[Bug]: Tool Abort in ECC Leads to Deadlock in ecc-wrapper

[Emin017]

Self checks

• I have searched existing issues, including closed issues.
• I have read the documentation and development guide.
• This is a bug report, not a question, feature request, or usage discussion.
• I will include logs, command output, or reproducer files where they help diagnose the issue.
• I have removed secrets, private paths, tokens, and other sensitive information from the report.

ECC version

v0.1.0-alpha.6

Affected area

CLI

How did you get ECC?

Release PyInstaller bundle

Where are you running ECC?

Native Linux

Environment

NixOS, Linux 6.18.38, AMD64

Toolchain, PDK, and dependency context

No response

Steps to reproduce

When a tool aborts at a certain point in ECC, the ecc-wrapper remains blocked and waits indefinitely. This requires manual termination of the process to proceed.

Expected behavior

Exit the process.

Actual behavior

Blocked.

Logs or command output

No response

Additional context

No response