feat: companies CRUD with person dialog integration and navigation

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

api/app/Http/Resources/Api/V1/CompanyResource.php

@@ -19,6 +19,7 @@ final class CompanyResource extends JsonResource
             'contact_name' => $this->contact_name,
             'contact_email' => $this->contact_email,
             'contact_phone' => $this->contact_phone,
+            'persons_count' => $this->whenCounted('persons'),
             'created_at' => $this->created_at->toIso8601String(),
         ];
     }