WayneJin0918/dsh-wm: World Model Check, Comparison, and RSI Plugin for DeepSeek Harness

`WayneJin0918/dsh-wm` is a pure JavaScript world model debugging toolkit for DeepSeek Harness (DSH), designed to simplify rollout frame inspection, pred/gt comparison, and research iteration workflows. This plugin supports Node.js 18+, allowing quick start via `fixtures/sunset` without requiring a GPU; video input relies on ffmpeg. Core functions include `wm_inspect` for sampling keyframes to generate contact sheets and analyzing brightness and color; `wm_view` for generating self-contained HTML comparison pages containing SSIM timelines, difference heatmaps, etc.; and `wm_rollout_diff` for calculating SSIM/MSE metrics and...