chore: version packages (1.31.0)

* chore: version packages

* chore: sync CLAUDE.md version to 1.31.0

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Codeman maintainer <noreply@anthropic.com>

plugins/codeman/.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "codeman",
   "description": "Drive Codeman, the self-hosted session manager for AI coding agents, from inside a Claude Code session: spawn worker sessions, prompt them, wait for them, read their answers, clean up. Acts only inside a Codeman-managed session.",
-  "version": "1.30.0",
+  "version": "1.31.0",
   "author": {
     "name": "Ark0N",
     "url": "https://github.com/Ark0N"