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@lhwzds lhwzds commented Sep 26, 2025

What?

Fixed error handling in insert_history_lines_to_writer where all terminal operations were silently ignoring errors via .ok().

Why?

Silent I/O failures could leave the terminal in an inconsistent state (e.g., scroll region not reset) with no way to debug. This violates Rust error handling best practices.

How?

  • Changed function signature to return io::Result<()>
  • Replaced all .ok() calls with ? operator to propagate errors
  • Added tracing::warn! in wrapper function for backward compatibility
  • Updated 15 test call sites to handle Result with .expect()

Testing

  • ✅ Pass all tests

Type of Change

  • Bug fix (non-breaking change)

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