Method refresh

src/monitor.rs:256–261

Re-read the mmap to pick up new writes.

(&mut self)

    /// Re-read the mmap to pick up new writes.
    pub fn refresh(&mut self) -> std::io::Result<()> {
        let mmap_path = self.dir.join(MMAP_FILENAME);
        let file = std::fs::OpenOptions::new().read(true).open(&mmap_path)?;
        self.mmap = unsafe { memmap2::Mmap::map(&file)? };
        Ok(())
    }
}

// ── TUI (tracedecay monitor command) ────────────────────────────────