fix: v0.10.1 — dispatch pickers independent per accepted contract (placeholder default, no first-eligible auto-fallback; stale-select fix via explicit placeholder option)

components/right-pane.test.ts

@@ -0,0 +1,66 @@
+import { describe, expect, it } from 'vitest';
+import { dispatchSelection } from './RightPane';
+import type { ContractState, PlaneState } from '@/lib/game/state';
+
+// v0.10.1 — the per-contract dispatch picker rule: a row's effective selection is the user's
+// explicit pick while it stays eligible (available AND at the contract origin), else NOTHING
+// (placeholder). The old "auto-track first eligible" fallback made every accepted-contract row
+// display the same plane, so selections looked shared across contracts.
+
+const contract: ContractState = {
+  id: 'contract-a',
+  originIcao: 'EDDF',
+  originName: 'Frankfurt Main',
+  destIcao: 'EDDM',
+  destName: 'Munich',
+  reward: 1000,
+  cargoType: 'mail',
+  cargoCount: 4,
+  deadlineSimTime: 1_000_000,
+  status: 'accepted',
+  planeId: null,
+  createdSimTime: 0,
+};
+
+function plane(over: Partial<PlaneState> & Pick<PlaneState, 'id'>): PlaneState {
+  return {
+    model: 'atr72',
+    status: 'available',
+    fuel: 100,
+    maxFuel: 100,
+    locationIcao: 'EDDF',
+    locationName: 'Frankfurt Main',
+    contractId: null,
+    departureSimTime: null,
+    lat: 50,
+    lon: 8.5,
+    ...over,
+  };
+}
+
+describe('dispatchSelection (per-contract dispatch picker rule)', () => {
+  it('defaults to the placeholder — no auto-selection of the first eligible plane', () => {
+    const planes = [plane({ id: 'p1' }), plane({ id: 'p2' })]; // both eligible at EDDF
+    expect(dispatchSelection(planes, contract, null)).toBeNull();
+  });
+
+  it('returns the user pick while it stays eligible (available AND at the origin)', () => {
+    const planes = [plane({ id: 'p1' }), plane({ id: 'p2', locationIcao: 'EDDM' })];
+    expect(dispatchSelection(planes, contract, 'p1')?.id).toBe('p1');
+  });
+
+  it('drops to the placeholder when a poll makes the pick ineligible (flew away)', () => {
+    const planes = [plane({ id: 'p1', status: 'flying' })];
+    expect(dispatchSelection(planes, contract, 'p1')).toBeNull();
+  });
+
+  it('drops to the placeholder when a poll moves the pick off the origin', () => {
+    const planes = [plane({ id: 'p1', locationIcao: 'EDDM' })];
+    expect(dispatchSelection(planes, contract, 'p1')).toBeNull();
+  });
+
+  it('unknown selection id resolves to the placeholder', () => {
+    const planes = [plane({ id: 'p1' })];
+    expect(dispatchSelection(planes, contract, 'no-such-plane')).toBeNull();
+  });
+});