- Show tool args in dim parenthetical: read_file(CLAUDE.md)
- Shorten CWD-relative paths in tool call display
- Show elapsed time on completed tool calls
- Emit StageStarted/StageCompleted for terminal (exit) nodes
- Add --no-retro flag to skip retro generation
- Add demo/02-tool-use.dot, renumber existing demos 03-07
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>