elixir-lsp

Defined inline in plugin.json manifest

{
  "SessionStart": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "diff -q \"${CLAUDE_PLUGIN_ROOT}/package.json\" \"${CLAUDE_PLUGIN_DATA}/package.json\" >/dev/null 2>&1 || (cd \"${CLAUDE_PLUGIN_DATA}\" && cp \"${CLAUDE_PLUGIN_ROOT}/package.json\" . && npm install --loglevel=error) || (rm -f \"${CLAUDE_PLUGIN_DATA}/package.json\" && false)"
        }
      ]
    }
  ]
}

"Executes para-session-start.sh shell script on SessionStart event for custom session initialization. No bash execution or file writes."