fix test

shared/src/messages.ts

@@ -6,6 +6,13 @@ type RoleWrappedRecord = {
     meta?: unknown
 }
 
+const VISIBLE_CLAUDE_SYSTEM_SUBTYPES = new Set([
+    'api_error',
+    'turn_duration',
+    'microcompact_boundary',
+    'compact_boundary'
+])
+
 export function isRoleWrappedRecord(value: unknown): value is RoleWrappedRecord {
     if (!isObject(value)) return false
     return typeof value.role === 'string' && 'content' in value
@@ -27,4 +34,16 @@ export function unwrapRoleWrappedRecordEnvelope(value: unknown): RoleWrappedReco
     return null
 }
 
+export function isClaudeChatVisibleSystemSubtype(subtype: unknown): subtype is string {
+    return typeof subtype === 'string' && VISIBLE_CLAUDE_SYSTEM_SUBTYPES.has(subtype)
+}
+
+export function isClaudeChatVisibleMessage(message: { type: unknown; subtype?: unknown }): boolean {
+    if (message.type !== 'system') {
+        return true
+    }
+
+    return isClaudeChatVisibleSystemSubtype(message.subtype)
+}
+
 export type { RoleWrappedRecord }