feat: add version parsing function to extract version from DSL content

web/utils/template.ts

@@ -9,6 +9,7 @@ type GraphPayload = {
 }
 
 type DslPayload = {
+  version?: string | number
   workflow?: {
     graph?: GraphPayload
   }
@@ -42,6 +43,21 @@ export const parseGraphFromDsl = (dslContent: string): ParsedGraph => {
   }
 }
 
+export const parseDslVersionFromDsl = (dslContent: string): string | null => {
+  if (!dslContent)
+    return null
+
+  try {
+    const data = yamlLoad(dslContent) as DslPayload
+    if (data?.version === undefined || data?.version === null)
+      return null
+    return String(data.version)
+  }
+  catch {
+    return null
+  }
+}
+
 type UsedCountFormatOptions = {
   precision?: number
   rounding?: 'round' | 'floor'