Remove unnecessary async from init_observability -- body was fully sync. Change otlp_endpoint from &str to Option<&str> -- when None, OTLP layer is skipped (fmt-only mode). Update all 8 service callers. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
api_gateway
API Gateway service with 6-layer authentication, RBAC, rate limiting, and gRPC proxy routing.
Key Types
ApiGatewayService-- main service implementationRoleBasedAccessControl-- RBAC authorizationRateLimiter-- 3-tier rate limiting (auth/trading/compute)CircuitBreaker-- upstream service protection
Configuration
JWT_SECRET-- JWT signing secret (min 32 chars)UPSTREAM_TRADING_URL-- trading service gRPC endpointUPSTREAM_ML_URL-- ML service gRPC endpoint
Features
mfa(default) -- multi-factor authentication support- Build without:
cargo check -p api_gateway --no-default-features --features minimal