Method write

crates/coding-agent/src/spinner.rs:44–49

(&self, bytes: &[u8])

struct StderrSink;
impl SpinnerSink for StderrSink {
    fn write(&self, bytes: &[u8]) {
        use std::io::Write;
        let mut err = std::io::stderr();
        let _ = err.write_all(bytes);
        let _ = err.flush();
    }
}

/// Test sink that appends every write to an in-memory buffer. Public-but-test-only so