Address type safety and correctness issues from PR #26 review#30

Copilot wants to merge 2 commits intoclaude/debug-code-OlBzMgroupthinking/MyXstack:claude/debug-code-OlBzMfrom

copilot/sub-pr-26-yet-againgroupthinking/MyXstack:copilot/sub-pr-26-yet-againCopy head branch name to clipboard