diff --git a/WelsonJS.Toolkit/WelsonJS.Esent/Column.cs b/WelsonJS.Toolkit/WelsonJS.Esent/Column.cs
index a5274ba..b23dc67 100644
--- a/WelsonJS.Toolkit/WelsonJS.Esent/Column.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Esent/Column.cs
@@ -1,6 +1,6 @@
 // Column.cs (WelsonJS.Esent)
 // SPDX-License-Identifier: MIT
-// SPDX-FileCopyrightText: 2025 Namhyeon Go, Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Namhyeon Go <gnh1201@catswords.re.kr>, Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Esent/DataStore.cs b/WelsonJS.Toolkit/WelsonJS.Esent/EsentDatabase.cs
similarity index 92%
rename from WelsonJS.Toolkit/WelsonJS.Esent/DataStore.cs
rename to WelsonJS.Toolkit/WelsonJS.Esent/EsentDatabase.cs
index 0842913..ef0a71e 100644
--- a/WelsonJS.Toolkit/WelsonJS.Esent/DataStore.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Esent/EsentDatabase.cs
@@ -1,6 +1,6 @@
 // DataStore.cs (WelsonJS.Esent)
 // SPDX-License-Identifier: MIT
-// SPDX-FileCopyrightText: 2025 Namhyeon Go, Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Namhyeon Go <gnh1201@catswords.re.kr>, Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
@@ -13,11 +13,13 @@ using Microsoft.Isam.Esent.Interop;
 
 namespace WelsonJS.Esent
 {
-    public class DataStore : IDisposable
+    public class EsentDatabase : IDisposable
     {
         private const string _primaryKeyindexName = "primary";
         private const string _indexNamePrefix = "idx_";
+        private const string _databaseName = "metadata.edb";
 
+        private readonly ICompatibleLogger _logger;
         private static readonly object _lock = new object();
         private static bool _initialized = false;
         private static Instance _instance;
@@ -30,8 +32,10 @@ namespace WelsonJS.Esent
         private readonly Column _primaryKey;
         private readonly Dictionary<string, JET_COLUMNID> _columnIds;
 
-        public DataStore(Schema schema, string workingDirectory)
+        public EsentDatabase(Schema schema, string workingDirectory, ICompatibleLogger logger = null)
         {
+            _logger = logger ?? new TraceLogger();
+
             _primaryKey = schema.PrimaryKey;
 
             if (schema == null)
@@ -74,10 +78,10 @@ namespace WelsonJS.Esent
                 if (_initialized) return;
 
                 // set the file path
-                _filePath = Path.Combine(_workingDirectory, "metadata.edb");
+                _filePath = Path.Combine(_workingDirectory, _databaseName);
 
                 // config the instance
-                _instance = new Instance("WelsonJS.Launcher.MetadataStore");
+                _instance = new Instance(typeof(EsentDatabase).Namespace);
                 _instance.Parameters.SystemDirectory = _workingDirectory;
                 _instance.Parameters.LogFileDirectory = _workingDirectory;
                 _instance.Parameters.TempDirectory = _workingDirectory;
@@ -160,7 +164,7 @@ namespace WelsonJS.Esent
                     }
                     catch (EsentColumnNotFoundException)
                     {
-                        Trace.TraceWarning($"Column '{col.Name}' not found.");
+                        _logger.Warn($"Column '{col.Name}' not found.");
                     }
                 }
             }
@@ -201,7 +205,7 @@ namespace WelsonJS.Esent
 
                     if (expectSeek != found)
                     {
-                        Trace.TraceWarning($"[ESENT] Operation skipped. Seek result = {found}, expected = {expectSeek}");
+                        _logger.Warn($"[ESENT] Operation skipped. Seek result = {found}, expected = {expectSeek}");
                         Api.JetRollback(_session, RollbackTransactionGrbit.None);
                         return false;
                     }
@@ -312,7 +316,7 @@ namespace WelsonJS.Esent
                 case JET_coltyp.LongBinary:
                     return Api.RetrieveColumn(session, table, columnId);
                 default:
-                    Trace.TraceWarning($"[ESENT] Unsupported RetrieveColumn type: {type}");
+                    _logger.Warn($"[ESENT] Unsupported RetrieveColumn type: {type}");
                     return null;
             }
         }
@@ -323,13 +327,13 @@ namespace WelsonJS.Esent
 
             if (!values.TryGetValue(_primaryKey.Name, out keyValue))
             {
-                Trace.TraceWarning($"[ESENT] Missing primary key '{_primaryKey.Name}'.");
+                _logger.Warn($"[ESENT] Missing primary key '{_primaryKey.Name}'.");
                 return false;
             }
 
             if (keyValue == null)
             {
-                Trace.TraceWarning("[ESENT] Primary key value cannot be null.");
+                _logger.Warn("[ESENT] Primary key value cannot be null.");
                 return false;
             }
 
@@ -351,7 +355,7 @@ namespace WelsonJS.Esent
             {
                 if (!_columnIds.TryGetValue(kv.Key, out var colid))
                 {
-                    Trace.TraceWarning($"[ESENT] Column '{kv.Key}' not found in cache.");
+                    _logger.Warn($"[ESENT] Column '{kv.Key}' not found in cache.");
                     continue;
                 }
 
@@ -384,7 +388,7 @@ namespace WelsonJS.Esent
                     Api.SetColumn(session, table, columnId, (byte[])value);
                     break;
                 default:
-                    Trace.TraceWarning($"[ESENT] Unsupported SetColumn type: {type}");
+                    _logger.Warn($"[ESENT] Unsupported SetColumn type: {type}");
                     break;
             }
         }
@@ -410,7 +414,7 @@ namespace WelsonJS.Esent
                     Api.MakeKey(session, table, (byte[])value, MakeKeyGrbit.NewKey);
                     break;
                 default:
-                    Trace.TraceWarning($"[ESENT] Unsupported MakeKey type: {type}");
+                    _logger.Warn($"[ESENT] Unsupported MakeKey type: {type}");
                     break;
             }
         }
diff --git a/WelsonJS.Toolkit/WelsonJS.Esent/ICompatibleLogger.cs b/WelsonJS.Toolkit/WelsonJS.Esent/ICompatibleLogger.cs
new file mode 100644
index 0000000..2af7225
--- /dev/null
+++ b/WelsonJS.Toolkit/WelsonJS.Esent/ICompatibleLogger.cs
@@ -0,0 +1,17 @@
+// ICompatibleLogger.cs (WelsonJS.Esent)
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: 2025 Namhyeon Go <gnh1201@catswords.re.kr>, Catswords OSS and WelsonJS Contributors
+// https://github.com/gnh1201/welsonjs
+// 
+// We use the ICompatibleLogger interface to maintain a BCL-first style.
+// This allows for later replacement with logging libraries such as ILogger or Log4Net.
+// 
+namespace WelsonJS.Esent
+{
+    public interface ICompatibleLogger
+    {
+        void Info(string message);
+        void Warn(string message);
+        void Error(string message);
+    }
+}
diff --git a/WelsonJS.Toolkit/WelsonJS.Esent/README.md b/WelsonJS.Toolkit/WelsonJS.Esent/README.md
new file mode 100644
index 0000000..38d3a7d
--- /dev/null
+++ b/WelsonJS.Toolkit/WelsonJS.Esent/README.md
@@ -0,0 +1,58 @@
+# WelsonJS.Esent
+
+WelsonJS.Esent is a library that enables the use of the [ESENT](https://learn.microsoft.com/en-us/windows/win32/extensible-storage-engine/extensible-storage-engine) database (also known as the Extensible Storage Engine or JET Blue).
+
+Although it was developed to support the WelsonJS framework, it can be used in any .NET-based project.
+
+For more details, refer to the [WelsonJS Documentation](https://catswords-oss.rdbl.io/5719744820/5330609327).
+
+## Example code
+
+```csharp
+using WelsonJS.Esent;
+
+// connect the database to manage an instances
+Schema schema = new Schema("Instances", new List<Column>
+{
+    new Column("InstanceId", typeof(string), 255),
+    new Column("FirstDeployTime", typeof(DateTime), 1)
+});
+schema.SetPrimaryKey("InstanceId");
+_db = new EsentDatabase(schema, Path.GetTempPath());
+
+// Insert row
+try
+{
+    _db.Insert(new Dictionary<string, object>
+    {
+        ["InstanceId"] = instanceId,
+        ["FirstDeployTime"] = now
+    }, out _);
+}
+catch (Exception ex)
+{
+    // Handle exception
+}
+
+// find all
+var instances = _db.FindAll();
+foreach (var instance in instances)
+{
+    try
+    {
+        string instanceId = instance["InstanceId"].ToString();
+        string firstDeployTime = instance.ContainsKey("FirstDeployTime")
+            ? ((DateTime)instance["FirstDeployTime"]).ToString(_dateTimeFormat)
+            : "Unknown";
+
+        Console.WriteLine($"{firstDeployTime}, {instanceId}");
+    }
+    catch (Exception ex)
+    {
+        // Handle exception
+    }
+}
+
+```
+
+Source code available: https://github.com/gnh1201/welsonjs
diff --git a/WelsonJS.Toolkit/WelsonJS.Esent/Schema.cs b/WelsonJS.Toolkit/WelsonJS.Esent/Schema.cs
index 66b3ea1..1bfaa27 100644
--- a/WelsonJS.Toolkit/WelsonJS.Esent/Schema.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Esent/Schema.cs
@@ -1,6 +1,6 @@
 // Schema.cs (WelsonJS.Esent)
 // SPDX-License-Identifier: MIT
-// SPDX-FileCopyrightText: 2025 Namhyeon Go, Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Namhyeon Go <gnh1201@catswords.re.kr>, Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Esent/TraceLogger.cs b/WelsonJS.Toolkit/WelsonJS.Esent/TraceLogger.cs
new file mode 100644
index 0000000..ad6a282
--- /dev/null
+++ b/WelsonJS.Toolkit/WelsonJS.Esent/TraceLogger.cs
@@ -0,0 +1,19 @@
+// TraceLogger.cs (WelsonJS.Esent)
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: 2025 Namhyeon Go <gnh1201@catswords.re.kr>, Catswords OSS and WelsonJS Contributors
+// https://github.com/gnh1201/welsonjs
+// 
+// We use the ICompatibleLogger interface to maintain a BCL-first style.
+// This allows for later replacement with logging libraries such as ILogger or Log4Net.
+// 
+using System.Diagnostics;
+
+namespace WelsonJS.Esent
+{
+    public class TraceLogger : ICompatibleLogger
+    {
+        public void Info(string message) => Trace.TraceInformation(message);
+        public void Warn(string message) => Trace.TraceWarning(message);
+        public void Error(string message) => Trace.TraceError(message);
+    }
+}
diff --git a/WelsonJS.Toolkit/WelsonJS.Esent/WelsonJS - Backup.Esent.csproj b/WelsonJS.Toolkit/WelsonJS.Esent/WelsonJS - Backup.Esent.csproj
new file mode 100644
index 0000000..e8ee38a
--- /dev/null
+++ b/WelsonJS.Toolkit/WelsonJS.Esent/WelsonJS - Backup.Esent.csproj	
@@ -0,0 +1,39 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <Platforms>AnyCPU;x86</Platforms>
+    <Title>WelsonJS.Esent</Title>
+    <PackageProjectUrl>https://github.com/gnh1201/welsonjs</PackageProjectUrl>
+    <RepositoryUrl>https://github.com/gnh1201/welsonjs</RepositoryUrl>
+    <RepositoryType>git</RepositoryType>
+    <PackageTags>nosql,esent,database</PackageTags>
+    <AssemblyVersion>0.2.7.55</AssemblyVersion>
+    <FileVersion>0.2.7.55</FileVersion>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <Copyright>2025 Namhyeon Go, Catswords OSS and WelsonJS Contributors</Copyright>
+    <Description>Enable ESENT database engine</Description>
+    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
+    <Authors>Namhyeon Go,Catswords OSS</Authors>
+    <PackageIcon></PackageIcon>
+    <PackageReadmeFile></PackageReadmeFile>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\EsentInterop\EsentInterop.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="assets\docs\README.md">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+      <CopyToOutputDirectory>Never</CopyToOutputDirectory>
+    </None>
+    <None Update="assets\img\logo.png">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+      <CopyToOutputDirectory>Never</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>
diff --git a/WelsonJS.Toolkit/WelsonJS.Esent/WelsonJS.Esent.csproj b/WelsonJS.Toolkit/WelsonJS.Esent/WelsonJS.Esent.csproj
index 480cb78..5e1649e 100644
--- a/WelsonJS.Toolkit/WelsonJS.Esent/WelsonJS.Esent.csproj
+++ b/WelsonJS.Toolkit/WelsonJS.Esent/WelsonJS.Esent.csproj
@@ -4,10 +4,40 @@
     <TargetFramework>netstandard2.0</TargetFramework>
     <Platforms>AnyCPU;x86</Platforms>
     <Title>WelsonJS.Esent</Title>
+    <PackageProjectUrl>https://github.com/gnh1201/welsonjs</PackageProjectUrl>
+    <RepositoryUrl>https://github.com/gnh1201/welsonjs</RepositoryUrl>
+    <RepositoryType>git</RepositoryType>
+    <PackageTags>nosql,esent,database</PackageTags>
+    <AssemblyVersion>0.2.7.55</AssemblyVersion>
+    <FileVersion>0.2.7.55</FileVersion>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <Copyright>2025 Namhyeon Go, Catswords OSS and WelsonJS Contributors</Copyright>
+    <Description>Enable ESENT database engine</Description>
+    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
+    <Authors>Namhyeon Go,Catswords OSS</Authors>
+    <PackageIcon></PackageIcon>
+    <PackageReadmeFile></PackageReadmeFile>
   </PropertyGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\EsentInterop\EsentInterop.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="assets\docs\README.md">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+      <CopyToOutputDirectory>Never</CopyToOutputDirectory>
+    </None>
+    <None Update="assets\img\logo.png">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+      <CopyToOutputDirectory>Never</CopyToOutputDirectory>
+    </None>
+    <None Update="README.md">
+      <PackagePath>\</PackagePath>
+      <Pack>True</Pack>
+    </None>
+  </ItemGroup>
+
 </Project>
diff --git a/WelsonJS.Toolkit/WelsonJS.Esent/assets/docs/README.md b/WelsonJS.Toolkit/WelsonJS.Esent/assets/docs/README.md
new file mode 100644
index 0000000..38d3a7d
--- /dev/null
+++ b/WelsonJS.Toolkit/WelsonJS.Esent/assets/docs/README.md
@@ -0,0 +1,58 @@
+# WelsonJS.Esent
+
+WelsonJS.Esent is a library that enables the use of the [ESENT](https://learn.microsoft.com/en-us/windows/win32/extensible-storage-engine/extensible-storage-engine) database (also known as the Extensible Storage Engine or JET Blue).
+
+Although it was developed to support the WelsonJS framework, it can be used in any .NET-based project.
+
+For more details, refer to the [WelsonJS Documentation](https://catswords-oss.rdbl.io/5719744820/5330609327).
+
+## Example code
+
+```csharp
+using WelsonJS.Esent;
+
+// connect the database to manage an instances
+Schema schema = new Schema("Instances", new List<Column>
+{
+    new Column("InstanceId", typeof(string), 255),
+    new Column("FirstDeployTime", typeof(DateTime), 1)
+});
+schema.SetPrimaryKey("InstanceId");
+_db = new EsentDatabase(schema, Path.GetTempPath());
+
+// Insert row
+try
+{
+    _db.Insert(new Dictionary<string, object>
+    {
+        ["InstanceId"] = instanceId,
+        ["FirstDeployTime"] = now
+    }, out _);
+}
+catch (Exception ex)
+{
+    // Handle exception
+}
+
+// find all
+var instances = _db.FindAll();
+foreach (var instance in instances)
+{
+    try
+    {
+        string instanceId = instance["InstanceId"].ToString();
+        string firstDeployTime = instance.ContainsKey("FirstDeployTime")
+            ? ((DateTime)instance["FirstDeployTime"]).ToString(_dateTimeFormat)
+            : "Unknown";
+
+        Console.WriteLine($"{firstDeployTime}, {instanceId}");
+    }
+    catch (Exception ex)
+    {
+        // Handle exception
+    }
+}
+
+```
+
+Source code available: https://github.com/gnh1201/welsonjs
diff --git a/WelsonJS.Toolkit/WelsonJS.Esent/assets/img/logo.png b/WelsonJS.Toolkit/WelsonJS.Esent/assets/img/logo.png
new file mode 100644
index 0000000..4790015
Binary files /dev/null and b/WelsonJS.Toolkit/WelsonJS.Esent/assets/img/logo.png differ
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.Designer.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.Designer.cs
index 46cfbf4..addd665 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.Designer.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.Designer.cs
@@ -15,7 +15,7 @@
         {
             if (disposing && (components != null))
             {
-                _dataStore?.Dispose();  // dispose the database session
+                _db?.Dispose();  // dispose the database session
                 components.Dispose();
             }
             base.Dispose(disposing);
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.cs
index 5b9c07d..28f2137 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.cs
@@ -18,7 +18,7 @@ namespace WelsonJS.Launcher
         private string _entryFileName;
         private string _scriptName;
         private readonly string _dateTimeFormat;
-        private readonly DataStore _dataStore;
+        private readonly EsentDatabase _db;
 
         public InstancesForm()
         {
@@ -37,12 +37,12 @@ namespace WelsonJS.Launcher
                 new Column("FirstDeployTime", typeof(DateTime), 1)
             });
             schema.SetPrimaryKey("InstanceId");
-            _dataStore = new DataStore(schema, Program.GetAppDataPath());
+            _db = new EsentDatabase(schema, Program.GetAppDataPath());
         }
 
-        public DataStore GetDataStore()
+        public EsentDatabase GetDatabaseInstance()
         {
-            return _dataStore;
+            return _db;
         }
 
         private void InstancesForm_Load(object sender, EventArgs e)
@@ -53,7 +53,7 @@ namespace WelsonJS.Launcher
 
         private void LoadInstances()
         {
-            var instances = _dataStore.FindAll();
+            var instances = _db.FindAll();
             foreach (var instance in instances)
             {
                 try
@@ -135,7 +135,7 @@ namespace WelsonJS.Launcher
                 try
                 {
                     Directory.Delete(workingDirectory, true);
-                    _dataStore.DeleteById(instanceId);
+                    _db.DeleteById(instanceId);
                 }
                 catch (Exception ex)
                 {
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs
index 6fb6aa7..162d26d 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs
@@ -169,7 +169,7 @@ namespace WelsonJS.Launcher
             InstancesForm instancesForm = new InstancesForm();
             try
             {
-                instancesForm.GetDataStore().Insert(new Dictionary<string, object>
+                instancesForm.GetDatabaseInstance().Insert(new Dictionary<string, object>
                 {
                     ["InstanceId"] = instanceId,
                     ["FirstDeployTime"] = now