Terminal exit error handling

[juliusmarminge]

Auto-close the terminal on exit and suppress benign write errors that occur during shutdown.

Commands like exit should gracefully close the terminal without displaying error messages, treating such "failures" as normal terminal behavior rather than hard errors.

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Note

Handle terminal exit errors by invoking components.TerminalViewportProps.onCloseTerminal from components.TerminalViewport and remove system messages in ThreadTerminalDrawer.tsx

Add onCloseTerminal to components.TerminalViewportProps and call it when write errors match terminal-errors.isIgnorableTerminalWriteError or on exited; update ThreadTerminalDrawer to pass the callback; add tests for isIgnorableTerminalWriteError and implement the utility in terminal-errors.ts.

📍Where to Start

Start with the TerminalViewport component changes in ThreadTerminalDrawer.tsx, then review isIgnorableTerminalWriteError in terminal-errors.ts.

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