Defabric

you       › "What's pending on Extrusion 1? Re-plan it if needed."director  → production.lead            delegateproduction→ extrusion.coord            delegateextrusion · pending_to_make(center: "Extrusion 1")          ✓ read · demo dataextrusion · propose_schedule(order: DEMO-1042, …)          → draft · no write · single-use · 15:00⏸ awaiting human approvalyou       ✓ Confirm · runs with your tokenapi       re-verify → unchanged → write ok · audit

// Shape of a gated tool (simplified sketch, not production code)
export const proposeSchedule = defineTool({
  name: "propose_schedule",
  team: ["production"],             // ∩ user permissions
  requires: "production.schedule.write",
  async run(input, ctx) {
    // never writes: creates a draft the user must confirm
    return ctx.drafts.create({
      action: "schedule.update", input,
      singleUse: true, expiresIn: "15m",
      snapshot: await ctx.read.order(input.order),
    });
  },
});