diff --git a/src/renderer/inbox/store.ts b/src/renderer/inbox/store.ts
index bf88933..3cc22ae 100644
--- a/src/renderer/inbox/store.ts
+++ b/src/renderer/inbox/store.ts
@@ -10,6 +10,7 @@ interface InboxState {
   trashNotes: Note[];
   trashCount: number;
   showTrash: boolean;
+  showSettings: boolean;
   continuity: WeeklyContinuity;
   pendingCount: number;
   ollamaStatus: { ok: boolean; reason?: string };
@@ -26,6 +27,7 @@ interface InboxState {
   upsertNote: (note: Note) => void;
   removeNote: (id: string) => void;
   setTagFilter: (tag: string | null) => void;
+  setShowSettings: (open: boolean) => void;
   toggleShowTrash: () => Promise<void>;
   loadTrash: () => Promise<void>;
   restoreNote: (id: string) => Promise<void>;
@@ -52,6 +54,7 @@ export const useInbox = create<InboxState>((set, get) => ({
   trashNotes: [],
   trashCount: 0,
   showTrash: false,
+  showSettings: false,
   continuity: emptyContinuity,
   pendingCount: 0,
   ollamaStatus: { ok: true },
@@ -134,6 +137,9 @@ export const useInbox = create<InboxState>((set, get) => ({
   setTagFilter(tag) {
     set({ tagFilter: tag });
   },
+  setShowSettings(open) {
+    set({ showSettings: open });
+  },
   async toggleShowTrash() {
     const next = !get().showTrash;
     set({ showTrash: next });
diff --git a/tests/unit/store.showSettings.test.ts b/tests/unit/store.showSettings.test.ts
new file mode 100644
index 0000000..f7bbd9d
--- /dev/null
+++ b/tests/unit/store.showSettings.test.ts
@@ -0,0 +1,65 @@
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+import type { Note } from '@shared/types';
+
+const mockApi = {
+  listNotes: vi.fn(async () => [] as Note[]),
+  listTrash: vi.fn(async () => [] as Note[]),
+  getTrashCount: vi.fn(async () => 0),
+  getContinuity: vi.fn(async () => ({ weekStart: '', weekCount: 0, weekTarget: 7, consecutiveCompleteWeeks: 0, showRecoveryToast: false, lastNoteAt: null })),
+  getPendingCount: vi.fn(async () => 0),
+  getOllamaStatus: vi.fn(async () => ({ ok: true })),
+  getTodayCount: vi.fn(async () => 0),
+  getFailedCount: vi.fn(async () => 0),
+  listExpired: vi.fn(async () => [] as Note[]),
+  listRecallCandidate: vi.fn(async () => null),
+  restoreNote: vi.fn(async () => {}),
+  permanentDeleteNote: vi.fn(async () => ({ confirmed: true })),
+  emptyTrash: vi.fn(async () => ({ confirmed: true, count: 0 })),
+  trashExpiredBatch: vi.fn(async () => ({ confirmed: true, trashedCount: 0 })),
+  onNoteUpdated: vi.fn(() => () => {}),
+  updateAiFields: vi.fn(async () => {}),
+  setDueDate: vi.fn(async () => {}),
+  setIntent: vi.fn(async () => {}),
+  dismissIntent: vi.fn(async () => {}),
+  ollamaRecheck: vi.fn(async () => ({ ok: true })),
+  retryAllFailed: vi.fn(async () => {}),
+  markRecallOpened: vi.fn(async () => {}),
+  dismissRecall: vi.fn(async () => {}),
+  emitRecallSnoozed: vi.fn(async () => {})
+};
+
+vi.mock('../../src/renderer/inbox/api.js', () => ({ inboxApi: mockApi }));
+
+describe('inbox store — showSettings', () => {
+  beforeEach(async () => {
+    const { useInbox } = await import('../../src/renderer/inbox/store.js');
+    useInbox.setState({
+      notes: [], trashNotes: [], trashCount: 0, showTrash: false,
+      loading: false, tagFilter: null, pendingCount: 0, todayCount: 0,
+      ollamaStatus: { ok: true },
+      continuity: { weekStart: '', weekCount: 0, weekTarget: 7, consecutiveCompleteWeeks: 0, showRecoveryToast: false, lastNoteAt: null },
+      expiredCandidates: [], expiredSnoozeUntilMs: null,
+      failedCount: 0, recallCandidate: null, recallSnoozeUntilMs: null,
+      showSettings: false
+    });
+    Object.values(mockApi).forEach((fn) => 'mockClear' in fn && (fn as any).mockClear());
+  });
+
+  it('initial state has showSettings=false', async () => {
+    const { useInbox } = await import('../../src/renderer/inbox/store.js');
+    expect(useInbox.getState().showSettings).toBe(false);
+  });
+
+  it('setShowSettings(true) sets state', async () => {
+    const { useInbox } = await import('../../src/renderer/inbox/store.js');
+    useInbox.getState().setShowSettings(true);
+    expect(useInbox.getState().showSettings).toBe(true);
+  });
+
+  it('setShowSettings(false) toggles back', async () => {
+    const { useInbox } = await import('../../src/renderer/inbox/store.js');
+    useInbox.getState().setShowSettings(true);
+    useInbox.getState().setShowSettings(false);
+    expect(useInbox.getState().showSettings).toBe(false);
+  });
+});