[FEATURE] Please provide a command-line option to clear the thinking block

Preflight Checklist

• [x] I have searched existing requests 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_