List deliveries for a date with weight, address and time window.

List fleet vehicles with capacity (kg / units), depot and driver shift.

Plan routes for the fleet on a date (CVRPTW). Returns per-vehicle stop sequence, ETA, distance and duration, plus deliveries that could not be assigned and why. Persists the plan so it can be inspected and edited.

Full stop-by-stop detail of a planned route: sequence, ETA, cumulative load.

Marginal cost (km and minutes) of inserting a delivery into each active route for a date, the best position, and whether it violates capacity or time windows. Provide either delivery_id (existing) or a new_delivery object.

Insert a delivery into a route at a position and rewrite downstream ETAs.

Mark a vehicle inactive and return its orphaned (previously assigned) deliveries.

Redistribute the given deliveries among active vehicles for a date; lists what did not fit.

Set a delivery's status (pending | assigned | delivered | failed).

Render a printable route sheet for a route as markdown or CSV text.