feat: instant tag suggestions, persistent disk cache, history limit settings, match highlighting and category badges (v2.0.9)

lib/features/search/presentation/widgets/search_suggestions.dart

@@ -3,8 +3,11 @@ import 'package:flutter/material.dart';
 import '../../../../backend/backend.dart';
 
 class SearchSuggestions extends StatelessWidget {
-  const SearchSuggestions(
-      {required this.suggestions, required this.onTap, super.key});
+  const SearchSuggestions({
+    required this.suggestions,
+    required this.onTap,
+    super.key,
+  });
 
   final List<TagSuggestion> suggestions;
   final ValueChanged<String> onTap;
@@ -12,16 +15,43 @@ class SearchSuggestions extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     if (suggestions.isEmpty) return const SizedBox.shrink();
+    final scheme = Theme.of(context).colorScheme;
     return Wrap(
       spacing: 8,
       runSpacing: 8,
       children: [
         for (final suggestion in suggestions)
           ActionChip(
-            label: Text('${suggestion.name} · ${suggestion.categoryLabel}'),
+            avatar: Icon(
+              Icons.tag_rounded,
+              size: 16,
+              color: _categoryColor(suggestion.category, scheme),
+            ),
+            label: Text(
+              suggestion.postCount > 0
+                  ? '${suggestion.name} (${_compactCount(suggestion.postCount)})'
+                  : suggestion.name,
+            ),
             onPressed: () => onTap(suggestion.name),
           ),
       ],
     );
   }
+
+  Color _categoryColor(TagCategory category, ColorScheme scheme) {
+    return switch (category) {
+      TagCategory.artist => const Color(0xFFFF5252),
+      TagCategory.character => const Color(0xFF66BB6A),
+      TagCategory.copyright => const Color(0xFFBA68C8),
+      TagCategory.species => const Color(0xFF4FC3F7),
+      TagCategory.meta => const Color(0xFF90A4AE),
+      TagCategory.general || TagCategory.unknown => scheme.primary,
+    };
+  }
+
+  String _compactCount(int value) {
+    if (value >= 1000000) return '${(value / 1000000).toStringAsFixed(1)}M';
+    if (value >= 1000) return '${(value / 1000).toStringAsFixed(1)}K';
+    return '$value';
+  }
 }