test(tracker-web): cover platform health failures

dashboards/tracker-web/src/__tests__/health.test.ts

@@ -64,6 +64,49 @@ describe('GET /api/health', () => {
     });
   });
 
+  it('returns degraded when platform-service health check throws', async () => {
+    process.env.PLATFORM_API_URL = 'http://localhost:4003';
+    process.env.JWT_SECRET = 'test-secret';
+    process.env.DEFAULT_PRODUCT_ID = 'test-product';
+    vi.stubGlobal(
+      'fetch',
+      vi.fn(async () => {
+        throw new Error('connection refused');
+      })
+    );
+
+    const res = await GET();
+    expect(res.status).toBe(503);
+    const data = await res.json();
+    expect(data.status).toBe('degraded');
+    expect(data.checks).toContainEqual({
+      name: 'platform-service',
+      status: 'fail',
+      message: 'connection refused',
+    });
+  });
+
+  it('returns a generic degraded message for non-Error platform failures', async () => {
+    process.env.PLATFORM_API_URL = 'http://localhost:4003';
+    process.env.JWT_SECRET = 'test-secret';
+    process.env.DEFAULT_PRODUCT_ID = 'test-product';
+    vi.stubGlobal(
+      'fetch',
+      vi.fn(async () => {
+        throw 'boom';
+      })
+    );
+
+    const res = await GET();
+    expect(res.status).toBe(503);
+    const data = await res.json();
+    expect(data.checks).toContainEqual({
+      name: 'platform-service',
+      status: 'fail',
+      message: 'health check failed',
+    });
+  });
+
   it('returns degraded when env vars are missing', async () => {
     delete process.env.PLATFORM_API_URL;
     delete process.env.JWT_SECRET;