- Migration: add project_id FK to settings_locations
- Models: ProjectSetting hasMany Location, Location belongsTo ProjectSetting
- Settings: /settings/projects page — manage projects and their sub-locations (two-panel UI)
- Sidebar: Projects nav item under Settings group
- Routes: 7 new settings/projects routes (Admin only)
- Modal: project_name and location fields now cascading dropdowns populated from settings_projects/settings_locations
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>