[2.9.0] Rename plugin to compound-engineering

BREAKING: Plugin renamed from compounding-engineering to compound-engineering.
Users will need to reinstall with the new name:

  claude /plugin install compound-engineering

Changes:
- Renamed plugin directory and all references
- Updated documentation counts (24 agents, 19 commands)
- Added julik-frontend-races-reviewer to docs

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

plugins/compound-engineering/skills/create-agent-skills/templates/router-skill.md

@@ -0,0 +1,73 @@
+---
+name: {{SKILL_NAME}}
+description: {{What it does}} Use when {{trigger conditions}}.
+---
+
+<essential_principles>
+## {{Core Concept}}
+
+{{Principles that ALWAYS apply, regardless of which workflow runs}}
+
+### 1. {{First principle}}
+{{Explanation}}
+
+### 2. {{Second principle}}
+{{Explanation}}
+
+### 3. {{Third principle}}
+{{Explanation}}
+</essential_principles>
+
+<intake>
+**Ask the user:**
+
+What would you like to do?
+1. {{First option}}
+2. {{Second option}}
+3. {{Third option}}
+
+**Wait for response before proceeding.**
+</intake>
+
+<routing>
+| Response | Workflow |
+|----------|----------|
+| 1, "{{keywords}}" | `workflows/{{first-workflow}}.md` |
+| 2, "{{keywords}}" | `workflows/{{second-workflow}}.md` |
+| 3, "{{keywords}}" | `workflows/{{third-workflow}}.md` |
+
+**After reading the workflow, follow it exactly.**
+</routing>
+
+<quick_reference>
+## {{Skill Name}} Quick Reference
+
+{{Brief reference information always useful to have visible}}
+</quick_reference>
+
+<reference_index>
+## Domain Knowledge
+
+All in `references/`:
+- {{reference-1.md}} - {{purpose}}
+- {{reference-2.md}} - {{purpose}}
+</reference_index>
+
+<workflows_index>
+## Workflows
+
+All in `workflows/`:
+
+| Workflow | Purpose |
+|----------|---------|
+| {{first-workflow}}.md | {{purpose}} |
+| {{second-workflow}}.md | {{purpose}} |
+| {{third-workflow}}.md | {{purpose}} |
+</workflows_index>
+
+<success_criteria>
+A well-executed {{skill name}}:
+- {{First criterion}}
+- {{Second criterion}}
+- {{Third criterion}}
+</success_criteria>