JobWorkspace, ShopfloorLanding, ManagerDashboard, and the embedded
FpHoldComposer now call fpRpc() for write-path endpoints (start/finish
step, hold create, sign-off, milestone advance, work-centre move,
assign-worker, assign-tank, manager takeover). fpRpc auto-injects
tablet_tech_id from the tech_store so the server can rebind env via
env_for_tablet_tech() and credit the right user.
Read-path RPCs (workspace/load, landing/kanban, manager/overview,
manager/funnel, manager/approval_inbox, manager/at_risk, shopfloor/scan)
stay as plain rpc() — no audit benefit, no need for the extra plumbing.
Also wires tablet_tech_id into /fp/shopfloor/plant_overview/move_card
which I missed in P6.3.3 — surfaced when grepping JS for write callers.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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