feat(workspace): polish outliner slash commands, typography and actions overlay

frontend/src/features/workspace/__tests__/OutlinerBlock.caret.test.tsx

@@ -129,9 +129,9 @@ describe('slash command menu and outliner fixes', () => {
     fireEvent.change(ta, { target: { value: 'https://a.de/b/' } });
     expect(queryByText('Befehl auswählen')).toBeNull();
 
-    fireEvent.change(ta, { target: { value: 'Text /co' } });
+    fireEvent.change(ta, { target: { value: 'Text /ca' } });
     expect(queryByText('Befehl auswählen')).toBeTruthy();
-    expect(queryByText('/code')).toBeTruthy();
+    expect(queryByText('/callout')).toBeTruthy();
 
     // Removing the slash closes the menu
     fireEvent.change(ta, { target: { value: 'Text ' } });
@@ -375,3 +375,106 @@ describe('formatting shortcuts (Teil C)', () => {
     expect(readerTa.value).toBe('text');
   });
 });
+
+describe('outliner polish (Teil A)', () => {
+  it('opens slash menu at cursor position in the middle of text and inserts link at cursor', () => {
+    const updates: DocumentBlock[] = [];
+    const block = { id: 'b1', type: 'bullet', content: 'Vorher Nachher', level: 0 } as DocumentBlock;
+    const { container, queryByText, getByText, getByPlaceholderText, getByRole } = renderBlock(block, {
+      onUpdateBlock: (u: DocumentBlock) => updates.push(u),
+    });
+    const ta = container.querySelector('textarea') as HTMLTextAreaElement;
+    ta.focus();
+
+    // Type "/link" in the middle of the text (selectionStart at 12, right after "/link")
+    fireEvent.change(ta, { target: { value: 'Vorher /link Nachher', selectionStart: 12, selectionEnd: 12 } });
+
+    // Menu should be open with /link, but without /divider or /h1
+    expect(queryByText('Befehl auswählen')).toBeTruthy();
+    expect(queryByText('/link')).toBeTruthy();
+    expect(queryByText('/divider')).toBeNull();
+    expect(queryByText('/h1')).toBeNull();
+
+    // Select /link by pressing Enter
+    fireEvent.keyDown(ta, { key: 'Enter' });
+
+    // Link modal opens
+    expect(queryByText('Web-Link')).toBeTruthy();
+    fireEvent.click(getByText('Web-Link'));
+    fireEvent.change(getByPlaceholderText('z. B. MindSift Dokumentation'), { target: { value: 'Doku' } });
+    fireEvent.change(getByPlaceholderText('https://example.com'), { target: { value: 'https://example.com/test' } });
+    fireEvent.click(getByRole('button', { name: 'Link einfügen' }));
+
+    // Result has link inserted in the middle
+    expect(updates[updates.length - 1]?.content).toBe('Vorher [Doku](https://example.com/test) Nachher');
+  });
+
+  it('does not offer /divider at end of text, but offers it in empty block', () => {
+    const block = { id: 'b1', type: 'bullet', content: 'Ein Text', level: 0 } as DocumentBlock;
+    const { container, queryByText } = renderBlock(block);
+    const ta = container.querySelector('textarea') as HTMLTextAreaElement;
+    ta.focus();
+
+    // At end of non-empty text
+    fireEvent.change(ta, { target: { value: 'Ein Text /div' } });
+
+    expect(queryByText('Befehl auswählen')).toBeTruthy();
+    expect(queryByText('/divider')).toBeNull();
+
+    // In an empty block
+    fireEvent.change(ta, { target: { value: '/div' } });
+
+    expect(queryByText('Befehl auswählen')).toBeTruthy();
+    expect(queryByText('/divider')).toBeTruthy();
+  });
+
+  it('converts H1 block back to bullet via /text slash command', () => {
+    const updates: DocumentBlock[] = [];
+    const block = { id: 'b1', type: 'h1', content: 'Meine Überschrift', level: 0 } as DocumentBlock;
+    const { container, queryByText } = renderBlock(block, {
+      onUpdateBlock: (u: DocumentBlock) => updates.push(u),
+    });
+    const ta = container.querySelector('textarea') as HTMLTextAreaElement;
+    ta.focus();
+
+    fireEvent.change(ta, { target: { value: 'Meine Überschrift /text' } });
+
+    expect(queryByText('Befehl auswählen')).toBeTruthy();
+    expect(queryByText('/text')).toBeTruthy();
+
+    fireEvent.keyDown(ta, { key: 'Enter' });
+
+    const last = updates[updates.length - 1];
+    expect(last?.type).toBe('bullet');
+    expect(last?.content).toBe('Meine Überschrift');
+  });
+
+  it('closes slash menu on mousedown outside', () => {
+    const block = { id: 'b1', type: 'bullet', content: '', level: 0 } as DocumentBlock;
+    const { container, queryByText } = renderBlock(block);
+    const ta = container.querySelector('textarea') as HTMLTextAreaElement;
+    ta.focus();
+
+    fireEvent.change(ta, { target: { value: '/' } });
+    expect(queryByText('Befehl auswählen')).toBeTruthy();
+
+    // Click outside on document body
+    fireEvent.mouseDown(document.body);
+    expect(queryByText('Befehl auswählen')).toBeNull();
+  });
+
+  it('converts focused divider to empty bullet on Backspace', () => {
+    const updates: DocumentBlock[] = [];
+    const block = { id: 'd1', type: 'divider', content: '', level: 0 } as DocumentBlock;
+    const { container } = renderBlock(block, {
+      onUpdateBlock: (u: DocumentBlock) => updates.push(u),
+    });
+    const ta = container.querySelector('textarea') as HTMLTextAreaElement;
+    ta.focus();
+
+    fireEvent.keyDown(ta, { key: 'Backspace' });
+    const last = updates[updates.length - 1];
+    expect(last?.type).toBe('bullet');
+    expect(last?.content).toBe('');
+  });
+});