diff --git a/src/renderer/inbox/components/settings/AiProviderSection.tsx b/src/renderer/inbox/components/settings/AiProviderSection.tsx
index cd32e12..ed31a80 100644
--- a/src/renderer/inbox/components/settings/AiProviderSection.tsx
+++ b/src/renderer/inbox/components/settings/AiProviderSection.tsx
@@ -1,6 +1,7 @@
 import React, { useEffect, useState } from 'react';
 import { z } from 'zod';
 import { inboxApi } from '../../api.js';
+import { VisionSection } from './VisionSection.js';
 
 const endpointSchema = z.string().url();
 
@@ -192,6 +193,7 @@ export function AiProviderSection(): React.ReactElement {
       {recheckResult && (
         <div style={{ fontSize: 12, marginTop: 8 }}>{recheckResult}</div>
       )}
+      <VisionSection />
     </div>
   );
 }
diff --git a/src/renderer/inbox/components/settings/VisionSection.tsx b/src/renderer/inbox/components/settings/VisionSection.tsx
new file mode 100644
index 0000000..2d728bc
--- /dev/null
+++ b/src/renderer/inbox/components/settings/VisionSection.tsx
@@ -0,0 +1,81 @@
+import React, { useEffect, useState } from 'react';
+import { inboxApi } from '../../api.js';
+
+export function VisionSection(): React.ReactElement {
+  const [models, setModels] = useState<string[]>([]);
+  const [at, setAt] = useState<string | null>(null);
+  const [selected, setSelected] = useState<string | null>(null);
+  const [busy, setBusy] = useState<'select' | 'refresh' | null>(null);
+  const [feedback, setFeedback] = useState<string | null>(null);
+
+  async function load() {
+    const r = await inboxApi.getVisionModels();
+    setModels(r.models);
+    setAt(r.at);
+    setSelected(r.selected);
+  }
+
+  useEffect(() => {
+    void load();
+  }, []);
+
+  async function onSelect(value: string) {
+    const next = value === '' ? null : value;
+    setBusy('select');
+    setFeedback(null);
+    await inboxApi.setVisionModel(next);
+    setSelected(next);
+    setBusy(null);
+  }
+
+  async function onRefresh() {
+    setBusy('refresh');
+    setFeedback(null);
+    const r = await inboxApi.refreshVisionCache();
+    setBusy(null);
+    if (r.ok) {
+      await load();
+      setFeedback(`감지 완료 (${r.models.length}개)`);
+    } else {
+      setFeedback(`감지 실패: ${r.reason}`);
+    }
+  }
+
+  return (
+    <section style={{ marginTop: 16 }}>
+      <h4 style={{ fontSize: 13, marginBottom: 6 }}>이미지 분석 모델 (선택사항)</h4>
+      <div style={{ display: 'flex', gap: 6, alignItems: 'center', marginBottom: 6 }}>
+        <select
+          aria-label="이미지 분석 모델"
+          value={selected ?? ''}
+          onChange={(e) => { void onSelect(e.target.value); }}
+          disabled={busy !== null}
+          style={{ flex: 1, fontSize: 12, padding: '4px 8px', border: '1px solid #ccc', borderRadius: 4 }}
+        >
+          <option value="">(비활성)</option>
+          {models.map((m) => <option key={m} value={m}>{m}</option>)}
+        </select>
+        <button
+          onClick={() => { void onRefresh(); }}
+          disabled={busy !== null}
+          style={{ background: '#0a4b80', color: '#fff', border: 'none', cursor: 'pointer', fontSize: 12, padding: '4px 10px', borderRadius: 4 }}
+        >
+          {busy === 'refresh' ? '감지 중…' : '다시 감지'}
+        </button>
+      </div>
+      {at !== null && (
+        <div style={{ fontSize: 11, color: '#888' }}>
+          마지막 감지: {new Date(at).toLocaleString('ko-KR')}
+        </div>
+      )}
+      {feedback !== null && (
+        <div style={{ fontSize: 11, color: '#444', marginTop: 4 }}>{feedback}</div>
+      )}
+      {models.length === 0 && (
+        <div style={{ fontSize: 11, color: '#aaa', marginTop: 4 }}>
+          감지된 모델 없음. Ollama 에 vision 모델을 설치하고 "다시 감지" 클릭.
+        </div>
+      )}
+    </section>
+  );
+}
diff --git a/tests/unit/AiProviderSection.test.tsx b/tests/unit/AiProviderSection.test.tsx
index 4a9bea7..13d6618 100644
--- a/tests/unit/AiProviderSection.test.tsx
+++ b/tests/unit/AiProviderSection.test.tsx
@@ -11,7 +11,11 @@ vi.mock('../../src/renderer/inbox/api.js', () => ({
     getSettings: vi.fn(async () => ({ ai_enabled: true })),
     setAiEnabled: vi.fn(async () => ({ ok: true })),
     getDisabledCount: vi.fn(async () => 0),
-    enqueueDisabled: vi.fn(async () => ({ count: 0 }))
+    enqueueDisabled: vi.fn(async () => ({ count: 0 })),
+    // v0.3.1 Cut F — VisionSection 이 AiProviderSection 에 마운트되어 호출.
+    getVisionModels: vi.fn(async () => ({ models: [], at: null, selected: null })),
+    setVisionModel: vi.fn(async () => ({ ok: true as const })),
+    refreshVisionCache: vi.fn(async () => ({ ok: true as const, models: [] }))
   }
 }));
 
diff --git a/tests/unit/App.test.tsx b/tests/unit/App.test.tsx
index f49a065..0c269f7 100644
--- a/tests/unit/App.test.tsx
+++ b/tests/unit/App.test.tsx
@@ -62,7 +62,11 @@ vi.mock('../../src/renderer/inbox/api.js', () => ({
     setSyncAutoEnabled: vi.fn(async () => ({ ok: true as const })),
     setSyncIntervalMin: vi.fn(async () => ({ ok: true as const })),
     configureSync: vi.fn(async () => ({ ok: true as const })),
-    testSyncConnection: vi.fn(async () => ({ ok: true as const }))
+    testSyncConnection: vi.fn(async () => ({ ok: true as const })),
+    // v0.3.1 Cut F — VisionSection 이 AiProviderSection 에 마운트되어 호출.
+    getVisionModels: vi.fn(async () => ({ models: [], at: null, selected: null })),
+    setVisionModel: vi.fn(async () => ({ ok: true as const })),
+    refreshVisionCache: vi.fn(async () => ({ ok: true as const, models: [] }))
   }
 }));
 
diff --git a/tests/unit/SettingsPage.test.tsx b/tests/unit/SettingsPage.test.tsx
index 7405c46..ea8b313 100644
--- a/tests/unit/SettingsPage.test.tsx
+++ b/tests/unit/SettingsPage.test.tsx
@@ -52,7 +52,11 @@ vi.mock('../../src/renderer/inbox/api.js', () => ({
     setSyncAutoEnabled: vi.fn(async () => ({ ok: true as const })),
     setSyncIntervalMin: vi.fn(async () => ({ ok: true as const })),
     configureSync: vi.fn(async () => ({ ok: true as const })),
-    testSyncConnection: vi.fn(async () => ({ ok: true as const }))
+    testSyncConnection: vi.fn(async () => ({ ok: true as const })),
+    // v0.3.1 Cut F — VisionSection 이 AiProviderSection 에 마운트되어 호출.
+    getVisionModels: vi.fn(async () => ({ models: [], at: null, selected: null })),
+    setVisionModel: vi.fn(async () => ({ ok: true as const })),
+    refreshVisionCache: vi.fn(async () => ({ ok: true as const, models: [] }))
   }
 }));
 
diff --git a/tests/unit/VisionSection.test.tsx b/tests/unit/VisionSection.test.tsx
new file mode 100644
index 0000000..f610bca
--- /dev/null
+++ b/tests/unit/VisionSection.test.tsx
@@ -0,0 +1,75 @@
+// @vitest-environment jsdom
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import '@testing-library/jest-dom/vitest';
+import { render, screen, fireEvent, cleanup, waitFor } from '@testing-library/react';
+import React from 'react';
+
+const { mockGet, mockSet, mockRefresh } = vi.hoisted(() => ({
+  mockGet: vi.fn(),
+  mockSet: vi.fn(),
+  mockRefresh: vi.fn()
+}));
+
+vi.mock('../../src/renderer/inbox/api.js', () => ({
+  inboxApi: {
+    getVisionModels: mockGet,
+    setVisionModel: mockSet,
+    refreshVisionCache: mockRefresh
+  }
+}));
+
+import { VisionSection } from '../../src/renderer/inbox/components/settings/VisionSection';
+
+describe('VisionSection', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    cleanup();
+    mockGet.mockResolvedValue({
+      models: ['gemma3:12b-vision', 'llava:13b'],
+      at: '2026-05-10T05:00:00Z',
+      selected: 'gemma3:12b-vision'
+    });
+    mockSet.mockResolvedValue({ ok: true });
+    mockRefresh.mockResolvedValue({ ok: true, models: ['gemma3:12b-vision', 'llava:13b'] });
+  });
+
+  it('open 시 cache 로드 + dropdown 옵션 표시 + 선택된 모델 default', async () => {
+    render(<VisionSection />);
+    await waitFor(() => {
+      expect(screen.getByLabelText('이미지 분석 모델')).toHaveValue('gemma3:12b-vision');
+    });
+    expect(screen.getByText('gemma3:12b-vision')).toBeInTheDocument();
+    expect(screen.getByText('llava:13b')).toBeInTheDocument();
+    expect(screen.getByText(/마지막 감지/)).toBeInTheDocument();
+  });
+
+  it('dropdown 변경 → setVisionModel 호출', async () => {
+    render(<VisionSection />);
+    await waitFor(() => screen.getByLabelText('이미지 분석 모델'));
+    fireEvent.change(screen.getByLabelText('이미지 분석 모델'), { target: { value: 'llava:13b' } });
+    await waitFor(() => {
+      expect(mockSet).toHaveBeenCalledWith('llava:13b');
+    });
+  });
+
+  it('비활성 선택 → setVisionModel(null)', async () => {
+    render(<VisionSection />);
+    await waitFor(() => screen.getByLabelText('이미지 분석 모델'));
+    fireEvent.change(screen.getByLabelText('이미지 분석 모델'), { target: { value: '' } });
+    await waitFor(() => {
+      expect(mockSet).toHaveBeenCalledWith(null);
+    });
+  });
+
+  it('다시 감지 클릭 → refreshVisionCache 호출 + 결과 표시', async () => {
+    render(<VisionSection />);
+    await waitFor(() => screen.getByRole('button', { name: /다시 감지/ }));
+    fireEvent.click(screen.getByRole('button', { name: /다시 감지/ }));
+    await waitFor(() => {
+      expect(mockRefresh).toHaveBeenCalled();
+    });
+    await waitFor(() => {
+      expect(screen.getByText(/감지 완료/)).toBeInTheDocument();
+    });
+  });
+});