Bound BaoStock messages and serialize SDK sessions; verify Copilot credential
lookup expiry without changing the SDK's per-call credential resolution.
Run public-loader health checks in isolated, credential-free processes and a
separate dependency environment, with explicit failure reports and a weekly
workflow. Render broker capabilities per profile and document verification
requirements. Update September 28 News in all seven README languages.
Closes#1626Closes#1623Closes#1617Closes#1492