Merge remote-tracking branch 'origin/main'

feat: 上游渠道为OpenAI渠道类型时，透传请求 (close QuantumNous#532)

fix: 修复Playground分组无用户分组 (close QuantumNous#529)

fix: playground group

fix: playground group

feat: support embedding encoding_format param

feat: update aws claude

feat: update model ratio

fix: playground气泡溢出 QuantumNous#511

Merge pull request QuantumNous#509 from Calcium-Ion/playground

feat: playground