diff --git a/Configurations/.gitkeep b/Configurations/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/Configurations/XAIServiceConfiguration.cs b/Configurations/XAIServiceConfiguration.cs
deleted file mode 100644
index b739ef0..0000000
--- a/Configurations/XAIServiceConfiguration.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-namespace xAiService.Configurations
-{
-    public partial class XAIServiceConfiguration
-    {
-        public string Url { get; set; }
-        public string XPoweredValue { get; set; }
-        public int DefaultClientTimeout { get; set; } = 360;
-    }
-}
\ No newline at end of file
diff --git a/Constants/XAiApiConstants.cs b/Constants/XAiApiConstants.cs
deleted file mode 100644
index 4c02778..0000000
--- a/Constants/XAiApiConstants.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace xAiService.Constants
-{
-    public struct XAiApiQueryParams
-    {
-        public const string Prompt = "prompt";
-    }
-}
\ No newline at end of file
diff --git a/Constants/XAiApiEndpoint.cs b/Constants/XAiApiEndpoint.cs
deleted file mode 100644
index e5c9634..0000000
--- a/Constants/XAiApiEndpoint.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using xExceptions.Attributes;
-
-namespace xAiService.Constants
-{
-    public enum XAiApiEndpoint
-    {
-        [StringValue("AskAI")]
-        Ask,
-        [StringValue("AskAIStream")]
-        Stream,
-    }
-}
\ No newline at end of file
diff --git a/DI/XDIHelperExtension.cs b/DI/XDIHelperExtension.cs
index d2ea949..b035f5e 100644
--- a/DI/XDIHelperExtension.cs
+++ b/DI/XDIHelperExtension.cs
@@ -1,174 +1,5 @@
-using System;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.DependencyInjection;
-using xAiService.Configurations;
-using xAiService.Constants;
-using xAiService.Extensions;
-using xAiService.Interfaces;
-using xAiService.Services;
-using xCommons.Extensions;
-using xExceptions.Constants;
-
 namespace xAiService.DI
 {
     public static partial class XDIHelperExtension
-    {
-        /// <summary>
-        /// Extract AI Service Configuration ...
-        /// </summary>
-        /// <param name="source"></param>
-        /// <returns></returns>
-        public static XAIServiceConfiguration GetXAIServiceConfiguration(this IConfiguration source)
-        {
-            //
-            XAIServiceConfiguration result = null;
-
-            //
-            var section = source.GetSection(ConfigurationNodeNames.AI_SERVICE_NODE);
-            if (!section.IsNull())
-            {
-                result = section.Get<XAIServiceConfiguration>();
-            }
-
-            //
-            return result;
-        }
-
-        /// <summary>
-        /// Add AI Service Configuration ...
-        /// </summary>
-        /// <param name="source"></param>
-        /// <param name="configuration"></param>
-        public static void AddXAIServiceConfiguration(
-            this IServiceCollection source,
-            XAIServiceConfiguration configuration
-        )
-        {
-            source.AddSingleton<XAIServiceConfiguration>(configuration);
-        }
-
-        /// <summary>
-        /// Adding XAiService ...
-        /// </summary>
-        /// <param name="services"></param>
-        /// <param name="configuration"></param>
-        /// <param name="lifeTime"></param>
-        public static void AddXAIService(
-            this IServiceCollection services,
-            IConfiguration configuration,
-            ServiceLifetime lifeTime = ServiceLifetime.Scoped
-        )
-        {
-            //
-            var config = configuration.GetXAIServiceConfiguration();
-            AddAIService(
-                services,
-                config,
-                lifeTime
-            );
-        }
-
-        /// <summary>
-        /// Adding XAiService ...
-        /// </summary>
-        /// <param name="services"></param>
-        /// <param name="configuration"></param>
-        /// <param name="lifeTime"></param>
-        public static void AddXAIService(
-            this IServiceCollection services,
-            XAIServiceConfiguration configuration,
-            ServiceLifetime lifeTime = ServiceLifetime.Scoped
-        )
-        {
-            //
-            AddAIService(
-                services,
-                configuration,
-                lifeTime
-            );
-        }
-
-        //
-        #region Private ...
-        /// <summary>
-        /// a LogTag for Service ...
-        /// </summary>
-        private static string XLogTag = "XFileService";
-
-        /// <summary>
-        /// print a log in Console ...
-        /// </summary>
-        /// <param name="message"></param>
-        private static void Log(string message)
-        {
-            Console.WriteLine($"{XLogTag} => {message}");
-        }
-
-        /// <summary>
-        /// Adding Ai Service ...
-        /// </summary>
-        /// <param name="services"></param>
-        /// <param name="configuration"></param>
-        /// <param name="lifeTime"></param>
-        private static void AddAIService(
-            this IServiceCollection services,
-            XAIServiceConfiguration configuration,
-            ServiceLifetime lifeTime = ServiceLifetime.Singleton
-        )
-        {
-            //
-            var exception = XException.InvalidArgs.ToException(); ;
-
-            //
-            // Services ...
-            var isServicesExists = !services.IsNull();
-            if (!isServicesExists)
-            {
-                //
-                Log("AddAIService failed, services not provided ...");
-                throw exception;
-            }
-
-            //
-            // Lifetime ...
-            var isLifetimeExists = !lifeTime.IsNull();
-            if (!isLifetimeExists)
-            {
-                //
-                Log("AddAIService failed, lifetime not provided ...");
-                throw exception;
-            }
-
-            //
-            // Check Dependencies Exists ...
-            var isDependenciesPassed = true;
-            if (!isDependenciesPassed)
-            {
-                //
-                Log("AddAIService failed due Dependencies Issues, not provided ...");
-                throw exception;
-            }
-
-            //
-            // Validate Configurations ...
-            var isConfigurationExists =
-                !configuration.IsNull() &&
-                configuration.IsValid();
-            if (!isConfigurationExists)
-            {
-                //
-                Log("AddAIService failed due InValid Service Configuration or not provided ...");
-                throw exception;
-            }
-
-            //
-            // Register Configurations ...
-            services.AddXAIServiceConfiguration(configuration);
-
-            //
-            // Register Services ...
-            services.Add(new ServiceDescriptor(typeof(IXAiService), typeof(XAiService), lifeTime));
-        }
-        #endregion
-    }
+    { }
 }
\ No newline at end of file
diff --git a/Extensions/.gitkeep b/Extensions/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/Extensions/ConfigurationExtensions.cs b/Extensions/ConfigurationExtensions.cs
deleted file mode 100644
index 47d4335..0000000
--- a/Extensions/ConfigurationExtensions.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-using xAiService.Configurations;
-using xCommons.Extensions;
-
-namespace xAiService.Extensions
-{
-    public static class ModelExtensions
-    {
-        /// <summary>
-        /// Validate XAiServiceConfiguration ...
-        /// </summary>
-        /// <param name="source"></param>
-        /// <returns></returns>
-        public static bool IsValid(this XAIServiceConfiguration source)
-        {
-            //
-            bool result =
-                !source.IsNull() &&
-                !source.Url.IsNullOrEmpty() &&
-                source.Url.IsValidUrl();
-
-            //
-            return result;
-        }
-    }
-}
\ No newline at end of file
diff --git a/Extensions/PromptExtensions.cs b/Extensions/PromptExtensions.cs
deleted file mode 100644
index 176f48a..0000000
--- a/Extensions/PromptExtensions.cs
+++ /dev/null
@@ -1,60 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-using xAiService.Models.Dtos;
-using xCommons.Extensions;
-
-namespace xAiService.Extensions
-{
-    public static class PromptExtensions
-    {
-        /// <summary>
-        /// Get Template Params Filled Prompt ...
-        /// </summary>
-        /// <param name="source"></param>
-        /// <param name="params"></param>
-        /// <returns></returns>
-        public static string GetMessage(
-            this XPromptDto source,
-            IDictionary<string, string> @params = null
-        )
-        {
-            //
-            var result = string.Empty;
-
-            //
-            if (!source.IsNullOrDefault() &&
-                !source.Prompt.IsNullOrEmpty()
-            )
-            {
-                result = source.Prompt;
-            }
-
-            //
-            // Check Params Conditions ...
-            if (!source.Params.IsNullOrDefault() &&
-                source.Params.HasChild() &&
-                !@params.IsNullOrDefault() &&
-                @params.HasChild()
-            )
-            {
-                //
-                // Select Params ...
-                var existsParams = source.Params
-                    .Where(p => @params.Any(pr => pr.Key == p.Name))
-                    .Distinct()
-                    .ToList();
-
-                //
-                // Replace Selected Params ...
-                existsParams
-                    .ForEach(pk =>
-                    {
-                        result = result.Replace(pk.Param, @params[pk.Name]);
-                    });
-            }
-
-            //
-            return result;
-        }
-    }
-}
\ No newline at end of file
diff --git a/Helpers/VectorHelper.cs b/Helpers/VectorHelper.cs
new file mode 100644
index 0000000..ba66271
--- /dev/null
+++ b/Helpers/VectorHelper.cs
@@ -0,0 +1,86 @@
+using System;
+using xCommons.Extensions;
+
+namespace xAiService.Helpers
+{
+    public static class VectorHelper
+    {
+        /// <summary>
+        /// Normalize a Vector ...
+        /// </summary>
+        /// <param name="vector"></param>
+        public static void Normalize(float[] vector)
+        {
+            //
+            // Validate ...
+            if (vector.IsNull() || !vector.HasChild())
+            {
+                return;
+            }
+
+            //
+            float sum = 0f;
+            foreach (var value in vector)
+            {
+                sum += value * value;
+            }
+
+            //
+            float norm = MathF.Sqrt(sum);
+            if (norm <= 1e-9f)
+            {
+                return;
+            }
+
+            //
+            for (int i = 0; i < vector.Length; i++)
+            {
+                vector[i] /= norm;
+            }
+        }
+
+        /// <summary>
+        /// Similarity Check ...
+        /// </summary>
+        /// <param name="a"></param>
+        /// <param name="b"></param>
+        /// <returns></returns>
+        public static float CosineSimilarity(float[] a, float[] b)
+        {
+            //
+            if (a.IsNull() || b.IsNull())
+            {
+                return 0f;
+            }
+
+            //
+            if (a.Length != b.Length)
+            {
+                return 0f;
+            }
+
+            //
+            float dot = 0f;
+            float normA = 0f;
+            float normB = 0f;
+            for (int i = 0; i < a.Length; i++)
+            {
+                //
+                dot += a[i] * b[i];
+                normA += a[i] * a[i];
+                normB += b[i] * b[i];
+            }
+
+            //
+            float denominator = MathF.Sqrt(normA) * MathF.Sqrt(normB);
+            if (denominator <= 1e-9f)
+            {
+                return 0f;
+            }
+
+            //
+            var result = dot / denominator;
+            return result;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Helpers/XPromptHelper.cs b/Helpers/XPromptHelper.cs
deleted file mode 100644
index e5b6f8e..0000000
--- a/Helpers/XPromptHelper.cs
+++ /dev/null
@@ -1,83 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-using xAiService.Models.Dtos;
-using xCommons.Extensions;
-
-namespace xAiService.Helpers
-{
-    public static class XPromptHelper
-    {
-        /// <summary>
-        /// Holds Initialized Prompts ...
-        /// </summary>
-        private static XPromptsDto prompts;
-
-        /// <summary>
-        /// Initialize Prompt Helper ...
-        /// </summary>
-        /// <param name="path"></param>
-        /// <exception cref="Exception"></exception>
-        /// <exception cref="InvalidDataException"></exception>
-        public static void Initialize(string path = "prompts.json")
-        {
-            //
-            // Create full Path and Check File Exists ...
-            var fullPath = Path.Combine(AppContext.BaseDirectory, path);
-            if (!File.Exists(fullPath))
-            {
-                throw new Exception($"Prompts Resources not found: {fullPath}");
-            }
-
-            //
-            // Read File as Json Text ...
-            var json = File.ReadAllText(fullPath);
-            var options = new JsonSerializerOptions
-            {
-                AllowTrailingCommas = true,
-                PropertyNameCaseInsensitive = true,
-                ReadCommentHandling = JsonCommentHandling.Skip,
-                Converters =
-                {
-                    new JsonStringEnumConverter(
-                        namingPolicy: null,
-                        allowIntegerValues: false
-                    )
-                }
-            };
-
-            //
-            // Serialized Root Object ...
-            var root = JsonSerializer.Deserialize<XPromptsDto>(json, options);
-            if (!root.IsNullOrDefault())
-            {
-                prompts = new XPromptsDto { Prompts = root.Prompts };
-            }
-        }
-
-        /// <summary>
-        /// Retrieve all Allowed Prompts as Enumerable ...
-        /// </summary>
-        /// <returns></returns>
-        public static IEnumerable<XPromptDto> GetPrompts()
-        {
-            return prompts!.Prompts.AsEnumerable();
-        }
-
-        /// <summary>
-        /// Get Specified Prompt ...
-        /// </summary>
-        /// <param name="name"></param>
-        /// <returns></returns>
-        /// <exception cref="Exception"></exception>
-        public static XPromptDto GetPrompt(string name)
-        {
-            //
-            return GetPrompts()
-                .FirstOrDefault(p => p.Name == name);
-        }
-    }
-}
\ No newline at end of file
diff --git a/Interfaces/IXAiService.cs b/Interfaces/IXAiService.cs
deleted file mode 100644
index 389c693..0000000
--- a/Interfaces/IXAiService.cs
+++ /dev/null
@@ -1,61 +0,0 @@
-using System.IO;
-using System.Threading;
-using System.Threading.Tasks;
-using Microsoft.Extensions.AI;
-using xAiService.Configurations;
-using xIdentityModels.Models;
-using xIdentityService.Interfaces;
-
-namespace xAiService.Interfaces
-{
-    public interface IXAiService : IXBaseIdentityHttpProvider
-    {
-        /// <summary>
-        /// XAiService Configurations ...
-        /// </summary>
-        /// <value></value>
-        XAIServiceConfiguration Configuration { get; }
-
-        //
-        #region Text Actions ...
-        /// <summary>
-        /// Generated Response ...
-        /// </summary>
-        /// <param name="prompt"></param>
-        /// <param name="userInfo"></param>
-        /// <param name="cancellationToken"></param>
-        /// <returns></returns>
-        public Task<ChatResponse> GetResponseAsync(
-            string prompt,
-            XUserClaimsInfoDto userInfo,
-            CancellationToken cancellationToken = default
-        );
-
-        /// <summary>
-        /// Generated Response ...
-        /// </summary>
-        /// <param name="prompt"></param>
-        /// <param name="userInfo"></param>
-        /// <param name="cancellationToken"></param>
-        /// <returns></returns>
-        public Task<string> GetTextResponseAsync(
-            string prompt,
-            XUserClaimsInfoDto userInfo,
-            CancellationToken cancellationToken = default
-        );
-
-        /// <summary>
-        /// Generate Text Response Stream ...
-        /// </summary>
-        /// <param name="prompt"></param>
-        /// <param name="userInfo"></param>
-        /// <param name="cancellationToken"></param>
-        /// <returns></returns>
-        Task<Stream> GetTextReponseStreamAsync(
-            string prompt,
-            XUserClaimsInfoDto userInfo,
-            CancellationToken cancellationToken = default
-        );
-        #endregion
-    }
-}
\ No newline at end of file
diff --git a/Interfaces/IXAiServiceControllerBase.cs b/Interfaces/IXAiServiceControllerBase.cs
deleted file mode 100644
index 9d1fe38..0000000
--- a/Interfaces/IXAiServiceControllerBase.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-using System.Threading;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Mvc;
-
-namespace xAiService.Interfaces
-{
-    public interface IXAiServiceControllerBase
-    {
-        Task<ActionResult<string>> Ask(
-            [FromQuery] string prompt,
-            CancellationToken cancellationToken = default
-        );
-        
-        Task<ActionResult> AskStream(
-            [FromQuery] string prompt,
-            CancellationToken cancellationToken = default
-        );        
-    }
-}
\ No newline at end of file
diff --git a/Models/Dtos/XPromptsDto.cs b/Models/Dtos/XPromptsDto.cs
deleted file mode 100644
index 3b38f33..0000000
--- a/Models/Dtos/XPromptsDto.cs
+++ /dev/null
@@ -1,57 +0,0 @@
-namespace xAiService.Models.Dtos
-{
-    /// <summary>
-    /// Described Prompts in app ...
-    /// </summary>
-    public class XPromptsDto
-    {
-        public XPromptDto[] Prompts { get; set; } = [];
-    }
-
-    /// <summary>
-    /// a Single Prompt Description ...
-    /// </summary>
-    public class XPromptDto
-    {
-        /// <summary>
-        /// Prompt Name ...
-        /// </summary>
-        public string Name { get; set; }
-
-        /// <summary>
-        /// Prompt Template Message ...
-        /// </summary>
-        public string Prompt { get; set; }
-
-        /// <summary>
-        /// Prompt Description ...
-        /// </summary>
-        public string Description { get; set; }
-
-        /// <summary>
-        /// Describe Prompt Params ...
-        /// </summary>
-        public virtual XPromptParamDto[] Params { get; set; } = null;
-    }
-
-    /// <summary>
-    /// Prompt Param used to Fill dynamic Datas to Specified Prompts ...
-    /// </summary>
-    public class XPromptParamDto
-    {
-        /// <summary>
-        /// Param Name ...
-        /// </summary>
-        public string Name { get; set; }
-
-        /// <summary>
-        /// Parma Identifier ...
-        /// </summary>
-        public string Param { get; set; }
-
-        /// <summary>
-        /// Param Description ...
-        /// </summary>
-        public string Description { get; set; }
-    }
-}
\ No newline at end of file
diff --git a/Services/XAiService.cs b/Services/XAiService.cs
deleted file mode 100644
index f3843fc..0000000
--- a/Services/XAiService.cs
+++ /dev/null
@@ -1,143 +0,0 @@
-using System.Collections.Generic;
-using System.IO;
-using System.Threading;
-using System.Threading.Tasks;
-using Microsoft.Extensions.AI;
-using Microsoft.Extensions.Logging;
-using xAiService.Configurations;
-using xAiService.Constants;
-using xAiService.Interfaces;
-using xCommons.Providers;
-using xHttpService.Constants;
-using xIdentityModels.Models;
-using xIdentityService.Interfaces;
-using xIdentityService.Providers;
-
-namespace xAiService.Services
-{
-    public class XAiService : XBaseIdentityHttpProvider, IXAiService
-    {
-        /// <summary>
-        /// XAiService Configurations ...
-        /// </summary>
-        /// <value></value>
-        public XAIServiceConfiguration Configuration { get; }
-
-        public XAiService(
-            ILogger<XAiService> logger,
-            IXTokenProvider tokenProvider,
-            IXIdentityProvider identityProvider,
-            XAIServiceConfiguration configuration,
-            XValidationProvider validationProvider
-        ) : base(
-            configuration.Url,
-            logger,
-            configuration.XPoweredValue,
-            configuration.DefaultClientTimeout,
-            tokenProvider,
-            identityProvider,
-            validationProvider
-        )
-        { }
-
-        //
-        #region Text Actions ...
-        /// <summary>
-        /// Generated Response ...
-        /// </summary>
-        /// <param name="prompt"></param>
-        /// <param name="userInfo"></param>
-        /// <param name="cancellationToken"></param>
-        /// <returns></returns>
-        public Task<ChatResponse> GetResponseAsync(
-            string prompt,
-            XUserClaimsInfoDto userInfo,
-            CancellationToken cancellationToken = default
-        )
-        {
-            throw new System.NotImplementedException();
-        }
-
-        /// <summary>
-        /// Generated Response ...
-        /// </summary>
-        /// <param name="prompt"></param>
-        /// <param name="userInfo"></param>
-        /// <param name="cancellationToken"></param>
-        /// <returns></returns>
-        public async Task<string> GetTextResponseAsync(
-            string prompt,
-            XUserClaimsInfoDto userInfo,
-            CancellationToken cancellationToken = default
-        )
-        {
-            //
-            // Validate Args ...
-            ValidationProvider.NotEmpty(prompt);
-
-            //
-            var client = GetRestClient(userInfo);
-            var request = GetRestRequet(
-                endpoint: XAiApiEndpoint.Ask,
-                addXPoweredValue: true,
-                queryStrings: new Dictionary<string, string>
-                {
-                    { XAiApiQueryParams.Prompt, prompt }
-                }
-            );
-
-            //
-            var response = await RunRestRequest<string>(
-                client,
-                request,
-                XHttpMethod.GET,
-                cancellationToken: cancellationToken
-            );
-
-            //
-            return response;
-        }
-
-        /// <summary>
-        /// Generate Text Response Stream ...
-        /// </summary>
-        /// <param name="prompt"></param>
-        /// <param name="userInfo"></param>
-        /// <param name="cancellationToken"></param>
-        /// <returns></returns>
-        public async Task<Stream> GetTextReponseStreamAsync(
-            string prompt,
-            XUserClaimsInfoDto userInfo,
-            CancellationToken cancellationToken = default
-        )
-        {
-            //
-            // Validate Args ...
-            ValidationProvider
-                .GroupValidationBuilder()
-                .AddNotEmpty(prompt)
-                .AddNotNull(userInfo)
-                .AddNotZero(userInfo.ExpiresAt)
-                .AddNotEmpty(userInfo.AccessToken)
-                .AddNotEmpty(userInfo.RefreshToken)
-                .ValidateGroup();
-
-            //
-            var tokens = ToTokenResponse(userInfo);
-            var result = await StreamData(
-                tokens: tokens,
-                addXPoweredValue: true,
-                endpoint: XAiApiEndpoint.Stream,
-                cancellationToken: cancellationToken,
-                queryStrings: new Dictionary<string, string>
-                {
-                    { XAiApiQueryParams.Prompt, prompt }
-                }
-            );
-
-            //
-            return result;
-        }
-        #endregion
-    }
-}
\ No newline at end of file
diff --git a/nuget.config b/nuget.config
index 394df7c..c596e72 100644
--- a/nuget.config
+++ b/nuget.config
@@ -2,6 +2,6 @@
 <configuration>
   <packageSources>
     <add key="nuget" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
-    <add key="baget" value="https://nuget.saherelmhub.ir/v3/index.json" protocolVersion="3" disableTLSCertificateValidation="true" />
+    <!-- <add key="baget" value="https://nuget.saherelmhub.ir/v3/index.json" protocolVersion="3" disableTLSCertificateValidation="true" /> -->
   </packageSources>
 </configuration>
\ No newline at end of file
diff --git a/xAiService.csproj b/xAiService.csproj
index 67a70a0..cd0c4e2 100644
--- a/xAiService.csproj
+++ b/xAiService.csproj
@@ -25,19 +25,14 @@
   <!-- Local Projects -->
   <ItemGroup>
     <ProjectReference Include="..\xAiModels\xAiModels.csproj" />
-    <!-- <ProjectReference Include="..\xCommons\xCommons.csproj" />
-    <ProjectReference Include="..\xIdentityHelper\xIdentityHelper.csproj" /> -->
   </ItemGroup>
 
   <!-- Local Modules -->
   <ItemGroup>
-    <!-- <PackageReference Include="xDashboard.xCommons" Version="1.0.0" /> -->
-    <!-- <PackageReference Include="xDashboard.xIdentityService" Version="1.0.0" /> -->
   </ItemGroup>
 
   <!-- Dependencies -->
   <ItemGroup>
-    <!-- <PackageReference Include="Microsoft.Extensions.AI" Version="10.4.1" /> -->
   </ItemGroup>
 
   <!-- For XML Documentation Support -->