Queue consumed on dispatch; engine chain hardened; queued planes unsellable (ISS-088)

lib/game/actions.test.ts

@@ -331,6 +331,34 @@ describe('flyPlane', () => {
 
     await expectActionError(flyPlane(inst, 'plane-starter', 'LPPD'), 409, /insufficient fuel/i);
   });
+
+  // --- Queue consumption on dispatch (v0.46.0, ISS-088) ---
+
+  it('consumes queue[0] when flying to the first queued leg — no phantom self-hop on landing', async () => {
+    const inst = await freshDb('fly-consume.db');
+    await queueLeg(inst, 'plane-starter', 'LEMD');
+    await queueLeg(inst, 'plane-starter', 'EHAM');
+
+    await flyPlane(inst, 'plane-starter', 'LEMD'); // the first queued leg
+
+    const plane = (await inst.db.select().from(schema.planes))[0];
+    expect(plane.status).toBe('flying');
+    expect(plane.destIcao).toBe('LEMD');
+    expect(JSON.parse(plane.queue)).toEqual(['EHAM']); // queue[0] consumed, the rest kept in order
+  });
+
+  it('keeps the queue intact when skipping ahead to a non-first queued leg (explicit override)', async () => {
+    const inst = await freshDb('fly-skipahead.db');
+    await queueLeg(inst, 'plane-starter', 'LEMD');
+    await queueLeg(inst, 'plane-starter', 'EHAM');
+
+    await flyPlane(inst, 'plane-starter', 'EHAM'); // not the first queued leg — an override
+
+    const plane = (await inst.db.select().from(schema.planes))[0];
+    expect(plane.status).toBe('flying');
+    expect(plane.destIcao).toBe('EHAM');
+    expect(JSON.parse(plane.queue)).toEqual(['LEMD', 'EHAM']); // untouched — FIFO order preserved
+  });
 });
 
 describe('queueLeg (v0.25.0, ISS-043)', () => {
@@ -671,6 +699,19 @@ describe('sellPlane', () => {
     expect(ids).toContain('plane-extra'); // row untouched — the cargo stays bound to a real plane
   });
 
+  it('rejects selling a grounded plane with queued legs with 409 (v0.46.0, ISS-088)', async () => {
+    const inst = await freshDb('sell-queue.db');
+    await inst.db.insert(schema.planes).values({
+      id: 'plane-extra', model: 'atr72', status: 'available', fuel: 100, maxFuel: PLANE_TYPES.atr72.maxFuel,
+      locationIcao: HUB_ICAO, destIcao: null, lat: 50, lon: 8, departureSimTime: null,
+    });
+    await queueLeg(inst, 'plane-extra', 'LEMD');
+
+    await expectActionError(sellPlane(inst, 'plane-extra'), 409, /cancel queued legs first/);
+    const plane = (await inst.db.select().from(schema.planes).where(eq(schema.planes.id, 'plane-extra')))[0];
+    expect(JSON.parse(plane.queue)).toEqual(['LEMD']); // row untouched — the queue stays with a real plane
+  });
+
   it('rejects selling the last remaining plane with 409', async () => {
     const inst = await freshDb('sell-last.db'); // only the starter exists
     await expectActionError(sellPlane(inst, 'plane-starter'), 409, /last remaining/);