# Data Validation Template

```markdown
# Data Validation

## Dataset Identity
- dataset:
- source:
- expected split:

## Reality Check
- files present:
- real or mock:
- evidence:

## Split Integrity
- train split:
- val split:
- test split:
- leakage risk:

## Label / Target Health
- label format:
- distribution or range:
- obvious anomalies:

## Preprocessing Check
- expected preprocessing:
- observed preprocessing:
- mismatch:

## Verdict
- PASS / NEEDS_REVISION / BLOCKED

## Next Step
- recommended command:
- reason:
```