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```
**Runtime Behavior:**
1. Loads and validates experiment module
2. Resolves dataset (override or defined)
3. Creates VoltOps run (unless dry-run)
4. Processes items with concurrency limit
5. Applies scorers and aggregates results
6. Streams progress to stdout
7. Reports final summary and pass/fail
**Output Format:**
```
Running experiment: my-test
Dataset: test-data (100 items)
Concurrency: 4
Progress: [=====> ] 50/100 (50%)
Item 42 βœ“ (score: 0.95)
Item 43 βœ— (score: 0.45)
Summary:
- Success: 95/100 (95%)
- Mean Score: 0.92
- Pass Criteria: βœ“ PASSED
VoltOps Run: https://console.voltagent.dev/evals/runs/run_abc123
```
**Examples:**
```bash
# Basic run
npm run volt eval run -- --experiment ./experiments/qa-test.ts
# Override dataset
npm run volt eval run -- \
--experiment ./experiments/qa-test.ts \
--dataset production-qa-v2
# High concurrency
npm run volt eval run -- \
--experiment ./experiments/batch-test.ts \
--concurrency 20
# Local testing
npm run volt eval run -- \
--experiment ./experiments/dev-test.ts \
--dry-run
# CI/CD usage
npm run volt eval run -- \
--experiment ./experiments/regression.ts \
--tag github-actions \
--experiment-name "PR #123 Regression"
# Full options
npm run volt eval run -- \
--experiment ./src/experiments/comprehensive.ts \
--dataset large-dataset \
--experiment-name "Nightly Regression" \
--tag scheduled \
--concurrency 10
```
**Error Handling:**
- Missing experiment file β†’ Error with path
- Invalid experiment format β†’ Shows validation errors
- Dataset not found β†’ Lists available datasets
- VoltOps connection failed β†’ Falls back to local mode (with warning)
- Scorer errors β†’ Logged but doesn't stop run
- Ctrl+C β†’ Graceful shutdown with partial results
**Exit Codes:**
| Code | Description |
| ---- | ------------------------------- |
| 0 | Success - all pass criteria met |
| 1 | Failure - pass criteria not met |
| 2 | Error - execution error |
| 130 | Interrupted - user cancelled |
## Global Options
All commands support these global options:
| Option | Description |
| ------------ | ------------------------ |
| `--help` | Show help for command |
| `--version` | Show CLI version |
| `--verbose` | Enable debug logging |
| `--quiet` | Suppress progress output |
| `--no-color` | Disable colored output |
## Configuration