## 1. Data Models and Migrations

- [x] 1.1 Create ConfigProfile model with user ownership, name, description
- [x] 1.2 Create ConfigInclude model for ordered profile self-references
- [x] 1.3 Create ConfigMount model for mount/file definitions
- [x] 1.4 Add selected_profile_id to ToolInstance model
- [x] 1.5 Add default profile fields to UserConfig model
- [ ] 1.6 Create Alembic migration for new tables and columns
- [x] 1.7 Register new models in models/__init__.py
- [ ] 1.8 Add migration metadata and test

## 2. Legacy Deprecation

- [ ] 2.1 Mark config_folders.is_active as deprecated in model
- [ ] 2.2 Remove auto-mounting logic from tool launch (separate change)