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>
data_acquisition_service
Automated Databento data downloading, validation, and S3 upload for HFT trading.
Key Types
DataAcquisitionServiceImpl-- main gRPC serviceDownloader-- Databento API clientUploader-- S3 artifact uploadValidator-- data quality checks
Configuration
DATABENTO_API_KEY-- Databento API credentialsS3_BUCKET-- target storage bucket