Deepseek Harness 0.2.1-rc.2

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• DeepSeek-V4.1-Flash-1017 @LegGasai
• DeepSeek Search Fetch API, @yudshj, @LegGasai

New Features

• Add support for DeepSeek-V4.1-Flash-1017. by @LegGasai
• Add support for DeepSeek Search and Fetch APIs, which can be enabled in Web Search settings. by @yudshj, @LegGasai

Full Changelog: dsh-v0.2.1-rc.1...dsh-v0.2.1-rc.2