From 396c3facb8287b9a34076cae8f3d7b300d366d99 Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Tue, 15 Sep 2026 14:18:14 -0400
Subject: fix: atomic saves, casino RNG/config isolation, tick lifecycle

---
 internal/validate/casino_test.go | 29 +++++++++++++++++++++++++++++
 internal/validate/checks.go      |  7 +++++++
 2 files changed, 36 insertions(+)
 create mode 100644 internal/validate/casino_test.go

(limited to 'internal/validate')

diff --git a/internal/validate/casino_test.go b/internal/validate/casino_test.go
new file mode 100644
index 0000000..9eb94db
--- /dev/null
+++ b/internal/validate/casino_test.go
@@ -0,0 +1,29 @@
+package validate
+
+import (
+	"path/filepath"
+	"testing"
+)
+
+func TestRoomCasinoValidation(t *testing.T) {
+	dir := t.TempDir()
+	writeFile(t, filepath.Join(dir, "rooms", "1.yaml"), `name: Casino
+casino_tables:
+  - id: cards
+    game: blackjack
+    min_bet: 10
+    max_bet: 5
+casino_machines:
+  - id: slots
+    game: slots
+    payout: .nan
+  - id: slots
+    game: slots
+`)
+	issues := validateRooms(newSource(dir))
+	for _, message := range []string{"Room 1", "max_bet", "payout", "duplicate casino id"} {
+		if !containsMsg(issues, message) {
+			t.Errorf("missing %q in %+v", message, issues)
+		}
+	}
+}
diff --git a/internal/validate/checks.go b/internal/validate/checks.go
index 527b558..344df3a 100644
--- a/internal/validate/checks.go
+++ b/internal/validate/checks.go
@@ -8,6 +8,7 @@ import (
 	"strings"
 
 	"thehouseoficarus/internal/behavior"
+	"thehouseoficarus/internal/casino"
 	"thehouseoficarus/internal/color"
 	"thehouseoficarus/internal/combat"
 	"thehouseoficarus/internal/world"
@@ -31,6 +32,12 @@ func validateRooms(s Source) []Issue {
 			})
 			continue
 		}
+		if err := casino.ValidateRoomConfigs(room.CasinoTables, room.CasinoMachines); err != nil {
+			issues = append(issues, Issue{
+				Level: "ERROR", Type: "casino",
+				Message: fmt.Sprintf("Room %d: %v", id, err),
+			})
+		}
 		if room.Name == "" {
 			issues = append(issues, Issue{
 				Level:   "WARN",
-- 
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