Address pending technical debt and TODOs

[cferrys]

Summary

Multiple TODOs and FIXMEs were identified in the codebase that require attention to maintain code quality.

Context

Scanning the codebase revealed several areas marked for improvement, including:

Proposed Implementation

1. Categorize identified TODOs by priority.
2. Address high-priority items related to error handling and performance.
3. Convert remaining items into tracked GitHub issues.

Impact

Improves codebase reliability and reduces the risk of silent failures in critical paths.