- Delete org API endpoints (add_member, create, del, get, list, member, patch, tree)
- Delete models/org.go and remove Org/OrgMember models
- Delete org-related test files (org_crud, org_load_middleware, org_permission, multi_tenant)
- Delete org test scripts (03_org_permission.sh, 04_org_load_middleware.sh)
- Simplify auth/auth.go by removing org context and role loading logic
- Remove org claims from JWT tokens and login/register responses
- Redesign Permission model with hierarchical level-based access control
- Add auth/design.md with new permission system specification
- Update user and role APIs to work without org context
- Add 'clean_run.sh' script to reset database and restart server for clean test environment
- Update 'README.md' with detailed troubleshooting guide and pitfalls
- Add '04_org_load_middleware.sh' to test LoadOrg middleware functionality
- Update 'run_all.sh' to include new middleware test
- Fix BASE_URL handling in 'lib.sh' and test scripts to support custom environments
- Update '02_resource_perm.sh' to fix admin permission checks
- Remove debug logging from 'auth.go'