The Stop hook only runs a ~500ms visual flash; 20 seconds was far more than any realistic process-start latency needs, including the one-time native shim compile on Windows. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude Code adapter
Claude Code uses global CLAUDE.md, settings.json, skills, and agents under the user profile. This adapter supplies client metadata; semantic content remains in shared/.