Add structured documentation for the Jus IA external tools brainstorming project:
- Research context on AI legal tools in Brazil and lawyer pain points
- Full brainstorm with 23 ideas across 5 categories
- 4 selected ideas with detailed descriptions: Prompt Library, Legal Calculator,
Productivity Dashboard, and Prompts Community
- README with project overview, principles, and next steps
https://claude.ai/code/session_01CvrcMDqfCKWV2hC3xpRbx3