The UrlGenerationException was occurring because the configure() method was overwritten
without properly defining the columns, causing route() calls to receive null parameters.
Restored the original column definitions while keeping the clean configure() structure.
- Created Company model and migration with fields: name, tax_id, address, phone, email, website, type, notes
- Created company_project pivot table with role_in_project field
- Added relationships: Project.companies() and Company.projects()
- Created Livewire component ProjectCompanies for managing company assignments
- Added 'Companies' tab to project edit interface alongside Phases and Users tabs
- Implemented assign/remove company functionality with role selection
- Applied same permissions logic as user assignment (assign users permission or Admin role)
javier