diff --git a/adapters/common/__tests__/format.test.ts b/adapters/common/__tests__/format.test.ts
index 9ba63416..7815f704 100644
--- a/adapters/common/__tests__/format.test.ts
+++ b/adapters/common/__tests__/format.test.ts
@@ -118,8 +118,15 @@ describe('formatToolUse', () => {
 
     expect(result).toBe('🔧 Read  …/project/src/index.ts')
   })
+
+  it('shortens Windows paths in file tool summaries', () => {
+    const result = formatToolUse('Read', {file_path: 'C:\\Users\\test\\project\\src\\index.ts'})
+    
+    expect(result).toBe('🔧 Read  …/project/src/index.ts')
+  })
 })
 
+
 describe('formatPermissionRequest', () => {
   it('includes tool name, input preview, and request ID', () => {
     const result = formatPermissionRequest('Bash', { command: 'rm -rf /' }, 'abcde')