chore: Assets 디렉토리 구조 정리 및 네이밍 컨벤션 적용

- Assets/_Game/ 하위로 게임 에셋 통합
- External/ 패키지 벤더별 분류 (Synty, Animations, UI)
- 에셋 네이밍 컨벤션 확립 및 적용
  (Data_Skill_, Data_SkillEffect_, Prefab_, Anim_, Model_, BT_ 등)
- pre-commit hook으로 네이밍 컨벤션 자동 검사 추가
- RESTRUCTURE_CHECKLIST.md 작성

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Assets/External/Models/SidekickCharacters/Scripts/Runtime/Database/DTO/SidekickPartPresetRow.cs

@@ -0,0 +1,190 @@
+// Copyright (c) 2024 Synty Studios Limited. All rights reserved.
+//
+// Use of this software is subject to the terms and conditions of the Synty Studios End User Licence Agreement (EULA)
+// available at: https://syntystore.com/pages/end-user-licence-agreement
+//
+// For additional details, see the LICENSE.MD file bundled with this software.
+
+using SQLite;
+using System.Collections.Generic;
+
+namespace Synty.SidekickCharacters.Database.DTO
+{
+    [Table("sk_part_preset_row")]
+    public class SidekickPartPresetRow
+    {
+        private SidekickPartPreset _partPreset;
+        private SidekickPart _part;
+
+        [PrimaryKey]
+        [AutoIncrement]
+        [Column("id")]
+        public int ID { get; set; }
+        [Column("part_name")]
+        public string PartName { get; set; }
+        [Column("ptr_part_preset")]
+        public int PtrPreset { get; set; }
+
+        [Column("ptr_part")]
+        public int PtrPart { get; set; } = -1;
+        [Column("part_type")]
+        public string PartType { get; set; }
+
+        [Ignore]
+        public SidekickPartPreset PartPreset
+        {
+            get => _partPreset;
+            set
+            {
+                _partPreset = value;
+                PtrPreset = value.ID;
+            }
+        }
+
+        [Ignore]
+        public SidekickPart Part
+        {
+            get => _part;
+            set
+            {
+                _part = value;
+                PtrPart = value.ID;
+            }
+        }
+
+        /// <summary>
+        ///     Gets a specific Preset Part by its database ID.
+        /// </summary>
+        /// <param name="dbManager">The Database Manager to use.</param>
+        /// <param name="id">The id of the required Preset Part.</param>
+        /// <returns>The specific Preset Part if it exists; otherwise null.</returns>
+        public static SidekickPartPresetRow GetByID(DatabaseManager dbManager, int id)
+        {
+            SidekickPartPresetRow partPreset = dbManager.GetCurrentDbConnection().Find<SidekickPartPresetRow>(id);
+            Decorate(dbManager, partPreset);
+            return partPreset;
+        }
+
+        /// <summary>
+        ///     Gets a list of all the Preset Parts in the database.
+        /// </summary>
+        /// <param name="dbManager">The Database Manager to use.</param>
+        /// <returns>A list of all preset parts in the database.</returns>
+        public static List<SidekickPartPresetRow> GetAll(DatabaseManager dbManager)
+        {
+            List<SidekickPartPresetRow> presetParts = dbManager.GetCurrentDbConnection().Table<SidekickPartPresetRow>().ToList();
+
+            foreach (SidekickPartPresetRow preset in presetParts)
+            {
+                Decorate(dbManager, preset);
+            }
+
+            return presetParts;
+        }
+
+        /// <summary>
+        ///     Gets a list of all the Preset Part rows in the database that have the matching species.
+        /// </summary>
+        /// <param name="dbManager">The Database Manager to use.</param>
+        /// <param name="partPreset">The preset to get all the preset part rows for.</param>
+        /// <returns>A list of all preset part rows in the database for the given preset.</returns>
+        public static List<SidekickPartPresetRow> GetAllByPreset(DatabaseManager dbManager, SidekickPartPreset partPreset)
+        {
+            List<SidekickPartPresetRow> presetParts = dbManager.GetCurrentDbConnection().Table<SidekickPartPresetRow>()
+                .Where(presetPart => presetPart.PtrPreset == partPreset.ID)
+                .ToList();
+
+            foreach (SidekickPartPresetRow presetPart in presetParts)
+            {
+                Decorate(dbManager, presetPart);
+            }
+
+            return presetParts;
+        }
+
+        /// <summary>
+        ///     Gets a list of all the Preset Part rows in the database that have the matching part.
+        /// </summary>
+        /// <param name="dbManager">The Database Manager to use.</param>
+        /// <param name="part">The part to get all the preset part rows for.</param>
+        /// <returns>A list of all preset part rows in the database for the given part.</returns>
+        public static List<SidekickPartPresetRow> GetAllByPart(DatabaseManager dbManager, SidekickPart part)
+        {
+            List<SidekickPartPresetRow> presetParts = dbManager.GetCurrentDbConnection().Table<SidekickPartPresetRow>()
+                .Where(presetPart => presetPart.PtrPart == part.ID)
+                .ToList();
+
+            foreach (SidekickPartPresetRow presetPart in presetParts)
+            {
+                Decorate(dbManager, presetPart);
+            }
+
+            return presetParts;
+        }
+
+        /// <summary>
+        ///     Ensures that the given preset has its nice DTO class properties set
+        /// </summary>
+        /// <param name="dbManager">The Database Manager to use.</param>
+        /// <param name="partPreset">The color preset to decorate</param>
+        /// <returns>A color set with all DTO class properties set</returns>
+        private static void Decorate(DatabaseManager dbManager, SidekickPartPresetRow partPreset)
+        {
+            if (partPreset != null)
+            {
+                if (partPreset.PartPreset == null && partPreset.PtrPreset >= 0)
+                {
+                    partPreset.PartPreset = SidekickPartPreset.GetByID(dbManager, partPreset.PtrPreset);
+                }
+
+                if (partPreset.Part == null && partPreset.PtrPart >= 0)
+                {
+                    partPreset.Part = SidekickPart.GetByID(dbManager, partPreset.PtrPart);
+                }
+                else if (partPreset.Part == null && partPreset.PtrPart < 0)
+                {
+                    SidekickPart part = SidekickPart.SearchForByName(dbManager, partPreset.PartName);
+                    if (part != null)
+                    {
+                        partPreset.Part = part;
+                    }
+                }
+            }
+
+        }
+
+        /// <summary>
+        ///     Updates or Inserts this item in the Database.
+        /// </summary>
+        /// <param name="dbManager">The database manager to use.</param>
+        public int Save(DatabaseManager dbManager)
+        {
+            if (ID < 0)
+            {
+                dbManager.GetCurrentDbConnection().Insert(this);
+                // in theory this could return a different ID, but in practice it's highly unlikely
+                ID = (int) SQLite3.LastInsertRowid(dbManager.GetCurrentDbConnection().Handle);
+            }
+            dbManager.GetCurrentDbConnection().Update(this);
+            return ID;
+        }
+
+        /// <summary>
+        ///     Deletes this item from the database
+        /// </summary>
+        /// <param name="dbManager">The database manager to use.</param>
+        public void Delete(DatabaseManager dbManager)
+        {
+            dbManager.GetCurrentDbConnection().Delete<SidekickPartPresetRow>(ID);
+        }
+
+        /// <summary>
+        ///     Checks whether the associated part has a file that exists in the project.
+        /// </summary>
+        /// <returns>True if the part has a file in the project; otherwise False.</returns>
+        public bool HasValidPart()
+        {
+            return Part == null || Part.FileExists;
+        }
+    }
+}