Appreciate it. We enforce idempotency at the event level using client-provided deduplication keys, so even with high concurrency or retries, the billing pipelin

Appreciate it. We enforce idempotency at the event level using client-provided deduplication keys, so even with high concurrency or retries, the billing pipeline stays consistent. For internal retries, we batch in-memory and attach unique IDs before dispatch to avoid double-counting.