Troubleshooting and version pinning documentation updated

Debugging CLI connections and real-time streams is now more straightforward. Previously, vague connection errors during login or unhandled stream closures caused unnecessary friction and task failures.

A clear checklist for CLI connection issues is now available in the platform documentation, covering cached credentials, firewalls, and custom TLS certificate configurations. For long-running streams, a concrete error-handling pattern is documented to safely swallow expected transport closures without failing the running task. Additionally, exact version pinning is now heavily recommended over auto-resolution in the build configuration, ensuring that build environments remain entirely reproducible over time.