From 8a951016e9fee27270b8ec657c3fd093328836ec Mon Sep 17 00:00:00 2001
From: spoons-and-mirrors
 <212802214+spoons-and-mirrors@users.noreply.github.com>
Date: Sun, 14 Dec 2025 00:01:50 +0100
Subject: [PATCH] Prevents compacted tools from appearing in the prunable tools
 list

---
 lib/messages/prune.ts   | 3 +++
 lib/state/tool-cache.ts | 1 +
 lib/state/types.ts      | 1 +
 3 files changed, 5 insertions(+)

diff --git a/lib/messages/prune.ts b/lib/messages/prune.ts
index cb0ba18a..fc97aee6 100644
--- a/lib/messages/prune.ts
+++ b/lib/messages/prune.ts
@@ -24,6 +24,9 @@ const buildPrunableToolsList = (
         if (config.strategies.pruneTool.protectedTools.includes(toolParameterEntry.tool)) {
             return
         }
+        if (toolParameterEntry.compacted) {
+            return
+        }
         const numericId = toolIdList.indexOf(toolCallId)
         const paramKey = extractParameterKey(toolParameterEntry.tool, toolParameterEntry.parameters)
         const description = paramKey ? `${toolParameterEntry.tool}, ${paramKey}` : toolParameterEntry.tool
diff --git a/lib/state/tool-cache.ts b/lib/state/tool-cache.ts
index 854aaaab..3325367c 100644
--- a/lib/state/tool-cache.ts
+++ b/lib/state/tool-cache.ts
@@ -31,6 +31,7 @@ export async function syncToolCache(
                         parameters: part.state?.input ?? {},
                         status: part.state.status as ToolStatus | undefined,
                         error: part.state.status === "error" ? part.state.error : undefined,
+                        compacted: part.state.status === "completed" && !!part.state.time.compacted,
                     }
                 )
 
diff --git a/lib/state/types.ts b/lib/state/types.ts
index 89fc8e7f..e1b92a77 100644
--- a/lib/state/types.ts
+++ b/lib/state/types.ts
@@ -12,6 +12,7 @@ export interface ToolParameterEntry {
     parameters: any
     status?: ToolStatus
     error?: string
+    compacted?: boolean
 }
 
 export interface SessionStats {