[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/compound-docs/assets/critical-pattern-template.md

@@ -0,0 +1,34 @@
+# Critical Pattern Template
+
+Use this template when adding a pattern to `docs/solutions/patterns/cora-critical-patterns.md`:
+
+---
+
+## N. [Pattern Name] (ALWAYS REQUIRED)
+
+### ❌ WRONG ([Will cause X error])
+```[language]
+[code showing wrong approach]
+```
+
+### ✅ CORRECT
+```[language]
+[code showing correct approach]
+```
+
+**Why:** [Technical explanation of why this is required]
+
+**Placement/Context:** [When this applies]
+
+**Documented in:** `docs/solutions/[category]/[filename].md`
+
+---
+
+**Instructions:**
+1. Replace N with the next pattern number
+2. Replace [Pattern Name] with descriptive title
+3. Fill in WRONG example with code that causes the problem
+4. Fill in CORRECT example with the solution
+5. Explain the technical reason in "Why"
+6. Clarify when this pattern applies in "Placement/Context"
+7. Link to the full troubleshooting doc where this was originally solved