[Feature]: key的限流/模型权限/额度控制

[DSYZayn]

Affected Page / Module

Request monitoring

Use Case

希望分发key时能够进行限流、可用模型控制以及额度控制

Current Pain Point

当前获得key的用户可以等权限的使用号池，这样不方便分发给下游/非核心用户

Expected Solution

按key级别进行独立的限流、可用模型控制以及额度控制

Relevant Data Dimensions

• API Key / client
• AI provider
• Model
• Auth file
• Account
• Project
• Time range
• Cost
• Token / usage
• Quota
• Failure reason / error type
• None of these

Expected Acceptance Result

x

Priority

Medium: clearly improves usability

Additional Context

No response

Checklist

• I have searched existing Issues and did not find a duplicate request.