Fix duplicate agent name collisions (#554)

* fix: namespace duplicate agent names

* fix: format duplicate-name regression test

* fix: align command phase output references

* docs: clarify agent naming formula

plugins/codebase-cleanup/agents/code-reviewer.md

@@ -1,5 +1,5 @@
 ---
-name: code-reviewer
+name: codebase-cleanup-code-reviewer
 description: Elite code review expert specializing in modern AI-powered code analysis, security vulnerabilities, performance optimization, and production reliability. Masters static analysis tools, security scanning, and configuration review with 2024/2025 best practices. Use PROACTIVELY for code quality assurance.
 model: opus
 ---

plugins/codebase-cleanup/agents/test-automator.md

@@ -1,5 +1,5 @@
 ---
-name: test-automator
+name: codebase-cleanup-test-automator
 description: Master AI-powered test automation with modern frameworks, self-healing tests, and comprehensive quality engineering. Build scalable testing strategies with advanced CI/CD integration. Use PROACTIVELY for testing automation or quality assurance.
 model: sonnet
 ---