Reconciliation

When Your Antigravity Agent's Usage Ledger Quietly Drifts From Stripe's Bill — Field Notes on Idempotency, Late Events, and Reconciliation

Usage-based billing for Antigravity agents fails silently when your internal usage ledger and Stripe's Meter Events aggregation drift apart. Field notes on idempotency keys, absorbing late events, the 35-day window, and a daily reconciliation job.