Eleven tasks over the approved spec: build info and About, the plotter's
ctrl/alt axis-restricted zoom, 14 help pages, the accelerator table and
overview window, the app key controller, and the two-tier status bar.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Seven tasks, each ending in a probe assertion rather than a unit test -- this
project's regression net is the headless probes, not a suite. The spec's
multicast round trip is split across three tasks so nothing in the plan needs a
group this machine can join.
