gridbash-panes

Coordinate with sibling agent panes from inside a GridBash grid — list panes and their roles, read what a pane is currently doing, prompt one pane or every other pane, and rename pane titles so the grid shows who owns what. Use when running inside GridBash (GRIDBASH_CONTROL_ADDR is set) and the work involves delegating to another pane, checking a peer's progress, handing off, resolving a conflict, or labeling panes…