[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/commands/reproduce-bug.md

@@ -0,0 +1,27 @@
+---
+name: reproduce-bug
+description: Reproduce and investigate a bug using logs and console inspection
+argument-hint: "[GitHub issue number]"
+---
+
+Look at github issue #$ARGUMENTS and read the issue description and comments.
+
+Then, run the following agents in parallel to reproduce the bug:
+
+1. Task rails-console-explorer(issue_description)
+2. Task appsignal-log-investigator (issue_description)
+
+Then think about the places it could go wrong looking at the codebase. Look for loggin output we can look for.
+
+Then, run the following agents in parallel again to find any logs that could help us reproduce the bug.
+
+1. Task rails-console-explorer(issue_description)
+2. Task appsignal-log-investigator (issue_description)
+
+Keep running these agents until you have a good idea of what is going on.
+
+**Reference Collection:**
+
+- [ ] Document all research findings with specific file paths (e.g., `app/services/example_service.rb:42`)
+
+Then, add a comment to the issue with the findings and how to reproduce the bug.