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### Check Existing Issues - [x] I have searched the existing issues and discussions. - [x] I am using the latest version of Open WebUI. ### Installation Method Docker ###...

Tool call index is off by 1 if reasoning block is present

1

**Describe the bug** Tool call index is off by 1 if reasoning block is present. Below is a example response stream event, the tool_call index start at 1. ``` {"id":"chatcmpl-63471c7a","created":1743536578,"model":"us.anthropic.claude-3-7-sonnet-20250219-v1:0","system_fingerprint":"fp","choices":[{"index":0,"finish_reason":null,"logprobs":null,"delta":{"role":"assistant","content":""}}],"object":"chat.completion.chunk","usage":null}...