From 93f4087da2d856798cdb67434da634ed98b790e9 Mon Sep 17 00:00:00 2001
From: Daniel Smolsky <dannysmo@gmail.com>
Date: Wed, 24 Dec 2025 14:45:35 -0500
Subject: [PATCH] Add line range info to read tool display

---
 lib/messages/utils.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/messages/utils.ts b/lib/messages/utils.ts
index 4bf2212f..ca01bc7c 100644
--- a/lib/messages/utils.ts
+++ b/lib/messages/utils.ts
@@ -70,6 +70,17 @@ export const extractParameterKey = (tool: string, parameters: any): string => {
     if (!parameters) return ""
 
     if (tool === "read" && parameters.filePath) {
+        const offset = parameters.offset
+        const limit = parameters.limit
+        if (offset !== undefined && limit !== undefined) {
+            return `${parameters.filePath} (lines ${offset}-${offset + limit})`
+        }
+        if (offset !== undefined) {
+            return `${parameters.filePath} (lines ${offset}+)`
+        }
+        if (limit !== undefined) {
+            return `${parameters.filePath} (lines 0-${limit})`
+        }
         return parameters.filePath
     }
     if (tool === "write" && parameters.filePath) {