Bump version to 2.4.0-beta in ReC.API.csproj

Updated the project version, assembly version, file version, and informational version from 2.3.0-beta to 2.4.0-beta in the ReC.API.csproj file. This prepares the project for the next beta release.

src/ReC.API/Controllers/RecActionController.cs

@@ -14,13 +14,18 @@ public class RecActionController(IMediator mediator) : ControllerBase
     /// Invokes a batch of RecActions for a given profile.
     /// </summary>
     /// <param name="profileId">The identifier of the profile whose RecActions should be invoked.</param>
+    /// <param name="references">Optional reference values that are passed through to all result records.</param>
     /// <param name="cancel">A token to cancel the operation.</param>
     /// <returns>An HTTP 202 Accepted response indicating the process has been started.</returns>
     [HttpPost("invoke/{profileId}")]
     [ProducesResponseType(StatusCodes.Status202Accepted)]
-    public async Task<IActionResult> Invoke([FromRoute] long profileId, CancellationToken cancel)
+    public async Task<IActionResult> Invoke([FromRoute] long profileId, [FromBody] InvokeReferences references, CancellationToken cancel = default)
     {
-        await mediator.Send(new InvokeBatchRecActionViewsCommand { ProfileId = profileId }, cancel);
+        await mediator.Send(new InvokeBatchRecActionViewsCommand
+        {
+            ProfileId = profileId,
+            References = references
+        }, cancel);
         return Accepted();
     }
 

src/ReC.API/Models/FakeRequest.cs

@@ -1,8 +0,0 @@
-namespace ReC.API.Models;
-
-public class FakeRequest
-{
-    public Dictionary<string, object>? Body { get; init; }
-
-    public Dictionary<string, object>? Header { get; init; }
-}

src/ReC.API/Models/ResultType.cs

@@ -1,17 +0,0 @@
-namespace ReC.API.Models;
-
-public enum ResultType
-{
-    /// <summary>
-    /// Return the full result object.
-    /// </summary>
-    Full,
-    /// <summary>
-    /// Return only the header part of the result.
-    /// </summary>
-    OnlyHeader,
-    /// <summary>
-    /// Return only the body part of the result.
-    /// </summary>
-    OnlyBody
-}

src/ReC.API/Program.cs

@@ -48,10 +48,13 @@ try
                                    ?? throw new InvalidOperationException("Connection string is not found.");
 
             var logger = provider.GetRequiredService<ILogger<RecDbContext>>();
+            var enableSensitiveDataLogging = config.GetValue("EfCore:EnableSensitiveDataLogging", true);
+            var enableDetailedErrors = config.GetValue("EfCore:EnableDetailedErrors", false);
+
             opt.UseSqlServer(cnnStr)
                     .LogTo(log => logger.LogInformation("{log}", log), LogLevel.Trace)
-                    .EnableSensitiveDataLogging()
+                    .EnableSensitiveDataLogging(enableSensitiveDataLogging)
-                    .EnableDetailedErrors();
+                    .EnableDetailedErrors(enableDetailedErrors);
         });
     });
 

src/ReC.API/Properties/PublishProfiles/IISProfile.pubxml

@@ -9,7 +9,7 @@
     <LaunchSiteAfterPublish>true</LaunchSiteAfterPublish>
     <ExcludeApp_Data>false</ExcludeApp_Data>
     <ProjectGuid>420218ad-3c27-4003-9a84-36c92352f175</ProjectGuid>
-    <DesktopBuildPackageLocation>P:\Install .Net\0 DD - Smart UP\ReC\API\$(Version)\Rec.API.zip</DesktopBuildPackageLocation>	  
+    <DesktopBuildPackageLocation>M:\App&amp;Service\0 DD - Smart UP\ReC\API\$(Version)\Rec.API.zip</DesktopBuildPackageLocation>	  
     <PackageAsSingleFile>true</PackageAsSingleFile>
     <DeployIisAppPath>Rec.API</DeployIisAppPath>
     <_TargetId>IISWebDeployPackage</_TargetId>

src/ReC.API/ReC.API.csproj

@@ -10,10 +10,10 @@
 	<Product>ReC.API</Product>
 	<PackageIcon>Assets\icon.ico</PackageIcon>
 	<PackageTags>digital data rest-caller rec api</PackageTags>
-	<Version>2.1.0-beta</Version>
+	<Version>2.4.0-beta</Version>
-	<AssemblyVersion>2.1.0.0</AssemblyVersion>
+	<AssemblyVersion>2.4.0.0</AssemblyVersion>
-	<FileVersion>2.1.0.0</FileVersion>
+	<FileVersion>2.4.0.0</FileVersion>
-	<InformationalVersion>2.1.0-beta</InformationalVersion>
+	<InformationalVersion>2.4.0-beta</InformationalVersion>
 	<Copyright>Copyright © 2025 Digital Data GmbH. All rights reserved.</Copyright>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <NoWarn>$(NoWarn);1591</NoWarn>

src/ReC.API/appsettings.json

@@ -5,9 +5,13 @@
   },
   "AllowedHosts": "*",
   "LuckyPennySoftwareLicenseKey": "eyJhbGciOiJSUzI1NiIsImtpZCI6Ikx1Y2t5UGVubnlTb2Z0d2FyZUxpY2Vuc2VLZXkvYmJiMTNhY2I1OTkwNGQ4OWI0Y2IxYzg1ZjA4OGNjZjkiLCJ0eXAiOiJKV1QifQ.eyJpc3MiOiJodHRwczovL2x1Y2t5cGVubnlzb2Z0d2FyZS5jb20iLCJhdWQiOiJMdWNreVBlbm55U29mdHdhcmUiLCJleHAiOiIxNzg0ODUxMjAwIiwiaWF0IjoiMTc1MzM2MjQ5MSIsImFjY291bnRfaWQiOiIwMTk4M2M1OWU0YjM3MjhlYmZkMzEwM2MyYTQ4NmU4NSIsImN1c3RvbWVyX2lkIjoiY3RtXzAxazB5NmV3MmQ4YTk4Mzg3aDJnbTRuOWswIiwic3ViX2lkIjoiLSIsImVkaXRpb24iOiIwIiwidHlwZSI6IjIifQ.ZqsFG7kv_-xGfxS6ACk3i0iuNiVUXX2AvPI8iAcZ6-z2170lGv__aO32tWpQccD9LCv5931lBNLWSblKS0MT3gOt-5he2TEftwiSQGFwoIBgtOHWsNRMinUrg2trceSp3IhyS3UaMwnxZDrCvx4-0O-kpOzVpizeHUAZNr5U7oSCWO34bpKdae6grtM5e3f93Z1vs7BW_iPgItd-aLvPwApbaG9VhmBTKlQ7b4Jh64y7UXJ9mKP7Qb_Oa97oEg0oY5DPHOWTZWeE1EzORgVr2qkK2DELSHuZ_EIUhODojkClPNAKtvEl_qEjpq0HZCIvGwfCCRlKlSkQqIeZdFkiXg",
+  "EfCore": {
+    "EnableSensitiveDataLogging": true,
+    "EnableDetailedErrors": false
+  },
   "RecAction": {
-    "AddedWho": "ReC.API",
+    "UseHttp1ForNtlm": false,
-    "UseHttp1ForNtlm": false
+    "AutoDetectHeaders": false
   },
   // Bad request SqlException numbers numbers can be updated at runtime; no restart required.
   "SqlException": {

src/ReC.Application/Common/Behaviors/Action/BodyQueryBehavior.cs

@@ -1,23 +1,54 @@
-using MediatR;
+using MediatR;
-using ReC.Application.Common.Dto;
-using ReC.Application.Common.Interfaces;
 using Microsoft.EntityFrameworkCore;
+using ReC.Application.Common.Dto;
+using ReC.Application.Common.Exceptions;
+using ReC.Application.Common.Interfaces;
 
 namespace ReC.Application.Common.Behaviors.Action;
 
 public class BodyQueryBehavior<TRequest, TResponse>(IRecDbContext dbContext) : IPipelineBehavior<TRequest, TResponse>
-    where TRequest : RecActionViewDto
+    where TRequest : notnull
-    where TResponse : notnull
+    where TResponse : IEnumerable<RecActionViewDto>
 {
-    public async Task<TResponse> Handle(TRequest action, RequestHandlerDelegate<TResponse> next, CancellationToken cancel)
+    public async Task<TResponse> Handle(TRequest request, RequestHandlerDelegate<TResponse> next, CancellationToken cancel)
     {
-        if (action.BodyQuery is null)
+        var actions = await next(cancel);
-            return await next(cancel);
 
-        var result = await dbContext.BodyQueryResults.FromSqlRaw(action.BodyQuery).SingleOrDefaultAsync(cancel);
+        foreach (var action in actions)
+            await SetBody(action, cancel);
 
-        action.Body = result?.RawBody;
+        return actions;
+    }
 
-        return await next(cancel);
+    private async Task SetBody(RecActionViewDto action, CancellationToken cancel)
+    {
+        if (action.BodyQuery is not string bodyQuery)
+            return;
+
+        await using var command = dbContext.Database.GetDbConnection().CreateCommand();
+        command.CommandText = bodyQuery;
+
+        await dbContext.Database.OpenConnectionAsync(cancel);
+        try
+        {
+            object? scalar;
+            try
+            {
+                scalar = await command.ExecuteScalarAsync(cancel);
+            }
+            catch (Exception ex)
+            {
+                throw new DataIntegrityException(
+                    $"Body query execution failed. The stored SQL may be malformed. ActionId: {action.Id}, ProfileId: {action.ProfileId}, Error: {ex.Message}");
+            }
+
+            action.Body = scalar as string
+                ?? throw new DataIntegrityException(
+                    $"Body query returned no result or a null value. ActionId: {action.Id}, ProfileId: {action.ProfileId}");
+        }
+        finally
+        {
+            await dbContext.Database.CloseConnectionAsync();
+        }
     }
 }

src/ReC.Application/Common/Behaviors/Action/HeaderQueryBehavior.cs

@@ -1,43 +1,61 @@
-using MediatR;
+using MediatR;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Logging;
 using ReC.Application.Common.Dto;
+using ReC.Application.Common.Exceptions;
 using ReC.Application.Common.Interfaces;
 using System.Text.Json;
 
 namespace ReC.Application.Common.Behaviors.Action;
 
-public class HeaderQueryBehavior<TRequest, TResponse>(IRecDbContext dbContext, ILogger<HeaderQueryBehavior<TRequest, TResponse>>? logger = null) : IPipelineBehavior<TRequest, TResponse>
+public class HeaderQueryBehavior<TRequest, TResponse>(IRecDbContext dbContext) : IPipelineBehavior<TRequest, TResponse>
-    where TRequest : RecActionViewDto
+    where TRequest : notnull
-    where TResponse : notnull
+    where TResponse : IEnumerable<RecActionViewDto>
 {
-    public async Task<TResponse> Handle(TRequest action, RequestHandlerDelegate<TResponse> next, CancellationToken cancel)
+    public async Task<TResponse> Handle(TRequest request, RequestHandlerDelegate<TResponse> next, CancellationToken cancel)
     {
-        if (action.HeaderQuery is null)
+        var actions = await next(cancel);
-            return await next(cancel);
 
-        var result = await dbContext.HeaderQueryResults.FromSqlRaw(action.HeaderQuery).SingleOrDefaultAsync(cancel);
+        foreach (var action in actions)
+            await SetHeader(action, cancel);
 
-        if (result?.RawHeader is null)
+        return actions;
+    }
+
+    private async Task SetHeader(RecActionViewDto action, CancellationToken cancel)
+    {
+        if (action.HeaderQuery is not string headerQuery)
+            return;
+
+        await using var command = dbContext.Database.GetDbConnection().CreateCommand();
+        command.CommandText = headerQuery;
+
+        await dbContext.Database.OpenConnectionAsync(cancel);
+        try
         {
-            logger?.LogWarning("Header query did not return a result or returned a null REQUEST_HEADER. Profile ID: {ProfileId}, Action ID: {Id}", action.ProfileId, action.Id);
+            object? scalar;
+            try
+            {
+                scalar = await command.ExecuteScalarAsync(cancel);
+            }
+            catch (Exception ex)
+            {
+                throw new DataIntegrityException(
+                    $"Header query execution failed. The stored SQL may be malformed. ActionId: {action.Id}, ProfileId: {action.ProfileId}, Error: {ex.Message}");
+            }
 
-            return await next(cancel);
+            if (scalar is not string rawHeader)
+                throw new DataIntegrityException(
+                    $"Header query returned no result or a null value. ActionId: {action.Id}, ProfileId: {action.ProfileId}");
+
+            var headerDict = JsonSerializer.Deserialize<Dictionary<string, JsonElement>>(rawHeader)
+                ?? throw new DataIntegrityException(
+                    $"Header query returned invalid JSON. ActionId: {action.Id}, ProfileId: {action.ProfileId}");
+
+            action.Headers = headerDict.ToDictionary(header => header.Key, kvp => kvp.Value.ToString());
         }
-
+        finally
-        var headerDict = JsonSerializer.Deserialize<Dictionary<string, JsonElement>>(result.RawHeader);
-
-        if(headerDict is null)
         {
-            logger?.LogWarning(
+            await dbContext.Database.CloseConnectionAsync();
-                "Header JSON deserialization returned null. RawHeader: {RawHeader}, ProfileId: {ProfileId}, Id: {Id}",
-                result.RawHeader, action.ProfileId, action.Id);
-
-            return await next(cancel);
         }
-
-        action.Headers = headerDict.ToDictionary(header => header.Key, kvp => kvp.Value.ToString());
-
-        return await next(cancel);
     }
 }

src/ReC.Application/Common/Behaviors/InvokeAction/PostprocessingBehavior.cs

@@ -26,7 +26,8 @@ public class PostprocessingBehavior(IRecDbContext context, ISender sender) : IPi
                     Status = RecStatus.OK,
                     ActionId = request.Action.Id,
                     InfoDetail = info,
-                    Type = ResultType.Post
+                    Type = ResultType.Post,
+                    References = request.References
                 }, cancel);
             }
         }
@@ -39,7 +40,8 @@ public class PostprocessingBehavior(IRecDbContext context, ISender sender) : IPi
                 Status = RecStatus.Error,
                 ActionId = request.Action.Id,
                 Error = error,
-                Type = ResultType.Post
+                Type = ResultType.Post,
+                References = request.References
             }, cancel);
 
             if (request.Action.ErrorAction == ErrorAction.Stop)

src/ReC.Application/Common/Behaviors/InvokeAction/PreprocessingBehavior.cs

@@ -23,7 +23,8 @@ public class PreprocessingBehavior(IRecDbContext context, ISender sender) : IPip
                     Status = RecStatus.OK,
                     ActionId = request.Action.Id,
                     InfoDetail = JsonSerializer.Serialize(result),
-                    Type = ResultType.Pre
+                    Type = ResultType.Pre,
+                    References = request.References
                 }, cancel);
             }
         }
@@ -34,7 +35,8 @@ public class PreprocessingBehavior(IRecDbContext context, ISender sender) : IPip
                 Status = RecStatus.Error,
                 ActionId = request.Action.Id,
                 Error = ex.ToString(),
-                Type = ResultType.Pre
+                Type = ResultType.Pre,
+                References = request.References
             }, cancel);
 
             if (request.Action.ErrorAction == ErrorAction.Stop)

src/ReC.Application/Common/Dto/ResultViewDto.cs

@@ -30,6 +30,8 @@ public record ResultViewDto
 
     public string? Error { get; set; }
 
+    public string? BatchId { get; set; }
+
     public string? AddedWho { get; init; }
 
     public DateTime? AddedWhen { get; init; }

src/ReC.Application/Common/Options/RecActionOptions.cs

@@ -3,4 +3,5 @@
 public class RecActionOptions
 {
     public bool UseHttp1ForNtlm { get; set; } = false;
+    public bool AutoDetectHeaders { get; set; } = false;
 }

src/ReC.Application/Common/Procedures/DeleteProcedure/DeleteObjectProcedure.cs

@@ -11,9 +11,9 @@ namespace ReC.Application.Common.Procedures.DeleteProcedure;
 public record DeleteObjectProcedure : IRequest<int>
 {
     /// <summary>
-    /// Target entity: ACTION, ENDPOINT, ENDPOINT_AUTH, ENDPOINT_PARAMS, PROFILE, RESULT
+    /// Target entity for the delete operation.
     /// </summary>
-    public string Entity { get; set; } = null!;
+    public required EntityType Entity { get; set; }
 
     /// <summary>
     /// Start GUID/ID (inclusive)

src/ReC.Application/Common/Procedures/EntityType.cs

@@ -0,0 +1,51 @@
+namespace ReC.Application.Common.Procedures;
+
+/// <summary>
+/// Represents the target entity type for stored procedure operations (Insert, Update, Delete).
+/// </summary>
+public enum EntityType
+{
+    /// <summary>
+    /// A scheduled or configured action within a profile that invokes an endpoint (maps to TBREC_CFG_ACTION).
+    /// </summary>
+    Action,
+
+    /// <summary>
+    /// A REST endpoint URI configuration (maps to TBREC_CFG_ENDPOINT).
+    /// </summary>
+    Endpoint,
+
+    /// <summary>
+    /// Authentication credentials for an endpoint such as API key, Bearer token, or NTLM (maps to TBREC_CFG_ENDPOINT_AUTH).
+    /// </summary>
+    EndpointAuth,
+
+    /// <summary>
+    /// Key-value parameters attached to an endpoint (maps to TBREC_CFG_ENDPOINT_PARAMS).
+    /// </summary>
+    EndpointParams,
+
+    /// <summary>
+    /// A profile that groups one or more actions and defines execution settings (maps to TBREC_CFG_PROFILE).
+    /// </summary>
+    Profile,
+
+    /// <summary>
+    /// The outcome of an action invocation including HTTP status, headers, body, and error details (maps to TBREC_OUT_RESULT).
+    /// </summary>
+    Result
+}
+
+public static class EntityTypeExtensions
+{
+    public static string ToDbString(this EntityType entityType) => entityType switch
+    {
+        EntityType.Action => "ACTION",
+        EntityType.Endpoint => "ENDPOINT",
+        EntityType.EndpointAuth => "ENDPOINT_AUTH",
+        EntityType.EndpointParams => "ENDPOINT_PARAMS",
+        EntityType.Profile => "PROFILE",
+        EntityType.Result => "RESULT",
+        _ => throw new ArgumentOutOfRangeException(nameof(entityType), $"Not expected entity type value: {entityType}")
+    };
+}

src/ReC.Application/Common/Procedures/InsertProcedure/InsertObjectProcedure.cs

@@ -18,9 +18,9 @@ namespace ReC.Application.Common.Procedures.InsertProcedure;
 public record InsertObjectProcedure : IRequest<long>
 {
     /// <summary>
-    /// Target entity: ACTION, ENDPOINT, ENDPOINT_AUTH, ENDPOINT_PARAMS, PROFILE, RESULT
+    /// Target entity for the insert operation.
     /// </summary>
-    public string Entity { get; set; } = null!;
+    public required EntityType Entity { get; set; }
 
     //TODO: update to set in authentication middleware or similar, and remove from procedure properties
     internal string? AddedWho { get; private set; } = "ReC.API";
@@ -76,18 +76,19 @@ public class InsertObjectProcedureHandler(IRepository repo, IOptionsMonitor<SqlE
             .Add("pPROFILE_LOG_LEVEL_ID", request.Profile?.LogLevelId, SqlDbType.TinyInt)
             .Add("pPROFILE_LANGUAGE_ID", request.Profile?.LanguageId, SqlDbType.SmallInt)
             .Add("pRESULT_ACTION_ID", request.Result?.ActionId)
-            .Add("pRESULT_STATUS_ID", request.Result?.Status, SqlDbType.SmallInt)
+            .Add("pRESULT_STATUS_ID", request.Result?.Status, SqlDbType.TinyInt)
             .Add("pRESULT_TYPE_ID", request.Result?.Type is not null ? (byte)request.Result.Type : null, SqlDbType.TinyInt)
             .Add("pRESULT_HEADER", request.Result?.Header)
             .Add("pRESULT_BODY", request.Result?.Body)
-            .Add("pRESULT_INFO", request.Result?.Info)
+            .Add("pRESULT_INFO_ID", request.Result?.Info, SqlDbType.SmallInt)
             .Add("pRESULT_INFO_DETAIL", request.Result?.InfoDetail)
             .Add("pRESULT_ERROR", request.Result?.Error)
-            .Add("pRESULT_REFERENCE1", request.Result?.Reference1)
+            .Add("pRESULT_BATCH_ID", request.Result?.References?.BatchId)
-            .Add("pRESULT_REFERENCE2", request.Result?.Reference2)
+            .Add("pRESULT_REFERENCE1", request.Result?.References?.Reference1)
-            .Add("pRESULT_REFERENCE3", request.Result?.Reference3)
+            .Add("pRESULT_REFERENCE2", request.Result?.References?.Reference2)
-            .Add("pRESULT_REFERENCE4", request.Result?.Reference4)
+            .Add("pRESULT_REFERENCE3", request.Result?.References?.Reference3)
-            .Add("pRESULT_REFERENCE5", request.Result?.Reference5)
+            .Add("pRESULT_REFERENCE4", request.Result?.References?.Reference4)
+            .Add("pRESULT_REFERENCE5", request.Result?.References?.Reference5)
             .Add("pENDPOINT_PARAMS_ACTIVE", request.EndpointParams?.Active)
             .Add("pENDPOINT_PARAMS_DESCRIPTION", request.EndpointParams?.Description)
             .Add("pENDPOINT_PARAMS_GROUP_ID", request.EndpointParams?.GroupId, SqlDbType.SmallInt)

src/ReC.Application/Common/Procedures/StoredProcedureBuilder.cs

@@ -1,4 +1,5 @@
 using Microsoft.Data.SqlClient;
+using Microsoft.EntityFrameworkCore.Metadata.Internal;
 using System.Data;
 using System.Text;
 
@@ -19,6 +20,9 @@ internal sealed class StoredProcedureBuilder(string procedureName, string? retur
         _execSql.AppendLine($"{_separator}@{name} = @{name}");
         _separator = ',';
 
+        if (!dbType.HasValue && value is DateTime)
+            dbType = SqlDbType.DateTime;
+
         if (dbType.HasValue)
             _parameters.Add(new SqlParameter($"@{name}", dbType.Value) { Value = value });
         else
@@ -27,6 +31,22 @@ internal sealed class StoredProcedureBuilder(string procedureName, string? retur
         return this;
     }
 
+    public StoredProcedureBuilder Add(string name, EntityType entityType)
+    {
+        var entityTypeStr = entityType switch
+        {
+            EntityType.Action => "ACTION",
+            EntityType.Endpoint => "ENDPOINT",
+            EntityType.EndpointAuth => "ENDPOINT_AUTH",
+            EntityType.EndpointParams => "ENDPOINT_PARAMS",
+            EntityType.Profile => "PROFILE",
+            EntityType.Result => "RESULT",
+            _ => throw new ArgumentOutOfRangeException(nameof(entityType), $"Not expected entity type value: {entityType}")
+        };
+
+        return Add(name, entityTypeStr);
+    }
+
     public StoredProcedureBuilder AddOutput(string name, SqlDbType dbType)
     {
         _execSql.AppendLine($"{_separator}@{name} = @{name} OUTPUT");

src/ReC.Application/Common/Procedures/UpdateProcedure/Dto/UpdateResultDto.cs

@@ -1,4 +1,6 @@
-namespace ReC.Application.Common.Procedures.UpdateProcedure.Dto;
+using ReC.Application.RecActions.Commands;
+
+namespace ReC.Application.Common.Procedures.UpdateProcedure.Dto;
 
 public record UpdateResultDto
 {
@@ -6,12 +8,8 @@ public record UpdateResultDto
     public short? StatusId { get; set; }
     public string? Header { get; set; }
     public string? Body { get; set; }
-    public string? Info { get; set; }
+    public short? Info { get; set; }
     public string? InfoDetail { get; set; }
     public string? Error { get; set; }
-    public string? Reference1 { get; set; }
+    public InvokeReferences? References { get; set; }
-    public string? Reference2 { get; set; }
-    public string? Reference3 { get; set; }
-    public string? Reference4 { get; set; }
-    public string? Reference5 { get; set; }
 }

src/ReC.Application/Common/Procedures/UpdateProcedure/UpdateObjectProcedure.cs

@@ -13,9 +13,9 @@ namespace ReC.Application.Common.Procedures.UpdateProcedure;
 public record UpdateObjectProcedure : IRequest<int>
 {
     /// <summary>
-    /// Target entity: ACTION, ENDPOINT, ENDPOINT_AUTH, ENDPOINT_PARAMS, PROFILE, RESULT
+    /// Target entity for the update operation.
     /// </summary>
-    public string Entity { get; set; } = null!;
+    public required EntityType Entity { get; set; }
 
     /// <summary>
     /// Target GUID to update (required)
@@ -86,17 +86,18 @@ public class UpdateObjectProcedureHandler(IRepository repo, IOptionsMonitor<SqlE
             .Add("pPROFILE_LAST_RUN", request.Profile.LastRun)
             .Add("pPROFILE_LAST_RESULT", request.Profile.LastResult)
             .Add("pRESULT_ACTION_ID", request.Result.ActionId)
-            .Add("pRESULT_STATUS_ID", request.Result.StatusId, SqlDbType.SmallInt)
+            .Add("pRESULT_STATUS_ID", request.Result.StatusId, SqlDbType.TinyInt)
             .Add("pRESULT_HEADER", request.Result.Header)
             .Add("pRESULT_BODY", request.Result.Body)
-            .Add("pRESULT_INFO", request.Result.Info)
+            .Add("pRESULT_INFO_ID", request.Result.Info, SqlDbType.SmallInt)
             .Add("pRESULT_INFO_DETAIL", request.Result.InfoDetail)
             .Add("pRESULT_ERROR", request.Result.Error)
-            .Add("pRESULT_REFERENCE1", request.Result.Reference1)
+            .Add("pRESULT_BATCH_ID", request.Result.References?.BatchId)
-            .Add("pRESULT_REFERENCE2", request.Result.Reference2)
+            .Add("pRESULT_REFERENCE1", request.Result.References?.Reference1)
-            .Add("pRESULT_REFERENCE3", request.Result.Reference3)
+            .Add("pRESULT_REFERENCE2", request.Result.References?.Reference2)
-            .Add("pRESULT_REFERENCE4", request.Result.Reference4)
+            .Add("pRESULT_REFERENCE3", request.Result.References?.Reference3)
-            .Add("pRESULT_REFERENCE5", request.Result.Reference5);
+            .Add("pRESULT_REFERENCE4", request.Result.References?.Reference4)
+            .Add("pRESULT_REFERENCE5", request.Result.References?.Reference5);
 
         try
         {

src/ReC.Application/Common/Validations/DeleteObjectProcedureValidator.cs

@@ -0,0 +1,22 @@
+using FluentValidation;
+using ReC.Application.Common.Procedures.DeleteProcedure;
+
+namespace ReC.Application.Common.Validations;
+
+public class DeleteObjectProcedureValidator : AbstractValidator<DeleteObjectProcedure>
+{
+    public DeleteObjectProcedureValidator()
+    {
+        RuleFor(x => x.Entity)
+            .IsInEnum()
+            .WithMessage("ENTITY must be a valid EntityType value.");
+
+        RuleFor(x => x.Start)
+            .GreaterThan(0)
+            .WithMessage("Start GUID/ID must be greater than 0.");
+
+        RuleFor(x => x.End)
+            .GreaterThanOrEqualTo(x => x.Start)
+            .WithMessage("End GUID/ID must be greater than or equal to Start GUID/ID.");
+    }
+}

src/ReC.Application/Common/Validations/InsertObjectProcedureValidator.cs

@@ -7,11 +7,9 @@ public class InsertObjectProcedureValidator : AbstractValidator<InsertObjectProc
 {
     public InsertObjectProcedureValidator()
     {
-        // ENTITY must be one of the allowed values
         RuleFor(x => x.Entity)
-            .NotEmpty()
+            .IsInEnum()
-            .Must(e => e is "ACTION" or "ENDPOINT" or "ENDPOINT_AUTH" or "ENDPOINT_PARAMS" or "PROFILE" or "RESULT")
+            .WithMessage("ENTITY must be a valid EntityType value.");
-            .WithMessage("ENTITY must be one of: ACTION, ENDPOINT, ENDPOINT_AUTH, ENDPOINT_PARAMS, PROFILE, RESULT.");
 
         // ACTION validation
         When(x => x.Action != null, () =>

src/ReC.Application/Common/Validations/InsertResultCommandValidator.cs

@@ -0,0 +1,21 @@
+using FluentValidation;
+using ReC.Application.Results.Commands;
+
+namespace ReC.Application.Common.Validations;
+
+public class InsertResultCommandValidator : AbstractValidator<InsertResultCommand>
+{
+    public InsertResultCommandValidator()
+    {
+        RuleFor(x => x.ActionId)
+            .NotNull()
+            .WithMessage("ActionId is required.")
+            .GreaterThan(0L)
+            .When(x => x.ActionId.HasValue)
+            .WithMessage("ActionId must be greater than 0.");
+
+        RuleFor(x => x.References.BatchId)
+            .NotEmpty()
+            .WithMessage("BatchId is required.");
+    }
+}

src/ReC.Application/Common/Validations/InvokeBatchRecActionViewsCommandValidator.cs

@@ -0,0 +1,22 @@
+using FluentValidation;
+using MediatR;
+using ReC.Application.RecActions.Commands;
+using ReC.Application.Results.Queries;
+
+namespace ReC.Application.Common.Validations;
+
+public class InvokeBatchRecActionViewsCommandValidator : AbstractValidator<InvokeBatchRecActionViewsCommand>
+{
+    public InvokeBatchRecActionViewsCommandValidator(ISender sender)
+    {
+        RuleFor(x => x.References.BatchId)
+            .NotEmpty()
+            .WithMessage("BatchId is required.")
+            .MustAsync(async (batchId, cancel) =>
+            {
+                var any = await sender.Send(new AnyResultViewQuery(BatchId: batchId), cancel);
+                return !any;
+            })
+            .WithMessage(x => $"Cannot invoke rec actions for batch '{x.References.BatchId}' because there are already results associated with it.");
+    }
+}

src/ReC.Application/Common/Validations/ReadProfileViewQueryValidator.cs

@@ -0,0 +1,15 @@
+using FluentValidation;
+using ReC.Application.Profile.Queries;
+
+namespace ReC.Application.Common.Validations;
+
+public class ReadProfileViewQueryValidator : AbstractValidator<ReadProfileViewQuery>
+{
+    public ReadProfileViewQueryValidator()
+    {
+        RuleFor(x => x.Id)
+            .GreaterThan(0)
+            .When(x => x.Id.HasValue)
+            .WithMessage("Id must be greater than 0.");
+    }
+}

src/ReC.Application/Common/Validations/ReadRecActionViewQueryValidator.cs

@@ -0,0 +1,15 @@
+using FluentValidation;
+using ReC.Application.RecActions.Queries;
+
+namespace ReC.Application.Common.Validations;
+
+public class ReadRecActionViewQueryValidator : AbstractValidator<ReadRecActionViewQuery>
+{
+    public ReadRecActionViewQueryValidator()
+    {
+        RuleFor(x => x.ProfileId)
+            .GreaterThan(0)
+            .When(x => x.ProfileId.HasValue)
+            .WithMessage("ProfileId must be greater than 0.");
+    }
+}

src/ReC.Application/Common/Validations/ReadResultViewQueryValidator.cs

@@ -0,0 +1,34 @@
+using FluentValidation;
+using ReC.Application.Results.Queries;
+
+namespace ReC.Application.Common.Validations;
+
+public class ReadResultViewQueryValidator : AbstractValidator<ReadResultViewQuery>
+{
+    public ReadResultViewQueryValidator()
+    {
+        RuleFor(x => x)
+            .Must(x => x.Id.HasValue || x.ActionId.HasValue || x.ProfileId.HasValue || x.BatchId is not null)
+            .WithMessage("At least one filter (Id, ActionId, ProfileId or BatchId) must be provided.");
+
+        RuleFor(x => x.Id)
+            .GreaterThan(0)
+            .When(x => x.Id.HasValue)
+            .WithMessage("Id must be greater than 0.");
+
+        RuleFor(x => x.ActionId)
+            .GreaterThan(0)
+            .When(x => x.ActionId.HasValue)
+            .WithMessage("ActionId must be greater than 0.");
+
+        RuleFor(x => x.ProfileId)
+            .GreaterThan(0)
+            .When(x => x.ProfileId.HasValue)
+            .WithMessage("ProfileId must be greater than 0.");
+
+        RuleFor(x => x.BatchId)
+            .NotEmpty()
+            .When(x => x.BatchId is not null)
+            .WithMessage("BatchId must not be empty when provided.");
+    }
+}

src/ReC.Application/Common/Validations/UpdateObjectProcedureValidator.cs

@@ -0,0 +1,52 @@
+using FluentValidation;
+using ReC.Application.Common.Procedures.UpdateProcedure;
+
+namespace ReC.Application.Common.Validations;
+
+public class UpdateObjectProcedureValidator : AbstractValidator<UpdateObjectProcedure>
+{
+    public UpdateObjectProcedureValidator()
+    {
+        RuleFor(x => x.Entity)
+            .IsInEnum()
+            .WithMessage("ENTITY must be a valid EntityType value.");
+
+        RuleFor(x => x.Id)
+            .GreaterThan(0)
+            .WithMessage("Target GUID/ID must be greater than 0.");
+
+        RuleFor(x => x.ChangedWho)
+            .MaximumLength(50)
+            .When(x => x.ChangedWho != null);
+
+        When(x => x.Endpoint is { Description: not null }, () =>
+        {
+            RuleFor(x => x.Endpoint.Description)
+                .MaximumLength(250);
+        });
+
+        When(x => x.EndpointAuth is { Description: not null }, () =>
+        {
+            RuleFor(x => x.EndpointAuth.Description)
+                .MaximumLength(250);
+        });
+
+        When(x => x.Profile is { Name: not null }, () =>
+        {
+            RuleFor(x => x.Profile.Name)
+                .MaximumLength(50);
+        });
+
+        When(x => x.Profile is { Mandantor: not null }, () =>
+        {
+            RuleFor(x => x.Profile.Mandantor)
+                .MaximumLength(50);
+        });
+
+        When(x => x.Profile is { Description: not null }, () =>
+        {
+            RuleFor(x => x.Profile.Description)
+                .MaximumLength(250);
+        });
+    }
+}

src/ReC.Application/EndpointAuth/Commands/DeleteEndpointAuthCommand.cs

@@ -1,5 +1,6 @@
 using MediatR;
 using ReC.Application.Common.Procedures.DeleteProcedure;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.EndpointAuth.Commands;
 
@@ -27,7 +28,7 @@ public class DeleteEndpointAuthProcedureHandler(ISender sender) : IRequestHandle
     {
         return await sender.Send(new DeleteObjectProcedure
         {
-            Entity = "ENDPOINT_AUTH",
+            Entity = EntityType.EndpointAuth,
             Start = request.Start,
             End = request.End,
             Force = request.Force

src/ReC.Application/EndpointAuth/Commands/InsertEndpointAuthCommand.cs

@@ -1,5 +1,6 @@
-using MediatR;
+using MediatR;
 using ReC.Application.Common.Procedures.InsertProcedure;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.EndpointAuth.Commands;
 
@@ -24,7 +25,7 @@ public class InsertEndpointAuthProcedureHandler(ISender sender) : IRequestHandle
     {
         return await sender.Send(new InsertObjectProcedure
         {
-            Entity = "ENDPOINT_AUTH",
+            Entity = EntityType.EndpointAuth,
             EndpointAuth = request
         }, cancel);
     }

src/ReC.Application/EndpointAuth/Commands/UpdateEndpointAuthCommand.cs

@@ -1,6 +1,7 @@
 using MediatR;
 using ReC.Application.Common.Procedures.UpdateProcedure;
 using ReC.Application.Common.Procedures.UpdateProcedure.Dto;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.EndpointAuth.Commands;
 
@@ -17,7 +18,7 @@ public class UpdateEndpointAuthProcedureHandler(ISender sender) : IRequestHandle
     {
         return await sender.Send(new UpdateObjectProcedure
         {
-            Entity = "ENDPOINT_AUTH",
+            Entity = EntityType.EndpointAuth,
             Id = request.Id,
             EndpointAuth = request.Data
         }, cancel);

src/ReC.Application/EndpointParams/Commands/DeleteEndpointParamsCommand.cs

@@ -1,5 +1,6 @@
 using MediatR;
 using ReC.Application.Common.Procedures.DeleteProcedure;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.EndpointParams.Commands;
 
@@ -27,7 +28,7 @@ public class DeleteEndpointParamsProcedureHandler(ISender sender) : IRequestHand
     {
         return await sender.Send(new DeleteObjectProcedure
         {
-            Entity = "ENDPOINT_PARAMS",
+            Entity = EntityType.EndpointParams,
             Start = request.Start,
             End = request.End,
             Force = request.Force

src/ReC.Application/EndpointParams/Commands/InsertEndpointParamsCommand.cs

@@ -1,5 +1,6 @@
-using MediatR;
+using MediatR;
 using ReC.Application.Common.Procedures.InsertProcedure;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.EndpointParams.Commands;
 
@@ -19,7 +20,7 @@ public class InsertEndpointParamsProcedureHandler(ISender sender) : IRequestHand
     {
         return await sender.Send(new InsertObjectProcedure
         {
-            Entity = "ENDPOINT_PARAMS",
+            Entity = EntityType.EndpointParams,
             EndpointParams = request
         }, cancel);
     }

src/ReC.Application/EndpointParams/Commands/UpdateEndpointParamsCommand.cs

@@ -1,6 +1,7 @@
 using MediatR;
 using ReC.Application.Common.Procedures.UpdateProcedure;
 using ReC.Application.Common.Procedures.UpdateProcedure.Dto;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.EndpointParams.Commands;
 
@@ -17,7 +18,7 @@ public class UpdateEndpointParamsProcedureHandler(ISender sender) : IRequestHand
     {
         return await sender.Send(new UpdateObjectProcedure
         {
-            Entity = "ENDPOINT_PARAMS",
+            Entity = EntityType.EndpointParams,
             Id = request.Id,
             EndpointParams = request.Data
         }, cancel);

src/ReC.Application/Endpoints/Commands/DeleteEndpointCommand.cs

@@ -1,5 +1,6 @@
 using MediatR;
 using ReC.Application.Common.Procedures.DeleteProcedure;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.Endpoints.Commands;
 
@@ -27,7 +28,7 @@ public class DeleteEndpointProcedureHandler(ISender sender) : IRequestHandler<De
     {
         return await sender.Send(new DeleteObjectProcedure
         {
-            Entity = "ENDPOINT",
+            Entity = EntityType.Endpoint,
             Start = request.Start,
             End = request.End,
             Force = request.Force

src/ReC.Application/Endpoints/Commands/InsertEndpointCommand.cs

@@ -1,5 +1,6 @@
-using MediatR;
+using MediatR;
 using ReC.Application.Common.Procedures.InsertProcedure;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.Endpoints.Commands;
 
@@ -16,7 +17,7 @@ public class InsertEndpointProcedureHandler(ISender sender) : IRequestHandler<In
     {
         return await sender.Send(new InsertObjectProcedure
         {
-            Entity = "ENDPOINT",
+            Entity = EntityType.Endpoint,
             Endpoint = request
         }, cancel);
     }

src/ReC.Application/Endpoints/Commands/UpdateEndpointCommand.cs

@@ -1,6 +1,7 @@
 using MediatR;
 using ReC.Application.Common.Procedures.UpdateProcedure;
 using ReC.Application.Common.Procedures.UpdateProcedure.Dto;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.Endpoints.Commands;
 
@@ -17,7 +18,7 @@ public class UpdateEndpointProcedureHandler(ISender sender) : IRequestHandler<Up
     {
         return await sender.Send(new UpdateObjectProcedure
         {
-            Entity = "ENDPOINT",
+            Entity = EntityType.Endpoint,
             Id = request.Id,
             Endpoint = request.Data
         }, cancel);

src/ReC.Application/Profile/Commands/DeleteProfileCommand.cs

@@ -1,5 +1,6 @@
 using MediatR;
 using ReC.Application.Common.Procedures.DeleteProcedure;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.Profile.Commands;
 
@@ -27,7 +28,7 @@ public class DeleteProfileProcedureHandler(ISender sender) : IRequestHandler<Del
     {
         return await sender.Send(new DeleteObjectProcedure
         {
-            Entity = "PROFILE",
+            Entity = EntityType.Profile,
             Start = request.Start,
             End = request.End,
             Force = request.Force

src/ReC.Application/Profile/Commands/InsertProfileCommand.cs

@@ -1,5 +1,6 @@
-using MediatR;
+using MediatR;
 using ReC.Application.Common.Procedures.InsertProcedure;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.Profile.Commands;
 
@@ -20,7 +21,7 @@ public class InsertProfileProcedureHandler(ISender sender) : IRequestHandler<Ins
     {
         return await sender.Send(new InsertObjectProcedure
         {
-            Entity = "PROFILE",
+            Entity = EntityType.Profile,
             Profile = request
         }, cancel);
     }

src/ReC.Application/Profile/Commands/UpdateProfileCommand.cs

@@ -1,6 +1,7 @@
 using MediatR;
 using ReC.Application.Common.Procedures.UpdateProcedure;
 using ReC.Application.Common.Procedures.UpdateProcedure.Dto;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.Profile.Commands;
 
@@ -17,7 +18,7 @@ public class UpdateProfileProcedureHandler(ISender sender) : IRequestHandler<Upd
     {
         return await sender.Send(new UpdateObjectProcedure
         {
-            Entity = "PROFILE",
+            Entity = EntityType.Profile,
             Id = request.Id,
             Profile = request.Data
         }, cancel);

src/ReC.Application/RecActions/Commands/DeleteActionCommand.cs

@@ -1,5 +1,6 @@
 using MediatR;
 using ReC.Application.Common.Procedures.DeleteProcedure;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.RecActions.Commands;
 
@@ -27,7 +28,7 @@ public class DeleteActionProcedureHandler(ISender sender) : IRequestHandler<Dele
     {
         return await sender.Send(new DeleteObjectProcedure
         {
-            Entity = "ACTION",
+            Entity = EntityType.Action,
             Start = request.Start,
             End = request.End,
             Force = request.Force

src/ReC.Application/RecActions/Commands/InsertActionCommand.cs

@@ -1,6 +1,7 @@
-using MediatR;
+using MediatR;
 using ReC.Application.Common.Procedures.InsertProcedure;
 using ReC.Domain.Constants;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.RecActions.Commands;
 
@@ -27,7 +28,7 @@ public class InsertActionProcedureHandler(ISender sender) : IRequestHandler<Inse
     {
         return await sender.Send(new InsertObjectProcedure
         {
-            Entity = "ACTION",
+            Entity = EntityType.Action,
             Action = request
         }, cancel);
     }

src/ReC.Application/RecActions/Commands/InvokeBatchRecActionViewsCommand.cs

@@ -9,6 +9,7 @@ namespace ReC.Application.RecActions.Commands;
 public record InvokeBatchRecActionViewsCommand : IRequest
 {
     public long ProfileId { get; init; }
+    public required InvokeReferences References { get; init; }
 }
 
 public class InvokeRecActionViewsCommandHandler(ISender sender, ILogger<InvokeRecActionViewsCommandHandler>? logger = null) : IRequestHandler<InvokeBatchRecActionViewsCommand>
@@ -21,7 +22,11 @@ public class InvokeRecActionViewsCommandHandler(ISender sender, ILogger<InvokeRe
         {
             try
             {
-                await sender.Send(new InvokeRecActionViewCommand() { Action = action }, cancel);
+                await sender.Send(new InvokeRecActionViewCommand()
+                {
+                    Action = action,
+                    References = request.References
+                }, cancel);
             }
             catch (RecActionException ex)
             {

src/ReC.Application/RecActions/Commands/InvokeRecActionViewCommand.cs

@@ -1,5 +1,6 @@
 using MediatR;
 using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using ReC.Application.Common.Constants;
 using ReC.Application.Common.Dto;
@@ -18,13 +19,25 @@ namespace ReC.Application.RecActions.Commands;
 public record InvokeRecActionViewCommand : IRequest
 {
     public RecActionViewDto Action { get; set; } = null!;
+    public required InvokeReferences References { get; set; }
+}
+
+public record InvokeReferences
+{
+    public required string BatchId { get; init; }
+    public string? Reference1 { get; init; }
+    public string? Reference2 { get; init; }
+    public string? Reference3 { get; init; }
+    public string? Reference4 { get; init; }
+    public string? Reference5 { get; init; }
 }
 
 public class InvokeRecActionViewCommandHandler(
     IOptions<RecActionOptions> options,
     ISender sender,
     IHttpClientFactory clientFactory,
-    IConfiguration? config = null
+    IConfiguration? config = null,
+    ILogger<InvokeRecActionViewCommandHandler>? logger = null
     ) : IRequestHandler<InvokeRecActionViewCommand>
 {
     private readonly RecActionOptions _options = options.Value;
@@ -46,11 +59,47 @@ public class InvokeRecActionViewCommandHandler(
             using var httpReq = CreateHttpRequestMessage(restType, action.EndpointUri);
 
             if (action.Body is not null)
+            {
                 httpReq.Content = new StringContent(action.Body);
 
+                var contentType = action.Headers?.FirstOrDefault(h => h.Key.Equals("Content-Type", StringComparison.OrdinalIgnoreCase));
+                if (contentType is not null && !string.IsNullOrWhiteSpace(contentType.Value.Value))
+                    try { httpReq.Content.Headers.ContentType = MediaTypeHeaderValue.Parse(contentType.Value.Value); }
+                    catch (FormatException ex)
+                    {
+                        logger?.LogWarning(ex, "Content-Type '{Value}' could not be parsed with strict validation, falling back to TryAddWithoutValidation. ActionId: {ActionId}, ProfileId: {ProfileId}", contentType.Value.Value, action.Id, action.ProfileId);
+                        httpReq.Content.Headers.TryAddWithoutValidation("Content-Type", contentType.Value.Value);
+                    }
+                else if (_options.AutoDetectHeaders)
+                {
+                    var body = action.Body.TrimStart();
+                    if (body.StartsWith('{') || body.StartsWith('['))
+                    {
+                        httpReq.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json") { CharSet = "utf-8" };
+                        logger?.LogWarning("Content-Type header was not specified. Auto-detected 'application/json; charset=utf-8' based on body content. ActionId: {ActionId}, ProfileId: {ProfileId}", action.Id, action.ProfileId);
+                    }
+                    else if (body.StartsWith('<'))
+                    {
+                        httpReq.Content.Headers.ContentType = new MediaTypeHeaderValue("application/xml") { CharSet = "utf-8" };
+                        logger?.LogWarning("Content-Type header was not specified. Auto-detected 'application/xml; charset=utf-8' based on body content. ActionId: {ActionId}, ProfileId: {ProfileId}", action.Id, action.ProfileId);
+                    }
+                }
+            }
+
             if (action.Headers is not null)
-                foreach (var header in action.Headers)
+                foreach (var header in action.Headers.Where(h => !h.Key.Equals("Content-Type", StringComparison.OrdinalIgnoreCase)))
-                    httpReq.Headers.Add(header.Key, header.Value);
+                    try { httpReq.Headers.Add(header.Key, header.Value); }
+                    catch (FormatException ex)
+                    {
+                        logger?.LogWarning(ex, "Header '{Key}' could not be added with strict validation, falling back to TryAddWithoutValidation. ActionId: {ActionId}, ProfileId: {ProfileId}", header.Key, action.Id, action.ProfileId);
+                        httpReq.Headers.TryAddWithoutValidation(header.Key, header.Value);
+                    }
+
+            if (_options.AutoDetectHeaders && !httpReq.Headers.Contains("Accept"))
+            {
+                httpReq.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+                logger?.LogWarning("Accept header was not specified. Defaulting to 'application/json'. ActionId: {ActionId}, ProfileId: {ProfileId}", action.Id, action.ProfileId);
+            }
 
             switch (action.EndpointAuthType)
             {
@@ -63,7 +112,12 @@ public class InvokeRecActionViewCommandHandler(
                         switch (action.EndpointAuthApiKeyAddTo)
                         {
                             case ApiKeyLocation.Header:
-                                httpReq.Headers.Add(apiKey, apiValue);
+                                try { httpReq.Headers.Add(apiKey, apiValue); }
+                                catch (FormatException ex)
+                                {
+                                    logger?.LogWarning(ex, "ApiKey header '{Key}' could not be added with strict validation, falling back to TryAddWithoutValidation. ActionId: {ActionId}, ProfileId: {ProfileId}", apiKey, action.Id, action.ProfileId);
+                                    httpReq.Headers.TryAddWithoutValidation(apiKey, apiValue);
+                                }
                                 break;                        
                             case ApiKeyLocation.Query:                        
                                 var uriBuilder = new UriBuilder(httpReq.RequestUri!);
@@ -86,14 +140,24 @@ public class InvokeRecActionViewCommandHandler(
                 case EndpointAuthType.JwtBearer:
                 case EndpointAuthType.OAuth2:
                     if (action.EndpointAuthToken is string authToken)
-                        httpReq.Headers.Authorization = new AuthenticationHeaderValue("Bearer", authToken);
+                        try { httpReq.Headers.Authorization = new AuthenticationHeaderValue("Bearer", authToken); }
+                        catch (FormatException ex)
+                        {
+                            logger?.LogWarning(ex, "Bearer token could not be set with strict validation, falling back to TryAddWithoutValidation. ActionId: {ActionId}, ProfileId: {ProfileId}", action.Id, action.ProfileId);
+                            httpReq.Headers.TryAddWithoutValidation("Authorization", $"Bearer {authToken}");
+                        }
                     break;
 
                 case EndpointAuthType.BasicAuth:
                     if (action.EndpointAuthUsername is string authUsername && action.EndpointAuthPassword is string authPassword)
                     {
                         var basicAuth = Convert.ToBase64String(Encoding.UTF8.GetBytes($"{authUsername}:{authPassword}"));
-                        httpReq.Headers.Authorization = new AuthenticationHeaderValue("Basic", basicAuth);
+                        try { httpReq.Headers.Authorization = new AuthenticationHeaderValue("Basic", basicAuth); }
+                        catch (FormatException ex)
+                        {
+                            logger?.LogWarning(ex, "Basic auth could not be set with strict validation, falling back to TryAddWithoutValidation. ActionId: {ActionId}, ProfileId: {ProfileId}", action.Id, action.ProfileId);
+                            httpReq.Headers.TryAddWithoutValidation("Authorization", $"Basic {basicAuth}");
+                        }
                     }
                     break;
 
@@ -149,8 +213,9 @@ public class InvokeRecActionViewCommandHandler(
                 ActionId = action.Id,
                 Header = JsonSerializer.Serialize(resHeaders, options: new() { WriteIndented = false }),
                 Body = resBody,
-                Info = ResultView.FormatHttpStatusInfo(response.StatusCode),
+                Info = (short)response.StatusCode,
-                Type = ResultType.Main
+                Type = ResultType.Main,
+                References = request.References
             }, cancel);
         }
         catch(Exception ex)
@@ -160,7 +225,8 @@ public class InvokeRecActionViewCommandHandler(
                 Status = RecStatus.Error,
                 ActionId = action.Id,
                 Error = ex.ToString(),
-                Type = ResultType.Main
+                Type = ResultType.Main,
+                References = request.References
             }, cancel);
 
             if (action.ErrorAction == ErrorAction.Stop)

src/ReC.Application/RecActions/Commands/UpdateActionCommand.cs

@@ -1,6 +1,7 @@
 using MediatR;
 using ReC.Application.Common.Procedures.UpdateProcedure;
 using ReC.Application.Common.Procedures.UpdateProcedure.Dto;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.RecActions.Commands;
 
@@ -17,7 +18,7 @@ public class UpdateActionProcedureHandler(ISender sender) : IRequestHandler<Upda
     {
         return await sender.Send(new UpdateObjectProcedure
         {
-            Entity = "ACTION",
+            Entity = EntityType.Action,
             Id = request.Id,
             Action = request.Data
         }, cancel);

src/ReC.Application/Results/Commands/DeleteResultCommand.cs

@@ -1,5 +1,6 @@
 using MediatR;
 using ReC.Application.Common.Procedures.DeleteProcedure;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.Results.Commands;
 
@@ -27,7 +28,7 @@ public class DeleteResultProcedureHandler(ISender sender) : IRequestHandler<Dele
     {
         return await sender.Send(new DeleteObjectProcedure
         {
-            Entity = "RESULT",
+            Entity = EntityType.Result,
             Start = request.Start,
             End = request.End,
             Force = request.Force

src/ReC.Application/Results/Commands/InsertResultCommand.cs

@@ -1,6 +1,8 @@
-using MediatR;
+using MediatR;
 using ReC.Application.Common.Procedures.InsertProcedure;
+using ReC.Application.RecActions.Commands;
 using ReC.Domain.Constants;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.Results.Commands;
 
@@ -10,15 +12,11 @@ public record InsertResultCommand : IInsertProcedure
     public required RecStatus Status { get; set; }
     public string? Header { get; set; }
     public string? Body { get; set; }
-    public string? Info { get; set; }
+    public short Info { get; set; }
     public string? InfoDetail { get; set; }
     public string? Error { get; set; }
     public required ResultType Type { get; set; }
-    public string? Reference1 { get; set; }
+    public required InvokeReferences References { get; set; }
-    public string? Reference2 { get; set; }
-    public string? Reference3 { get; set; }
-    public string? Reference4 { get; set; }
-    public string? Reference5 { get; set; }
 }
 
 public class InsertResultProcedureHandler(ISender sender) : IRequestHandler<InsertResultCommand, long>
@@ -27,7 +25,7 @@ public class InsertResultProcedureHandler(ISender sender) : IRequestHandler<Inse
     {
         return await sender.Send(new InsertObjectProcedure
         {
-            Entity = "RESULT",
+            Entity = EntityType.Result,
             Result = request
         }, cancel);
     }

src/ReC.Application/Results/Commands/UpdateResultCommand.cs

@@ -1,6 +1,7 @@
 using MediatR;
 using ReC.Application.Common.Procedures.UpdateProcedure;
 using ReC.Application.Common.Procedures.UpdateProcedure.Dto;
+using ReC.Application.Common.Procedures;
 
 namespace ReC.Application.Results.Commands;
 
@@ -17,7 +18,7 @@ public class UpdateResultProcedureHandler(ISender sender) : IRequestHandler<Upda
     {
         return await sender.Send(new UpdateObjectProcedure
         {
-            Entity = "RESULT",
+            Entity = EntityType.Result,
             Id = request.Id,
             Result = request.Data
         }, cancel);

src/ReC.Application/Results/Queries/AnyResultViewQuery.cs

@@ -0,0 +1,35 @@
+using DigitalData.Core.Abstraction.Application.Repository;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using ReC.Domain.Views;
+
+namespace ReC.Application.Results.Queries;
+
+public record AnyResultViewQuery(
+    long? Id = null,
+    long? ActionId = null,
+    long? ProfileId = null,
+    string? BatchId = null
+) : IRequest<bool>;
+
+public class AnyResultViewQueryHandler(IRepository<ResultView> repo) : IRequestHandler<AnyResultViewQuery, bool>
+{
+    public Task<bool> Handle(AnyResultViewQuery request, CancellationToken cancel)
+    {
+        var q = repo.Query;
+
+        if(request.Id is long id)
+            q = q.Where(rv => rv.Id == id);
+
+        if(request.ActionId is long actionId)
+            q = q.Where(rv => rv.ActionId == actionId);
+
+        if(request.ProfileId is long profileId)
+            q = q.Where(rv => rv.ProfileId == profileId);
+
+        if(request.BatchId is string batchId)
+            q = q.Where(rv => rv.BatchId == batchId);
+
+        return q.AnyAsync(cancel);
+    }
+}

src/ReC.Application/Results/Queries/ReadResultViewQuery.cs

@@ -17,11 +17,13 @@ public record ReadResultViewQuery : IRequest<IEnumerable<ResultViewDto>>
 
     public long? ProfileId { get; init; } = null;
 
+    public string? BatchId { get; init; } = null;
+
     public bool IncludeAction { get; init; } = true;
 
     public bool IncludeProfile { get; init; } = false;
 
-    public bool Last { get; init; } = false;
+    public bool LastBatch { get; init; } = false;
 }
 
 public class ReadResultViewQueryHandler(IRepository<ResultView> repo, IMapper mapper) : IRequestHandler<ReadResultViewQuery, IEnumerable<ResultViewDto>>
@@ -39,13 +41,18 @@ public class ReadResultViewQueryHandler(IRepository<ResultView> repo, IMapper ma
         if(request.ProfileId is long profileId)
             q = q.Where(rv => rv.ProfileId == profileId);
 
-        if(request.IncludeAction)
+        if(request.BatchId is string batchId)
+            q = q.Where(rv => rv.BatchId == batchId);
+
+        if (request.IncludeAction)
             q = q.Include(rv => rv.Action);
 
         if(request.IncludeProfile)
             q = q.Include(rv => rv.Profile);
 
-        var entities = request.Last ? [await q.OrderBy(rv => rv.AddedWhen).LastOrDefaultAsync(cancel)] : await q.ToListAsync(cancel);
+        var entities = request.LastBatch
+            ? await GetLastBatchEntitiesAsync(q, cancel)
+            : await q.ToListAsync(cancel);
 
         if (entities.Count == 0)
             throw new NotFoundException($"No result views found for the given criteria. Criteria: {
@@ -58,4 +65,20 @@ public class ReadResultViewQueryHandler(IRepository<ResultView> repo, IMapper ma
 
         return mapper.Map<IEnumerable<ResultViewDto>>(entities);
     }
+
+    private static async Task<List<ResultView>> GetLastBatchEntitiesAsync(IQueryable<ResultView> q, CancellationToken cancel)
+    {
+        var lastBatchId = await q
+            .Where(rv => rv.BatchId != null)
+            .OrderByDescending(rv => rv.AddedWhen)
+            .Select(rv => rv.BatchId)
+            .FirstOrDefaultAsync(cancel);
+
+        if (lastBatchId is null)
+            return [];
+
+        return await q
+            .Where(rv => rv.BatchId == lastBatchId)
+            .ToListAsync(cancel);
+    }
 }

src/ReC.Client/Api/InvokeReferences.cs

@@ -0,0 +1,50 @@
+namespace ReC.Client.Api
+{
+    /// <summary>
+    /// Optional reference values that are passed through to all result records when invoking a profile.
+    /// </summary>
+    public class InvokeReferences
+    {
+        /// <summary>Batch identifier.</summary>
+        public string
+#if NET
+            ?
+#endif
+            BatchId { get; set; }
+
+        /// <summary>Reference value 1.</summary>
+        public string
+#if NET
+            ?
+#endif
+            Reference1 { get; set; }
+
+        /// <summary>Reference value 2.</summary>
+        public string
+#if NET
+            ?
+#endif
+            Reference2 { get; set; }
+
+        /// <summary>Reference value 3.</summary>
+        public string
+#if NET
+            ?
+#endif
+            Reference3 { get; set; }
+
+        /// <summary>Reference value 4.</summary>
+        public string
+#if NET
+            ?
+#endif
+            Reference4 { get; set; }
+
+        /// <summary>Reference value 5.</summary>
+        public string
+#if NET
+            ?
+#endif
+            Reference5 { get; set; }
+    }
+}

src/ReC.Client/Api/RecActionApi.cs

@@ -21,14 +21,28 @@ namespace ReC.Client.Api
         /// Invokes a ReC action for the specified profile.
         /// </summary>
         /// <param name="profileId">The profile identifier.</param>
+        /// <param name="references">Optional reference values to pass through to all result records.</param>
         /// <param name="cancellationToken">A token to cancel the operation.</param>
         /// <returns><see langword="true"/> if the request succeeds; otherwise, <see langword="false"/>.</returns>
-        public async Task<bool> InvokeAsync(int profileId, CancellationToken cancellationToken = default)
+        public async Task<bool> InvokeAsync(int profileId, InvokeReferences references, CancellationToken cancellationToken = default)
         {
-            var resp = await Http.PostAsync($"{ResourcePath}/invoke/{profileId}", content: null, cancellationToken);
+            var content = references != null ? ReCClientHelpers.ToJsonContent(references) : null;
+            var resp = await Http.PostAsync($"{ResourcePath}/invoke/{profileId}", content, cancellationToken);
             return resp.IsSuccessStatusCode;
         }
 
+        /// <summary>
+        /// Invokes a ReC action for the specified profile.
+        /// </summary>
+        /// <param name="profileId">The profile identifier.</param>
+        /// <param name="batchId">Batch identifier.</param>
+        /// <param name="cancellationToken">A token to cancel the operation.</param>
+        /// <returns><see langword="true"/> if the request succeeds; otherwise, <see langword="false"/>.</returns>
+        public Task<bool> InvokeAsync(int profileId, string batchId, CancellationToken cancellationToken = default)
+        {
+            return InvokeAsync(profileId, new InvokeReferences() { BatchId = batchId }, cancellationToken);
+        }
+
         /// <summary>
         /// Retrieves Rec actions.
         /// </summary>

src/ReC.Domain/Constants/RecStatus.cs

@@ -8,7 +8,7 @@
 /// </para>
 /// </summary>
 /// <seealso cref="RecStatusExtensions"/>
-public enum RecStatus : short
+public enum RecStatus : byte
 {
     /// <summary>
     /// Indicates that the operation completed successfully (value 0).

src/ReC.Domain/Views/ResultView.cs

@@ -1,8 +1,6 @@
 using ReC.Domain.Constants;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
-using System.Net;
-using System.Text.RegularExpressions;
 
 namespace ReC.Domain.Views;
 
@@ -56,6 +54,9 @@ public class ResultView
     [Column("RESULT_ERROR")]
     public string? Error { get; set; }
 
+    [Column("BATCH_ID")]
+    public string? BatchId { get; set; }
+
     [Column("REFERENCE1")]
     public string? Reference1 { get; set; }
 
@@ -82,34 +83,4 @@ public class ResultView
 
     [Column("CHANGED_WHEN")]
     public DateTime? ChangedWhen { get; set; }
-
-    private static readonly Regex HttpStatusInfoRegex = new(@"^(\d{3})\s+(.+)$", RegexOptions.Compiled);
-
-    /// <summary>
-    /// Formats an <see cref="HttpStatusCode"/> into a string in the form "statusCode statusName".
-    /// For example, <see cref="HttpStatusCode.NotFound"/> becomes "404 Not Found".
-    /// </summary>
-    public static string FormatHttpStatusInfo(HttpStatusCode statusCode)
-    {
-        var code = (int)statusCode;
-        var name = statusCode.ToString();
-        var displayName = Regex.Replace(name, "(?<!^)([A-Z])", " $1");
-        return $"{code} {displayName}";
-    }
-
-    /// <summary>
-    /// Parses an Info string in the form "statusCode statusName" back into its components.
-    /// Returns <c>null</c> if the string does not match the expected format.
-    /// </summary>
-    public static (int StatusCode, string StatusName)? ParseHttpStatusInfo(string? info)
-    {
-        if (info is null)
-            return null;
-
-        var match = HttpStatusInfoRegex.Match(info);
-        if (!match.Success)
-            return null;
-
-        return (int.Parse(match.Groups[1].Value), match.Groups[2].Value);
-    }
 }

tests/ReC.Tests/Application/RecActions/InvokeBatchDuplicateGuardTests.cs

@@ -0,0 +1,87 @@
+using System.Linq;
+using System.Threading.Tasks;
+using FluentValidation;
+using MediatR;
+using Microsoft.Extensions.DependencyInjection;
+using NUnit.Framework;
+using ReC.Application.RecActions.Commands;
+using ReC.Application.Results.Queries;
+
+namespace ReC.Tests.Application.RecActions;
+
+[TestFixture]
+public class InvokeBatchDuplicateGuardTests : RecApplicationTestBase
+{
+    private const long ProfileId = 3;
+
+    private (ISender Sender, IServiceScope Scope) CreateScopedSender()
+    {
+        var scope = ServiceProvider.CreateScope();
+        var sender = scope.ServiceProvider.GetRequiredService<ISender>();
+        return (sender, scope);
+    }
+
+    [Test]
+    public async Task Invoke_with_existing_batchId_throws_ValidationException()
+    {
+        var (sender, scope) = CreateScopedSender();
+        using var _ = scope;
+
+        // Arrange: read an existing result to get a real BatchId from the database
+        var results = await sender.Send(new ReadResultViewQuery
+        {
+            ProfileId = ProfileId,
+            IncludeAction = false,
+            LastBatch = true
+        });
+
+        var existingBatchId = results.FirstOrDefault()?.BatchId;
+        Assert.That(existingBatchId, Is.Not.Null.And.Not.Empty,
+            $"No results with a BatchId found for ProfileId {ProfileId}. Ensure test data exists in the database.");
+
+        // Act & Assert: invoking with the same BatchId should throw ValidationException
+        var ex = Assert.ThrowsAsync<ValidationException>(async () =>
+            await sender.Send(new InvokeBatchRecActionViewsCommand
+            {
+                ProfileId = ProfileId,
+                References = new InvokeReferences
+                {
+                    BatchId = existingBatchId!
+                }
+            }));
+
+        Assert.That(ex!.Errors.Any(e => e.PropertyName.Contains("BatchId")));
+    }
+
+    [Test]
+    public void Invoke_with_new_batchId_does_not_throw_duplicate_guard()
+    {
+        var (sender, scope) = CreateScopedSender();
+        using var _ = scope;
+
+        var uniqueBatchId = $"test-{System.Guid.NewGuid():N}";
+
+        // This should NOT throw ValidationException for duplicate BatchId.
+        // It may throw other exceptions (e.g., no actions found, endpoint errors),
+        // but the duplicate guard should pass.
+        try
+        {
+            sender.Send(new InvokeBatchRecActionViewsCommand
+            {
+                ProfileId = ProfileId,
+                References = new InvokeReferences
+                {
+                    BatchId = uniqueBatchId
+                }
+            }).GetAwaiter().GetResult();
+        }
+        catch (ValidationException valEx) when (valEx.Errors.Any(e => e.PropertyName.Contains("BatchId")))
+        {
+            Assert.Fail("Duplicate guard should not trigger for a unique BatchId.");
+        }
+        catch
+        {
+            // Other exceptions (endpoint errors, etc.) are acceptable
+        }
+    }
+}

tests/ReC.Tests/Application/Results/ResultProcedureTests.cs

@@ -6,6 +6,7 @@ using NUnit.Framework;
 using ReC.Application.Common.Procedures.DeleteProcedure;
 using ReC.Application.Common.Procedures.InsertProcedure;
 using ReC.Application.Common.Procedures.UpdateProcedure;
+using ReC.Application.RecActions.Commands;
 using ReC.Application.Results.Commands;
 using ReC.Domain.Constants;
 using ReC.Tests.Application;
@@ -25,7 +26,7 @@ public class ResultProcedureTests : RecApplicationTestBase
     [Test]
     public async Task InsertResultProcedure_runs_via_mediator()
     {
-        var procedure = new InsertResultCommand { ActionId = 1, Status = HttpStatusCode.OK.ToRecStatus(), Header = "h", Body = "b", Info = "200", Type = Domain.Constants.ResultType.Main };
+        var procedure = new InsertResultCommand { ActionId = 1, Status = HttpStatusCode.OK.ToRecStatus(), Header = "h", Body = "b", Info = 200, Type = ResultType.Main, References = new () { BatchId = DateTime.Now.ToString() } };
 
         var (sender, scope) = CreateScopedSender();
         using var _ = scope;