feat(image): add native-read controls and autosave settings

- add per-profile native image preferences and native-capability detection
- redesign Settings -> Image around compact sections with Web-style autosave
- expose richer backend/profile status and update Gemini Flash defaults

tests/unit/web-server/image-analysis-routes.test.ts

@@ -101,7 +101,7 @@ describe('image-analysis routes', () => {
         enabled: true,
         timeout: 60,
         provider_models: {
-          gemini: 'gemini-2.5-flash',
+          gemini: 'gemini-3-flash-preview',
           ghcp: 'claude-haiku-4.5',
         },
         fallback_backend: 'gemini',
@@ -158,7 +158,7 @@ describe('image-analysis routes', () => {
       expect.arrayContaining([
         expect.objectContaining({
           backendId: 'gemini',
-          model: 'gemini-2.5-flash',
+          model: 'gemini-3-flash-preview',
         }),
         expect.objectContaining({
           backendId: 'ghcp',
@@ -227,7 +227,7 @@ describe('image-analysis routes', () => {
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify({
         providerModels: {
-          gemini: 'gemini-2.5-flash',
+          gemini: 'gemini-3-flash-preview',
         },
         fallbackBackend: 'gemini',
         profileBackends: {

tests/unit/web-server/settings-routes-image-analysis-status.test.ts

@@ -111,7 +111,7 @@ describe('settings-routes image-analysis status', () => {
     expect(body.imageAnalysisStatus.status).toBe('active');
     expect(body.imageAnalysisStatus.backendId).toBe('gemini');
     expect(body.imageAnalysisStatus.resolutionSource).toBe('fallback-backend');
-    expect(body.imageAnalysisStatus.model).toBe('gemini-2.5-flash');
+    expect(body.imageAnalysisStatus.model).toBe('gemini-3-flash-preview');
     expect(body.imageAnalysisStatus.persistencePath).toContain('glm.settings.json');
     expect(body.imageAnalysisStatus.authReadiness).toBe('missing');
     expect(body.imageAnalysisStatus.effectiveRuntimeMode).toBe('native-read');
@@ -255,4 +255,38 @@ describe('settings-routes image-analysis status', () => {
     expect(body.imageAnalysisStatus.resolutionSource).toBe('cliproxy-bridge');
     expect(body.imageAnalysisStatus.authReadiness).toBe('missing');
   });
+
+  it('respects per-profile native image preference stored in settings json', async () => {
+    writeJson(path.join(tempHome, '.ccs', 'glmv.settings.json'), {
+      env: {
+        ANTHROPIC_BASE_URL: 'https://api.z.ai/v1',
+        ANTHROPIC_MODEL: 'glm-4.5v',
+        ANTHROPIC_AUTH_TOKEN: 'glmv-test-key',
+      },
+      ccs_image: {
+        native_read: true,
+      },
+    });
+
+    const response = await fetch(`${baseUrl}/api/settings/glmv/raw`);
+    expect(response.status).toBe(200);
+
+    const body = (await response.json()) as {
+      imageAnalysisStatus: {
+        backendId: string | null;
+        resolutionSource: string;
+        profileModel: string | null;
+        nativeReadPreference: boolean;
+        nativeImageCapable: boolean | null;
+        effectiveRuntimeMode: string;
+      };
+    };
+
+    expect(body.imageAnalysisStatus.backendId).toBeNull();
+    expect(body.imageAnalysisStatus.resolutionSource).toBe('native-compatible');
+    expect(body.imageAnalysisStatus.profileModel).toBe('glm-4.5v');
+    expect(body.imageAnalysisStatus.nativeReadPreference).toBe(true);
+    expect(body.imageAnalysisStatus.nativeImageCapable).toBe(true);
+    expect(body.imageAnalysisStatus.effectiveRuntimeMode).toBe('native-read');
+  });
 });