• Support screen size change notifications

    From Deucе@VERT to GitLab note in main/sbbs on Sunday, March 30, 2025 18:52:42
    https://gitlab.synchro.net/main/sbbs/-/issues/886#note_6955

    When this happens, the current position, line counter, etc. all become unknown... we'll likely need to query at least the cursor position.

    Some terminals send many resize events when dragging as well, so processing may need to be deferred in some way.

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