review: triage AI reviewer feedback on PR #5

[EffortlessSteven]

Context

PR #5 has accumulated review comments from 5 AI reviewers (Copilot, CodeRabbit, Gemini, ChatGPT Codex, GitHub Advanced Security). Many comments may be outdated due to subsequent commits.

Tasks

• Triage all review threads — identify actionable vs stale
• Resolve or dismiss outdated comments
• Create issues for any remaining actionable feedback
• Confirm no blocking review comments before merge