Test repeated pirate broadside damage

tests/game-logic.test.mjs

@@ -8,6 +8,7 @@ import {
   normalizePlayerDamage,
   processQueuedPlayerHits,
   reducePlayerHitQueue,
+  reducePlayerVolleyHits,
 } from '../src/game-logic.js';
 
 test('first pirate hit removes exactly the default damage and does not end the game', () => {
@@ -145,3 +146,59 @@ test('empty hit queue is a no-op', () => {
   assert.equal(result.ignoredHits, 0);
   assert.equal(result.gameOver, false);
 });
+
+test('one pirate broadside damages once, and the next broadside damages again', () => {
+  const firstVolley = reducePlayerVolleyHits({
+    hull: 100,
+    hits: [
+      { volleyId: 101, damage: 6 },
+      { volleyId: 101, damage: 6 },
+      { volleyId: 101, damage: 6 },
+    ],
+  });
+
+  assert.equal(firstVolley.hull, 94);
+  assert.equal(firstVolley.totalDamage, 6);
+  assert.equal(firstVolley.acceptedHits.length, 1);
+  assert.equal(firstVolley.ignoredHits.length, 2);
+
+  const secondVolley = reducePlayerVolleyHits({
+    hull: firstVolley.hull,
+    seenVolleyIds: firstVolley.seenVolleyIds,
+    hits: [
+      { volleyId: 102, damage: 6 },
+      { volleyId: 102, damage: 6 },
+    ],
+  });
+
+  assert.equal(secondVolley.hull, 88);
+  assert.equal(secondVolley.totalDamage, 6);
+  assert.equal(secondVolley.acceptedHits.length, 1);
+  assert.equal(secondVolley.ignoredHits.length, 1);
+
+  const repeatedSecondVolley = reducePlayerVolleyHits({
+    hull: secondVolley.hull,
+    seenVolleyIds: secondVolley.seenVolleyIds,
+    hits: [{ volleyId: 102, damage: 6 }],
+  });
+
+  assert.equal(repeatedSecondVolley.hull, 88);
+  assert.equal(repeatedSecondVolley.totalDamage, 0);
+  assert.equal(repeatedSecondVolley.acceptedHits.length, 0);
+  assert.equal(repeatedSecondVolley.ignoredHits.length, 1);
+});
+
+test('different pirate volleys can both damage even when processed together', () => {
+  const result = reducePlayerVolleyHits({
+    hull: 100,
+    hits: [
+      { volleyId: 201, damage: 6 },
+      { volleyId: 202, damage: 6 },
+    ],
+  });
+
+  assert.equal(result.hull, 88);
+  assert.equal(result.totalDamage, 12);
+  assert.equal(result.acceptedHits.length, 2);
+  assert.equal(result.ignoredHits.length, 0);
+});