Validation
Trust comes from measurement. One ablation even showed direct SQL access didn't help — the bottleneck was structure, not access.
Aggregate accuracy95%
Adversarial review → accuracy+6%
Adversarial review → tokens+32%
Adversarial review → latency+72%
| Method | What it does | Type |
|---|---|---|
| Dashboard-based evals | Auto-generated, human-validated ground truth | Offline |
| Long-tail evals | LLM-generated from business context | Offline |
| Ablation testing | Isolate which component actually moves accuracy | Offline |
| Adversarial review | A second pass that critiques the answer | Online |
| Provenance footers | Show data source tier and freshness | Online |
| Correction harvesting | Turn stakeholder fixes into automated PRs | Online |