When switching models via CC switch after triggering a 'thinking' block, then switching back to Claude, an API error occurs. User requests a command-line option to clear the thinking block to prevent this issue.
### Preflight Checklist - [x] I have searched [existing requests](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20label%3Aenhancement) and this feature hasn't been requested yet - [x] This is a single feature request (not multiple features) ### Problem Statement When switching to other models via CC switch after triggering thinking, then switching back to Claude, it throws the error API Error: 400 messages.1.content.0: Invalid \signature` in `thinking` block`, making it impossible to continue using the current conversation. ### Proposed Solution Please provide a command-line option to clear the thinking block. ### Alternative Solutions _No response_ ### Priority Critical - Blocking my work ### Feature Category CLI commands and flags ### Use Case Example _No response_ ### Additional Context _No response_