dsh-frontier-repro: DeepSeek Harness Frontier AI Research Evidence and Reproduction Gating

`dsh-frontier-repro` is a plugin in the DeepSeek Harness ecosystem focused on the reproduction of frontier AI research. It does not duplicate existing functionality but bridges the path from raw signals to versioned evidence packages and auditable reproduction decisions. The plugin integrates multi-source timelines, provides identity provenance and ranking, supports claim-level protocols and resource records, and enables deterministic dependency graph construction and reproduction workflow management through command-line tools such as evaluation, gating, and result logging.