fix(debug): no false theme warnings at start-up; refresh rate logged once known

lib/core/motion/display_refresh_service.dart

@@ -25,7 +25,9 @@ abstract final class DisplayRefreshService {
 
     if (!kDebugMode) return;
 
-    _logRefreshInfo();
+    // 2.x fills `info` asynchronously: read it once it had time to arrive, not
+    // at startup, where it always said 0 Hz.
+    unawaited(Future<void>.delayed(const Duration(seconds: 2), _logRefreshInfo));
     if (displayRefreshOverlayEnabled(
       debugMode: kDebugMode,
       overlayFlag: _overlayFromEnvironment,
@@ -35,8 +37,11 @@ abstract final class DisplayRefreshService {
   }
 
   static void _logRefreshInfo() {
-    // The first reading can still be 0 Hz: 2.x fills `info` asynchronously.
     final info = RefreshRate.info;
+    if (info.currentRate <= 0) {
+      debugPrint('Display refresh: not reported by the platform');
+      return;
+    }
     debugPrint(
       'Display refresh: ${info.currentRate} Hz '
       '(max ${info.maxRate}, variable=${info.isVariableRefreshRate})',

lib/core/theme/parser/querya_editor_theme_from_manifest.dart

@@ -4,8 +4,11 @@ import 'package:flutter/foundation.dart';
 
 import '../querya_editor_theme.dart';
 import 'color_parser.dart';
+import 'querya_workbench_theme_from_manifest.dart' show knownWorkbenchColorKeys;
 
-const _knownEditorColorKeys = {
+/// Keys of `editor_colors` that set the editor theme (the workbench keys of
+/// the same map are read by `workbenchThemeFromQueryaColors`).
+const knownEditorColorKeys = {
   'background',
   'foreground',
   'lineHighlight',
@@ -32,8 +35,9 @@ QueryaEditorTheme editorThemeFromQueryaColors({
 }) {
   if (kDebugMode) {
     for (final key in colors.keys) {
-      if (!_knownEditorColorKeys.contains(key)) {
-        debugPrint('Querya theme: ignored editor_colors key "$key"');
+      if (!knownEditorColorKeys.contains(key) &&
+          !knownWorkbenchColorKeys.contains(key)) {
+        debugPrint('Querya theme: unknown editor_colors key "$key"');
       }
     }
   }

lib/core/theme/parser/querya_workbench_theme_from_manifest.dart

@@ -9,7 +9,9 @@ import 'color_parser.dart';
 ///
 /// Editor syntax/surface keys are mapped separately by [editorThemeFromQueryaColors].
 /// The generic `background` key is intentionally not mapped to canvas/editorBackground.
-const _knownWorkbenchColorKeys = {
+/// Keys of `editor_colors` that set the workbench (the editor keys of the same
+/// map are read by `editorThemeFromQueryaColors`).
+const knownWorkbenchColorKeys = {
   'canvas',
   'surface',
   'sidebarBackground',
@@ -32,13 +34,8 @@ QueryaWorkbenchTheme workbenchThemeFromQueryaColors({
   required Map<String, String> colors,
   required QueryaWorkbenchTheme fallback,
 }) {
-  if (kDebugMode) {
-    for (final key in colors.keys) {
-      if (!_knownWorkbenchColorKeys.contains(key)) {
-        debugPrint('Querya theme: ignored editor_colors workbench key "$key"');
-      }
-    }
-  }
+  // Unknown keys are reported once, by editorThemeFromQueryaColors: the
+  // same map holds the editor and the workbench keys.
 
   Color pick(String key, Color defaultValue) {
     final raw = colors[key];

test/core/theme/parser/querya_editor_theme_from_manifest_test.dart

@@ -1,9 +1,11 @@
 import 'dart:io';
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:querya_desktop/core/theme/parser/color_parser.dart';
 import 'package:querya_desktop/core/theme/parser/querya_editor_theme_from_manifest.dart';
 import 'package:querya_desktop/core/theme/parser/querya_theme_manifest.dart';
+import 'package:querya_desktop/core/theme/parser/querya_workbench_theme_from_manifest.dart';
 import 'package:querya_desktop/core/theme/querya_theme.dart';
 
 void main() {
@@ -58,4 +60,32 @@ void main() {
       expect(editor.keyword, fallback.keyword);
     });
   });
+
+  test('only keys that neither parser reads are reported', () {
+    final printed = <String>[];
+    final original = debugPrint;
+    debugPrint = (message, {wrapWidth}) => printed.add(message ?? '');
+    addTearDown(() => debugPrint = original);
+
+    editorThemeFromQueryaColors(
+      colors: const {
+        'background': '#000000',
+        'canvas': '#111111',
+        'sidebarBackground': '#222222',
+        'accent': '#333333',
+        'nonsense': '#444444',
+      },
+      fallback: QueryaTheme.darkDefault.editor,
+    );
+    workbenchThemeFromQueryaColors(
+      colors: const {
+        'background': '#000000',
+        'canvas': '#111111',
+        'nonsense': '#444444',
+      },
+      fallback: QueryaTheme.darkDefault.workbench,
+    );
+
+    expect(printed, ['Querya theme: unknown editor_colors key "nonsense"']);
+  });
 }