fix(machines): guard Convex getById calls with 'skip' when missing id to avoid ArgumentValidationError; add unit test for getById metadata; fix build by loosening Prisma types in company service

src/app/api/admin/companies/route.ts

@@ -43,9 +43,9 @@ export async function POST(request: Request) {
 
     const company = await prisma.company.create({
       data: {
-        ...buildCompanyData(form, tenantId),
+        ...(buildCompanyData(form, tenantId) as any),
         provisioningCode,
-      },
+      } as any,
     })
 
     if (company.provisioningCode) {