Background Task Input/Output Parsing

What: Added support for structured input/output in background tasks using XML-like tags How to use:

# Background tasks can now parse and display structured content
# with <background-task-input> and <background-task-output> tags
claude --some-command &

Details:

• Enables better formatting and organization of background task communication
• Supports tagged content for clearer task progress tracking
• Improves integration between background processes and the main conversation
• Evidence: GA1() at line 410790 and bbB() at line 410805 (new functions not present in v1.0.100)