fix(image-analysis): tolerate missing auth init dependency

tests/unit/utils/hooks/image-analysis-runtime-status.test.ts

@@ -88,6 +88,25 @@ describe('image-analysis-runtime-status', () => {
     expect(status.effectiveRuntimeMode).toBe('cliproxy-image-analysis');
   });
 
+  it('uses getAuthStatus when initializeAccounts is omitted from an override', async () => {
+    const status = await hydrateImageAnalysisRuntimeStatus(createStatus(), {
+      getProxyTarget: () => ({ host: '127.0.0.1', port: 8317, protocol: 'http', isRemote: false }),
+      initializeAccounts: undefined as unknown as () => void,
+      getAuthStatus: () => ({
+        provider: 'ghcp',
+        authenticated: true,
+        tokenDir: '/tmp/auth',
+        tokenFiles: ['github-copilot-test.json'],
+        accounts: [],
+        defaultAccount: undefined,
+      }),
+      isCliproxyRunning: async () => true,
+    });
+
+    expect(status.authReadiness).toBe('ready');
+    expect(status.effectiveRuntimeMode).toBe('cliproxy-image-analysis');
+  });
+
   it('treats an unreachable remote proxy as unavailable', async () => {
     const status = await hydrateImageAnalysisRuntimeStatus(createStatus(), {
       getProxyTarget: () => ({