feat(sync-help): ConflictModal inline 설명 + 자세히 보기 링크 (onOpenHelp prop)

src/renderer/inbox/components/ConflictModal.tsx

@@ -5,6 +5,7 @@ import { inboxApi } from '../api.js';
 interface Props {
   onClose: () => void;
   onResolved: () => void;
+  onOpenHelp?: (anchor: 'main-conflict' | 'auto' | 'silent' | 'setup') => void;
 }
 
 const overlayStyle: React.CSSProperties = {
@@ -22,7 +23,7 @@ const rowStyle: React.CSSProperties = {
   border: '1px solid #eee', borderRadius: 6, padding: 10, marginTop: 8
 };
 
-export function ConflictModal({ onClose, onResolved }: Props): React.ReactElement {
+export function ConflictModal({ onClose, onResolved, onOpenHelp }: Props): React.ReactElement {
   const [conflicts, setConflicts] = useState<SyncConflict[]>([]);
   const [busy, setBusy] = useState<string | null>(null);
   const [error, setError] = useState<string | null>(null);
@@ -74,6 +75,18 @@ export function ConflictModal({ onClose, onResolved }: Props): React.ReactElemen
                 <pre style={preStyle()}>{c.remoteText || '(미리보기 없음)'}</pre>
               </div>
             </div>
+            <div style={{ marginTop: 8, fontSize: 11, color: '#666', lineHeight: 1.5 }}>
+              <div><b>내 것 사용</b>: 이 기기의 변경을 보존하고 원격의 같은 노트 변경을 폐기.</div>
+              <div><b>원격 사용</b>: 원격의 변경을 가져오고 내 변경을 폐기.</div>
+              {onOpenHelp && (
+                <button
+                  onClick={() => onOpenHelp('main-conflict')}
+                  style={{ background: 'none', border: 'none', color: '#0a4b80', cursor: 'pointer', fontSize: 11, padding: 0, marginTop: 2, textDecoration: 'underline' }}
+                >
+                  자세히 보기 →
+                </button>
+              )}
+            </div>
             <div style={{ marginTop: 8, display: 'flex', gap: 8, justifyContent: 'flex-end' }}>
               <button
                 onClick={() => { void onChoose(c.path, 'local'); }}

tests/unit/ConflictModal.test.tsx

@@ -58,4 +58,26 @@ describe('ConflictModal', () => {
       expect(onClose).toHaveBeenCalled();
     });
   });
+
+  it('각 conflict row 에 local/remote inline 설명 표시', async () => {
+    render(<ConflictModal onClose={() => {}} onResolved={() => {}} onOpenHelp={() => {}} />);
+    await waitFor(() => screen.getByText(/local A/));
+    expect(screen.getAllByText(/이 기기의 변경을 보존/).length).toBeGreaterThanOrEqual(2);
+    expect(screen.getAllByText(/원격의 변경을 가져오고/).length).toBeGreaterThanOrEqual(2);
+  });
+
+  it('"자세히 보기" 클릭 → onOpenHelp("main-conflict") 호출', async () => {
+    const onOpenHelp = vi.fn();
+    render(<ConflictModal onClose={() => {}} onResolved={() => {}} onOpenHelp={onOpenHelp} />);
+    await waitFor(() => screen.getByText(/local A/));
+    const links = screen.getAllByRole('button', { name: /자세히 보기/ });
+    fireEvent.click(links[0]!);
+    expect(onOpenHelp).toHaveBeenCalledWith('main-conflict');
+  });
+
+  it('onOpenHelp 미제공 → "자세히 보기" 링크 미렌더', async () => {
+    render(<ConflictModal onClose={() => {}} onResolved={() => {}} />);
+    await waitFor(() => screen.getByText(/local A/));
+    expect(screen.queryByRole('button', { name: /자세히 보기/ })).toBeNull();
+  });
 });