https://blog.lynxflow.co/en/tags/environment-variables/Recent content in Environment Variables on Lynx Tech BlogHugo -- gohugo.ioenTue, 18 Aug 2026 21:36:00 +0800https://blog.lynxflow.co/en/posts/ccswitch-model-not-applying-claude-code/Tue, 18 Aug 2026 21:36:00 +0800https://blog.lynxflow.co/en/posts/ccswitch-model-not-applying-claude-code/<img src="https://blog.lynxflow.co/images/ccswitch-model-not-applying-claude-code.png?v=090603" alt="Featured image of post ccswitch Edited the Model, Claude Code Didn't Budge: A Three-Layer Override Root-Cause Diagnosis" />Origin: Three Edits, Zero Effect I opened ccswitch (v3.19.2, the Windows-side Claude Code config switcher), clicked &ldquo;edit provider,&rdquo; changed the Opus-tier model, and saved. Restarted Claude Code — still running the old model. Edited, saved, restarted again — still no change. &ldquo;Doesn&rsquo;t change&rdquo; problems are the worst kind to guess at. Below is the process of forcing out the root cause with logs and a field-by-field database comparison. The conclusion is more tangled th