DSH Action Parity: Verifying Whether CLI, MCP, and GUI Reach the Same Action Core

`dsh-action-parity` is a plugin in the DeepSeek Harness ecosystem used to verify that CLI, MCP, and GUI all point to the same stable action core. It does not execute business actions but generates consistency evidence by checking binding declarations, content-addressed hashes, fixture replay results, and state transitions. This plugin ensures that multiple entry points produce consistent result summaries, success statuses, and version migrations for the same input, enforces verification of actions requiring confirmation across all interfaces, and outputs failure evidence as deterministic reports. Its core features include validating `actionId` consistency, SHA-256 content addressing, rejecting inputs containing sensitive information or illegal paths, and enforcing atomic publishing with read-back verification. Installation requires Node.js >=22, and it can