Proxy

Proxy responsibilities include:

• forwarding to upstreams
• header normalization and hop-by-hop stripping
• streaming protocols (SSE / upgraded connections)

Primary file:

• pkg/gateway/proxy/reverse_proxy.go (annotated: Reverse proxy)

Deep dive

• Start Here: Request lifecycle
• Guides: Auth and CORS, WebSockets limits
• Reference: Metrics
• Related source: Server, Protocol metrics