First commit for private source control. Older commits available on Github.

Assets/Scripts/Data/IO/FilePaths.cs

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+using System.IO;
+using UnityEngine;
+
+namespace BriarQueen.Data.IO
+{
+    public static class FilePaths
+    {
+        private static readonly string ApplicationData = Application.persistentDataPath;
+        public static readonly string SaveDataFolder = Path.Combine(ApplicationData, "Saves");
+        public static readonly string SaveBackupDataFolder = Path.Combine(Application.persistentDataPath, "Backups");
+        public static readonly string ConfigFolder = Path.Combine(Application.persistentDataPath, "Configs");
+    }
+}

Assets/Scripts/Data/IO/FilePaths.cs.meta

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+fileFormatVersion: 2
+guid: 437ea8a487054abc95c09442f73f0374
+timeCreated: 1769703501

Assets/Scripts/Data/IO/Saves.meta

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+fileFormatVersion: 2
+guid: 377fc30dd8794b1a8fa98f9842272263
+timeCreated: 1769703058

Assets/Scripts/Data/IO/Saves/SaveGame.cs

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+// ==============================
+// SaveGame.cs (refactored)
+// ==============================
+
+using System;
+using System.Collections.Generic;
+using BriarQueen.Data.Identifiers;
+using MemoryPack;
+
+namespace BriarQueen.Data.IO.Saves
+{
+    [Serializable]
+    [MemoryPackable]
+    public partial class SaveGame
+    {
+        public string SaveVersion = "0.0.2-alpha";
+        public string SaveFileName;
+
+        // Inventory & item tracking
+        public List<ItemSaveData> InventoryData = new();
+        public List<ItemSaveData> CollectedItems = new();
+        public List<ItemSaveData> RemovedItems = new();
+        
+        public Dictionary<ToolID, bool> Tools = new();
+
+        // Codex
+        public List<CodexSaveData> DiscoveredCodexEntries = new();
+
+        // Current location
+        public string CurrentSceneID;
+        public string CurrentLevelID;
+
+        // Per-puzzle persisted state (resume progress when revisiting)
+        public List<PuzzleStateSaveData> PuzzleStates = new();
+
+        public bool OpeningCinematicPlayed;
+
+        // Centralized game variables
+        public PersistentGameVariables PersistentVariables = new();
+
+        // Level-specific hints
+        public Dictionary<string, int> LevelHintStages = new();
+    }
+
+    [Serializable]
+    [MemoryPackable]
+    public partial class ItemSaveData
+    {
+        public string UniqueIdentifier;
+    }
+
+    [Serializable]
+    [MemoryPackable]
+    public partial class CodexSaveData
+    {
+        public string UniqueIdentifier;
+    }
+
+    [Serializable]
+    [MemoryPackable]
+    public partial class PuzzleStateSaveData
+    {
+        public string PuzzleID;
+        public byte[] State;
+        public bool Completed;
+    }
+
+    [Serializable]
+    [MemoryPackable]
+    public partial class PersistentGameVariables
+    {
+        public GameVariables Game = new();
+        public TutorialPopupVariables TutorialPopupVariables = new();
+    }
+
+    [Serializable]
+    [MemoryPackable]
+    public partial class TutorialPopupVariables
+    {
+        // Tracks which popups have been shown
+        public HashSet<TutorialPopupID> DisplayedPopups = new();
+
+        public bool HasBeenDisplayed(TutorialPopupID id)
+        {
+            return DisplayedPopups.Contains(id);
+        }
+
+        public void MarkDisplayed(TutorialPopupID id)
+        {
+            DisplayedPopups.Add(id);
+        }
+    }
+
+    [Serializable]
+    public enum LevelFlag
+    {
+        None = 0,
+        FountainVinesCut,
+        PumpHouseOpened,
+        PumpHousePipesFixed,
+        PumpWaterRestored,
+        WorkshopBagHoleDug,
+        WorkshopSafeUnlocked,
+        WorkshopDownstairsDoorOpen,
+        WorkshopDownstairsLightOn,
+        WorkshopGrindstoneRepaired,
+        StreetGateOpen,
+        StreetVinesCut,
+    }
+
+    [Serializable]
+    [MemoryPackable]
+    public partial class GameVariables
+    {
+        // Type-safe level flags using enum
+        public Dictionary<LevelFlag, bool> LevelFlags = new();
+
+        // Tracks completed puzzles
+        public Dictionary<string, bool> PuzzleCompleted = new();
+
+        // Candle slots
+        public Dictionary<int, string> WorkshopCandleSlotsFilled = new()
+        {
+            { 0, ItemIDs.Pickups[ItemKey.BlueCandle] },
+            { 3, ItemIDs.Pickups[ItemKey.OrangeCandle] },
+            { 5, ItemIDs.Pickups[ItemKey.RedCandle] }
+        };
+
+        // -------- Helper Methods --------
+        public bool IsPuzzleCompleted(PuzzleKey puzzle)
+        {
+            return PuzzleCompleted.TryGetValue(PuzzleIdentifiers.AllPuzzles[puzzle], out var completed) && completed;
+        }
+
+        public void SetPuzzleCompleted(PuzzleKey puzzle, bool completed = true)
+        {
+            PuzzleCompleted[PuzzleIdentifiers.AllPuzzles[puzzle]] = completed;
+        }
+
+        public bool GetLevelFlag(LevelFlag flag)
+        {
+            return LevelFlags.TryGetValue(flag, out var value) && value;
+        }
+
+        public void SetLevelFlag(LevelFlag flag, bool value = true)
+        {
+            LevelFlags[flag] = value;
+        }
+    }
+}

Assets/Scripts/Data/IO/Saves/SaveGame.cs.meta

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+fileFormatVersion: 2
+guid: bc844b48999c44058fe4696c9841c339
+timeCreated: 1769703058