- Replace unsafe JSON string concatenation with jq in cmd_create() and cmd_update()
- Add HTTP status code checking and error message extraction in api_call()
- Prevent JSON injection vulnerabilities from special characters
- Improve error messages with actual API responses
- Add brain skill for Ideas/Brain API integration
- Quick capture for brain dumps
- Semantic search and query capabilities
- Full CRUD operations on ideas
- Tag management and filtering
- Shell script CLI with colored output
- Comprehensive documentation (SKILL.md, README.md)
- Configuration via env vars or ~/.config/mosaic/brain.conf