Follow-up to #69. Audit Deal and Retrieval telemetry fields and remove those only needed for reporting, keeping Prometheus and Clickhouse as their destinations.
Before dropping columns, check runtime consumers and preserve Clickhouse writes, latency calculations, and duplicate-metric prevention. Include migration and regression coverage for affected flows.
Follow-up to #69. Audit Deal and Retrieval telemetry fields and remove those only needed for reporting, keeping Prometheus and Clickhouse as their destinations.
Before dropping columns, check runtime consumers and preserve Clickhouse writes, latency calculations, and duplicate-metric prevention. Include migration and regression coverage for affected flows.