fix: backport all features from v2 that came in after merge

typescript/common/src/config/game-support/ongeki.ts

@@ -23,7 +23,8 @@ export const GAME_GROUP_ONGEKI_CONF = {
 			"LUNATIC",
 			"ボーナストラック",
 		]),
-		duration: z.number(),
+		duration: z.number().nullable(),
+		flavorGenre: z.string().optional(),
 	}),
 } as const satisfies INTERNAL_GAME_GROUP_CONFIG;
 
@@ -39,7 +40,8 @@ export const OngekiColours = [
 	ClassValue("PLATINUM", "鉑", "Platinum: 18.000~18.999 Rating"),
 	ClassValue("RAINBOW", "虹", "Rainbow: 19.000~19.999 Rating"),
 	ClassValue("RAINBOW_SHINY", "虹(光)", "Rainbow Shiny: 20.000~20.999 Rating"),
-	ClassValue("RAINBOW_EX", "虹(極)", "Rainbow Extreme: 21.000~ Rating"),
+	ClassValue("RAINBOW_EX", "虹(極)", "Rainbow Extreme: 21.000~21.999 Rating"),
+	ClassValue("RAINBOW_EX_TRUE", "虹(極)・真", "Rainbow Extreme (True): 22.000~ Rating"),
 ];
 
 export const GAME_ONGEKI_CONF = {
@@ -228,11 +230,11 @@ export const GAME_ONGEKI_CONF = {
 			"オンゲキ bright MEMORY Act.3",
 			"オンゲキ Re:Fresh",
 		]),
+		isBonusTrack: z.boolean(),
 		isReMaster: z.boolean().optional(),
-		maxPlatScore: z.number().int(),
-		inGameID: z.number().int(),
+		maxPlatScore: z.number().int().nonnegative(),
+		inGameID: z.number().int().nonnegative().nullable(),
 		chartViewURL: z.string().optional(),
-		isBonusTrack: z.boolean().optional(),
 	}),
 
 	preferences: z.strictObject({}),

typescript/common/src/constants/game.ts

@@ -612,6 +612,7 @@ export enum ONGEKI_COLOURS {
 	PURPLE = 4,
 	RAINBOW = 9,
 	RAINBOW_EX = 11,
+	RAINBOW_EX_TRUE = 12,
 	RAINBOW_SHINY = 10,
 	RED = 3,
 	SILVER = 6,