Adds comprehensive design for how wisps squash to digests: - Cadences: patrol wisps squash per-cycle, work wisps on completion - Templates: structured formats for patrol and work digests, formula-defined - Retention: 30d active, 1yr archive, weekly/monthly rollups - Activity feed integration for observability 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>