aprender 0.31.2

Next-generation ML framework in pure Rust — `cargo install aprender` for the `apr` CLI
Documentation
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<!-- Example: cargo run -p aprender-core --example data_quality_pipeline -->
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# Data Quality Pipeline

Demonstrates the full data quality pipeline for fine-tuning (GH-453):

1. **PII filtering** -- detection and redaction of emails, IPs, etc.
2. **Quality scoring and filtering** -- length, diversity, repetition, structure
3. **EvolKit-style instruction evolution** -- complexity enhancement

## Run

```bash
cargo run --example data_quality_pipeline
```

## Source

```rust,ignore
// Run this example:
//   cargo run --example data_quality_pipeline
//
// See the CLI reference and source code in crates/ for implementation details.
```