[2.30.0] Add orchestrating-swarms skill, /slfg command, and swarm mode (#151)

- New skill: orchestrating-swarms — comprehensive guide to multi-agent
  swarm orchestration with TeammateTool operations, spawn backends,
  task dependencies, and orchestration patterns
- New command: /slfg — swarm-enabled variant of /lfg that parallelizes
  review + browser tests after work phase, then resolves and records video
- Updated /workflows:work with optional Swarm Mode section
- Added missing skills (brainstorming, orchestrating-swarms) to README
- Added missing commands (/lfg, /slfg) to README

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

plugins/compound-engineering/.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "compound-engineering",
-  "version": "2.29.0",
-  "description": "AI-powered development tools. 29 agents, 24 commands, 16 skills, 1 MCP server for code review, research, design, and workflow automation.",
+  "version": "2.30.0",
+  "description": "AI-powered development tools. 29 agents, 25 commands, 16 skills, 1 MCP server for code review, research, design, and workflow automation.",
   "author": {
     "name": "Kieran Klaassen",
     "email": "kieran@every.to",