fix(auth): ensure endpoint-mode login after server list refresh + add regression test (#728)#856

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ljluestc wants to merge 2 commits intonacos-group:masterfrom

ljluestc:test/endpoint-auth-login-728

Commits on Nov 8, 2025

test(nacos_server): add endpoint-mode auth/login+token injection test (#728)\n\n- Mocks address server discovery\n- Verifies login uses discovered server list\n- Ensures accessToken is injected int…
ljluestc
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fix(nacos_server): login immediately after endpoint server list updates (#728)\n\n- Call securityLogin.Login() right after UpdateServerList in refresh\n- Ensures token is acquired promptly in endpo…
ljluestc
committed