/compact Command Fails When Message Length Is at Maximum Limit

Bug Description
/compact command doesn't work if the maximum length has already been reached

 ⎿  Error: API Error: 400 
     {"type":"error","error":{"type":"invalid_request_error","message":"input length and 
     `max_tokens` exceed context limit: 187157 + 20000 > 204648, decrease input length or 
     `max_tokens` and try again"}}

Environment Info

• Platform: macos
• Terminal: vscode
• Version: 0.2.29
• Feedback ID: 90842412-4c63-4e08-851b-ee8800d99906