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5-phase TDD plan with 28+ tasks executing the spec at docs/superpowers/specs/2026-05-22-shopfloor-tablet-redesign-design.md: - Phase 1: Workspace foundation — 5 shared OWL services (WorkflowChip, GateViz, SignaturePad, HoldComposer, KanbanCard), JobWorkspace OWL client action, workspace_controller with 4 endpoints, display_wo_name + blocker_* computes, smart button on fp.job form. - Phase 2: Auto-pause cron (fixes 411h ghost timer), late_risk_ratio + active_step_id computes, long_running flag on process node, ACL lift for operator (cert write, thickness create, override read). - Phase 3: Landing refactor — fp_shopfloor_landing replaces fp_shopfloor_tablet + folds in fp_plant_overview. Station-scoped kanban with All Plant toggle. - Phase 4: Manager dashboard refactor — 4 sibling tabs (Workflow Funnel, Approval Inbox, At-Risk, existing Plant Board), 3 new endpoints, bottleneck_score on fp.work.centre, 2 new KPI tiles. - Phase 5: Cleanup — remove deprecation stubs, retire plant_overview menu, update CLAUDE.md + README. Each phase ships independently; each task is a self-contained TDD cycle (write test → fail → implement → pass → commit). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>