public sealed class SAV9SV : SaveFile, ISaveBlock9Main, ISCBlockArray, 
    ISaveFileRevision, IBoxDetailName, IBoxDetailWallpaper

public int SaveRevision { get; } // 0, 1, or 2
public string SaveRevisionString { get; }

// Revision 0: "-Base" - Base game (Vanilla)
// Revision 1: "-TM" - Teal Mask (Kitakami)
// Revision 2: "-ID" - Indigo Disk (Blueberry Academy)

public IReadOnlyList<SCBlock> AllBlocks { get; }
public SCBlockAccessor Accessor { get; }
public T GetValue<T>(uint key) where T : struct
public void SetValue<T>(uint key, T value) where T : struct

public SaveBlockAccessor9SV Blocks { get; }
public Box9 BoxInfo { get; }
public Party9 PartyInfo { get; }
public MyItem9 Items { get; }
public MyStatus9 MyStatus { get; }
public Zukan9 Zukan { get; }
public BoxLayout9 BoxLayout { get; }
public PlayTime9 Played { get; }
public ConfigSave9 Config { get; }
public TeamIndexes8 TeamIndexes { get; }
public Epoch1900DateTimeValue LastSaved { get; }
public Epoch1970Value LastDateCycle { get; }
public PlayerFashion9 PlayerFashion { get; }
public PlayerAppearance9 PlayerAppearance { get; }
public RaidSpawnList9 RaidPaldea { get; }
public RaidSpawnList9 RaidKitakami { get; }
public RaidSpawnList9 RaidBlueberry { get; }
public RaidSevenStar9 RaidSevenStar { get; }
public Epoch1900DateValue EnrollmentDate { get; } // Blueberry Academy
public BlueberryQuestRecord9 BlueberryQuestRecord { get; }
public BlueberryClubRoom9 BlueberryClubRoom { get; }

public override uint ID32 { get; set; }
public override ushort TID16 { get; set; }
public override ushort SID16 { get; set; }
public override GameVersion Version { get; set; }
public override byte Gender { get; set; }
public override int Language { get; set; }
public override string OT { get; set; }

public override uint Money { get; set; }
public uint LeaguePoints { get; set; }
public uint BlueberryPoints { get; set; } // Indigo Disk only

public Span<byte> Coordinates { get; }
public float X { get; set; }
public float Y { get; set; }
public float Z { get; set; }

public Span<byte> PlayerRotation { get; }
public float RX { get; set; } // Quaternion rotation
public float RY { get; set; }
public float RZ { get; set; }
public float RW { get; set; }

public void SetCoordinates(float x, float y, float z)
public void SetPlayerRotation(float rx, float ry, float rz, float rw)

public override int BoxCount { get; } // 32
public override int CurrentBox { get; set; }
public override int BoxesUnlocked { get; set; }
public string GetBoxName(int box)
public void SetBoxName(int box, ReadOnlySpan<char> value)
public int GetBoxWallpaper(int box)
public void SetBoxWallpaper(int box, int value)

// Legend wallpaper unlock flag
public byte BoxLegendWallpaperFlag { get; set; }

public TeamIndexes8 TeamIndexes { get; }

public override StorageSlotSource GetBoxSlotFlags(int index)
{
    int team = TeamIndexes.TeamSlots.IndexOf(index);
    if (team < 0)
        return StorageSlotSource.None;
    
    team /= 6;
    var result = (StorageSlotSource)((int)StorageSlotSource.BattleTeam1 << team);
    if (TeamIndexes.GetIsTeamLocked(team))
        result |= StorageSlotSource.Locked;
    return result;
}

public RaidSpawnList9 RaidPaldea { get; }    // Base game raids
public RaidSpawnList9 RaidKitakami { get; }  // Teal Mask raids
public RaidSpawnList9 RaidBlueberry { get; } // Indigo Disk raids
public RaidSevenStar9 RaidSevenStar { get; } // 7-star event raids

public ThrowStyle9 ThrowStyle { get; set; }

public enum ThrowStyle9
{
    OriginalStyle,
    SmugElegant,    // Baseball Club 1
    TwirlingNinja,  // Baseball Club 2
    Champion,       // Baseball Club 3
}

public void UnlockAllThrowStyles()
{
    // Unlocks all throwing styles and updates support board
}

protected override void SetPKM(PKM pk, bool isParty = false)
{
    PK9 pk9 = (PK9)pk;
    pk9.UpdateHandler(this);
    
    if (FormArgumentUtil.IsFormArgumentTypeDatePair(pk9.Species, pk9.Form))
    {
        pk9.FormArgumentElapsed = pk9.FormArgumentMaximum = 0;
        pk9.FormArgumentRemain = (byte)GetFormArgument(pk9);
    }
    pk9.RefreshChecksum();
}

private static uint GetFormArgument(PKM pk)
{
    if (pk.Form == 0) return 0;
    return pk.Species switch
    {
        (int)Species.Furfrou => 5u,
        // Hoopa no longer sets Form Argument in Gen 9
        _ => 0u,
    };
}

public void CollectAllStakes()
{
    // Sets all stake collection flags for:
    // - Ting-Lu (Rock stakes)
    // - Chien-Pao (Ice stakes)
    // - Wo-Chien (Grass stakes)
    // - Chi-Yu (Fire stakes)
    
    // Removes 8 stakes from each shrine (32 total)
    // Updates shrine seal states
}

public void UnlockAllTMRecipes()
{
    // Unlocks all 229 TM recipes
    for (int i = 1; i <= 229; i++)
    {
        var flag = $"FSYS_UI_WAZA_MACHINE_RELEASE_{i:000}";
        var hash = (uint)FnvHash.HashFnv1a_64(flag);
        if (Accessor.TryGetBlock(hash, out var block))
            block.ChangeBooleanType(SCTypeCode.Bool2);
    }
}

public void ActivateSnacksworthLegendaries()
{
    // Marks legendary Pokemon as available from Snacksworth
    // After completing Blueberry Quests (BBQs)
    for (int i = 13; i <= 37; i++)
    {
        var flag = $"WEVT_S2_SUB_{i:000}_STATE";
        var hash = (uint)FnvHash.HashFnv1a_64(flag);
        if (Accessor.TryGetBlock(hash, out var block))
            block.SetValue(1); // 1 = appeared (not captured)
    }
}

public void UnlockAllCoaches()
{
    // Unlocks all special coaches for BB League rematches:
    // - Champions (Cynthia, etc.)
    // - Teachers
    // - Friends & Rivals
}

public Epoch1900DateValue EnrollmentDate { get; }
// Tracks when player first enrolled at Blueberry Academy

public BlueberryQuestRecord9 BlueberryQuestRecord { get; }
// Tracks completed Blueberry Quests (BBQs)

public BlueberryClubRoom9 BlueberryClubRoom { get; }
// Manages club room customization and support board

public PlayerFashion9 PlayerFashion { get; }
// Unlocked clothing and accessories

public PlayerAppearance9 PlayerAppearance { get; }
// Current player appearance settings

public override bool ChecksumsValid => true;
public override string ChecksumInfo => string.Empty;
protected override void SetChecksums() { }

public SAV9SV(Memory<byte> data) : this(SwishCrypto.Decrypt(data.Span)) { }
protected override Memory<byte> GetFinalData() => SwishCrypto.Encrypt(AllBlocks);

// Example: Money block
public const uint KMoney = 0x19E41E69; // FnvHash.HashFnv1a_64("MONEY")
public override uint Money 
{ 
    get => (uint)Blocks.GetBlockValue(SaveBlockAccessor9SV.KMoney); 
    set => Blocks.SetBlockValue(SaveBlockAccessor9SV.KMoney, value); 
}

public SAV9SV(IReadOnlyList<SCBlock> blocks) : base(Memory<byte>.Empty)
{
    AllBlocks = blocks;
    Blocks = new SaveBlockAccessor9SV(this);
    SaveRevision = Blocks.HasBlock(SaveBlockAccessor9SV.KBlueberryPoints) ? 2 
                 : RaidKitakami.Data.Length != 0 ? 1 
                 : 0;
    Initialize();
}

protected override int SIZE_STORED => PokeCrypto.SIZE_9STORED;  // 0x158
protected override int SIZE_PARTY  => PokeCrypto.SIZE_9PARTY;   // 0x168
public override int SIZE_BOXSLOT   => PokeCrypto.SIZE_9PARTY;   // 0x168

public override string GetString(ReadOnlySpan<byte> data)
    => StringConverter8.GetString(data);

public override bool IsVersionValid() 
    => Version is GameVersion.SL or GameVersion.VL;

// Position (Vector3)
float X, Y, Z

// Rotation (Quaternion)
float RX, RY, RZ, RW

uint Money          // Standard Poke Dollars
uint LeaguePoints   // LP from raids
uint BlueberryPoints // BP from Blueberry Academy (DLC 2)