Brownfield Onboarder - Intelligent CLAUDE.md Merger

Purpose: Intelligently merge existing CLAUDE.md backups into SpecWeave's structure without bloating the main CLAUDE.md file.

When to Use: After installing SpecWeave into an existing project that had CLAUDE.md

Philosophy: Keep CLAUDE.md as a concise guide, distribute detailed content to appropriate SpecWeave folders.

Modes: Supports both Quick Start (incremental) and Comprehensive (upfront) approaches 🆕

Two-Mode Support 🆕

The brownfield-onboarder works differently based on the chosen documentation path:

Philosophy: Merge only essential context, defer detailed docs to per-increment