[Feature Request] Openrouter支持/v1/messages原生端点

[seefs001]

Routine Checks

• I have confirmed there are no similar issues currently
• I have confirmed I have upgraded to the latest version
• I have thoroughly read the project README and confirmed the current version cannot meet my needs
• I understand and am willing to follow up on this issue, assist with testing and provide feedback
• I understand and acknowledge the above, and understand that project maintainers have limited time and energy, issues that do not follow the rules may be ignored or closed directly

Feature Description
如题
Use Case

[PiggyRan]

赞，希望能早点解决！

[ImSingee]

openrouter 对于 claude 模型的计费是真的 buggy

https://v2ex.com/t/1189673?p=1#reply15

[seefs001]

openrouter 对于 claude 模型的计费是真的 buggy

v2ex.com/t/1189673?p=1#reply15

那这很悲伤了，他和官方行为不一致我也不知道怎么搞他，按他的现有方式弄，怕他以后又改过去。

[IamMagicSu]

openrouter已经添加了缓存创建"cache_creation_input_tokens"。

{
"model": "anthropic/claude-haiku-4.5",
"stop_reason": "end_turn",
"stop_sequence": null,
"usage": {
"input_tokens": 13,
"output_tokens": 490,
"cache_creation_input_tokens": 11028,
"cache_read_input_tokens": 0,
"cache_creation": null,
"inference_geo": null,
"server_tool_use": null,
"service_tier": "standard",
"cost": 0.016248,
"is_byok": false,
"cost_details": {
"upstream_inference_cost": 0.016248,
"upstream_inference_prompt_cost": 0.013798,
"upstream_inference_completions_cost": 0.00245
}
}
}