blog: add 2026 July monthly report

[Yilialinn]

Summary

Add the July 2026 community monthly report (EN + ZH).

Feature Highlights Covered

AI Gateway Caching, Routing, and Rate Limiting

1. Semantic L2 caching for ai-cache - PR #13632
2. Streaming response caching with format tagging - PR #13644
3. Redis-backed shared counters for ai-rate-limiting - PR #13670
4. Semantic load balancing in ai-proxy-multi - PR #13676

AI Gateway Security and Observability

5. Prometheus metrics for AI cache performance - PR #13659
6. System and tool role moderation for Aliyun - PR #13646
7. LLM response moderation with AWS Comprehend - PR #13735

Traffic Handling and Upstream Health

8. Encoded slash preservation in path parameters - PR #13626
9. Trusted real client IPs in stream PROXY protocol chains - PR #13700
10. Multiple same-name headers in proxy-rewrite - PR #13597
11. Custom methods and bodies for active health checks - PR #13726

Platform Reliability and Integrations

12. Larger defaults for non-evictable shared dictionaries - PR #13688
13. TLS support for Kafka logger plugins - PR #13607

Gateway Security and Identity

14. Bounded request and response body buffering - PR #13705
15. Raw signed ID token forwarding in openid-connect - PR #13616

Contributor Statistics

• 19 contributors, 151 commits
• 9 new contributors: ecsimsw, pronchakov, suryaparua-official, Episkey-G, luarx, cybersec-jochenarnold, prasunsrivastav123-lang, xiaocanglan1, AruneshDwivedi

Verification

• English blog production build passed.
• Chinese blog build is blocked by the repository's existing readingTime configuration validation error, before content compilation.
• Both posts include all 15 eligible feature PRs; no open good first issue was found for July.
• Independent PR review completed; all findings were addressed.
• All four supplied image URLs return HTTP 200 with the image/webp content type.

Images

• Add English and Chinese cover images
• Add contributor list image
• Add new contributors image