feat(roadtrip): add daily scheduling and configurable day endings

shared/src/assignment/assignment.schema.spec.ts

@@ -1,5 +1,6 @@
 import {
   assignmentCreateRequestSchema,
+  assignmentEndDayRequestSchema,
   assignmentMoveRequestSchema,
   assignmentParticipantsRequestSchema,
   assignmentTransportRequestSchema,
@@ -7,6 +8,14 @@ import {
 
 import { describe, it, expect } from 'vitest';
 
+it('requires a boolean for an explicit day end', () => {
+  expect(assignmentEndDayRequestSchema.parse({ end_day: true })).toEqual({ end_day: true });
+  expect(assignmentEndDayRequestSchema.parse({ end_day: false })).toEqual({ end_day: false });
+  for (const end_day of [1, 'true', null, undefined]) {
+    expect(assignmentEndDayRequestSchema.safeParse({ end_day }).success).toBe(false);
+  }
+});
+
 describe('assignmentCreateRequestSchema', () => {
   it('requires a place_id; notes optional/nullable', () => {
     expect(assignmentCreateRequestSchema.safeParse({ place_id: 2 }).success).toBe(true);

shared/src/assignment/assignment.schema.ts

@@ -40,6 +40,7 @@ export const assignmentSchema = z.object({
   notes: z.string().nullable().optional(),
   assignment_time: z.string().nullable().optional(),
   assignment_end_time: z.string().nullable().optional(),
+  end_day: z.boolean().optional(),
   // Per-segment travel mode (#1281): the transport mode of the leg LEAVING this
   // stop for the next one. null = inherit the day's default_transport_mode.
   leg_transport_mode: z.string().nullable().optional(),
@@ -78,6 +79,11 @@ export const assignmentTimeRequestSchema = z.object({
 });
 export type AssignmentTimeRequest = z.infer<typeof assignmentTimeRequestSchema>;
 
+export const assignmentEndDayRequestSchema = z.object({
+  end_day: z.boolean(),
+});
+export type AssignmentEndDayRequest = z.infer<typeof assignmentEndDayRequestSchema>;
+
 /**
  * PUT /:id/notes (#2163) — edit the per-assignment note after creation.
  * Deliberately uncapped like the create contract above: the REST create body