fix: harden economy recovery, shutdown concurrency, world validation, and inventory-loss paths

1 files changed, 24 insertions, 0 deletions

diff --git a/internal/game/economy_seq_test.go b/internal/game/economy_seq_test.go
new file mode 100644
index 0000000..2c5bbdb
--- /dev/null
+++ b/internal/game/economy_seq_test.go
@@ -0,0 +1,24 @@
+package game
+
+import "testing"
+
+// TestStakeCoveredRespectsCreationOrder: an open payout created BEFORE a stake
+// must not be treated as that stake's settlement, or RefundOutstanding would
+// resolve the later stake without returning its money.
+func TestStakeCoveredRespectsCreationOrder(t *testing.T) {
+	j := newEconomyJournal(t.TempDir())
+	stake := &economyRecord{ID: "stake", Player: "alice", Kind: "wager", Status: "open", Seq: 2}
+	j.registerStake(stake)
+
+	older := &economyRecord{ID: "older", Player: "alice", Kind: "payout", Status: "open", Seq: 1, Tracked: true}
+	j.openPayoutRecs[stake.key()] = []*economyRecord{older}
+	if j.stakeCovered(stake) {
+		t.Fatal("a payout created before the stake must not cover it")
+	}
+
+	newer := &economyRecord{ID: "newer", Player: "alice", Kind: "payout", Status: "open", Seq: 3, Tracked: true}
+	j.openPayoutRecs[stake.key()] = []*economyRecord{newer}
+	if !j.stakeCovered(stake) {
+		t.Fatal("a payout created after the stake should cover it")
+	}
+}