- Add detailed Chinese comments across all shortcut modules explaining
parameter mappings (CLI→API field names), batch processing patterns,
and design decisions
- Mark P1 Bug#1: issue +create --label not written to request body
- Mark P1 Bug#2: hardcoded 'master' replaced with GetDefaultBranch()
- Mark P1 Bug#3: +diff and +files deduplicated into +version-diff
- Add P2 parameter annotations for sort/filter/milestone fields
- Add P4 improvement notes for HTTP error suggestions
- Reorder ProcessBatch function for better readability