[API] Add X-Reflex-Request-ID Header to All Responses

[DsThakurRawat]

Description (GFI)

Unique request IDs are essential for fleet-scale log tracing.

Task

• Add a middleware to the FastAPI app that generates a UUID X-Reflex-Request-ID.
• Ensure this ID is present in all HTTP response headers and logged in the OTel span.

[huynna12]

started this issue

[github-actions]

👋 Thanks for your interest in this issue!

This is a great place to start contributing 🎉

Before you begin, please read our contributing guide:
👉 https://github.com/FastCrest/reflex-vla/blob/main/CONTRIBUTING.md

Getting started

• Comment that you're working on it
• Follow the setup steps in CONTRIBUTING.md
• Open a PR when ready

If you get stuck, just ask here — happy to help! 🚀

[DsThakurRawat]

assign this to you :)