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feat(battle-node): derive Matched.seed + Ready.idxChangeSeed from master seed

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InitBattle now emits Stable(master) as the shared effect seed and the master-
shuffled deck as selfDeck; Swap emits each recipient's per-side IdxChange seed.
BattleSession exposes + logs the master seed per battle for future replay.
Updated lifecycle/dispatch/integration tests (deck assertions now permutation-
based since selfDeck is shuffled).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
gamer147
2026-06-04 18:20:51 -04:00
parent 6f7fcfe28e
commit 3f5d97cb2f
8 changed files with 80 additions and 26 deletions
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21
SVSim.UnitTests/BattleNode/Integration/BattleNodeFlowTests.cs
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@@ -98,14 +98,23 @@ public class BattleNodeFlowTests
var body = ((RawBody)matched.Body).Entries;
var selfDeck = (List<object?>)body["selfDeck"]!;
Assert.That(selfDeck.Count, Is.EqualTo(30));
for (int i = 0; i < 30; i++)
// The node shuffles each deck per-battle from the master seed (see BattleSeeds /
// BattleSessionState.GetShuffledDeck), so cardIds are no longer in drafted order. What must
// hold: idxs are the contiguous 1..30 positions, and the set of cardIds is exactly the
// drafted deck (a permutation — same multiset, reordered).
var idxs = new List<long>(30);
var cardIds = new List<long>(30);
foreach (var e in selfDeck)
{
var entry = (Dictionary<string, object?>)selfDeck[i]!;
Assert.That((long)entry["idx"]!, Is.EqualTo(i + 1L),
$"slot {i}: idx should be 1-based position");
Assert.That((long)entry["cardId"]!, Is.EqualTo(draftedDeck[i]),
$"slot {i}: cardId should match the drafted card");
var entry = (Dictionary<string, object?>)e!;
idxs.Add((long)entry["idx"]!);
cardIds.Add((long)entry["cardId"]!);
}
Assert.That(idxs, Is.EqualTo(Enumerable.Range(1, 30).Select(i => (long)i)),
"idxs are the contiguous 1-based positions 1..30");
Assert.That(cardIds, Is.EquivalentTo(draftedDeck),
"selfDeck is a permutation of the drafted deck (shuffled, same multiset)");
}
private static MsgEnvelope MakeEnvelopeWith(long vid, NetworkBattleUri uri, long pubSeq,