feat(triage): skip list selector when only one writable list exists

frontend/src/features/triage/__tests__/TriageDeck.lists.test.tsx

@@ -0,0 +1,163 @@
+import React from 'react';
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { render, screen, fireEvent, waitFor } from '@testing-library/react';
+import { TriageDeck } from '../TriageDeck';
+import { api } from '../../../lib/api';
+import { SharedList, Thought } from '../../../lib/types';
+
+const sampleDeck: Thought[] = [
+  {
+    id: 'th_1',
+    userId: 'u_1',
+    content: 'Hafermilch und Kaffeebohnen',
+    status: 'inbox',
+    priority: 'normal',
+    source: 'manual',
+    isCompleted: false,
+    tags: [],
+    createdAt: '2026-10-29T10:00:00Z',
+  },
+];
+
+const ownList: SharedList = {
+  id: 'lst_own',
+  title: 'Wocheneinkauf',
+  icon: '🛒',
+  listType: 'shopping',
+  isOwner: true,
+  role: 'owner',
+  items: [],
+  createdAt: '2026-10-29T10:00:00Z',
+  updatedAt: '2026-10-29T10:00:00Z',
+};
+
+const secondEditableList: SharedList = {
+  id: 'lst_edit',
+  title: 'Baumarkt',
+  icon: '🔨',
+  listType: 'checklist',
+  isOwner: false,
+  role: 'editor',
+  items: [],
+  createdAt: '2026-10-29T10:00:00Z',
+  updatedAt: '2026-10-29T10:00:00Z',
+};
+
+const viewerList: SharedList = {
+  id: 'lst_view',
+  title: 'WG-Archiv',
+  icon: '📋',
+  listType: 'checklist',
+  isOwner: false,
+  role: 'viewer',
+  items: [],
+  createdAt: '2026-10-29T10:00:00Z',
+  updatedAt: '2026-10-29T10:00:00Z',
+};
+
+describe('TriageDeck single-list shortcut', () => {
+  beforeEach(() => {
+    vi.restoreAllMocks();
+    vi.spyOn(api, 'triageAction').mockResolvedValue(sampleDeck[0]);
+  });
+
+  it('directly assigns to the single own list without opening the selector', async () => {
+    const onDeckChange = vi.fn();
+
+    render(
+      <TriageDeck
+        deck={sampleDeck}
+        lists={[ownList]}
+        onDeckChange={onDeckChange}
+        onOpenDocument={vi.fn()}
+        onFocusCapture={vi.fn()}
+      />
+    );
+
+    const btn = screen.getByRole('button', { name: /Auf Wocheneinkauf/i });
+    expect((btn as HTMLButtonElement).disabled).toBe(false);
+
+    fireEvent.click(btn);
+
+    await waitFor(() => {
+      expect(api.triageAction).toHaveBeenCalledWith('th_1', 'keep', {
+        convertTo: 'list_item',
+        targetListId: 'lst_own',
+        dueDate: undefined,
+      });
+      expect(onDeckChange).toHaveBeenCalledTimes(1);
+    });
+    expect(screen.queryByText(/Quick Dump direkt einer Liste zuordnen/i)).toBeNull();
+  });
+
+  it('opens the list selector when two writable lists exist instead of assigning directly', () => {
+    const onDeckChange = vi.fn();
+
+    render(
+      <TriageDeck
+        deck={sampleDeck}
+        lists={[ownList, secondEditableList]}
+        onDeckChange={onDeckChange}
+        onOpenDocument={vi.fn()}
+        onFocusCapture={vi.fn()}
+      />
+    );
+
+    const btn = screen.getByRole('button', { name: /^Auf Liste$/i });
+    fireEvent.click(btn);
+
+    expect(api.triageAction).not.toHaveBeenCalled();
+    expect(onDeckChange).not.toHaveBeenCalled();
+    expect(screen.getByText(/Quick Dump direkt einer Liste zuordnen/i)).toBeTruthy();
+    expect(screen.getByRole('button', { name: /Wocheneinkauf/i })).toBeTruthy();
+    expect(screen.getByRole('button', { name: /Baumarkt/i })).toBeTruthy();
+  });
+
+  it('treats one own list and one viewer-only shared list as a single writable list', async () => {
+    const onDeckChange = vi.fn();
+
+    render(
+      <TriageDeck
+        deck={sampleDeck}
+        lists={[viewerList, ownList]}
+        onDeckChange={onDeckChange}
+        onOpenDocument={vi.fn()}
+        onFocusCapture={vi.fn()}
+      />
+    );
+
+    const btn = screen.getByRole('button', { name: /Auf Wocheneinkauf/i });
+    fireEvent.click(btn);
+
+    await waitFor(() => {
+      expect(api.triageAction).toHaveBeenCalledWith('th_1', 'keep', {
+        convertTo: 'list_item',
+        targetListId: 'lst_own',
+        dueDate: undefined,
+      });
+      expect(onDeckChange).toHaveBeenCalledTimes(1);
+    });
+  });
+
+  it('disables the list button when no writable list exists', () => {
+    const onDeckChange = vi.fn();
+
+    render(
+      <TriageDeck
+        deck={sampleDeck}
+        lists={[viewerList]}
+        onDeckChange={onDeckChange}
+        onOpenDocument={vi.fn()}
+        onFocusCapture={vi.fn()}
+      />
+    );
+
+    const btn = screen.getByRole('button', { name: /^Auf Liste$/i }) as HTMLButtonElement;
+    expect(btn.disabled).toBe(true);
+    expect(btn.title).toBe('Keine Liste vorhanden');
+
+    fireEvent.click(btn);
+    expect(api.triageAction).not.toHaveBeenCalled();
+    expect(onDeckChange).not.toHaveBeenCalled();
+  });
+});