fix: remove StandardV2 from workspace-supported SKUs

StandardV2 does not support workspaces (Premium tier only).
Reverts the StandardV2 portion of #128 that was missed in #129.

Closes #135

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: Peter Hauge

src/models/resource-types.ts

@@ -41,7 +41,7 @@ export enum ResourceType {
   GraphQLResolverPolicy = 'GraphQLResolverPolicy',
   /** MCP (Model Context Protocol) server configuration per API. Singleton per API. */
   McpServer = 'McpServer',
-  /** Workspace container (Premium and all V2 SKUs). */
+  /** Workspace container (Premium/PremiumV2 only). */
   Workspace = 'Workspace',
 }
 

tests/integration/all-resource-types/Compare-ApimInstance.ps1

@@ -758,7 +758,7 @@ try {
         }
     }
     catch {
-        Write-Host "  ⚠️  Workspaces not available (requires Premium or V2 SKU): $_" -ForegroundColor Yellow
+        Write-Host "  ⚠️  Workspaces not available (requires Premium/PremiumV2): $_" -ForegroundColor Yellow
     }
 
     # ── Summary ─────────────────────────────────────────────────────────────

tests/integration/all-resource-types/bicep/source-apim.bicep

@@ -49,7 +49,7 @@ param logAnalyticsName string = 'bvt-${uniqueString(resourceGroup().id)}-src-law
 var isClassicSku = skuName == 'Developer' || skuName == 'Premium' || skuName == 'Standard'
 var apimSkuCapacity = isClassicSku ? 1 : 1
 var supportsSelfHostedGateway = skuName == 'Developer' || skuName == 'Premium'
-var supportsWorkspaces = skuName == 'Premium' || skuName == 'StandardV2' || skuName == 'PremiumV2'
+var supportsWorkspaces = skuName == 'Premium' || skuName == 'PremiumV2'
 
 // Minimal but valid OpenAPI 3.0 spec
 var openApiSpec = '''

tests/integration/all-resource-types/expected-structure.json

@@ -4,7 +4,7 @@
   "version": "1.0.0",
   "skuVariants": {
     "note": "Some resources only exist on certain SKUs",
-    "workspaces": ["Premium", "StandardV2", "PremiumV2"],
+    "workspaces": ["Premium", "PremiumV2"],
     "selfHostedGateways": ["Developer", "Premium"]
   },
   "serviceLevelArtifacts": {
@@ -633,9 +633,9 @@
     }
   },
   "workspaces": {
-    "note": "Workspaces exist on Premium and StandardV2/PremiumV2 (BasicV2 blocked by MethodNotAllowedInPricingTier as of June 2026)",
+    "note": "Workspaces only available on Premium/PremiumV2 (StandardV2 and BasicV2 blocked by MethodNotAllowedInPricingTier as of June 2026)",
     "skuDependent": true,
-    "skuFilter": ["Premium", "StandardV2", "PremiumV2"],
+    "skuFilter": ["Premium", "PremiumV2"],
     "expected": [
       {
         "name": "src-workspace",