Add/mcp and visma (#547)

* fix: simplify COMING_SOON_PROVIDERS to include only bjornlunden and briox

* feat: add supplier creation functionality and related operations

* feat: reorder and enhance OAuth scopes in Visma integration

* feat: implement create supplier functionality with validation and risk tier management

lib/providers/visma/oauth.ts

@@ -7,24 +7,29 @@ import {
 } from '@/lib/http/fetch-with-timeout';
 
 const DEFAULT_SCOPES = [
-  'offline_access',
   'ea:api',
+  'offline_access',
   'ea:sales',
   'ea:accounting',
   'ea:purchase',
-  'vls:api',
 ];
 
 const EACCOUNTING_ACR_VALUE = 'service:44643EB1-3F76-4C1C-A672-402AE8085934';
 
+const ALLOWED_PROMPT_VALUES = new Set(['none', 'login', 'consent', 'select_account']);
+
 export function buildVismaAuthUrl(
   config: OAuthConfig,
-  options?: { scopes?: string[]; state?: string; acrValues?: string },
+  options?: { scopes?: string[]; state?: string; acrValues?: string; prompt?: string },
 ): string {
+  const promptCandidate = options?.prompt ?? 'select_account';
+  const prompt = ALLOWED_PROMPT_VALUES.has(promptCandidate) ? promptCandidate : 'select_account';
+
   const params = new URLSearchParams({
     client_id: config.clientId,
     redirect_uri: config.redirectUri,
     response_type: 'code',
+    prompt,
     acr_values: options?.acrValues ?? EACCOUNTING_ACR_VALUE,
   });