[Bug] File path truncation when using @ file references after upgrade

Bug Description
after claude code version upgrade, when i use @ to refer to file in the source code directory, full filenames are omitted and cut off

Environment Info

• Platform: darwin
• Terminal: ghostty
• Version: 2.1.5
• Feedback ID: 71a36c99-06b8-4368-9243-55ab36c7fbe5

Errors

[{"error":"Error: Request was aborted.\n    at qP.makeRequest (file:///Users/user/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:914:3940)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2026-01-12T02:49:04.532Z"}]

<img width="634" height="194" alt="Image" src="https://github.com/user-attachments/assets/65ec67f8-e4ab-4170-8a0c-b7dbed72b772" />