diff --git a/src/live.ts b/src/live.ts
index 4a3db6d..5c08ef9 100644
--- a/src/live.ts
+++ b/src/live.ts
@@ -153,7 +153,7 @@ export function applyCheck(items: LiveItem[], passed: boolean, reason: string):
 
 /** A child streams cumulative previews. Replace that child's latest preview in
  * place, while preserving real phase changes and the order of other children. */
-export function applyAgentProgress(items: LiveItem[], agentRun: string, note: string): LiveItem[] {
+function applyAgentProgress(items: LiveItem[], agentRun: string, note: string): LiveItem[] {
   const text = note.trim()
   if (!text) return items
   for (let i = items.length - 1; i >= 0; i--) {