Plan task P1.16. Header button on the fp.job form that opens the
JobWorkspace OWL client action focused on the current WO. Primary
entry point for techs before the Landing kanban (Phase 3) ships;
remains as a back-office shortcut after.
Hidden when state == 'draft' (no steps to work yet).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>