Convert the 4 casino games to platform Credits (kit v2.16.0)

games/alan/roulette/game.go

@@ -18,9 +18,15 @@ func (Game) Meta() kit.GameMeta {
 		MaxPlayers:       6,
 		Tags:             []string{"roulette", "casino", "betting", "american"},
 
-		// Player characters: each player's tile renders beside their name in
-		// the seat strip under the table.
-		CtxFeatures: kit.CtxFeatCharacter,
+		// A casino game: players wager their account-wide platform Credits. The
+		// richest wager is a straight-up (35:1), so a winning stake returns
+		// stake*(35+1) = stake*36 and no board can pay more than 36x its stake.
+		Kind:                kit.GameKindCasino,
+		MaxPayoutMultiplier: 36,
+
+		// Player characters (seat tiles) + Credits (the host owns every balance;
+		// this game calls Wager/Settle/Buyback/Balance).
+		CtxFeatures: kit.CtxFeatCharacter | kit.CtxFeatCredits,
 
 		// A casual social table: when everyone leaves, the room closes — no
 		// hibernation snapshot, no Resume-menu entry.
@@ -31,7 +37,7 @@ func (Game) Meta() kit.GameMeta {
 		PrivateInviteLine: "Friends pull up a chair when they enter the code.",
 
 		Leaderboard: &kit.LeaderboardSpec{
-			MetricLabel: "Chips",
+			MetricLabel: "Credits",
 			Direction:   kit.HigherBetter,
 			Aggregation: kit.BestResult,
 			Format:      kit.Integer,

games/alan/roulette/go.mod

@@ -2,7 +2,7 @@ module alan/roulette
 
 go 1.25.11
 
-require github.com/shellcade/kit/v2 v2.15.0
+require github.com/shellcade/kit/v2 v2.16.0
 
 require (
 	github.com/extism/go-pdk v1.1.3 // indirect

games/alan/roulette/go.sum

@@ -1,7 +1,7 @@
 github.com/extism/go-pdk v1.1.3 h1:hfViMPWrqjN6u67cIYRALZTZLk/enSPpNKa+rZ9X2SQ=
 github.com/extism/go-pdk v1.1.3/go.mod h1:Gz+LIU/YCKnKXhgge8yo5Yu1F/lbv7KtKFkiCSzW/P4=
-github.com/shellcade/kit/v2 v2.15.0 h1:/C/xsAlteeTMbJ+i+1qOcWXECeib4+dduTyPpEGq9bU=
-github.com/shellcade/kit/v2 v2.15.0/go.mod h1:EYbqrycZyGxzjUnklDlKBPgU8bCftTVJFKVCw/+gvdw=
+github.com/shellcade/kit/v2 v2.16.0 h1:ZU3SCkLqmJMbKqxnBMfEocYsjLiGoHaq48pWrFIkV1s=
+github.com/shellcade/kit/v2 v2.16.0/go.mod h1:EYbqrycZyGxzjUnklDlKBPgU8bCftTVJFKVCw/+gvdw=
 golang.org/x/sys v0.46.0 h1:noSf2Fq6F8DBgS+LysIkx7rIExoNHJsxOAtPp4rthXw=
 golang.org/x/sys v0.46.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/term v0.44.0 h1:0rLvDRCtNj0gZkyIXhCyOb2OAzEhLVqc4B+hrsBhrmc=

games/alan/roulette/main.go

@@ -9,8 +9,9 @@
 // deceleration, and the results hold are deadlines held in guest memory and
 // landed in OnWake against CallContext time (no host timer survives a thaw);
 // the spin outcome is rolled up front from the room's seeded RNG so a seeded
-// room reproduces every result; and the durable bankroll uses the casino kv
-// pattern (balance summed, peak max-merged) feeding a peak-ranked leaderboard.
+// room reproduces every result; and bankrolls are the platform's account-wide
+// Credits (the host owns every balance) — the board is wagered as one escrow per
+// seat at spin lock and Settled once at payout, feeding a peak-Credits leaderboard.
 //
 // This is the dual-target entrypoint: `go run .` plays it in your terminal with
 // normal Go tooling (and `go run . -smoke smoke.yaml -smoke-out shots/` writes

games/alan/roulette/render.go

@@ -612,6 +612,11 @@ func (rm *room) roundNet(pl *player) (won, staked int) {
 		won += settleReturn(masterBets[b.master], b.stake, rm.result)
 		staked += b.stake
 	}
+	// Mirror the settlement clamp so the results panel never shows a gross bigger
+	// than the host will actually pay (stake*maxPayoutMult).
+	if cap := staked * maxPayoutMult; won > cap {
+		won = cap
+	}
 	return won, staked
 }
 
@@ -710,7 +715,7 @@ func (rm *room) drawSeats(f *kit.Frame, v kit.Player) {
 			nameSt.Attr |= kit.AttrBold
 		}
 		f.Text(seatsRow, x+3, name, nameSt)                       // name
-		f.Text(seatsRow+1, x+1, strconv.Itoa(pl.balance), stHead) // chips, underneath
+		f.Text(seatsRow+1, x+1, strconv.FormatInt(pl.bal, 10), stHead) // credits, underneath
 		rm.drawSeatStatus(f, seatsRow+2, x+1, pl)                 // status, under that
 	}
 }
@@ -814,7 +819,11 @@ func (rm *room) drawHelp(f *kit.Frame, pl *player) {
 		f.Text(helpRow, 2, help, stDim)
 	}
 	if pl != nil {
-		f.TextRight(helpRow, kit.Cols-2, "BAL "+strconv.Itoa(pl.balance), stTitle)
+		bal := "BAL " + strconv.FormatInt(pl.bal, 10)
+		if rm.econOff {
+			bal = "CREDITS OFFLINE"
+		}
+		f.TextRight(helpRow, kit.Cols-2, bal, stTitle)
 	}
 }