refactor(search): co-locate search feature into features/search

src/features/search/hooks/useLiveSearchRouteScope.test.ts

@@ -0,0 +1,47 @@
+import { describe, expect, it, beforeEach } from 'vitest';
+import { useLiveSearchScopeStore } from '@/store/liveSearchScopeStore';
+import { syncLiveSearchRouteScope } from '@/features/search/hooks/useLiveSearchRouteScope';
+
+describe('syncLiveSearchRouteScope', () => {
+  beforeEach(() => {
+    useLiveSearchScopeStore.setState({ query: '', scope: null, undoStack: [] });
+  });
+
+  it('activates scope on supported browse routes', () => {
+    syncLiveSearchRouteScope('/albums');
+    expect(useLiveSearchScopeStore.getState().scope).toBe('albums');
+
+    syncLiveSearchRouteScope('/tracks');
+    expect(useLiveSearchScopeStore.getState().scope).toBe('tracks');
+
+    syncLiveSearchRouteScope('/composers');
+    expect(useLiveSearchScopeStore.getState().scope).toBe('composers');
+  });
+
+  it('clears scope and query when leaving browse routes', () => {
+    useLiveSearchScopeStore.setState({ query: 'beatles', scope: 'albums' });
+
+    syncLiveSearchRouteScope('/album/abc123');
+
+    expect(useLiveSearchScopeStore.getState().scope).toBeNull();
+    expect(useLiveSearchScopeStore.getState().query).toBe('');
+  });
+
+  it('clears query when leaving browse with scope already cleared (ghost mode)', () => {
+    useLiveSearchScopeStore.setState({ query: 'beatles', scope: null });
+
+    syncLiveSearchRouteScope('/album/abc123');
+
+    expect(useLiveSearchScopeStore.getState().scope).toBeNull();
+    expect(useLiveSearchScopeStore.getState().query).toBe('');
+  });
+
+  it('preserves query when switching between browse routes', () => {
+    useLiveSearchScopeStore.setState({ query: 'jazz', scope: 'albums' });
+
+    syncLiveSearchRouteScope('/artists');
+
+    expect(useLiveSearchScopeStore.getState().scope).toBe('artists');
+    expect(useLiveSearchScopeStore.getState().query).toBe('jazz');
+  });
+});