strip <think> tags from models like qwen and deepseek #1324

Currently, at least in title generation we should strip out <think> content so that titles don't appear so terribly haha:

https://opencode.ai/s/kzRz5TX8

Depending on the qwen model this can still happen under some circumstances even if we strip out reasoning blocks, until models.dev is fixed, opened pr here: anomalyco/models.dev#76