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Jinwoo-H
c9216df2f2
Push-on-idle only fires on a live agent-status observation. That gate is right in intent — a seeded status is a memory, and typing plus Enter into an agent that went busy across a relaunch corrupts a real turn — but it has no way to ever resolve, because an idle agent TUI is silent. Claude paints its title on the working→idle edge and emits nothing afterwards, so a pane restored while its agent sits at the prompt never produces the frame the gate waits for. Mail addressed to it strands until a human gives the agent something unrelated to do, which is what makes it look like delivery is triggered by the user rather than by the mail. Probe instead of waiting. Quiescence across a window plus a recognized foreground agent establishes the same fact the missing title would have carried: a byte in the window means a spinner repaint, tool output, or a human mid-keystroke, and a foreground that is not a known agent means there is nothing there to wake. Neither is safe to submit into, and both are cheap to observe. The condition covers unknown status as well as a seeded idle. A cold relaunch returns its restore payload before the renderer publishes the graph, so the seed lands on a pty with no leaves and the pane comes back carrying no status at all — that, not the seeded idle, is the shape the restart e2e reproduces. 'working' and 'permission' are positive evidence of not-idle and never probe.