fix(eq): show the active AutoEQ profile name in the preset picker (#1147)

* fix(eq): surface the active AutoEQ profile name in the preset picker

* i18n(settings): add AutoEQ preset group label (10 locales)

* docs(changelog): AutoEQ active-profile picker fix (#1147)

src/components/Equalizer.test.tsx

@@ -0,0 +1,52 @@
+import { afterEach, beforeEach, describe, expect, it } from 'vitest';
+import { cleanup, screen } from '@testing-library/react';
+import { renderWithProviders } from '../test/helpers/renderWithProviders';
+import Equalizer from './Equalizer';
+import { useEqStore } from '../store/eqStore';
+
+const FLAT = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+
+function resetEq(over: Record<string, unknown> = {}): void {
+  useEqStore.setState({
+    gains: [...FLAT],
+    enabled: true,
+    preGain: 0,
+    activePreset: 'Flat',
+    customPresets: [],
+    ...over,
+  });
+}
+
+describe('Equalizer preset picker', () => {
+  beforeEach(() => resetEq());
+  afterEach(() => cleanup());
+
+  it('shows the active AutoEQ profile name in the picker', () => {
+    // AutoEQ sets activePreset to the headphone name — neither a built-in nor a
+    // saved custom preset. It must still be visible in the picker.
+    resetEq({ activePreset: 'Sennheiser HD 600', customPresets: [] });
+    const { container } = renderWithProviders(<Equalizer />);
+
+    expect(screen.getByText('Sennheiser HD 600')).toBeInTheDocument();
+    // AutoEQ profiles are not deletable custom presets → no delete button.
+    expect(container.querySelector('[data-tooltip="Delete preset"]')).toBeNull();
+  });
+
+  it('shows the delete button only for a saved custom preset', () => {
+    resetEq({
+      activePreset: 'My Mix',
+      customPresets: [{ name: 'My Mix', gains: [...FLAT], builtin: false }],
+    });
+    const { container } = renderWithProviders(<Equalizer />);
+
+    expect(screen.getByText('My Mix')).toBeInTheDocument();
+    expect(container.querySelector('[data-tooltip="Delete preset"]')).not.toBeNull();
+  });
+
+  it('shows no delete button for a built-in preset', () => {
+    resetEq({ activePreset: 'Rock' });
+    const { container } = renderWithProviders(<Equalizer />);
+
+    expect(container.querySelector('[data-tooltip="Delete preset"]')).toBeNull();
+  });
+});

src/components/Equalizer.tsx

@@ -55,7 +55,12 @@ export default function Equalizer() {
     return () => details.removeEventListener('toggle', onToggle);
   }, [redraw]);
 
-  const isCustomSaved = activePreset && !BUILTIN_PRESETS.some(p => p.name === activePreset);
+  const isCustomSaved = activePreset !== null && customPresets.some(p => p.name === activePreset);
+  const isBuiltin = activePreset !== null && BUILTIN_PRESETS.some(p => p.name === activePreset);
+  // AutoEQ profiles store the headphone name in activePreset, which is neither a
+  // built-in nor a saved custom preset — surface it in the picker so the active
+  // profile name stays visible after the lookup clears.
+  const isAutoEq = activePreset !== null && !isBuiltin && !isCustomSaved;
   const selectValue = activePreset ?? '__custom__';
 
   const handleSave = () => {
@@ -85,6 +90,7 @@ export default function Equalizer() {
             onChange={v => applyPreset(v)}
             options={[
               ...(activePreset === null ? [{ value: '__custom__', label: t('settings.eqPresetCustom'), disabled: true }] : []),
+              ...(isAutoEq ? [{ value: activePreset!, label: activePreset!, group: t('settings.eqPresetAutoEqGroup') }] : []),
               ...BUILTIN_PRESETS.map(p => ({ value: p.name, label: p.name, group: t('settings.eqPresetBuiltin') })),
               ...customPresets.map(p => ({ value: p.name, label: p.name, group: t('settings.eqPresetCustomGroup') })),
             ]}