refactor: split casino.go, dedup helpers, remove audit docs

1 files changed, 7 insertions, 7 deletions

diff --git a/internal/game/render_roulette.go b/internal/game/render_roulette.go
index a0f1e04..89c14c6 100644
--- a/internal/game/render_roulette.go
+++ b/internal/game/render_roulette.go
@@ -134,7 +134,7 @@ func renderRouletteRacetrack(mode string, unicode bool) string {
 	pocket := func(x, y, index, width int) {
 		n := wheel[index%len(wheel)]
 		bg, name := roulettePocketColor(n)
-		if mode == "none" || mode == "" {
+		if color.Plain(mode) {
 			n += name[:1]
 		}
 		put(x, y, rouletteCenter(n, width), bg)
@@ -318,7 +318,7 @@ func renderRouletteLayout(double, racetrack bool, mode string, unicode bool) str
 		case !double && row == 2:
 			zero = "0"
 		}
-		if mode == "none" || mode == "" {
+		if color.Plain(mode) {
 			zero += "G"
 		}
 		// The 0/00 lane is one green rectangle, so its blank cells above and
@@ -327,7 +327,7 @@ func renderRouletteLayout(double, racetrack bool, mode string, unicode bool) str
 		for n := row; n <= 36; n += 3 {
 			pocket := strconv.Itoa(n)
 			bg, name := roulettePocketColor(pocket)
-			if mode == "none" || mode == "" {
+			if color.Plain(mode) {
 				pocket += name[:1]
 			}
 			line += roulettePaint(mode, rouletteCenter(pocket, 4), bg) + rouletteInk(mode, b.v)
@@ -382,7 +382,7 @@ func renderRouletteLayout(double, racetrack bool, mode string, unicode bool) str
 	}
 	bottom += b.br
 	lines = append(lines, line, rouletteInk(mode, bottom))
-	if mode == "none" || mode == "" {
+	if color.Plain(mode) {
 		lines = append(lines, "R = red, B = black, G = green")
 	}
 	return strings.Join(lines, "\n")
@@ -419,7 +419,7 @@ func renderRouletteWheel(wheel []string, mode string, unicode bool) string {
 			grid[y][x] = rouletteCell{' ', -1}
 		}
 	}
-	plain := mode == "none" || mode == ""
+	plain := color.Plain(mode)
 	pocketRune := func(bg int) rune {
 		if !plain {
 			return ' '
@@ -553,7 +553,7 @@ func renderRouletteRow(row []rouletteCell, mode string) string {
 			j++
 		}
 		text := string(seg)
-		if bg >= 0 && mode != "none" && mode != "" {
+		if bg >= 0 && !color.Plain(mode) {
 			sb.WriteString(roulettePaint(mode, text, bg))
 		} else {
 			sb.WriteString(rouletteInk(mode, text))
@@ -584,7 +584,7 @@ func renderRouletteResult(pockets [5]string, mode string, unicode bool, size int
 	ballRow := size / 2
 	hasRule := ballRow > ruleRow
 	colorRow := size - 2
-	plain := mode == "none" || mode == ""
+	plain := color.Plain(mode)
 	var lines []string
 	for row := 0; row < size; row++ {
 		var cells []string