fix(recipes): allow Enter to add import tags

tests/frontend/managers/RecipeDataManager.tagInput.test.js

@@ -0,0 +1,56 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
+vi.mock('../../../static/js/utils/uiHelpers.js', () => ({
+  showToast: vi.fn(),
+}));
+
+vi.mock('../../../static/js/utils/i18nHelpers.js', () => ({
+  translate: (_key, _params, fallback) => fallback ?? '',
+}));
+
+describe('RecipeDataManager tag input Enter behavior', () => {
+  beforeEach(() => {
+    vi.resetModules();
+    document.body.innerHTML = `
+      <input id="tagInput" type="text" />
+      <div id="tagsContainer"></div>
+    `;
+  });
+
+  it('adds a tag when pressing Enter in tag input', async () => {
+    const { RecipeDataManager } = await import('../../../static/js/managers/import/RecipeDataManager.js');
+    const importManager = {
+      recipeTags: [],
+      stepManager: { showStep: vi.fn() },
+    };
+    const manager = new RecipeDataManager(importManager);
+
+    manager.setupTagInputEnterHandler();
+
+    const tagInput = document.getElementById('tagInput');
+    tagInput.value = 'portrait';
+    tagInput.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter', bubbles: true }));
+
+    expect(importManager.recipeTags).toEqual(['portrait']);
+    expect(tagInput.value).toBe('');
+    expect(document.getElementById('tagsContainer').textContent).toContain('portrait');
+  });
+
+  it('does not register duplicate Enter handlers when setup runs multiple times', async () => {
+    const { RecipeDataManager } = await import('../../../static/js/managers/import/RecipeDataManager.js');
+    const importManager = {
+      recipeTags: [],
+      stepManager: { showStep: vi.fn() },
+    };
+    const manager = new RecipeDataManager(importManager);
+
+    manager.setupTagInputEnterHandler();
+    manager.setupTagInputEnterHandler();
+
+    const tagInput = document.getElementById('tagInput');
+    tagInput.value = 'anime';
+    tagInput.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter', bubbles: true }));
+
+    expect(importManager.recipeTags).toEqual(['anime']);
+  });
+});