From 1f118d79e319da4e765502e9ca5b661772de94f1 Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Fri, 18 Sep 2026 18:38:35 -0400
Subject: refactor: casino table core; fix: stake/migration/validation gaps

---
 internal/casino/config_validate.go | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'internal/casino/config_validate.go')

diff --git a/internal/casino/config_validate.go b/internal/casino/config_validate.go
index a03cfbf..9b9759c 100644
--- a/internal/casino/config_validate.go
+++ b/internal/casino/config_validate.go
@@ -26,8 +26,8 @@ func (c MachineConfig) Validate() error {
 		return fmt.Errorf("payout must be finite and between 0 and 1 (0 uses the default)")
 	}
 	// The machine's effective profile is the built-in one scaled to the
-	// configured RTP; ValidateRTP certifies that profile, so it must be a
-	// geometry the runtime evaluator can actually play.
+	// configured RTP; it must be a geometry the runtime evaluator can
+	// actually play.
 	return machineSlotProfile(c).Validate()
 }
 
@@ -160,9 +160,10 @@ const baccaratRoundCards = 6
 // Validate checks a slot profile the machine can actually play. The runtime
 // evaluator (generateSlotSpinWithProfile, matchingLength, stoppedScatters and
 // evaluateSlot) is pinned to the SlotSpin grid of three rows by five reels;
-// CalculateRTP/ValidateRTP are generic over Rows/Reels/Ways, so a profile
-// with another geometry would be certified by the RTP gate and then played as
-// a different game. Rejecting the geometry here keeps that gate meaningful.
+// CalculateRTP also assumes that geometry (fixed 3..5 symbol runs and a
+// five-reel no-match term). A profile with another geometry would be
+// certified by the RTP gate and then played as a different game. Rejecting
+// the geometry here keeps that gate meaningful.
 func (p SlotProfile) Validate() error {
 	profile := p.Normalize()
 	if profile.Rows != slotGridRows || profile.Reels != slotGridReels {
@@ -268,7 +269,7 @@ func ValidateRoomConfigs(tables []TableConfig, machines []MachineConfig) error {
 	for _, c := range tables {
 		if c.Game == GameSlots {
 			// A slots "table" is instantiated as the room's slots machine.
-			legacy := MachineConfig{ID: c.ID, Game: GameSlots, MinBet: c.MinBet, MaxBet: c.MaxBet}
+			legacy := LegacySlotMachine(c)
 			check("legacy slots", c.ID, legacy.Validate())
 			checkAddressable(strings.ToLower(string(GameSlots)), c.ID)
 			continue
-- 
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