[BUG] /usage command fails to load data

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

The /usage command in Claude Code CLI fails with error "Failed to load usage data" instead of displaying usage statistics.

Steps to Reproduce

1. Open Claude Code CLI (version 2.0.24)
2. Run the /usage command
3. Observe the error message

Expected Behavior

The /usage command should display usage statistics including token consumption and API metrics across the Settings, Status, Config, and Usage tabs.

Actual Behavior

───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
 Settings:  Status   Config   Usage   (tab to cycle)

 Error: Failed to load usage data

Environment

• Claude Code Version: 2.0.24
• OS: Ubuntu 24.04.1 LTS (WSL2 on Windows)
• Kernel: Linux 6.6.87.2-microsoft-standard-WSL2
• Node.js: v22.20.0
• npm: 10.9.3
• Platform: linux (WSL2)

What Should Happen?

Claude should display usage

Error Messages/Logs

Steps to Reproduce

Steps to Reproduce

1. Open Claude Code CLI (version 2.0.24)
2. Run the /usage command
3. Observe the error message

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.0.24 (Claude Code)

Platform

Anthropic API

Operating System

Ubuntu/Debian Linux

Terminal/Shell

Cursor

Additional Information

_No response_