dsh-plugin-upgrade
PerryLink
Plugin-author upgrade skill for DeepSeek Harness: one package, one corridor index - it detects the caller peer band, routes to the matching closed corridor card (0.1.3-alpha.1 -> 0.1.5-rc.1, 0.1.5-rc.2 -> 0.1.6-alpha.2) and runs a zero-dependency seam scanner as a bundle skill + npx CLI.