https://redcrag.cn/ https://redcrag.cn/llms.txt https://redcrag.cn/.well-known/agent-index.json https://redcrag.cn/capabilities/saee-capability-manifest.v0.1.json https://redcrag.cn/docs/overview.md https://redcrag.cn/docs/architecture-overview.md https://redcrag.cn/docs/evidence-adequacy.md https://redcrag.cn/docs/reproducibility-overview.md https://redcrag.cn/docs/limitations.md https://redcrag.cn/examples/synthetic-review-example.json