What the dashboard shows
- Today / this week / this month spend per provider
- Top 10 most expensive agent sessions
- AI Field fires + costs
- Cumulative cost per vault
Common runaway patterns
- A 1000-row AI field without manual-refresh
- Long-context (>100K) jobs on the priciest model
- Subagent recursion too deep (keep ≤ 2)
- PostToolUse hook missing throttle, fires constantly