dsh-lineage: Lineage Evidence Plugin for DeepSeek Harness

dsh-lineage is an MIT-licensed plugin (v0.2.0, requiring Node.js 22+) developed by dongsheng123132, designed to build a locally verifiable object graph for artifacts, verified-fact records, actions, and reports in DSH workflows. It resolves references within the workspace and computes SHA-256 hashes to validate node states (verified/missing/stale), detect dangling references, cycles, and invalid relationships, ensuring upstream and downstream evidence integrity without silently promoting missing objects to facts. Core features include object graph validation and an append-only ledger, supporting idempotent replay and strict path boundaries, while rejecting