(Icons.copy_all),
                 ),
               ],
             ),
+            if (shouldTruncate)
+              Align(
+                alignment: Alignment.centerRight,
+                child: TextButton.icon(
+                  onPressed: () => setState(() => _expanded = !_expanded),
+                  icon: Icon(_expanded ? Icons.unfold_less : Icons.unfold_more),
+                  label: Text(_expanded ? 'Visa mindre' : 'Visa hela outputen'),
+                ),
+              ),
             const SizedBox(height: 8),
             Container(
               width: double.infinity,
@@ -520,12 +564,70 @@ class _OutputJsonCard extends StatelessWidget {
                     .withValues(alpha: 0.35),
                 borderRadius: BorderRadius.circular(8),
               ),
-              child: SingleChildScrollView(
-                scrollDirection: Axis.horizontal,
-                child: Text(
-                  jsonText,
-                  style: theme.textTheme.bodySmall
-                      ?.copyWith(fontFamily: 'monospace'),
+              child: SelectionArea(
+                child: SingleChildScrollView(
+                  scrollDirection: Axis.horizontal,
+                  child: SelectableText(
+                    visibleText,
+                    style: theme.textTheme.bodySmall
+                        ?.copyWith(fontFamily: 'monospace'),
+                  ),
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _WarningsCard extends StatelessWidget {
+  final List<String> warnings;
+  final void Function(String warning) onCopyWarning;
+  final VoidCallback onCopyAll;
+
+  const _WarningsCard({
+    required this.warnings,
+    required this.onCopyWarning,
+    required this.onCopyAll,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Expanded(
+                  child: Text(
+                    'Varningar (${warnings.length})',
+                    style: theme.textTheme.titleMedium,
+                  ),
+                ),
+                IconButton(
+                  tooltip: 'Kopiera alla varningar',
+                  onPressed: onCopyAll,
+                  icon: const Icon(Icons.copy_all),
+                ),
+              ],
+            ),
+            const SizedBox(height: 8),
+            ...warnings.map(
+              (warning) => ListTile(
+                dense: true,
+                contentPadding: EdgeInsets.zero,
+                leading: const Icon(Icons.warning_amber_rounded, size: 18),
+                title: SelectableText(warning),
+                trailing: IconButton(
+                  tooltip: 'Kopiera varning',
+                  onPressed: () => onCopyWarning(warning),
+                  icon: const Icon(Icons.copy, size: 18),
                 ),
               ),
             ),