refactor: improve network error and allow verbose output (#36923)

cli/src/api/workspaces.test.ts

@@ -2,7 +2,7 @@ import type { StubServer } from '@test/fixtures/stub-server'
 import { testHttpClient } from '@test/fixtures/http-client'
 import { jsonResponder, startStubServer } from '@test/fixtures/stub-server'
 import { afterEach, describe, expect, it } from 'vitest'
-import { isBaseError } from '@/errors/base'
+import { isHttpClientError } from '@/errors/base'
 import { WorkspacesClient } from './workspaces.js'
 
 // WorkspacesClient.switch is covered in members.test.ts; this file covers list().
@@ -30,14 +30,14 @@ describe('WorkspacesClient.list', () => {
 
     expect(stub.captured.method).toBe('GET')
     expect(stub.captured.url).toBe('/openapi/v1/workspaces')
-    expect(res.workspaces[0].id).toBe('ws-1')
+    expect(res.workspaces[0]?.id).toBe('ws-1')
   })
 
   it('maps 401 to a classified BaseError', async () => {
     stub = await startStubServer(cap => jsonResponder(401, { error: 'expired' }, cap))
 
     await expect(makeClient(stub.url).list()).rejects.toSatisfy(
-      err => isBaseError(err) && err.httpStatus === 401,
+      err => isHttpClientError(err) && err.httpStatus === 401,
     )
   })
 })