[Bug]: mistral - invalid_request_message_order

[towry]

What happened?

19:59:12 - LiteLLM Router:INFO: router.py:3059 - ageneric_api_call_with_fallbacks(model=mistral/devstral-2512) 200 OK
INFO:     127.0.0.1:54768 - "POST /v1/messages?beta=true HTTP/1.1" 200 OK
INFO:     127.0.0.1:54828 - "GET /metrics HTTP/1.1" 404 Not Found
19:59:13 - LiteLLM Router:INFO: router.py:3065 - ageneric_api_call_with_fallbacks(model=mistral/devstral-2512) Exception litellm.BadRequestError: MistralException - {"object":"error","message":"Unexpected role 'user' after role 'tool'","type":"invalid_request_message_order","param":null,"code":"3230"}
19:59:15 - LiteLLM Router:INFO: router.py:3065 - ageneric_api_call_with_fallbacks(model=mistral/devstral-2512) Exception litellm.BadRequestError: MistralException - {"object":"error","message":"Unexpected role 'user' after role 'tool'","type":"invalid_request_message_order","param":null,"code":"3230"}
19:59:17 - LiteLLM Router:INFO: router.py:3065 - ageneric_api_call_with_fallbacks(model=mistral/devstral-2512) Exception litellm.BadRequestError: MistralException - {"object":"error","message":"Unexpected role 'user' after role 'tool'","type":"invalid_request_message_order","param":null,"code":"3230"}

Relevant log output

zed-industries/zed#32675

This issue happens when using the claude with skill.

> good, now load git-jj skill.

⏺ Skill(git-jj)

Are you a ML Ops Team?

No

What LiteLLM version are you on ?

v1.80.9

Twitter / LinkedIn details

No response

[towry]

- litellm_params:
    api_key: FOO
    max_tokens: 256000
    model: mistral/codestral-2508
  model_name: mistral/codestral-2508
- litellm_params:
    api_key: FOO
    max_tokens: 256000
    model: mistral/devstral-2512
  model_name: mistral/devstral-2512