Set up Discord plugin for team communication

[abdout]

Context

Discord plugin is available at .claude/plugins/marketplaces/claude-plugins-official/external_plugins/discord/.
Setup guide at .claude/scripts/setup-discord.md.

Steps

1. Create Discord application at discord.com/developers
2. Create bot with Message Content Intent
3. /plugin install discord@claude-plugins-official
4. /discord:configure <token>
5. Launch with claude --channels plugin:discord@claude-plugins-official
6. Pair + set allowlist policy

Why

Enables captain to communicate with Ali, Samia, Sedon via Discord.
Free alternative to Slack for team coordination.