Programming Tutorials

  The   claude   CLI tool has rapidly become essential for power users integrating LLM workflows directly into the terminal. However, developers attempting to optimize their throughput by running parallel sessions—one for a backend migration, another for writing unit tests—often hit a hard wall. You open a new tab, run  claude , and suddenly your active sessions terminate. The console spits out  Request aborted  or, more cryptically, a Cloudflare  Error 525: SSL Handshake Failed . This isn't a network outage. It is a state management conflict inherent to how modern CLI tools handle authentication persistence. This guide details the root cause of these crashes and provides a robust shell-level implementation to isolate your sessions. The Root Cause: Race Conditions in State Files To fix the crash, we must understand the architecture of the  claude  CLI authentication flow. When you authenticate via  claude login , the tool writes an OIDC ...