Verification is optional and the agent's job; the form stays open with a receipt; panes fall back to a shell

bin/board

@@ -43,7 +43,7 @@ def pages(cfg, folder):
     # (pane name, workspace name, command). The workspace is what a person reads
     # on the rail, so it is capitalised and says what the page is for; the pane
     # keeps the program's own name. Written Workspace>pane when talking about it.
-    return task, [
+    task_pages = [
         ("shell", "Shell", "exec zsh -i"),
         ("board", "Board", "%s -screen board -project %s -folder %s" % (shlex.quote(bin_path), proj, shlex.quote(folder))),
         ("work", "Work", "%s -screen work -folder %s" % (shlex.quote(bin_path), shlex.quote(folder))),
@@ -53,6 +53,10 @@ def pages(cfg, folder):
         ("project", "Project", "%s -screen project -folder %s" % (shlex.quote(bin_path), shlex.quote(folder))),
         ("repair", "Repair", "%s -screen repair -folder %s" % (shlex.quote(bin_path), shlex.quote(folder))),
     ]
+    # Every pane falls back to a shell, so a program that exits never leaves a
+    # dead pane behind: it returns to a prompt in the project folder.
+    pages = [(n, w, c if n == "shell" else c + "; exec zsh -i") for n, w, c in task_pages]
+    return task, pages
 
 
 def main():