What: When startup profiling is enabled, reports are now saved to persistent files for later analysis.
How to use:
export CLAUDE_CODE_PROFILE_STARTUP=1
claude <command>
# Report saved to: ~/.claude/startup-perf/<timestamp>.txtDetails:
- Previously only logged to console (ephemeral)
- Now saves to
~/.claude/startup-perf/<timestamp>.txt - Directory created automatically if missing
- Still logs to console in addition to file
- Evidence:
WV9()at line 507095,cP3()at line 507106