BRF Benchmark Registry v2.1

Snapshots and audit results of the BRF Benchmark Registry v2.1: 51 group-aware benchmarks (58 entries) with reliability verdicts — 42 Reliable, 9 Void, 0 Fragile. Includes per-benchmark audit cards, SHA-256 provenance (35 file-backed + 16 prepare-level), source module mappings (45 modules), and versioning policy. PISA 2015 re-encoded from the official OECD PUF. Companion to the BRF Benchmark Reliability Framework (PyPI: benchmark-reliability, v0.3.0).