The board was read-only; you can now drive the agent+human JIT workflow from the
local control pane.
- New shared scripts/lib/control-pane/work-item-mutations.js (claimWorkItem,
moveWorkItem) so the CLI and server never diverge; work-items.js claim now
delegates to it.
- server.js: gated POST /api/work-items/:id/claim and /:id/move (localhost-only,
honors --read-only with 403). Claim sets owner + assigneeKind and moves to
running; move retargets the kanban lane.
- ui.js: per-card Claim (on unassigned cards) + lane buttons that POST and
refresh; 15s live auto-refresh (paused when the tab is hidden).
- Tests: interactive claim/move endpoints, read-only 403, invalid-lane 400, and
snapshot reflects mutations.
Full suite 2845/2845; lint green.
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