Support Advanced native Homeworld return

tests/homeworld-shipment.test.ts

@@ -248,14 +248,34 @@ void test('Advanced Emperor may combine its two native origins and retains preci
   );
 });
 
-void test('own and mutual ally destinations are rejected, including either Emperor world', () => {
+void test('Advanced may return an actual foreign garrison to either native Emperor World at the normal rate', () => {
   const { context, custody } = fixture();
-  for (const destination of ['homeworld:emperor', 'homeworld:emperor:salusa'])
-    rejected(context, custody, {
-      ...invasion,
-      destination,
-      sources: { 'homeworld:atreides': { normal: 1, elite: 0 } },
+  for (const destination of ['homeworld:emperor', 'homeworld:emperor:salusa']) {
+    const before = structuredClone({ context, custody });
+    const result = quote(context, custody, {
+      player: 'e', destination,
+      sources: { 'homeworld:atreides': { normal: 4, elite: 1 } },
     });
+    assert.equal(result.amount, 5);
+    assert.equal(result.cost, 5);
+    assert.equal(result.players[0].reserves, 20);
+    assert.equal(result.players[0].eliteReserves, 5);
+    assert.equal(result.state.visitors['homeworld:atreides'], undefined);
+    const next = { ...context, players: result.players.map(p => ({ ...p, ally: null })) };
+    assert.deepEqual(totals(next, result.state), totals(context, custody));
+    assert.deepEqual({ context, custody }, before);
+  }
+});
+
+void test('Basic preserves the native return restriction and all modes reject a mutual ally destination', () => {
+  const { context, custody } = fixture();
+  const basic = { ...context, advanced: false };
+  const basicCustody = { ...custody, salusa: null };
+  rejected(basic, basicCustody, {
+    ...invasion,
+    destination: 'homeworld:emperor',
+    sources: { 'homeworld:atreides': { normal: 1, elite: 0 } },
+  });
   context.players[0].ally = 'a';
   context.players[1].ally = 'e';
   rejected(context, custody, {