Design for /gcal command following the Gmail pattern: - Subcommands: today, tomorrow, week, next, summary - Hybrid interface (subcommands + natural language) - Tiered delegation (Haiku for fetch, Sonnet for analysis) - Reuses existing OAuth credentials with added Calendar scope 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>