Refactor: resolve UI architecture tech debt and accessibility bugs

lib/app/app.dart

@@ -48,7 +48,12 @@ class QueryaApp extends StatelessWidget {
                       scale: scale,
                       child: MediaQuery(
                         data: (mq ?? const MediaQueryData()).copyWith(
-                          textScaler: TextScaler.linear(scale),
+                          textScaler: TextScaler.linear(
+                            (mq ?? const MediaQueryData())
+                                    .textScaler
+                                    .scale(1.0) *
+                                scale,
+                          ),
                         ),
                         child: QueryaThemeScope(
                           data: queryaTheme,

lib/core/database/mongodb_connection.dart

@@ -94,8 +94,7 @@ class MongoConnection {
     //    fall back to "admin" (Mongo's default authSource).
     final existingAuthSource = uri.queryParameters['authSource'];
     final hasCredentials =
-        uri.userInfo.isNotEmpty ||
-        (username != null && username!.isNotEmpty);
+        uri.userInfo.isNotEmpty || (username != null && username!.isNotEmpty);
 
     Map<String, String>? newQueryParams;
     if (existingAuthSource == null && hasCredentials) {

lib/core/database/mongodb_service.dart

@@ -126,14 +126,16 @@ class MongoService {
 
     return _withDb(connection, database, (db) async {
       final coll = db.collection(collection);
-      
+
       final selector = where;
       if (filter != null && filter.isNotEmpty) {
         selector.raw(filter);
       }
       if (sort != null && sort.isNotEmpty) {
         for (final entry in sort.entries) {
-          final isDesc = entry.value == -1 || entry.value == 'desc' || entry.value == 'DESC';
+          final isDesc = entry.value == -1 ||
+              entry.value == 'desc' ||
+              entry.value == 'DESC';
           selector.sortBy(entry.key, descending: isDesc);
         }
       }

lib/core/database/postgres_connection.dart

@@ -700,8 +700,7 @@ ORDER BY grantee, privilege_type
         .toList();
   }
 
-  static String _quoteIdent(String id) =>
-      '"${id.replaceAll('"', '""')}"';
+  static String _quoteIdent(String id) => '"${id.replaceAll('"', '""')}"';
 
   static bool _parsePgBool(Object? v) {
     if (v is bool) return v;

lib/core/database/postgres_connection_pool.dart

@@ -79,7 +79,8 @@ class PostgresConnectionPool {
       entry.refs++;
       if (!entry.connection.isConnected) {
         await entry.connection.connect();
-        await entry.connection.setSessionReadOnly(mode == PgSessionMode.readOnly);
+        await entry.connection
+            .setSessionReadOnly(mode == PgSessionMode.readOnly);
       }
       return PgLease._(this, k, entry.connection);
     }

lib/core/database/postgres_sql.dart

@@ -73,4 +73,3 @@ String injectSqlLimit(String sql, int limit) {
 
   return '$body\nLIMIT $limit$suffix';
 }
-

lib/core/database/redis_connection.dart

@@ -125,10 +125,8 @@ class RedisConnection {
     final result = await sendCommand(args);
     if (result is List && result.length == 2) {
       final nextCursor = int.tryParse(result[0].toString()) ?? 0;
-      final keys = (result[1] as List?)
-              ?.map((e) => e.toString())
-              .toList() ??
-          [];
+      final keys =
+          (result[1] as List?)?.map((e) => e.toString()).toList() ?? [];
       return (nextCursor, keys);
     }
     return (0, <String>[]);

lib/core/editor/querya_code_editor.dart

@@ -309,8 +309,8 @@ class _QueryaCodeEditorState extends State<QueryaCodeEditor> {
         decoration: material.InputDecoration(
           border: material.InputBorder.none,
           hintText: widget.hintText,
-          contentPadding: widget.contentPadding ??
-              const material.EdgeInsets.all(12),
+          contentPadding:
+              widget.contentPadding ?? const material.EdgeInsets.all(12),
         ),
         onChanged: widget.onChanged,
       );

lib/core/editor/querya_highlight_controller.dart

@@ -43,9 +43,8 @@ class QueryaHighlightController extends TextEditingController {
     required bool withComposing,
   }) {
     final brightness = Theme.of(context).brightness;
-    final themeConfig = brightness == Brightness.light
-        ? lightThemeConfig
-        : darkThemeConfig;
+    final themeConfig =
+        brightness == Brightness.light ? lightThemeConfig : darkThemeConfig;
 
     if (_cachedText == text &&
         _cachedBrightness == brightness &&

lib/core/editor/syntax_highlight_isolate.dart

@@ -113,9 +113,8 @@ TextStyle? _styleFromSegment(HighlightSegment s, TextStyle? base) {
   return (base ?? const TextStyle()).copyWith(
     color: s.colorArgb != null ? Color(s.colorArgb!) : null,
     fontWeight: _fontWeightFromValue(s.fontWeightValue),
-    fontStyle: s.fontStyleIndex != null
-        ? FontStyle.values[s.fontStyleIndex!]
-        : null,
+    fontStyle:
+        s.fontStyleIndex != null ? FontStyle.values[s.fontStyleIndex!] : null,
   );
 }
 

lib/core/layout/window_layout.dart

@@ -30,7 +30,8 @@ abstract class WindowLayout {
     return BoxConstraints(
       maxWidth: maxWidth != null ? context.scaled(maxWidth) : double.infinity,
       minWidth: minWidth != null ? context.scaled(minWidth) : 0,
-      maxHeight: maxHeight != null ? context.scaled(maxHeight) : double.infinity,
+      maxHeight:
+          maxHeight != null ? context.scaled(maxHeight) : double.infinity,
       minHeight: minHeight != null ? context.scaled(minHeight) : 0,
     );
   }
@@ -45,7 +46,8 @@ abstract class WindowLayout {
     double viewportFactor = 1.0,
   }) {
     final available = math.max(0.0, screenExtent - insetTotal);
-    final base = math.min(baseMax, math.max(baseMin, available * viewportFactor));
+    final base =
+        math.min(baseMax, math.max(baseMin, available * viewportFactor));
     return math.min(context.scaled(base), available);
   }
 

lib/core/market/marketplace_client.dart

@@ -23,13 +23,11 @@ class MockMarketplaceClient implements MarketplaceClient {
     String? type,
   }) async {
     final normalized = query.trim().toLowerCase();
-    return _items
-        .where((item) {
-          if (type != null && item.type != type) return false;
-          if (normalized.isEmpty) return true;
-          return item.name.toLowerCase().contains(normalized) ||
-              item.id.toLowerCase().contains(normalized);
-        })
-        .toList(growable: false);
+    return _items.where((item) {
+      if (type != null && item.type != type) return false;
+      if (normalized.isEmpty) return true;
+      return item.name.toLowerCase().contains(normalized) ||
+          item.id.toLowerCase().contains(normalized);
+    }).toList(growable: false);
   }
 }

lib/core/motion/querya_animated_expand.dart

@@ -23,9 +23,8 @@ class QueryaAnimatedExpand extends StatelessWidget {
       curve: context.motionCurve(QueryaMotion.enter),
       alignment: alignment,
       clipBehavior: Clip.hardEdge,
-      child: expanded
-          ? child
-          : const SizedBox(width: double.infinity, height: 0),
+      child:
+          expanded ? child : const SizedBox(width: double.infinity, height: 0),
     );
   }
 }

lib/core/storage/app_settings.dart

@@ -333,7 +333,8 @@ class AppSettings {
   }
 
   Future<String?> getSelectedThemeId() async {
-    final v = await LocalDb.instance.getAppSetting(AppSettingsKeys.themeSelectedId);
+    final v =
+        await LocalDb.instance.getAppSetting(AppSettingsKeys.themeSelectedId);
     if (v == null || v.isEmpty) return null;
     return v;
   }
@@ -348,8 +349,8 @@ class AppSettings {
   }
 
   Future<String?> getSelectedThemeSource() async {
-    final v =
-        await LocalDb.instance.getAppSetting(AppSettingsKeys.themeSelectedSource);
+    final v = await LocalDb.instance
+        .getAppSetting(AppSettingsKeys.themeSelectedSource);
     if (v == null || v.isEmpty) return null;
     return v;
   }
@@ -377,7 +378,8 @@ class AppSettings {
 
   Future<void> setSelectedThemePath(String? path) async {
     if (path == null || path.isEmpty) {
-      await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themeSelectedPath);
+      await LocalDb.instance
+          .deleteAppSetting(AppSettingsKeys.themeSelectedPath);
     } else {
       await LocalDb.instance.setAppSetting(
         AppSettingsKeys.themeSelectedPath,
@@ -389,7 +391,8 @@ class AppSettings {
 
   Future<void> clearSelectedThemeRegistry() async {
     await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themeSelectedId);
-    await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themeSelectedSource);
+    await LocalDb.instance
+        .deleteAppSetting(AppSettingsKeys.themeSelectedSource);
     await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themeSelectedPath);
     AppSettingsRevision.bump();
   }
@@ -452,8 +455,8 @@ class AppSettings {
   }
 
   Future<Map<String, String>> getThemeColorOverrides() async {
-    final v =
-        await LocalDb.instance.getAppSetting(AppSettingsKeys.themeOverridesJson);
+    final v = await LocalDb.instance
+        .getAppSetting(AppSettingsKeys.themeOverridesJson);
     if (v == null || v.isEmpty) return {};
     try {
       final decoded = jsonDecode(v);
@@ -519,9 +522,11 @@ class AppSettings {
     await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themeMode);
     await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themePreset);
     await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themeOverridesJson);
-    await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themeAnimationEnabled);
+    await LocalDb.instance
+        .deleteAppSetting(AppSettingsKeys.themeAnimationEnabled);
     await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themeSelectedId);
-    await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themeSelectedSource);
+    await LocalDb.instance
+        .deleteAppSetting(AppSettingsKeys.themeSelectedSource);
     await LocalDb.instance.deleteAppSetting(AppSettingsKeys.themeSelectedPath);
     await deleteThemeImportKeys();
     AppSettingsRevision.bump();

lib/core/storage/connection_secrets_store.dart

@@ -38,7 +38,8 @@ class ConnectionSecretsStore {
 
   static const _keyPrefix = 'querya.v1.conn';
 
-  static String _passwordKey(int connectionId) => '$_keyPrefix.$connectionId.password';
+  static String _passwordKey(int connectionId) =>
+      '$_keyPrefix.$connectionId.password';
   static String _connectionStringKey(int connectionId) =>
       '$_keyPrefix.$connectionId.connection_string';
 
@@ -51,11 +52,13 @@ class ConnectionSecretsStore {
     await backend.write(_connectionStringKey(connectionId), connectionString);
   }
 
-  static Future<({String? password, String? connectionString})> readForConnection(
+  static Future<({String? password, String? connectionString})>
+      readForConnection(
     int connectionId,
   ) async {
     final password = await backend.read(_passwordKey(connectionId));
-    final connectionString = await backend.read(_connectionStringKey(connectionId));
+    final connectionString =
+        await backend.read(_connectionStringKey(connectionId));
     return (password: password, connectionString: connectionString);
   }
 

lib/core/storage/folders_storage.dart

@@ -44,7 +44,10 @@ class FoldersStorage {
       final decoded = jsonDecode(content) as Map<String, Object?>;
       final list = decoded[_keyFolders];
       final names = list != null && list is List<Object?>
-          ? list.map((e) => e?.toString() ?? '').where((s) => s.isNotEmpty).toList()
+          ? list
+              .map((e) => e?.toString() ?? '')
+              .where((s) => s.isNotEmpty)
+              .toList()
           : <String>[];
       final existing = await LocalDb.instance.getFolders();
       for (final name in names) {

lib/core/storage/local_db.dart

@@ -115,8 +115,10 @@ class LocalDb {
       await db.execute('ALTER TABLE connections ADD COLUMN password TEXT');
       await db.execute('ALTER TABLE connections ADD COLUMN database_name TEXT');
       await db.execute('ALTER TABLE connections ADD COLUMN auth_source TEXT');
-      await db.execute('ALTER TABLE connections ADD COLUMN use_ssl INTEGER NOT NULL DEFAULT 0');
-      await db.execute('ALTER TABLE connections ADD COLUMN connection_string TEXT');
+      await db.execute(
+          'ALTER TABLE connections ADD COLUMN use_ssl INTEGER NOT NULL DEFAULT 0');
+      await db
+          .execute('ALTER TABLE connections ADD COLUMN connection_string TEXT');
     }
     if (oldVersion < 3) {
       await db.execute('PRAGMA foreign_keys=ON');
@@ -319,15 +321,18 @@ class LocalDb {
 
   Future<int?> getFolderIdByName(String name) async {
     final db = await _open();
-    final rows = await db.query('folders', columns: ['id'], where: 'name = ?', whereArgs: [name]);
+    final rows = await db.query('folders',
+        columns: ['id'], where: 'name = ?', whereArgs: [name]);
     if (rows.isEmpty) return null;
     return _sqliteInt(rows.first['id']);
   }
 
   Future<List<ConnectionRow>> getConnections() async {
     final db = await _open();
-    final rows = await db.query('connections', orderBy: 'sort_order ASC, name ASC');
-    final futures = rows.map((m) => _hydrateConnection(ConnectionRow.fromMap(m)));
+    final rows =
+        await db.query('connections', orderBy: 'sort_order ASC, name ASC');
+    final futures =
+        rows.map((m) => _hydrateConnection(ConnectionRow.fromMap(m)));
     return Future.wait(futures);
   }
 

lib/core/theme/parser/color_parser.dart

@@ -70,8 +70,11 @@ Color parseQueryaThemeColor(String raw) {
 
 /// Encodes a [Color] as a VS Code hex string (`#RRGGBB` or `#RRGGBBAA`).
 String formatVsCodeColor(Color color) {
-  String channel(double component) =>
-      (component * 255.0).round().clamp(0, 255).toRadixString(16).padLeft(2, '0');
+  String channel(double component) => (component * 255.0)
+      .round()
+      .clamp(0, 255)
+      .toRadixString(16)
+      .padLeft(2, '0');
   final rr = channel(color.r);
   final gg = channel(color.g);
   final bb = channel(color.b);

lib/core/theme/parser/querya_theme_color_scheme.dart

@@ -65,7 +65,8 @@ ColorScheme colorSchemeFromQueryaThemeColors({
   final destructive = pick('destructive', base.destructive);
   // querya.theme.v1 still maps this key; shadcn marks the ColorScheme field legacy.
   // ignore: deprecated_member_use
-  final destructiveForeground = pick('destructiveForeground', base.destructiveForeground);
+  final destructiveForeground =
+      pick('destructiveForeground', base.destructiveForeground);
 
   return ColorScheme(
     brightness: base.brightness,

lib/core/theme/parser/querya_theme_from_manifest.dart

@@ -11,8 +11,7 @@ import 'querya_workbench_theme_from_manifest.dart';
 QueryaTheme queryaThemeFromManifest(QueryaThemeManifest manifest) {
   final fallback =
       manifest.isLight ? QueryaTheme.lightDefault : QueryaTheme.darkDefault;
-  final brightness =
-      manifest.isLight ? Brightness.light : Brightness.dark;
+  final brightness = manifest.isLight ? Brightness.light : Brightness.dark;
 
   var editor = editorThemeFromQueryaColors(
     colors: manifest.editorColors,

lib/core/theme/parser/querya_theme_from_vscode.dart

@@ -92,8 +92,7 @@ QueryaTheme buildQueryaThemeFromVsCodeManifest(
     brightness: brightness,
   );
 
-  final editorForegroundChanged =
-      editor.foreground != base.editor.foreground;
+  final editorForegroundChanged = editor.foreground != base.editor.foreground;
   if (schemeForeground != null || editorForegroundChanged) {
     final fg = schemeForeground ?? editor.foreground;
     colorScheme = colorScheme.copyWith(

lib/core/theme/parser/querya_theme_manifest.dart

@@ -182,16 +182,19 @@ class QueryaThemeManifest {
       case 'light':
         return QueryaThemeType.light;
       default:
-        throw QueryaThemeManifestParseException('Invalid type "$raw"; expected dark or light');
+        throw QueryaThemeManifestParseException(
+            'Invalid type "$raw"; expected dark or light');
     }
   }
 
   static Map<String, String> _parseColorMap(Object? raw, String fieldName) {
     if (raw == null) {
-      throw QueryaThemeManifestParseException('Missing required field "$fieldName"');
+      throw QueryaThemeManifestParseException(
+          'Missing required field "$fieldName"');
     }
     if (raw is! Map) {
-      throw QueryaThemeManifestParseException('"$fieldName" must be a JSON object');
+      throw QueryaThemeManifestParseException(
+          '"$fieldName" must be a JSON object');
     }
 
     final colors = <String, String>{};

lib/core/theme/parser/token_style_resolver.dart

@@ -35,8 +35,7 @@ class TokenStyleResolver {
   List<String> _scopePrefixes(String scope) {
     final parts = scope.split('.');
     return [
-      for (var i = parts.length; i >= 1; i--)
-        parts.sublist(0, i).join('.'),
+      for (var i = parts.length; i >= 1; i--) parts.sublist(0, i).join('.'),
     ];
   }
 

lib/core/theme/parser/vscode_theme_manifest.dart

@@ -29,7 +29,8 @@ class VsCodeThemeManifest {
     try {
       decoded = jsonDecode(cleaned);
     } on FormatException catch (e) {
-      throw VsCodeThemeParseException('Invalid JSON after JSONC strip: ${e.message}');
+      throw VsCodeThemeParseException(
+          'Invalid JSON after JSONC strip: ${e.message}');
     }
     if (decoded is! Map<String, dynamic>) {
       throw VsCodeThemeParseException('Theme root must be a JSON object');