Issue study

Analyze the GitHub issue or issues specified in $ARGUMENTS.

For each issue:

1. Add the inprogress label to the issue via GitHub CLI. If this action fails, report that explicitly and continue.
2. Read the full issue, including all comments and linked issues or pull requests.
3. Do not trust analysis in the issue. Verify the behavior independently and derive the analysis from the code and execution path.

For a bug:

• Ignore root cause analysis in the issue. It is likely wrong.
• Read all related code files in full. Do not truncate them.
• Trace the code path and identify the actual root cause.
• Propose a fix.

For a feature request: