Update authorization scheme for GetAsync method

Modified the `[Authorize]` attribute on the `GetAsync` method in the `EnvelopeController` class to specify `AuthenticationSchemes = AuthScheme.Sender`. This change enforces a more specific authentication requirement, allowing access only to users authenticated under the `Sender` scheme.

COPILOT_CONTEXT.md

@@ -0,0 +1,424 @@
+# EnvelopeGenerator — AI Context Reference
+
+## Purpose
+Digital document signing system with **unified Blazor WASM frontend** for both Senders and Receivers. Senders create envelopes and place signature fields. Receivers view PDFs, sign documents, export stamped PDFs.
+
+**Primary Libraries:** DevExpress + PDF.js (PSPDFKit removed)
+
+---
+
+## Deployment Architecture
+
+**Two Presentation Projects (Both Required):**
+
+1. **EnvelopeGenerator.API** (ASP.NET Core Web API)
+   - Runs independently (development & production)
+   - **YARP Reverse Proxy** configured via `yarp.json`
+   - Proxies requests to:
+     - `EnvelopeGenerator.ReceiverUI` (Blazor WASM)
+     - External Auth.API service
+   - Serves as single entry point for all requests
+
+2. **EnvelopeGenerator.ReceiverUI** (Blazor WebAssembly)
+   - Runs on separate host/port
+   - Accessed **only through API proxy** (not directly)
+   - Serves static files (HTML, JS, CSS, WASM)
+
+**Request Flow:**
+```
+Client ? API:8088 (YARP Proxy) ? ReceiverUI:52936 (Blazor WASM)
+                                ? Auth.API:9090 (External Auth Service)
+```
+
+**Configuration:** `EnvelopeGenerator.API/yarp.json`
+
+---
+
+## ReceiverUI Route Structure
+
+### Root Route
+| Route | File | Purpose |
+|---|---|---|
+| `/` | `Index.razor` | Application entry point (landing page). |
+
+### Sender Routes
+| Route | File | Purpose |
+|---|---|---|
+| `/sender/login` | `LoginSenderPage.razor` | Username/password authentication |
+| `/sender` | `EnvelopeSenderPage.razor` | Sender dashboard (envelope list) |
+
+### Receiver Routes
+| Route | File | Purpose |
+|---|---|---|
+| `/envelope/login/{EnvelopeKey}` | `LoginReceiverPage.razor` | Access code authentication for specific envelope |
+| `/envelope/{EnvelopeKey}` | `EnvelopeReceiverPage.razor` | View & sign envelope (PDF.js viewer) |
+
+**Multi-Envelope Support:** Receivers can login to multiple envelopes simultaneously (per-envelope cookie authentication).
+
+---
+
+## Architecture Evolution
+
+### Old Architecture (Deprecated)
+- **Sender UI:** `EnvelopeGenerator.Web` (Razor Pages + PSPDFKit)
+- **Receiver UI:** `EnvelopeGenerator.ReceiverUI` (Blazor WASM + PDF.js)
+- **Backend:** `EnvelopeGenerator.API`
+
+### Current Architecture
+- **Unified Frontend:** `EnvelopeGenerator.ReceiverUI` (Blazor WASM) — **Both Senders & Receivers**
+- **Backend:** `EnvelopeGenerator.API` — **Both Senders & Receivers**
+- **Libraries:** DevExpress + PDF.js
+- **PSPDFKit:** **REMOVED**
+
+---
+
+## Solution Structure
+
+| Project | Target | Purpose |
+|---|---|---|
+| `EnvelopeGenerator.API` | net8.0 | ASP.NET Core Web API. Backend for **both Senders & Receivers**. Auth, PDF serving, signature endpoints. |
+| `EnvelopeGenerator.ReceiverUI` | net8.0 WASM | **Unified Blazor WebAssembly Frontend**. UI for **both Senders & Receivers**. YARP proxy to API. |
+| `EnvelopeGenerator.Web` | net7/8/9 | **DEPRECATED.** Legacy Razor Pages (Sender UI). No longer used. |
+| `EnvelopeGenerator.Application` | multi | MediatR CQRS handlers. Business logic. |
+| `EnvelopeGenerator.Domain` | multi | Domain models, constants, interfaces. |
+| `EnvelopeGenerator.Infrastructure` | multi | EF Core repos, DB context. |
+| `EnvelopeGenerator.PdfEditor` | multi | iText7 utilities (NOT used in ReceiverUI). |
+| `EnvelopeGenerator.DependencyInjection` | multi | DI registration helpers. |
+| **VB.NET projects** (Service/Form/BBTests) | net462 | **Legacy. Do NOT touch.** |
+
+---
+
+## Key Files & Routes
+
+| File | Route/Purpose |
+|---|---|
+| `ReceiverUI/Pages/Index.razor` | `/` — Application entry point (landing page). |
+| `ReceiverUI/Pages/EnvelopeSenderPage.razor` | `/sender` — Sender dashboard (envelope list). |
+| `ReceiverUI/Pages/EnvelopeReceiverPage.razor` | `/envelope/{key}` — Receiver PDF viewer & signing. |
+| `ReceiverUI/Pages/LoginSenderPage.razor` | `/sender/login` — Sender username/password auth. |
+| `ReceiverUI/Pages/LoginReceiverPage.razor` | `/envelope/login/{EnvelopeKey}` — Receiver access code auth. |
+| `ReceiverUI/wwwroot/js/pdf-viewer.js` | PDF.js wrapper (zoom, pagination, thumbnails). |
+| `ReceiverUI/wwwroot/js/receiver-signature.js` | Signature pad (draw/type/image). |
+| `ReceiverUI/wwwroot/css/envelope-viewer.css` | EnvelopeViewer styles. |
+| `ReceiverUI/Services/AuthService.cs` | Receiver + Sender authentication. |
+| `ReceiverUI/Services/SignatureCacheService.cs` | Signature caching (Redis/SQL). |
+| `API/Controllers/CacheController.cs` | Signature cache endpoints. |
+
+---
+
+## Coordinate System — CRITICAL
+
+**Database Format:** INCHES (GdPicture14 native)  
+**Origin:** Top-left corner  
+**Axes:** X right, Y down
+
+### Conversion Formulas
+
+| From INCHES to | Formula | Example |
+|---|---|---|
+| **DevExpress DX** | `x_DX = x_inches * 100` | 1.5" ? 150 DX |
+| **PDF Points** | `x_pt = x_inches * 72` | 1.5" ? 108 pt |
+| **PDF.js Pixels** | Normalize ? scale | `(x_inches / pageWidth) * canvasWidth * scale` |
+
+**A4 Dimensions:**
+- Width: 8.27" = 595pt = 827 DX
+- Height: 11.69" = 842pt = 1169 DX
+
+### Unit Systems
+
+| System | Unit | Origin | Y-Axis |
+|---|---|---|---|
+| **Database (GdPicture14)** | Inches | Top-left | Down |
+| PDF.js | Pixels | Top-left | Down |
+| iText7 PDF | Points (1/72") | **Bottom-left** | **Up** (flip required) |
+| ~~PSPDFKit~~ | ~~Points~~ | ~~Top-left~~ | **REMOVED** |
+
+---
+
+## EnvelopeReceiver — PDF.js Viewer & Signing
+
+**Route:** `/envelope/{EnvelopeKey}`  
+**Tech:** PDF.js 3.11.174 + Blazor WASM + configurable quality  
+**File:** `ReceiverUI/Pages/EnvelopeReceiverPage.razor`
+
+### Key Features
+1. HiDPI/Retina support (4x quality)
+2. Configurable quality (`appsettings.json`)
+3. Unlimited zoom (50%-300%)
+4. Ctrl+Wheel global zoom
+5. Resizable thumbnail sidebar (150-400px, localStorage)
+6. Responsive (desktop/mobile)
+
+### Configuration
+**File:** `ReceiverUI/wwwroot/appsettings.json`
+
+```json
+{
+  "PdfViewer": {
+    "ThumbnailBaseScale": 0.75,
+    "ThumbnailEnableHiDPI": true,
+    "MainCanvasEnableHiDPI": true,
+    "ZoomStepPercentage": 5
+  }
+}
+```
+
+### JavaScript API
+**File:** `ReceiverUI/wwwroot/js/pdf-viewer.js`
+
+```javascript
+window.pdfViewer = {
+    initialize(canvasId, pdfDataUrl, dotNetRef),
+    renderPage(num),
+    renderSignatureButtons(signatures, pageNum, dotNetRef),
+    applySignature(signatureId, dataUrl, fullName, position, place),
+    zoomIn(), zoomOut(), dispose()
+}
+```
+
+---
+
+## Signature Workflow — EnvelopeReceiver
+
+**IMPORTANT:** iText7 NOT used (GPL license issue). Client-side overlay system only.
+
+### Workflow Steps
+
+1. **Page Load:**
+   - Check `SignatureCacheService` for cached signature
+   - If cached ? skip popup, load signature
+   - If not ? show automatic popup (mandatory)
+
+2. **Signature Popup (DxPopup):**
+   - **Cannot close** (no X, no ESC, no outside-click)
+   - **3 Tabs:** Draw (canvas) / Text (font select) / Image (upload)
+   - **Required:** Full name, Place
+   - **Optional:** Position
+   - **Save ?** Store in `_capturedSignature`, cache via API
+
+3. **Signature Buttons:**
+   - Render purple "Unterschreiben" buttons at signature field positions
+   - Coordinates: INCHES ? POINTS ? Pixels (scaled)
+   - File: `pdf-viewer.js` ? `renderSignatureButtons()`
+
+4. **Apply Signature (Click "Unterschreiben"):**
+   - JS: Remove button, create HTML overlay
+   - Format: Image + separator + text (Name, Position, Place, Date)
+   - **NOT stamped on PDF bytes** (visual overlay only)
+
+5. **Re-rendering:**
+   - Zoom/Page change ? recalculate button positions
+   - Session state: `_capturedSignature` (lost on refresh)
+
+### Data Model
+**File:** `ReceiverUI/Models/SignatureCaptureDto.cs`
+
+```csharp
+public sealed record SignatureCaptureDto {
+    public required string DataUrl { get; init; }    // base64 PNG
+    public required string FullName { get; init; }
+    public string Position { get; init; } = "";      // Optional
+    public required string Place { get; init; }
+}
+```
+
+---
+
+## Signature Caching
+
+**Purpose:** Persist signature across page refreshes (distributed cache: Redis/SQL)
+
+### API Endpoints
+**Controller:** `API/Controllers/CacheController.cs`
+
+- `POST /api/Cache/SignatureCapture/{envelopeKey}` — Save
+- `GET /api/Cache/SignatureCapture/{envelopeKey}` — Load
+- `DELETE /api/Cache/SignatureCapture/{envelopeKey}` — Delete
+
+**Cache Key Format:**
+```
+signature:91751687-8ae6-4777-bf5f-b8846085e62e:{envelopeKey}
+```
+
+**Configuration:** `appsettings.json`
+```json
+{
+  "Cache": {
+    "SignatureCacheExpiration": null  // or "02:00:00" for 2h
+  }
+}
+```
+
+### Service
+**File:** `ReceiverUI/Services/SignatureCacheService.cs`
+
+```csharp
+public class SignatureCacheService {
+    Task SaveSignatureAsync(string envelopeKey, SignatureCaptureDto signature);
+    Task<SignatureCaptureDto?> GetSignatureAsync(string envelopeKey);
+    Task DeleteSignatureAsync(string envelopeKey);
+}
+```
+
+**Error Handling:** Fire-and-forget saves, graceful degradation on load failure.
+
+---
+
+## Sender Login
+
+**Route:** `/sender/login`  
+**File:** `ReceiverUI/Pages/LoginSenderPage.razor`  
+**Tech:** Bootstrap 5 + DevExpress Blazing Berry theme
+
+### AuthService Extension
+**File:** `ReceiverUI/Services/AuthService.cs`
+
+```csharp
+public enum SenderLoginResult { Success, InvalidCredentials, Error }
+
+public async Task<SenderLoginResult> LoginSenderAsync(string username, string password) {
+    var response = await http.PostAsJsonAsync(
+        $"{_api.BaseUrl}/api/auth?cookie=true",
+        new { username, password });
+    
+    return response.StatusCode switch {
+        HttpStatusCode.OK => SenderLoginResult.Success,
+        HttpStatusCode.Unauthorized => SenderLoginResult.InvalidCredentials,
+        _ => SenderLoginResult.Error
+    };
+}
+```
+
+### API Integration
+**Endpoint:** `POST /api/auth?cookie=true`
+
+**Request:**
+```json
+{ "username": "TekH", "password": "***" }
+```
+
+**Response:**
+- `200 OK` ? Cookie set, redirect to `/sender`
+- `401 Unauthorized` ? Show error: "Ungültige Anmeldedaten"
+- Other ? Show error: "Serverfehler"
+
+**Cookie:** HTTP-only, Secure (HTTPS), SameSite=Strict
+
+### UI Flow
+1. User enters username + password
+2. Click "Anmelden" or press Enter
+3. Call `AuthService.LoginSenderAsync()`
+4. Success ? `Navigation.NavigateTo("/sender", forceLoad: true)`
+5. Error ? Display alert
+
+---
+
+## Receiver Login
+
+**Route:** `/envelope/login/{EnvelopeKey}`  
+**File:** `ReceiverUI/Pages/LoginReceiverPage.razor`
+
+**Multi-Envelope Support:** Cookies are stored per-envelope (e.g., `AuthTokenSignFLOWReceiver.{envelopeKey}`), allowing simultaneous authentication for multiple envelopes in the same browser session.
+
+### AuthService Method
+```csharp
+public enum EnvelopeLoginResult { Success, InvalidCode, NotFound, Error }
+
+public async Task<EnvelopeLoginResult> LoginEnvelopeReceiverAsync(string key, string accessCode) {
+    var form = new MultipartFormDataContent();
+    form.Add(new StringContent(accessCode), "AccessCode");
+    
+    var response = await http.PostAsync(
+        $"{_api.BaseUrl}/api/Auth/envelope-receiver/{Uri.EscapeDataString(key)}", form);
+    
+    return response.StatusCode switch {
+        HttpStatusCode.OK => EnvelopeLoginResult.Success,
+        HttpStatusCode.Unauthorized => EnvelopeLoginResult.InvalidCode,
+        HttpStatusCode.NotFound => EnvelopeLoginResult.NotFound,
+        _ => EnvelopeLoginResult.Error
+    };
+}
+```
+
+**Success:** Redirect to `/envelope/{key}`
+
+---
+
+## NuGet Packages (ReceiverUI)
+
+| Package | Version | Purpose |
+|---|---|---|
+| `DevExpress.Blazor.*` | 25.2.3 | UI components (grids, popups, etc.) |
+| `SkiaSharp.*` | 3.119.1 | WASM rendering |
+| ~~`itext`~~ | ~~8.0.5~~ | **NOT USED** (GPL license) |
+
+**External CDN:**
+- PDF.js 3.11.174: `https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.min.js`
+
+---
+
+## Mistakes History — Do NOT Repeat
+
+| Mistake | Why Wrong |
+|---|---|
+| Using iText7 in EnvelopeReceiver | GPL license issue. Use overlay system instead. |
+| Using PSPDFKit | Removed from architecture. Use PDF.js + DevExpress. |
+| Hardcoded quality values in PDF.js | Use `appsettings.json` for configurability. |
+| Complex toolbar layouts | User wants simplicity. Keep horizontal layout. |
+| Over-designed UI (gradients/badges) | User prefers simple text labels. |
+| Ignoring "revert" instructions | Revert HTML structure, not just CSS. |
+| `BottomMarginBand` for signatures | Repeats on every page. Use DetailBand. |
+| `imageY = (page-1) * 1169 + ann.Y` | Inflates DetailBand. Calculate per-page. |
+
+---
+
+## Development Notes
+
+### Deprecated Projects
+**DO NOT USE:**
+- `EnvelopeGenerator.Web` (Razor Pages) — Replaced by unified ReceiverUI
+- PSPDFKit — Removed, use PDF.js + DevExpress instead
+
+### Legacy Projects (VB.NET)
+**DO NOT TOUCH:** `EnvelopeGenerator.Service`, `EnvelopeGenerator.Form`, `EnvelopeGenerator.BBTests`
+
+### Signature Coordinate Evidence
+**File:** `EnvelopeGenerator.Form/frmFieldEditor.vb` (VB.NET)
+
+```vb
+Private Const SIGNATURE_WIDTH As Single = 1.77   ' inches
+Private Const SIGNATURE_HEIGHT As Single = 1.96  ' inches
+
+Sub LoadAnnotation(pElement As Signature, ...)
+    oAnnotation.Left = CSng(pElement.X)    ' Direct INCHES assignment
+    oAnnotation.Top = CSng(pElement.Y)
+End Sub
+```
+
+Proves database uses INCHES natively.
+
+---
+
+## Quick Reference
+
+### When working with coordinates:
+1. **Database ? UI:** INCHES × 72 = PDF Points
+2. **UI ? Display:** Points × scale = Pixels
+3. **iText7 stamping:** Flip Y-axis (top-down ? bottom-up)
+
+### When adding features:
+1. Check `Mistakes History` first
+2. Prefer simplicity over complexity
+3. Use `appsettings.json` for configuration
+4. Keep consistent with existing design (Bootstrap 5 + Blazing Berry)
+5. **Unified frontend:** ReceiverUI serves both Senders and Receivers
+
+### When debugging:
+1. **Coordinates:** Always check unit system (inches/points/pixels)
+2. **Authentication:** Check cookie name/domain/SameSite
+3. **Cache:** Check Redis/SQL connection + key format
+4. **Frontend confusion:** Only use ReceiverUI (Web is deprecated)
+
+---
+
+**Last Updated:** Session 19 (Razor file naming convention + Index route proxy)

EnvelopeGenerator.API/AuthScheme.cs

@@ -0,0 +1,17 @@
+namespace EnvelopeGenerator.API;
+
+/// <summary>
+/// 
+/// </summary>
+public static class AuthScheme
+{
+    /// <summary>
+    /// Scheme name used for per-envelope receiver JWT authentication.
+    /// </summary>
+    public const string Receiver = "EnvelopeGenerator.API.ReceiverJWT";
+
+    /// <summary>
+    /// Scheme name used for per-envelope sender JWT authentication.
+    /// </summary>
+    public const string Sender = "EnvelopeGenerator.API.SenderJWT";
+}

EnvelopeGenerator.API/Controllers/AnnotationController.cs

@@ -1,12 +1,14 @@
 using DigitalData.Core.Abstraction.Application.DTO;
 using DigitalData.Core.Exceptions;
+using EnvelopeGenerator.API.Extensions;
+using EnvelopeGenerator.Application.Common.Dto;
 using EnvelopeGenerator.Application.Common.Extensions;
 using EnvelopeGenerator.Application.Common.Interfaces.Services;
 using EnvelopeGenerator.Application.Common.Notifications.DocSigned;
+using EnvelopeGenerator.Application.Common.Notifications.RemoveSignature;
 using EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
 using EnvelopeGenerator.Application.Histories.Queries;
 using EnvelopeGenerator.Domain.Constants;
-using EnvelopeGenerator.API.Extensions;
 using MediatR;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authentication.Cookies;
@@ -59,8 +61,8 @@ public class AnnotationController : ControllerBase
     [Obsolete("PSPDF Kit will no longer be used.")]
     public async Task<IActionResult> CreateOrUpdate([FromBody] PsPdfKitAnnotation? psPdfKitAnnotation = null, CancellationToken cancel = default)
     {
-        var signature = User.GetReceiverSignatureOfReceiver();
+        var signature = User.ReceiverSignature();
-        var uuid = User.GetEnvelopeUuidOfReceiver();
+        var uuid = User.EnvelopeUuid();
 
         var envelopeReceiver = await _mediator.ReadEnvelopeReceiverAsync(uuid, signature, cancel).ThrowIfNull(Exceptions.NotFound);
 
@@ -72,12 +74,24 @@ public class AnnotationController : ControllerBase
         else if (await _mediator.AnyHistoryAsync(uuid, new[] { EnvelopeStatus.EnvelopeRejected, EnvelopeStatus.DocumentRejected }, cancel))
             return Problem(statusCode: StatusCodes.Status423Locked);
 
-        var docSignedNotification = await _mediator
+        var envelopeReceiverDto = await _mediator.ReadEnvelopeReceiverAsync(uuid, signature, cancel);
-            .ReadEnvelopeReceiverAsync(uuid, signature, cancel)
+        var docSignedNotification = envelopeReceiverDto is not null
-            .ToDocSignedNotification(psPdfKitAnnotation)
+            ? new DocSignedNotification { EnvelopeReceiver = envelopeReceiverDto, PsPdfKitAnnotation = psPdfKitAnnotation }
-            ?? throw new NotFoundException("Envelope receiver is not found.");
+            : throw new NotFoundException("Envelope receiver is not found.");
 
-        await _mediator.PublishSafely(docSignedNotification, cancel);
+        try
+        {
+            await _mediator.Publish(docSignedNotification, cancel);
+        }
+        catch (Exception)
+        {
+            await _mediator.Publish(new RemoveSignatureNotification()
+            {
+                EnvelopeId = docSignedNotification.EnvelopeReceiver.EnvelopeId,
+                ReceiverId = docSignedNotification.EnvelopeReceiver.ReceiverId
+            }, cancel);
+            throw;
+        }
         await HttpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
 
         return Ok();
@@ -92,9 +106,9 @@ public class AnnotationController : ControllerBase
     [Obsolete("Use MediatR")]
     public async Task<IActionResult> Reject([FromBody] string? reason = null)
     {
-        var signature = User.GetReceiverSignatureOfReceiver();
+        var signature = User.ReceiverSignature();
-        var uuid = User.GetEnvelopeUuidOfReceiver();
+        var uuid = User.EnvelopeUuid();
-        var mail = User.GetReceiverMailOfReceiver();
+        var mail = User.ReceiverMail();
 
         var envRcvRes = await _envelopeReceiverService.ReadByUuidSignatureAsync(uuid: uuid, signature: signature);
 

EnvelopeGenerator.API/Controllers/AuthController.cs

@@ -1,3 +1,4 @@
+using DigitalData.Auth.Claims;
 using EnvelopeGenerator.API.Controllers.Interfaces;
 using EnvelopeGenerator.API.Models;
 using EnvelopeGenerator.Domain.Constants;
@@ -73,4 +74,44 @@ public partial class AuthController(IOptions<AuthTokenKeys> authTokenKeyOptions,
         => role is not null && !User.IsInRole(role)
             ? Unauthorized()
             : Ok();
+
+    /// <summary>
+    /// Checks whether the caller holds a valid per-envelope receiver token for the given envelope key.
+    /// The request must carry a cookie named <c>AuthTokenSignFLOWReceiver.{envelopeKey}</c>.
+    /// </summary>
+    /// <param name="envelopeKey">The unique envelope key extracted from the route.</param>
+    /// <response code="200">Valid per-envelope token found.</response>
+    /// <response code="401">Token is missing, expired or invalid.</response>
+    [ProducesResponseType(typeof(void), StatusCodes.Status200OK)]
+    [ProducesResponseType(typeof(void), StatusCodes.Status401Unauthorized)]
+    [Authorize(Policy = AuthPolicy.Receiver)]
+    [HttpGet("check/envelope/{envelopeKey}")]
+    public IActionResult CheckEnvelopeReceiver([FromRoute] string envelopeKey) => Ok();
+
+    /// <summary>
+    /// Removes the per-envelope receiver cookie for the given envelope key.
+    /// </summary>
+    /// <param name="envelopeKey">The unique envelope key whose cookie should be deleted.</param>
+    /// <response code="200">Cookie successfully deleted.</response>
+    [ProducesResponseType(typeof(void), StatusCodes.Status200OK)]
+    [HttpPost("logout/envelope/{envelopeKey}")]
+    public IActionResult LogoutEnvelopeReceiver([FromRoute] string envelopeKey)
+    {
+        var cookieName = CookieNames.GetEnvelopeReceiverCookieName(authTokenKeys.Cookie, envelopeKey);
+        Response.Cookies.Delete(cookieName);
+        return Ok();
+    }
+
+    /// <summary>
+    /// Removes all per-envelope receiver cookies from the current request.
+    /// </summary>
+    /// <response code="200">All envelope receiver cookies successfully deleted.</response>
+    [ProducesResponseType(typeof(void), StatusCodes.Status200OK)]
+    [HttpPost("logout/envelope")]
+    public IActionResult LogoutAllEnvelopeReceivers()
+    {
+        foreach (var cookieName in Request.Cookies.Keys.Where(k => CookieNames.IsEnvelopeReceiverCookie(k, authTokenKeys.Cookie)))
+            Response.Cookies.Delete(cookieName);
+        return Ok();
+    }
 }

EnvelopeGenerator.API/Controllers/CacheController.cs

@@ -0,0 +1,84 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Options;
+using System.Text.Json;
+using EnvelopeGenerator.API.Options;
+using EnvelopeGenerator.Domain.Constants;
+using EnvelopeGenerator.API.Extensions;
+
+namespace EnvelopeGenerator.API.Controllers;
+
+/// <summary>
+/// Manages cached data for receivers using distributed cache.
+/// </summary>
+[ApiController]
+[Route("api/[controller]")]
+[Authorize(Policy = AuthPolicy.Receiver)]
+public class CacheController(
+    IDistributedCache cache,
+    IOptions<CacheOptions> cacheOptions) : ControllerBase
+{
+    private const string SignatureCacheKeyPrefix = "envelope-generator.receiver-ui.signature:";
+
+    /// <summary>
+    /// Stores a receiver's signature in cache for the specified envelope.
+    /// </summary>
+    [Authorize(Policy = AuthPolicy.Receiver)]
+    [HttpPost("SignatureCapture/{envelopeKey}")]
+    public async Task<IActionResult> SaveSignature(
+        [FromRoute] string envelopeKey,
+        [FromBody] SignatureCacheRequest request,
+        CancellationToken cancel)
+    {
+        var cacheKey = $"{SignatureCacheKeyPrefix}{User.ReceiverSignature()}";
+        var json = JsonSerializer.Serialize(request);
+        
+        var options = cacheOptions.Value.SignatureCacheExpiration.HasValue
+            ? new DistributedCacheEntryOptions { AbsoluteExpirationRelativeToNow = cacheOptions.Value.SignatureCacheExpiration.Value }
+            : null;
+
+        await cache.SetStringAsync(cacheKey, json, options ?? new DistributedCacheEntryOptions(), cancel);
+
+        return Ok();
+    }
+
+    /// <summary>
+    /// Retrieves a cached signature for the specified envelope.
+    /// </summary>
+    [Authorize(Policy = AuthPolicy.Receiver)]
+    [HttpGet("SignatureCapture/{envelopeKey}")]
+    public async Task<IActionResult> GetSignature([FromRoute] string envelopeKey, CancellationToken cancel)
+    {
+        var cacheKey = $"{SignatureCacheKeyPrefix}{User.ReceiverSignature()}";
+        var json = await cache.GetStringAsync(cacheKey, cancel);
+
+        if (json is null)
+            return NotFound();
+
+        var signature = JsonSerializer.Deserialize<SignatureCacheRequest>(json);
+        return Ok(signature);
+    }
+
+    /// <summary>
+    /// Deletes a cached signature for the specified envelope.
+    /// </summary>
+    [Authorize(Policy = AuthPolicy.Receiver)]
+    [HttpDelete("SignatureCapture/{envelopeKey}")]
+    public async Task<IActionResult> DeleteSignature([FromRoute] string envelopeKey, CancellationToken cancel)
+    {
+        var cacheKey = $"{SignatureCacheKeyPrefix}{User.ReceiverSignature()}";
+        await cache.RemoveAsync(cacheKey, cancel);
+
+        return Ok();
+    }
+}
+
+/// <summary>
+/// Request model for caching signature data.
+/// </summary>
+public sealed record SignatureCacheRequest(
+    string DataUrl,
+    string FullName,
+    string Place,
+    string? Position = null);

EnvelopeGenerator.API/Controllers/DocumentController.cs

@@ -1,3 +1,4 @@
+using DigitalData.Auth.Claims;
 using EnvelopeGenerator.API.Controllers.Interfaces;
 using EnvelopeGenerator.API.Extensions;
 using EnvelopeGenerator.Application.Documents.Queries;
@@ -14,10 +15,9 @@ namespace EnvelopeGenerator.API.Controllers;
 /// <remarks>
 /// Initializes a new instance of the <see cref="DocumentController"/> class.
 /// </remarks>
-[Authorize]
 [ApiController]
 [Route("api/[controller]")]
-public class DocumentController(IMediator mediator, IAuthorizationService authService) : ControllerBase, IAuthController
+public class DocumentController(IMediator mediator, IAuthorizationService authService, ILogger<DocumentController> logger) : ControllerBase, IAuthController
 {
     /// <summary>
     /// 
@@ -51,7 +51,7 @@ public class DocumentController(IMediator mediator, IAuthorizationService authSe
             if (query is not null)
                 return BadRequest("Query parameters are not allowed for receiver role.");
 
-            var envelopeId = User.GetEnvelopeIdOfReceiver();
+            var envelopeId = User.EnvelopeId();
             var receiverDoc = await mediator.Send(new ReadDocumentQuery { EnvelopeId = envelopeId }, cancel);
             return receiverDoc.ByteData is byte[] receiverDocByte
                 ? File(receiverDocByte, "application/octet-stream")
@@ -60,4 +60,25 @@ public class DocumentController(IMediator mediator, IAuthorizationService authSe
 
         return Unauthorized();
     }
-}
+
+    /// <summary>
+    /// Gets the document for the specified envelope key.
+    /// </summary>
+    /// <param name="envelopeKey"></param>
+    /// <param name="cancel"></param>
+    /// <returns></returns>
+    [Authorize(Policy = AuthPolicy.Receiver)]
+    [HttpGet("{envelopeKey}")]
+    public async Task<IActionResult> GetDocumentOfReceiver(string envelopeKey, CancellationToken cancel)
+    {
+        int envelopeId = User.EnvelopeId();
+
+        var senderDoc = await mediator.Send(new ReadDocumentQuery() { EnvelopeId = envelopeId }, cancel);
+
+        if (senderDoc.ByteData is not byte[] senderDocByte)
+            return NotFound("Document is empty.");
+
+        Response.Headers.ContentDisposition = $"inline; filename=\"{envelopeKey}.pdf\"";
+        return File(senderDocByte, "application/pdf");
+    }
+}

EnvelopeGenerator.API/Controllers/EnvelopeController.cs

@@ -51,7 +51,7 @@ public class EnvelopeController : ControllerBase
     /// <response code="401">Der Benutzer ist nicht authentifiziert.</response>
     /// <response code="403">Der Benutzer hat keine Berechtigung, auf die Ressource zuzugreifen.</response>
     /// <response code="500">Ein unerwarteter Fehler ist aufgetreten.</response>
-    [Authorize]
+    [Authorize(AuthenticationSchemes = AuthScheme.Sender)]
     [HttpGet]
     public async Task<IActionResult> GetAsync([FromQuery] ReadEnvelopeQuery envelope)
     {
@@ -98,7 +98,7 @@ public class EnvelopeController : ControllerBase
     [HttpPost]
     public async Task<IActionResult> CreateAsync([FromBody] CreateEnvelopeCommand command)
     {
-        var res = await _mediator.Send(command.Authorize(User.GetId()));
+        var res = await _mediator.Send(command.WithAuth(User.GetId()));
 
         if (res is null)
         {

EnvelopeGenerator.API/Controllers/EnvelopeReceiverController.cs

@@ -14,6 +14,7 @@ using EnvelopeGenerator.Application.Common.SQL;
 using EnvelopeGenerator.Application.Common.Dto.Receiver;
 using EnvelopeGenerator.Application.Common.Interfaces.SQLExecutor;
 using EnvelopeGenerator.API.Extensions;
+using EnvelopeGenerator.Domain.Constants;
 
 namespace EnvelopeGenerator.API.Controllers;
 
@@ -73,6 +74,24 @@ public class EnvelopeReceiverController : ControllerBase
         return Ok(result);
     }
 
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="envelopeKey"></param>
+    /// <param name="cancel"></param>
+    /// <returns></returns>
+    [Authorize(Policy = AuthPolicy.Receiver)]
+    [HttpGet("{envelopeKey}")]
+    public async Task<IActionResult> GetEnvelopeReceiverOfReceiver([FromRoute] string envelopeKey, CancellationToken cancel)
+    {
+        var er = await _mediator.Send(new ReadEnvelopeReceiverQuery()
+        {
+            Key = envelopeKey
+        }, cancel);
+
+        return Ok(er.SingleOrDefault());
+    }
+
     /// <summary>
     /// Ruft den Namen des zuletzt verwendeten Empfängers basierend auf der angegebenen E-Mail-Adresse ab.
     /// </summary>
@@ -181,7 +200,7 @@ public class EnvelopeReceiverController : ControllerBase
                 SELECT @OUT_SUCCESS as [@OUT_SUCCESS];";
 
         foreach (var rcv in res.SentReceiver)
-            foreach (var sign in request.Receivers.Where(r => r.EmailAddress == rcv.EmailAddress).FirstOrDefault()?.Signatures ?? Enumerable.Empty<Application.EnvelopeReceivers.Commands.Signature>())
+            foreach (var sign in request.Receivers.Where(r => r.EmailAddress == rcv.EmailAddress).FirstOrDefault()?.DocReceiverElements ?? Enumerable.Empty<Application.EnvelopeReceivers.Commands.DocReceiverElementCreateDto>())
             {
                 using SqlConnection conn = new(_cnnStr);
                 conn.Open();

EnvelopeGenerator.API/Controllers/ReadOnlyController.cs

@@ -41,14 +41,14 @@ public class ReadOnlyController : ControllerBase
     [Obsolete("Use MediatR")]
     public async Task<IActionResult> CreateAsync([FromBody] EnvelopeReceiverReadOnlyCreateDto createDto)
     {
-        var authReceiverMail = User.GetReceiverMailOfReceiver();
+        var authReceiverMail = User.ReceiverMail();
         if (authReceiverMail is null)
         {
             _logger.LogError("EmailAddress claim is not found in envelope-receiver-read-only creation process. Create DTO is:\n {dto}", JsonConvert.SerializeObject(createDto));
             return Unauthorized();
         }
 
-        var envelopeId = User.GetEnvelopeIdOfReceiver();
+        var envelopeId = User.EnvelopeId();
 
         createDto.AddedWho = authReceiverMail;
         createDto.EnvelopeId = envelopeId;

EnvelopeGenerator.API/Controllers/SignatureController.cs

@@ -0,0 +1,57 @@
+using EnvelopeGenerator.API.Extensions;
+using EnvelopeGenerator.Application.Common.Dto;
+using EnvelopeGenerator.Application.Common.Extensions;
+using EnvelopeGenerator.Application.Documents.Queries;
+using EnvelopeGenerator.Domain.Constants;
+using MediatR;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace EnvelopeGenerator.API.Controllers;
+
+/// <summary>
+/// 
+/// </summary>
+[Authorize(Policy = AuthPolicy.Receiver)]
+[ApiController]
+[Route("api/[controller]")]
+public class SignatureController : ControllerBase
+{
+    private readonly IMediator _mediator;
+
+    /// <summary>
+    /// Initializes a new instance of <see cref="SignatureController"/>.
+    /// </summary>
+    public SignatureController(IMediator mediator)
+    {
+        _mediator = mediator;
+    }
+
+    //TODO: update to use signature query
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="envelopeKey"></param>
+    /// <param name="cancel"></param>
+    /// <returns></returns>
+    [Authorize(Policy = AuthPolicy.Receiver)]
+    [HttpGet("{envelopeKey}")]
+    public async Task<IActionResult> Get(string envelopeKey, CancellationToken cancel)
+    {
+        int envelopeId = User.EnvelopeId();
+
+        int receiverId = User.ReceiverId();
+
+        var doc = await _mediator.Send(new ReadDocumentQuery() { EnvelopeId = envelopeId }, cancel);
+
+        if (doc.Elements is not IEnumerable<DocReceiverElementDto> docSignatures)
+            return NotFound("Document is empty.");
+
+        var rcvSignatures = docSignatures.Where(s => s.ReceiverId == receiverId).ToList();
+
+        if (rcvSignatures is null)
+            return NotFound("No signatures found for the current receiver.");
+        else
+            return Ok(rcvSignatures);
+    }
+}

EnvelopeGenerator.API/Documentation/AuthProxyDocumentFilter.cs

@@ -16,6 +16,12 @@ public sealed class AuthProxyDocumentFilter : IDocumentFilter
     /// <param name="swaggerDoc"></param>
     /// <param name="context"></param>
     public void Apply(OpenApiDocument swaggerDoc, DocumentFilterContext context)
+    {
+        AddLoginOperation(swaggerDoc, context);
+        AddEnvelopeReceiverLoginOperation(swaggerDoc, context);
+    }
+
+    private static void AddLoginOperation(OpenApiDocument swaggerDoc, DocumentFilterContext context)
     {
         const string path = "/api/auth";
 
@@ -67,4 +73,51 @@ public sealed class AuthProxyDocumentFilter : IDocumentFilter
             }
         };
     }
+
+    private static void AddEnvelopeReceiverLoginOperation(OpenApiDocument swaggerDoc, DocumentFilterContext context)
+    {
+        const string path = "/api/Auth/envelope-receiver/{key}";
+
+        var bodySchema = context.SchemaGenerator.GenerateSchema(typeof(EnvelopeReceiverLogin), context.SchemaRepository);
+
+        var operation = new OpenApiOperation
+        {
+            Summary = "Envelope receiver login (auth-hub proxy)",
+            Description = "Proxies the envelope receiver login to the auth service. " +
+                          "The `cookie` query parameter is always forwarded as `true` so the auth service sets the per-envelope cookie automatically.",
+            Tags = [new() { Name = "Auth" }],
+            Parameters =
+            {
+                new OpenApiParameter
+                {
+                    Name = "key",
+                    In = ParameterLocation.Path,
+                    Required = true,
+                    Schema = new OpenApiSchema { Type = "string" },
+                    Description = "The unique envelope receiver key."
+                }
+            },
+            RequestBody = new OpenApiRequestBody
+            {
+                Required = false,
+                Content =
+                {
+                    ["multipart/form-data"] = new OpenApiMediaType { Schema = bodySchema }
+                }
+            },
+            Responses =
+            {
+                ["200"] = new OpenApiResponse { Description = "OK – per-envelope cookie set by auth service." },
+                ["401"] = new OpenApiResponse { Description = "Unauthorized – invalid or missing access code." }
+            }
+        };
+
+        swaggerDoc.Paths[path] = new OpenApiPathItem
+        {
+            Operations =
+            {
+                [OperationType.Post] = operation
+            }
+        };
+    }
 }

EnvelopeGenerator.API/EnvelopeClaimTypes.cs

@@ -1,17 +0,0 @@
-namespace EnvelopeGenerator.API;
-
-/// <summary>
-/// Provides custom claim types for envelope-related information.
-/// </summary>
-public static class EnvelopeClaimTypes
-{
-    /// <summary>
-    /// Claim type for the title of an envelope.
-    /// </summary>
-    public static readonly string Title = $"Envelope{nameof(Title)}";
-
-    /// <summary>
-    /// Claim type for the ID of an envelope.
-    /// </summary>
-    public static readonly string Id = $"Envelope{nameof(Id)}";
-}

EnvelopeGenerator.API/EnvelopeGenerator.API.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>net9.0</TargetFrameworks>
+    <TargetFrameworks>net8.0</TargetFrameworks>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
@@ -10,9 +10,9 @@
     <Authors>Digital Data GmbH</Authors>
     <Company>Digital Data GmbH</Company>
     <Product>EnvelopeGenerator.GeneratorAPI</Product>
-    <Version>1.2.3</Version>
+    <Version>1.4.0</Version>
-    <FileVersion>1.2.3</FileVersion>
+    <FileVersion>1.4.0</FileVersion>
-    <AssemblyVersion>1.2.3</AssemblyVersion>
+    <AssemblyVersion>1.4.0</AssemblyVersion>
     <PackageOutputPath>Copyright © 2025 Digital Data GmbH. All rights reserved.</PackageOutputPath>
 	<DocumentationFile>bin\$(Configuration)\$(TargetFramework)\$(AssemblyName).xml</DocumentationFile>
   </PropertyGroup>
@@ -30,11 +30,17 @@
 
   <ItemGroup>
     <PackageReference Include="AspNetCore.Scalar" Version="1.1.8" />
+    <PackageReference Include="DigitalData.Auth.Claims" Version="1.0.3" />
     <PackageReference Include="DigitalData.Auth.Client" Version="1.3.7" />
     <PackageReference Include="DigitalData.Core.API" Version="2.2.1" />
     <PackageReference Include="HtmlSanitizer" Version="9.0.892" />
-    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.4" />
+    <PackageReference Include="Microsoft.Extensions.Caching.SqlServer" Version="8.0.11" Condition="'$(TargetFramework)' == 'net8.0'" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.6" />
+    <PackageReference Include="itext" Version="8.0.5" />
+    <PackageReference Include="itext.bouncy-castle-adapter" Version="8.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.4" Condition="'$(TargetFramework)' == 'net9.0'" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.11" Condition="'$(TargetFramework)' == 'net8.0'" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.6" Condition="'$(TargetFramework)' == 'net9.0'" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.17" Condition="'$(TargetFramework)' == 'net8.0'" />
     <PackageReference Include="Microsoft.Identity.Client" Version="4.82.1" />
     <PackageReference Include="NLog" Version="5.2.5" />
     <PackageReference Include="NLog.Web.AspNetCore" Version="5.3.0" />
@@ -71,6 +77,7 @@
     <ProjectReference Include="..\EnvelopeGenerator.Application\EnvelopeGenerator.Application.csproj" />
     <ProjectReference Include="..\EnvelopeGenerator.Domain\EnvelopeGenerator.Domain.csproj" />
     <ProjectReference Include="..\EnvelopeGenerator.Infrastructure\EnvelopeGenerator.Infrastructure.csproj" />
+    <ProjectReference Include="..\EnvelopeGenerator.PdfEditor\EnvelopeGenerator.PdfEditor.csproj" />
   </ItemGroup>
 
 </Project>

EnvelopeGenerator.API/Extensions/ReceiverClaimExtensions.cs

@@ -1,8 +1,6 @@
-using System.Linq;
+using DigitalData.Auth.Claims;
+using Microsoft.IdentityModel.JsonWebTokens;
 using System.Security.Claims;
-using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiver;
-using Microsoft.AspNetCore.Authentication;
-using Microsoft.AspNetCore.Authentication.Cookies;
 
 namespace EnvelopeGenerator.API.Extensions;
 
@@ -11,7 +9,14 @@ namespace EnvelopeGenerator.API.Extensions;
 /// </summary>
 public static class ReceiverClaimExtensions
 {
-    private static string GetRequiredClaimOfReceiver(this ClaimsPrincipal user, string claimType)
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="user"></param>
+    /// <param name="claimType"></param>
+    /// <returns></returns>
+    /// <exception cref="InvalidOperationException"></exception>
+    private static string GetRequiredClaimValue(this ClaimsPrincipal user, string claimType)
     {
         var value = user.FindFirstValue(claimType);
         if (value is not null)
@@ -27,75 +32,65 @@ public static class ReceiverClaimExtensions
         throw new InvalidOperationException(message);
     }
 
+    private static string GetRequiredClaimValue(this ClaimsPrincipal user, params string[] claimTypes)
+    {
+        foreach (var claimType in claimTypes.Where(t => !string.IsNullOrWhiteSpace(t)).Distinct())
+        {
+            var value = user.FindFirstValue(claimType);
+            if (!string.IsNullOrWhiteSpace(value))
+                return value;
+        }
+
+        var identity = user.Identity;
+        var principalName = identity?.Name ?? "(anonymous)";
+        var authType = identity?.AuthenticationType ?? "(none)";
+        var availableClaims = string.Join(", ", user.Claims.Select(c => $"{c.Type}={c.Value}"));
+        var message = $"Required claim(s) '{string.Join("', '", claimTypes)}' are missing for user '{principalName}' (auth: {authType}). Available claims: [{availableClaims}].";
+        throw new InvalidOperationException(message);
+    }
+
     /// <summary>
     /// Gets the authenticated envelope UUID from the claims.
     /// </summary>
-    public static string GetEnvelopeUuidOfReceiver(this ClaimsPrincipal user) => user.GetRequiredClaimOfReceiver(ClaimTypes.NameIdentifier);
+    public static string EnvelopeUuid(this ClaimsPrincipal user)
+        => user.GetRequiredClaimValue(EnvelopeClaimNames.EnvelopeUuid);
 
     /// <summary>
     /// Gets the authenticated receiver signature from the claims.
     /// </summary>
-    public static string GetReceiverSignatureOfReceiver(this ClaimsPrincipal user) => user.GetRequiredClaimOfReceiver(ClaimTypes.Hash);
+    public static string ReceiverSignature(this ClaimsPrincipal user)
-
+        => user.GetRequiredClaimValue(EnvelopeClaimNames.ReceiverSignature);
-    /// <summary>
-    /// Gets the authenticated receiver display name from the claims.
-    /// </summary>
-    public static string GetReceiverNameOfReceiver(this ClaimsPrincipal user) => user.GetRequiredClaimOfReceiver(ClaimTypes.Name);
 
     /// <summary>
     /// Gets the authenticated receiver email address from the claims.
     /// </summary>
-    public static string GetReceiverMailOfReceiver(this ClaimsPrincipal user) => user.GetRequiredClaimOfReceiver(ClaimTypes.Email);
+    public static string ReceiverMail(this ClaimsPrincipal user)
-
+        => user.GetRequiredClaimValue(JwtRegisteredClaimNames.Email);
-    /// <summary>
-    /// Gets the authenticated envelope title from the claims.
-    /// </summary>
-    public static string GetEnvelopeTitleOfReceiver(this ClaimsPrincipal user) => user.GetRequiredClaimOfReceiver(EnvelopeClaimTypes.Title);
 
     /// <summary>
     /// Gets the authenticated envelope identifier from the claims.
     /// </summary>
-    public static int GetEnvelopeIdOfReceiver(this ClaimsPrincipal user)
+    public static int EnvelopeId(this ClaimsPrincipal user)
     {
-        var envIdStr = user.GetRequiredClaimOfReceiver(EnvelopeClaimTypes.Id);
+        var envIdStr = user.GetRequiredClaimValue(EnvelopeClaimNames.EnvelopeId);
-        if (!int.TryParse(envIdStr, out var envId))
+        if (int.TryParse(envIdStr, out var envId))
-        {
+            return envId;
-            throw new InvalidOperationException($"Claim '{EnvelopeClaimTypes.Id}' is not a valid integer.");
+        else
-        }
+            throw new InvalidOperationException($"Claim '{EnvelopeClaimNames.EnvelopeId}' is not a valid integer.");
-
-        return envId;
     }
 
     /// <summary>
-    /// Signs in an envelope receiver using cookie authentication and attaches envelope claims.
+    /// Gets the authenticated receiver identifier from the claims.
     /// </summary>
-    /// <param name="context">The current HTTP context.</param>
+    /// <param name="user"></param>
-    /// <param name="envelopeReceiver">Envelope receiver DTO to extract claims from.</param>
+    /// <returns></returns>
-    /// <param name="receiverRole">Role to attach to the authentication ticket.</param>
+    /// <exception cref="InvalidOperationException"></exception>
-    public static async Task SignInEnvelopeAsync(this HttpContext context, EnvelopeReceiverDto envelopeReceiver, string receiverRole)
+    public static int ReceiverId(this ClaimsPrincipal user)
     {
-        var claims = new List<Claim>
+        var rcvIdStr = user.GetRequiredClaimValue(EnvelopeClaimNames.ReceiverId);
-        {
+        if (int.TryParse(rcvIdStr, out var rcvId))
-            new(ClaimTypes.NameIdentifier, envelopeReceiver.Envelope!.Uuid),
+            return rcvId;
-            new(ClaimTypes.Hash, envelopeReceiver.Receiver!.Signature),
+        else
-            new(ClaimTypes.Name, envelopeReceiver.Name ?? string.Empty),
+            throw new InvalidOperationException($"Claim '{EnvelopeClaimNames.ReceiverId}' is not a valid integer.");
-            new(ClaimTypes.Email, envelopeReceiver.Receiver.EmailAddress),
-            new(EnvelopeClaimTypes.Title, envelopeReceiver.Envelope.Title),
-            new(EnvelopeClaimTypes.Id, envelopeReceiver.Envelope.Id.ToString()),
-            new(ClaimTypes.Role, receiverRole)
-        };
-
-        var claimsIdentity = new ClaimsIdentity(claims, CookieAuthenticationDefaults.AuthenticationScheme);
-
-        var authProperties = new AuthenticationProperties
-        {
-            AllowRefresh = false,
-            IsPersistent = false
-        };
-
-        await context.SignInAsync(
-            CookieAuthenticationDefaults.AuthenticationScheme,
-            new ClaimsPrincipal(claimsIdentity),
-            authProperties);
     }
 }

EnvelopeGenerator.API/Models/EnvelopeReceiverLogin.cs

@@ -0,0 +1,7 @@
+namespace EnvelopeGenerator.API.Models;
+
+/// <summary>
+/// Request body for the envelope-receiver login endpoint.
+/// </summary>
+/// <param name="AccessCode">The access code sent to the receiver.</param>
+public record EnvelopeReceiverLogin(string? AccessCode = null);

EnvelopeGenerator.API/Options/CacheOptions.cs

@@ -0,0 +1,18 @@
+namespace EnvelopeGenerator.API.Options;
+
+/// <summary>
+/// Configuration options for distributed caching.
+/// </summary>
+public sealed class CacheOptions
+{
+    /// <summary>
+    /// Configuration section name in appsettings.json.
+    /// </summary>
+    public const string SectionName = "Cache";
+
+    /// <summary>
+    /// Signature cache expiration time.
+    /// If null, signatures will not expire automatically.
+    /// </summary>
+    public TimeSpan? SignatureCacheExpiration { get; set; }
+}

EnvelopeGenerator.API/Program.cs

@@ -17,8 +17,11 @@ using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.IdentityModel.Tokens;
 using DigitalData.Core.Abstractions.Security.Extensions;
 using EnvelopeGenerator.API.Middleware;
+using EnvelopeGenerator.API.Options;
 using NLog.Web;
 using NLog;
+using DigitalData.Auth.Claims;
+using EnvelopeGenerator.API;
 
 var logger = LogManager.Setup().LoadConfigurationFromAppSettings().GetCurrentClassLogger();
 logger.Info("Logging initialized!");
@@ -110,9 +113,11 @@ try
 
         options.DocumentFilter<EnvelopeGenerator.API.Documentation.AuthProxyDocumentFilter>();
     });
+#if NET9_0_OR_GREATER
     builder.Services.AddOpenApi();
+#endif
 
-    //AddEF Core dbcontext
+    //Add EF Core dbcontext
     var useDbMigration = Environment.GetEnvironmentVariable("MIGRATION_TEST_MODE") == true.ToString() || config.GetValue<bool>("UseDbMigration");
     var cnnStrName = useDbMigration ? "DbMigrationTest" : "Default";
     var connStr = config.GetConnectionString(cnnStrName)
@@ -131,7 +136,7 @@ try
         options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
         options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
     })
-        .AddJwtBearer(opt =>
+        .AddJwtBearer(AuthScheme.Sender, opt =>
         {
             opt.TokenValidationParameters = new TokenValidationParameters
             {
@@ -163,6 +168,61 @@ try
                     return Task.CompletedTask;
                 }
             };
+        })
+        // Per-envelope receiver scheme: reads the JWT from the cookie named
+        // AuthTokenSignFLOWReceiver.{envelope_key} where envelope_key is the
+        // last path segment of the request URL.
+        // This enables simultaneous authentication for multiple envelopes
+        // within the same browser session.
+        .AddJwtBearer(AuthScheme.Receiver, opt =>
+        {
+            opt.TokenValidationParameters = new TokenValidationParameters
+            {
+                ValidateIssuerSigningKey = true,
+                IssuerSigningKeyResolver = (token, securityToken, identifier, parameters) =>
+                {
+                    var clientParams = deferredProvider.GetOptions<ClientParams>();
+                    var publicKey = clientParams!.PublicKeys.Get(authTokenKeys.Issuer, authTokenKeys.Audience);
+                    return [publicKey.SecurityKey];
+                },
+                ValidateIssuer = true,
+                ValidIssuer = authTokenKeys.Issuer,
+                ValidateAudience = true,
+                ValidAudience = authTokenKeys.Audience,
+            };
+
+            opt.Events = new JwtBearerEvents
+            {
+                OnMessageReceived = context =>
+                {
+                    var paths = context.Request.Path.Value?.Split('/', StringSplitOptions.RemoveEmptyEntries);
+
+                    // Derive the envelope key from the last route segment: /{envelope_key}
+                    var envelopeKey = paths?.LastOrDefault();
+
+                    if (envelopeKey is not null)
+                    {
+                        var cookieName = CookieNames.GetEnvelopeReceiverCookieName(authTokenKeys.Cookie, envelopeKey);
+                        if (context.Request.Cookies.TryGetValue(cookieName, out var cookieToken) && cookieToken is not null)
+                            context.Token = cookieToken;
+                    }
+
+                    return Task.CompletedTask;
+                },
+                OnTokenValidated = context =>
+                {
+                    var paths = context.Request.Path.Value?.Split('/', StringSplitOptions.RemoveEmptyEntries);
+                    var envelopeKey = paths?.LastOrDefault();
+
+                    var sub = context.Principal?.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value
+                           ?? context.Principal?.FindFirst("sub")?.Value;
+
+                    if (envelopeKey is null || sub != envelopeKey)
+                        context.Fail("Envelope key in the path does not match the token subject.");
+
+                    return Task.CompletedTask;
+                }
+            };
         });
 
     // Authentication
@@ -178,14 +238,16 @@ try
     });
 
     builder.Services.AddAuthorizationBuilder()
-        .AddPolicy(AuthPolicy.SenderOrReceiver, policy =>
+        .AddPolicy(AuthPolicy.SenderOrReceiver, policy => policy.RequireRole(Role.Sender, Role.Receiver.Full))
-            policy.RequireRole(Role.Sender, Role.Receiver.Full))
+
-        .AddPolicy(AuthPolicy.Sender, policy =>
+        .AddPolicy(AuthPolicy.Sender, policy => policy
-            policy.RequireRole(Role.Sender))
+            .RequireRole(Role.Sender)
-        .AddPolicy(AuthPolicy.Receiver, policy =>
+            .AddAuthenticationSchemes(AuthScheme.Sender))
-            policy.RequireRole(Role.Receiver.Full))
+        .AddPolicy(AuthPolicy.Receiver, policy => policy
-        .AddPolicy(AuthPolicy.ReceiverTFA, policy =>
+            .AddAuthenticationSchemes(AuthScheme.Receiver)
-            policy.RequireRole(Role.Receiver.TFA));
+            .RequireAuthenticatedUser()
+            .RequireRole(Role.Receiver.Full, "receiver"))
+        .AddPolicy(AuthPolicy.ReceiverTFA, policy => policy.RequireRole(Role.Receiver.TFA));
 
     // User manager
 #pragma warning disable CS0618 // Type or member is obsolete
@@ -199,6 +261,20 @@ try
     // Localizer
     builder.Services.AddCookieBasedLocalizer();
 
+    // Cache options
+    builder.Services.Configure<CacheOptions>(config.GetSection(CacheOptions.SectionName));
+
+    // Distributed Cache - SQL Server
+    builder.Services.AddDistributedSqlServerCache(options =>
+    {
+        config.GetSection("Cache:SqlServer").Bind(options);
+        
+        if (string.IsNullOrWhiteSpace(options.ConnectionString))
+        {
+            options.ConnectionString = connStr;
+        }
+    });
+
     // Envelope generator serives
 #pragma warning disable CS0618 // Type or member is obsolete
     builder.Services
@@ -224,7 +300,9 @@ try
 
     app.UseMiddleware<ExceptionHandlingMiddleware>();
 
+#if NET9_0_OR_GREATER
     app.MapOpenApi();
+#endif
 
     // Configure the HTTP request pipeline.
     if (app.Environment.IsDevelopment() || (app.IsDevOrDiP() && config.GetValue<bool>("UseSwagger")))
@@ -258,9 +336,11 @@ try
     app.UseAuthentication();
     app.UseAuthorization();
 
-    app.MapReverseProxy();
     app.MapControllers();
 
+    // Catch-all YARP proxy — only forward requests that are not swagger/scalar/openapi paths.
+    app.MapReverseProxy();
+
     app.Run();
 }
 catch (Exception ex)

EnvelopeGenerator.API/Properties/PublishProfiles/IISProfileNet8.pubxml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+https://go.microsoft.com/fwlink/?LinkID=208121.
+-->
+<Project>
+  <PropertyGroup>
+    <WebPublishMethod>Package</WebPublishMethod>
+    <LastUsedBuildConfiguration>Release</LastUsedBuildConfiguration>
+    <LastUsedPlatform>Any CPU</LastUsedPlatform>
+    <SiteUrlToLaunchAfterPublish />
+    <LaunchSiteAfterPublish>true</LaunchSiteAfterPublish>
+    <ExcludeApp_Data>false</ExcludeApp_Data>
+    <ProjectGuid>5e0e17c0-ff5a-4246-bf87-1add85376a27</ProjectGuid>
+    <DesktopBuildPackageLocation>M:\App&amp;Service\0 DD - Smart UP\signFLOW\API\net8\$(Version)\EnvelopeGenerator.API.zip</DesktopBuildPackageLocation>
+    <PackageAsSingleFile>true</PackageAsSingleFile>
+    <DeployIisAppPath>EnvelopeGenerator</DeployIisAppPath>
+    <_TargetId>IISWebDeployPackage</_TargetId>
+    <TargetFramework>net8.0</TargetFramework>
+  </PropertyGroup>
+</Project>

EnvelopeGenerator.API/appsettings.Development.json

@@ -1,10 +1,21 @@
 {
-  "Logging": {
+"Logging": {
-    "LogLevel": {
+  "LogLevel": {
-      "Default": "Information",
+    "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
+    "Microsoft.AspNetCore": "Warning"
+  }
+},
+"ReverseProxy": {
+  "Clusters": {
+    "receiver-ui": {
+      "Destinations": {
+        "primary": {
+          "Address": "https://localhost:52936"
+        }
+      }
     }
-  },
+  }
+},
   "AuthClientParams": {
     "Url": "http://172.24.12.39:9090/auth-hub",
     "PublicKeys": [

EnvelopeGenerator.API/appsettings.json

@@ -1,6 +1,6 @@
 {
   "UseSwagger": true,
-  "UseDbMigration": true,
+  "UseDbMigration": false,
   "DiPMode": true,
   "Logging": {
     "LogLevel": {
@@ -174,6 +174,14 @@
     "Receiver": [],
     "EmailTemplate": [ "TBSIG_EMAIL_TEMPLATE_AFT_UPD" ]
   },
+  "Cache": {
+    "SignatureCacheExpiration": null,
+    "SqlServer": {
+      "ConnectionString": null,
+      "SchemaName": "dbo",
+      "TableName": "TBDD_CACHE"
+    }
+  },
   "MainPageTitle": null,
   "AnnotationParams": {
     "Background": {

EnvelopeGenerator.API/yarp.json

@@ -1,18 +1,177 @@
 {
-  "ReverseProxy": {
+"ReverseProxy": {
-    "Routes": {
+  "Routes": {
-      "auth-login": {
+    "receiver-ui-root": {
-        "ClusterId": "auth-hub",
+      "ClusterId": "receiver-ui",
-        "Match": {
+      "Order": 300,
-          "Path": "/api/auth",
+      "Match": {
-          "Methods": [ "POST" ]
+        "Path": "/",
-        },
+        "Methods": [ "GET", "HEAD" ]
-        "Transforms": [
+      },
-          { "PathSet": "/api/auth/sign-flow" }
+      "Transforms": [
-        ]
+        { "PathSet": "/index.html" }
+      ]
+    },
+    "receiver-ui-sender": {
+      "ClusterId": "receiver-ui",
+      "Order": 100,
+      "Match": {
+        "Path": "/sender/{**catch-all}",
+        "Methods": [ "GET", "HEAD" ]
+      },
+      "Transforms": [
+        { "PathSet": "/index.html" }
+      ]
+    },
+    "receiver-ui-envelope": {
+      "ClusterId": "receiver-ui",
+      "Order": 100,
+      "Match": {
+        "Path": "/envelope/{EnvelopeKey}",
+        "Methods": [ "GET", "HEAD" ]
+      },
+      "Transforms": [
+        { "PathSet": "/index.html" }
+      ]
+    },
+    "receiver-ui-envelope-dxreportviewer": {
+      "ClusterId": "receiver-ui",
+      "Order": 90,
+      "Match": {
+        "Path": "/envelope/{EnvelopeKey}/DxReportViewer",
+        "Methods": [ "GET", "HEAD" ]
+      },
+      "Transforms": [
+        { "PathSet": "/index.html" }
+      ]
+    },
+    "receiver-ui-blazor-framework": {
+      "ClusterId": "receiver-ui",
+      "Order": 50,
+      "Match": {
+        "Path": "/_framework/{**catch-all}",
+        "Methods": [ "GET", "HEAD" ]
       }
     },
+    "receiver-ui-blazor-content": {
+      "ClusterId": "receiver-ui",
+      "Order": 50,
+      "Match": {
+        "Path": "/_content/{**catch-all}",
+        "Methods": [ "GET", "HEAD" ]
+      }
+    },
+    "receiver-ui-static-css": {
+      "ClusterId": "receiver-ui",
+      "Order": 200,
+      "Match": {
+        "Path": "/css/{**catch-all}",
+        "Methods": [ "GET", "HEAD" ]
+      },
+      "Transforms": [
+        {
+          "ResponseHeader": "Cache-Control",
+          "Set": "no-cache, no-store, must-revalidate",
+          "When": "Always"
+        }
+      ]
+    },
+    "receiver-ui-static-js": {
+      "ClusterId": "receiver-ui",
+      "Order": 200,
+      "Match": {
+        "Path": "/js/{**catch-all}",
+        "Methods": [ "GET", "HEAD" ]
+      },
+      "Transforms": [
+        {
+          "ResponseHeader": "Cache-Control",
+          "Set": "no-cache, no-store, must-revalidate",
+          "When": "Always"
+        }
+      ]
+    },
+    "receiver-ui-fake-data": {
+      "ClusterId": "receiver-ui",
+      "Order": 200,
+      "Match": {
+        "Path": "/fake-data/{**catch-all}",
+        "Methods": [ "GET", "HEAD" ]
+      }
+    },
+    "receiver-ui-appsettings": {
+      "ClusterId": "receiver-ui",
+      "Order": 50,
+      "Match": {
+        "Path": "/appsettings.json",
+        "Methods": [ "GET", "HEAD" ]
+      }
+    },
+    "receiver-ui-appsettings-dev": {
+      "ClusterId": "receiver-ui",
+      "Order": 50,
+      "Match": {
+        "Path": "/appsettings.Development.json",
+        "Methods": [ "GET", "HEAD" ]
+      }
+    },
+    "receiver-ui-styles": {
+      "ClusterId": "receiver-ui",
+      "Order": 50,
+      "Match": {
+        "Path": "/EnvelopeGenerator.ReceiverUI.styles.css",
+        "Methods": [ "GET", "HEAD" ]
+      }
+    },
+    "receiver-ui-fonts": {
+      "ClusterId": "receiver-ui",
+      "Order": 200,
+      "Match": {
+        "Path": "/fonts/{**catch-all}",
+        "Methods": [ "GET", "HEAD" ]
+      }
+    },
+    "receiver-ui-images": {
+      "ClusterId": "receiver-ui",
+      "Order": 200,
+      "Match": {
+        "Path": "/images/{**catch-all}",
+        "Methods": [ "GET", "HEAD" ]
+      }
+    },
+    "auth-login": {
+      "ClusterId": "auth-hub",
+      "Match": {
+        "Path": "/api/auth",
+        "Methods": [ "POST" ]
+      },
+      "Transforms": [
+        { "PathSet": "/api/auth/sign-flow" }
+      ]
+    },
+    "auth-envelope-receiver-login": {
+      "ClusterId": "auth-hub",
+      "Match": {
+        "Path": "/api/Auth/envelope-receiver/{key}",
+        "Methods": [ "POST" ]
+      },
+      "Transforms": [
+        { "PathPattern": "/api/auth/envelope-receiver/{key}" },
+        {
+          "QueryValueParameter": "cookie",
+          "Set": "true"
+        }
+      ]
+    }
+  },
     "Clusters": {
+      "receiver-ui": {
+        "Destinations": {
+          "primary": {
+            "Address": "https://localhost:52936"
+          }
+        }
+      },
       "auth-hub": {
         "Destinations": {
           "primary": {
@@ -23,3 +182,4 @@
     }
   }
 }
+

EnvelopeGenerator.Application/Common/Dto/AnnotationDto.cs

@@ -8,42 +8,77 @@ public record AnnotationCreateDto
     /// <summary>
     /// 
     /// </summary>
-    public int ElementId { get; init; }
+    public long Id { get; set; }
 
     /// <summary>
     /// 
     /// </summary>
-    public string Name { get; init; } = null!;
+    [Obsolete("Not required for DevExpress")]
+    public int ElementId { get; init; } = -1;
 
     /// <summary>
     /// 
     /// </summary>
-    public string Value { get; init; } = null!;
+    [Obsolete("Not required for DevExpress")]
+    public string Name { get; init; } = string.Empty;
 
     /// <summary>
     /// 
     /// </summary>
-    public string Type { get; init; } = null!;
+    [Obsolete("Not required for DevExpress")]
+    public string Value { get; init; } = string.Empty;
 
     /// <summary>
     /// 
     /// </summary>
+    [Obsolete("Not required for DevExpress")]
+    public string Type { get; init; } = string.Empty;
+
+    /// <summary>
+    /// Horizontal position of the signature field on the page.
+    /// <br/><br/>
+    /// <b>Unit:</b> INCHES (GdPicture14 native), origin at the <b>top-left</b> corner of the page, X increases to the right.
+    /// <br/>
+    /// <b>Conversion to DevExpress:</b> Multiply by 100 (DX uses 1/100 inch).
+    /// Convert: <c>xDX = xInches * 100.0</c>
+    /// <br/>
+    /// <b>Conversion to PDF Points:</b> Multiply by 72 (PSPDFKit, iText7 use 1/72 inch).
+    /// Convert: <c>xPt = xInches * 72.0</c>
+    /// </summary>
     public double? X { get; init; }
 
     /// <summary>
-    /// 
+    /// Vertical position of the signature field on the page.
+    /// <br/><br/>
+    /// <b>Unit:</b> INCHES (GdPicture14 native), origin at the <b>top-left</b> corner of the page, Y increases downward.
+    /// <br/>
+    /// <b>Conversion to DevExpress:</b> Multiply by 100 (DX uses 1/100 inch).
+    /// Convert: <c>yDX = yInches * 100.0</c>
+    /// <br/>
+    /// <b>Conversion to PDF Points (top-left origin):</b> Multiply by 72.
+    /// Convert: <c>yPt = yInches * 72.0</c>
+    /// <br/>
+    /// <b>Conversion to PDF Points (bottom-left origin - iText7):</b> Y-flip required.
+    /// Convert: <c>yPt = (pageHeightInches - yInches - elemHeightInches) * 72.0</c>
     /// </summary>
     public double? Y { get; init; }
 
     /// <summary>
     /// 
     /// </summary>
+    [Obsolete("Not required for DevExpress")]
     public double? Width { get; init; }
 
     /// <summary>
     /// 
     /// </summary>
+    [Obsolete("Not required for DevExpress")]
     public double? Height { get; init; }
+
+    /// <summary>
+    /// Added to eliminate the need for SignatureDto in DevExpress 
+    /// </summary>
+    public int? Page { get; init; }
 }
 
 /// <summary>

EnvelopeGenerator.Application/Common/Dto/DocReceiverElementDto.cs

@@ -1,5 +1,7 @@
-using EnvelopeGenerator.Domain.Interfaces;
+using EnvelopeGenerator.Domain.Constants;
+using EnvelopeGenerator.Domain.Interfaces;
 using Microsoft.AspNetCore.Mvc;
+using System.ComponentModel.DataAnnotations.Schema;
 
 namespace EnvelopeGenerator.Application.Common.Dto;
 
@@ -7,7 +9,7 @@ namespace EnvelopeGenerator.Application.Common.Dto;
 /// Data Transfer Object representing a positioned element assigned to a document receiver.
 /// </summary>
 [ApiExplorerSettings(IgnoreApi = true)]
-public class SignatureDto : ISignature
+public class DocReceiverElementDto : IDocReceiverElement
 {
     /// <summary>
     /// Gets or sets the unique identifier of the element.
@@ -93,4 +95,34 @@ public class SignatureDto : ISignature
     /// Gets or sets the left position of the element (in layout terms).
     /// </summary>
     public double Left => X;
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public IEnumerable<AnnotationDto>? Annotations { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public SenderAppType SenderAppType { get; set; } = SenderAppType.LegacyFormApp;
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public string? FullName { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public string? Position { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public string? Place { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public byte[]? Ink { get; set; }
 }

EnvelopeGenerator.Application/Common/Dto/DocumentDto.cs

@@ -31,5 +31,5 @@ public class DocumentDto
     /// <summary>
     /// Gets or sets the collection of elements associated with the document for receiver interactions, if any.
     /// </summary>
-    public IEnumerable<SignatureDto>? Elements { get; set; }
+    public IEnumerable<DocReceiverElementDto>? Elements { get; set; }
 }

EnvelopeGenerator.Application/Common/Dto/EnvelopeDto.cs

@@ -1,8 +1,12 @@
 using DigitalData.EmailProfilerDispatcher.Abstraction.Attributes;
 using DigitalData.UserManager.Application.DTOs.User;
+using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiver;
+using EnvelopeGenerator.Application.Common.Dto.Receiver;
 using EnvelopeGenerator.Domain.Constants;
 using EnvelopeGenerator.Domain.Entities;
+using EnvelopeGenerator.Domain.Interfaces;
 using Microsoft.AspNetCore.Mvc;
+using System.Text.Json.Serialization;
 
 namespace EnvelopeGenerator.Application.Common.Dto;
 
@@ -10,7 +14,7 @@ namespace EnvelopeGenerator.Application.Common.Dto;
 /// 
 /// </summary>
 [ApiExplorerSettings(IgnoreApi = true)]
-public record EnvelopeDto
+public record EnvelopeDto : IEnvelope
 {
 	/// <summary>
 	/// 
@@ -74,10 +78,12 @@ public record EnvelopeDto
     /// </summary>
     public int? EnvelopeTypeId { get; set; }
 
+    // TODO: use ReadAndConfirm property name
     /// <summary>
     /// 
     /// </summary>
-    public bool ReadOnly => EnvelopeTypeId == 2;
+    [Obsolete("Use EnvelopeExtensions.IsReadAndConfirm extension metot instead.")]
+    public bool ReadOnly => this.IsReadAndConfirm();
 
     /// <summary>
     /// 
@@ -123,4 +129,9 @@ public record EnvelopeDto
     /// 
     /// </summary>
     public IEnumerable<DocumentDto>? Documents { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public IEnumerable<ReceiverDto>? Receivers { get; set; }
 }

EnvelopeGenerator.Application/Common/Dto/MappingProfile.cs

@@ -23,10 +23,10 @@ public class MappingProfile : Profile
     {
         // Entity to DTO mappings
         CreateMap<Config, ConfigDto>();
-        CreateMap<Signature, SignatureDto>();
+        CreateMap<DocReceiverElement, DocReceiverElementDto>();
         CreateMap<DocumentStatus, DocumentStatusDto>();
         CreateMap<EmailTemplate, EmailTemplateDto>();
-        CreateMap<Envelope, EnvelopeDto>();
+        CreateMap<Envelope, EnvelopeDto>().ForMember(dest => dest.Receivers, opt => opt.MapFrom(src => src.EnvelopeReceivers.Select(er => er.Receiver)));
         CreateMap<Document, DocumentDto>();
         CreateMap<Domain.Entities.History, HistoryDto>().ForMember(dest => dest.ActionDate, opt => opt.MapFrom(src => src.ChangedWhen));
         CreateMap<Domain.Entities.History, HistoryCreateDto>().ForMember(dest => dest.ActionDate, opt => opt.MapFrom(src => src.ChangedWhen));
@@ -39,7 +39,10 @@ public class MappingProfile : Profile
 
         // DTO to Entity mappings
         CreateMap<ConfigDto, Config>();
-        CreateMap<SignatureDto, Signature>();
+        CreateMap<DocReceiverElementDto, DocReceiverElement>();
+        CreateMap<Signature, DocReceiverElement>()
+            .ForMember(dest => dest.Ink, opt => opt.MapFrom(src => src.DataUrl.MapDataUrlToRequiredBytes()))
+            .MapChangedWhen();
         CreateMap<DocumentStatusDto, DocumentStatus>();
         CreateMap<EmailTemplateDto, EmailTemplate>();
         CreateMap<EnvelopeDto, Envelope>();

EnvelopeGenerator.Application/Common/Dto/PsPdfKitAnnotation.cs

@@ -0,0 +1,11 @@
+using System.Dynamic;
+
+namespace EnvelopeGenerator.Application.Common.Dto;
+
+/// <summary>
+/// Represents PSPDFKit annotation data.
+/// </summary>
+/// <param name="Instant">Instant annotation data.</param>
+/// <param name="Structured">Structured annotation data.</param>
+[Obsolete("The PSPDFKit library is deprecated.")]
+public record PsPdfKitAnnotation(ExpandoObject Instant, IEnumerable<AnnotationCreateDto> Structured);

EnvelopeGenerator.Application/Common/Dto/Signature.cs

@@ -0,0 +1,65 @@
+namespace EnvelopeGenerator.Application.Common.Dto;
+
+/// <summary>
+/// Represents a captured signature with metadata created by the receiver in the signature popup.
+/// This model holds the signature image (as base64 data URL) along with signer information
+/// used for rendering applied signatures on the PDF canvas.
+/// </summary>
+/// <remarks>
+/// <b>Used in:</b> EnvelopeViewer.razor signature popup workflow
+/// <br/>
+/// <b>Creation:</b> User draws/types/uploads signature and fills required fields
+/// </remarks>
+public sealed record Signature
+{
+    /// <summary>
+    /// TBDD_DOCUMENT_RECEIVER_ELEMENT.ID - identifies the specific signature field on the PDF page.
+    /// </summary>
+    public required int Id { get; init; }
+
+    /// <summary>
+    /// Base64-encoded data URL of the signature image.
+    /// <br/>
+    /// <b>Format:</b> <c>data:image/png;base64,iVBORw0KG...</c>
+    /// <br/>
+    /// <b>Source:</b> Canvas.toDataURL() from signature pad (draw/text/image tabs)
+    /// <br/>
+    /// <b>Usage:</b> Set as <c>img.src</c> in applied signature overlay
+    /// </summary>
+    public required string DataUrl { get; init; }
+
+    /// <summary>
+    /// Full name of the signer (first and last name).
+    /// <br/>
+    /// <b>Required:</b> Yes (validated in popup)
+    /// <br/>
+    /// <b>Example:</b> "Max Mustermann"
+    /// </summary>
+    public required string FullName { get; init; }
+
+    private readonly string? _position = null;
+
+    /// <summary>
+    /// Job title or position of the signer.
+    /// <br/>
+    /// <b>Required:</b> No (optional field)
+    /// <br/>
+    /// <b>Example:</b> "Geschäftsführer" or empty string
+    /// </summary>
+    public string? Position
+    {
+        get => _position;
+        init => _position = string.IsNullOrWhiteSpace(value) ? value : null;
+    }
+
+    /// <summary>
+    /// Location/place where the signature was created.
+    /// <br/>
+    /// <b>Required:</b> Yes (validated in popup)
+    /// <br/>
+    /// <b>Display:</b> Shown with current date in German format (dd.MM.yyyy)
+    /// <br/>
+    /// <b>Example:</b> "Berlin" ? rendered as "Berlin, 26.01.2025"
+    /// </summary>
+    public required string Place { get; init; }
+}

EnvelopeGenerator.Application/Common/Extensions/AutoMapperAuditingExtensions.cs

@@ -1,5 +1,6 @@
 using AutoMapper;
 using EnvelopeGenerator.Domain.Interfaces.Auditing;
+using System;
 
 namespace EnvelopeGenerator.Application.Common.Extensions;
 
@@ -13,12 +14,29 @@ public static class AutoMapperAuditingExtensions
     /// </summary>
     public static IMappingExpression<TSource, TDestination> MapAddedWhen<TSource, TDestination>(this IMappingExpression<TSource, TDestination> expression)
         where TDestination : IHasAddedWhen
-        => expression.ForMember(dest => dest.AddedWhen, opt => opt.MapFrom(_ => DateTime.UtcNow));
+        => expression.ForMember(dest => dest.AddedWhen, opt => opt.MapFrom(_ => DateTime.Now));
 
     /// <summary>
     /// Maps <see cref="IHasChangedWhen.ChangedWhen"/> to the current UTC time.
     /// </summary>
     public static IMappingExpression<TSource, TDestination> MapChangedWhen<TSource, TDestination>(this IMappingExpression<TSource, TDestination> expression)
         where TDestination : IHasChangedWhen
-        => expression.ForMember(dest => dest.ChangedWhen, opt => opt.MapFrom(_ => DateTime.UtcNow));
+        => expression.ForMember(dest => dest.ChangedWhen, opt => opt.MapFrom(_ => DateTime.Now));
+
+    /// <summary>
+    /// Converts a base64 data URL string to a byte array.
+    /// Handles data URLs in the format: "data:image/png;base64,iVBORw0KG..."
+    /// </summary>
+    /// <param name="dataUrl">The base64 data URL string from Canvas.toDataURL()</param>
+    /// <returns>The decoded byte array, or null if the input is null or empty</returns>
+    public static byte[]? MapDataUrlToRequiredBytes(this string dataUrl)
+    {
+        // Remove data URL prefix (e.g., "data:image/png;base64,")
+        var base64Index = dataUrl.IndexOf(',', StringComparison.Ordinal);
+        if (base64Index == -1)
+            throw new ArgumentException("Invalid data URL format. Unable to extract base64 data.", nameof(dataUrl));
+
+        var base64Data = dataUrl[(base64Index + 1)..];
+        return Convert.FromBase64String(base64Data);
+    }
 }

EnvelopeGenerator.Application/Common/Interfaces/Repositories/IDocumentReceiverElementRepository.cs

@@ -6,6 +6,6 @@ namespace EnvelopeGenerator.Application.Common.Interfaces.Repositories;
 /// 
 /// </summary>
 [Obsolete("Use IRepository")]
-public interface IDocumentReceiverElementRepository : ICRUDRepository<Signature, int>
+public interface IDocumentReceiverElementRepository : ICRUDRepository<DocReceiverElement, int>
 {
 }

EnvelopeGenerator.Application/Common/Interfaces/Services/IDocumentReceiverElementService.cs

@@ -8,6 +8,6 @@ namespace EnvelopeGenerator.Application.Common.Interfaces.Services;
 /// 
 /// </summary>
 [Obsolete("Use MediatR")]
-public interface IDocumentReceiverElementService : IBasicCRUDService<SignatureDto, Signature, int>
+public interface IDocumentReceiverElementService : IBasicCRUDService<DocReceiverElementDto, DocReceiverElement, int>
 {
 }

EnvelopeGenerator.Application/Common/Notifications/DocSigned/DocSignedNotification.cs

@@ -1,88 +1,37 @@
 using EnvelopeGenerator.Application.Common.Dto;
 using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiver;
 using EnvelopeGenerator.Application.Common.Extensions;
-using EnvelopeGenerator.Application.Common.Notifications.RemoveSignature;
 using EnvelopeGenerator.Domain.Constants;
 using MediatR;
-using System.Dynamic;
 
 namespace EnvelopeGenerator.Application.Common.Notifications.DocSigned;
 
 /// <summary>
-/// 
+/// Notification raised when a document is signed by a receiver.
 /// </summary>
-/// <param name="Instant"></param>
+[Obsolete("This notification is deprecated. Use Signature.Commands.SignCommand instead.")]
-/// <param name="Structured"></param>
+public record DocSignedNotification : INotification, ISendMailNotification
-public record PsPdfKitAnnotation(ExpandoObject Instant, IEnumerable<AnnotationCreateDto> Structured);
-
-/// <summary>
-/// 
-/// </summary>
-/// <param name="Original"></param>
-public record DocSignedNotification(EnvelopeReceiverDto Original) : EnvelopeReceiverDto(Original), INotification, ISendMailNotification
 {
     /// <summary>
-    /// 
+    /// The envelope receiver information.
     /// </summary>
+    public required EnvelopeReceiverDto EnvelopeReceiver { get; init; }
+
+    /// <summary>
+    /// The PSPDFKit annotation data.
+    /// </summary>
+    [Obsolete("The PSPDFKit library is deprecated.")]
     public PsPdfKitAnnotation? PsPdfKitAnnotation { get; init; }
 
     /// <summary>
-    /// 
+    /// Gets the email template type.
     /// </summary>
     public EmailTemplateType TemplateType => EmailTemplateType.DocumentSigned;
 
     /// <summary>
-    /// 
+    /// Gets the email address of the receiver.
     /// </summary>
-    public string EmailAddress => Receiver?.EmailAddress
+    public string EmailAddress => EnvelopeReceiver.Receiver?.EmailAddress
         ?? throw new InvalidOperationException($"Receiver is null." +
             $"DocSignedNotification:\n{this.ToJson(Format.Json.ForDiagnostics)}");
-}
-
-/// <summary>
-/// 
-/// </summary>
-public static class DocSignedNotificationExtensions
-{
-    /// <summary>
-    /// Converts an <see cref="EnvelopeReceiverDto"/> to a <see cref="DocSignedNotification"/>.
-    /// </summary>
-    /// <param name="dto">The DTO to convert.</param>
-    /// <param name="psPdfKitAnnotation"></param>
-    /// <returns>A new <see cref="DocSignedNotification"/> instance.</returns>
-    public static DocSignedNotification ToDocSignedNotification(this EnvelopeReceiverDto dto, PsPdfKitAnnotation psPdfKitAnnotation)
-        => new(dto) { PsPdfKitAnnotation = psPdfKitAnnotation };
-
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="dtoTask"></param>
-    /// <param name="psPdfKitAnnotation"></param>
-    /// <returns></returns>
-    public static async Task<DocSignedNotification?> ToDocSignedNotification(this Task<EnvelopeReceiverDto?> dtoTask, PsPdfKitAnnotation? psPdfKitAnnotation)
-        => await dtoTask is EnvelopeReceiverDto dto ? new(dto) { PsPdfKitAnnotation = psPdfKitAnnotation } : null;
-
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="publisher"></param>
-    /// <param name="notification"></param>
-    /// <param name="cancel"></param>
-    /// <returns></returns>
-    public static async Task PublishSafely(this IPublisher publisher, DocSignedNotification notification, CancellationToken cancel = default)
-    {
-        try
-        {
-            await publisher.Publish(notification, cancel);
-        }
-        catch (Exception)
-        {
-            await publisher.Publish(new RemoveSignatureNotification()
-            {
-                EnvelopeId = notification.EnvelopeId,
-                ReceiverId = notification.ReceiverId
-            }, cancel);
-            throw;
-        }
-    }
 }

EnvelopeGenerator.Application/Common/Notifications/DocSigned/Handlers/AnnotationHandler.cs

@@ -1,5 +1,6 @@
 using DigitalData.Core.Abstraction.Application.Repository;
 using EnvelopeGenerator.Domain.Entities;
+using EnvelopeGenerator.Application.Common.Dto;
 using MediatR;
 
 namespace EnvelopeGenerator.Application.Common.Notifications.DocSigned.Handlers;
@@ -7,6 +8,7 @@ namespace EnvelopeGenerator.Application.Common.Notifications.DocSigned.Handlers;
 /// <summary>
 /// 
 /// </summary>
+[Obsolete("The PSPDFKit library is deprecated.")]
 public class AnnotationHandler : INotificationHandler<DocSignedNotification>
 {
     /// <summary>

EnvelopeGenerator.Application/Common/Notifications/DocSigned/Handlers/DocStatusHandler.cs

@@ -1,4 +1,5 @@
 using EnvelopeGenerator.Application.DocStatus.Commands;
+using EnvelopeGenerator.Application.Common.Dto;
 using EnvelopeGenerator.Domain.Constants;
 using MediatR;
 using System.Text.Json;
@@ -8,6 +9,7 @@ namespace EnvelopeGenerator.Application.Common.Notifications.DocSigned.Handlers;
 /// <summary>
 /// 
 /// </summary>
+[Obsolete("This notification is deprecated. Use Signature.Commands.SignCommand instead.")]
 public class DocStatusHandler : INotificationHandler<DocSignedNotification>
 {
     private const string BlankAnnotationJson = "{}";
@@ -29,15 +31,13 @@ public class DocStatusHandler : INotificationHandler<DocSignedNotification>
     /// <param name="notification"></param>
     /// <param name="cancel"></param>
     /// <returns></returns>
-    public async Task Handle(DocSignedNotification notification, CancellationToken cancel)
+    [Obsolete("This notification is deprecated. Use Signature.Commands.SignCommand instead.")]
+    public Task Handle(DocSignedNotification notification, CancellationToken cancel) => _sender.Send(new CreateDocStatusCommand()
     {
-        await _sender.Send(new SaveDocStatusCommand()
+        EnvelopeId = notification.EnvelopeReceiver.EnvelopeId,
-        {
+        ReceiverId = notification.EnvelopeReceiver.ReceiverId,
-            Envelope = new() { Id = notification.EnvelopeId },
+        Value = notification.PsPdfKitAnnotation is PsPdfKitAnnotation annot
-            Receiver = new() { Id = notification.ReceiverId},
+                    ? JsonSerializer.Serialize(annot.Instant, Format.Json.ForAnnotations)
-            Value = notification.PsPdfKitAnnotation is PsPdfKitAnnotation annot 
-                    ? JsonSerializer.Serialize(annot.Instant, Format.Json.ForAnnotations) 
                     : BlankAnnotationJson
-        }, cancel);
+    }, cancel);
-    }
 }

EnvelopeGenerator.Application/Common/Notifications/DocSigned/Handlers/HistoryHandler.cs

@@ -29,13 +29,13 @@ public class HistoryHandler : INotificationHandler<DocSignedNotification>
     /// <returns></returns>
     public async Task Handle(DocSignedNotification notification, CancellationToken cancel)
     {
-        if (notification.Receiver is null)
+        if (notification.EnvelopeReceiver.Receiver is null)
             throw new InvalidOperationException($"Receiver information is missing in the notification. DocSignedNotification:\n {notification.ToJson(Format.Json.ForDiagnostics)}");
 
         await _sender.Send(new CreateHistoryCommand()
         {
-            EnvelopeId = notification.EnvelopeId,
+            EnvelopeId = notification.EnvelopeReceiver.EnvelopeId,
-            UserReference = notification.Receiver.EmailAddress,
+            UserReference = notification.EnvelopeReceiver.Receiver.EmailAddress,
             Status = EnvelopeStatus.DocumentSigned,
         }, cancel);
     }

EnvelopeGenerator.Application/Common/Notifications/DocSigned/Handlers/SendSignedMailHandler.cs

@@ -3,6 +3,7 @@ using DigitalData.EmailProfilerDispatcher.Abstraction.Entities;
 using EnvelopeGenerator.Application.Common.Configurations;
 using EnvelopeGenerator.Domain.Entities;
 using Microsoft.Extensions.Options;
+using EnvelopeGenerator.Domain.Interfaces;
 
 namespace EnvelopeGenerator.Application.Common.Notifications.DocSigned.Handlers;
 
@@ -30,7 +31,7 @@ public class SendSignedMailHandler : SendMailHandler<DocSignedNotification>
     protected override void ConfigureEmailOut(DocSignedNotification notification, EmailOut emailOut)
     {
         emailOut.ReferenceString = notification.EmailAddress;
-        emailOut.ReferenceId = notification.ReceiverId;
+        emailOut.ReferenceId = notification.EnvelopeReceiver.ReceiverId;
     }
 
     /// <summary>
@@ -41,10 +42,29 @@ public class SendSignedMailHandler : SendMailHandler<DocSignedNotification>
     {
         var placeHolders = new Dictionary<string, string>()
         {
-            { "[NAME_RECEIVER]", notification.Name ?? string.Empty },
+            { "[NAME_RECEIVER]", notification.EnvelopeReceiver.Name ?? string.Empty },
-            { "[DOCUMENT_TITLE]", notification.Envelope?.Title ?? string.Empty },
+            { "[DOCUMENT_TITLE]", notification.EnvelopeReceiver.Envelope?.Title ?? string.Empty },
         };
 
+        if (notification.EnvelopeReceiver.Envelope.IsReadAndConfirm())
+        {
+            placeHolders["[SIGNATURE_TYPE]"] = "Lesen und bestätigen";
+            placeHolders["[DOCUMENT_PROCESS]"] = string.Empty;
+            placeHolders["[FINAL_STATUS]"] = "Lesebestätigung";
+            placeHolders["[FINAL_ACTION]"] = "Empfänger bestätigt";
+            placeHolders["[REJECTED_BY_OTHERS]"] = "anderen Empfänger abgelehnt!";
+            placeHolders["[RECEIVER_ACTION]"] = "bestätigt";
+        }
+        else
+        {
+            placeHolders["[SIGNATURE_TYPE]"] = "Signieren";
+            placeHolders["[DOCUMENT_PROCESS]"] = " und elektronisch unterschreiben";
+            placeHolders["[FINAL_STATUS]"] = "Signatur";
+            placeHolders["[FINAL_ACTION]"] = "Vertragspartner unterzeichnet";
+            placeHolders["[REJECTED_BY_OTHERS]"] = "anderen Vertragspartner abgelehnt! Ihre notwendige Unterzeichnung wurde verworfen.";
+            placeHolders["[RECEIVER_ACTION]"] = "unterschrieben";
+        }
+
         return placeHolders;
     }
 }

EnvelopeGenerator.Application/Common/Notifications/SendMailHandler.cs

@@ -113,7 +113,7 @@ public abstract class SendMailHandler<TNotification> : INotificationHandler<TNot
             EmailAddress = notification.EmailAddress,
             EmailBody = temp.Body,
             EmailSubj = temp.Subject,
-            AddedWhen = DateTime.UtcNow,
+            AddedWhen = DateTime.Now,
             AddedWho = DispatcherParams.AddedWho,
             SendingProfile = DispatcherParams.SendingProfile,
             ReminderTypeId = DispatcherParams.ReminderTypeId,

EnvelopeGenerator.Application/DependencyInjection.cs

@@ -7,6 +7,9 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using QRCoder;
 using System.Reflection;
+using MediatR;
+using EnvelopeGenerator.Application.DocReceiverElements.Commands;
+using EnvelopeGenerator.Application.DocReceiverElements.Behaviors;
 
 namespace EnvelopeGenerator.Application;
 
@@ -56,6 +59,22 @@ public static class DependencyInjection
         services.AddMediatR(cfg =>
         {
             cfg.RegisterServicesFromAssembly(Assembly.GetExecutingAssembly());
+            
+            // Register SignCommand pipeline behaviors in execution order
+            // 0. EnvelopeReceiverResolutionBehavior - Resolves EnvelopeReceiver from query parameters (executes FIRST)
+            cfg.AddBehavior<IPipelineBehavior<SigningCommand, Unit>, EnvelopeReceiverResolutionBehavior>();
+            
+            // 1. AnnotationBehavior - Saves annotations (executes second)
+            cfg.AddBehavior<IPipelineBehavior<SigningCommand, Unit>, AnnotationBehavior>();
+            
+            // 2. DocStatusBehavior - Creates document status (executes third)
+            cfg.AddBehavior<IPipelineBehavior<SigningCommand, Unit>, DocStatusBehavior>();
+
+            // 3. HistoryBehavior - Records history (executes fourth)
+            cfg.AddBehavior<IPipelineBehavior<SigningCommand, Unit>, HistoryBehavior>();
+            
+            // 4. SendSignedMailBehavior - Sends notification email (executes LAST, only if all previous succeed)
+            cfg.AddBehavior<IPipelineBehavior<SigningCommand, Unit>, SendSignedMailBehavior>();
         });
 
         return services;

EnvelopeGenerator.Application/DocReceiverElements/Behaviors/AnnotationBehavior.cs

@@ -0,0 +1,50 @@
+using DigitalData.Core.Abstraction.Application.Repository;
+using DigitalData.Core.Exceptions;
+using EnvelopeGenerator.Application.Common.Dto;
+using EnvelopeGenerator.Application.DocReceiverElements.Commands;
+using EnvelopeGenerator.Domain.Entities;
+using MediatR;
+
+namespace EnvelopeGenerator.Application.DocReceiverElements.Behaviors;
+
+/// <summary>
+/// Pipeline behavior that saves annotations.
+/// Executes first in the signing process.
+/// </summary>
+[Obsolete("The PSPDFKit library is deprecated.")]
+public class AnnotationBehavior : IPipelineBehavior<SigningCommand, Unit>
+{
+    private readonly IRepository<ElementAnnotation> _repo;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="AnnotationBehavior"/> class.
+    /// </summary>
+    /// <param name="repository"></param>
+    public AnnotationBehavior(IRepository<ElementAnnotation> repository)
+    {
+        _repo = repository;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="request"></param>
+    /// <param name="next"></param>
+    /// <param name="cancel"></param>
+    /// <returns></returns>
+    public async Task<Unit> Handle(SigningCommand request, RequestHandlerDelegate<Unit> next, CancellationToken cancel)
+    {
+        if(request.ReceiverAppType != ReceiverAppType.LegacyWeb)
+            if(request.PsPdfKitAnnotation is null)
+                return await next(cancel);
+            else
+                throw new BadRequestException("PsPdfKit Annotation are only supported for the legacy web receiver type.");
+
+        if (request.PsPdfKitAnnotation is PsPdfKitAnnotation annot)
+                await _repo.CreateAsync(annot.Structured, cancel);
+            else
+                throw new BadRequestException("Annotation data is missing or invalid.");
+
+            return await next(cancel);
+    }
+}

EnvelopeGenerator.Application/DocReceiverElements/Behaviors/DocStatusBehavior.cs

@@ -0,0 +1,50 @@
+using EnvelopeGenerator.Application.Common.Dto;
+using EnvelopeGenerator.Application.DocStatus.Commands;
+using EnvelopeGenerator.Application.DocReceiverElements.Commands;
+using EnvelopeGenerator.Domain.Constants;
+using MediatR;
+using System.Text.Json;
+
+namespace EnvelopeGenerator.Application.DocReceiverElements.Behaviors;
+
+/// <summary>
+/// Pipeline behavior that creates document status.
+/// Executes second in the signing process.
+/// </summary>
+public class DocStatusBehavior : IPipelineBehavior<SigningCommand, Unit>
+{
+    private const string BlankAnnotationJson = "{}";
+
+    private readonly ISender _sender;
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="sender"></param>
+    public DocStatusBehavior(ISender sender)
+    {
+        _sender = sender;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="request"></param>
+    /// <param name="next"></param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    [Obsolete("This notification is deprecated. Use Signature.Commands.SignCommand instead.")]
+    public async Task<Unit> Handle(SigningCommand request, RequestHandlerDelegate<Unit> next, CancellationToken cancellationToken)
+    {
+        await _sender.Send(new CreateDocStatusCommand()
+        {
+            EnvelopeId = request.EnvelopeReceiver.EnvelopeId,
+            ReceiverId = request.EnvelopeReceiver.ReceiverId,
+            Value = request.PsPdfKitAnnotation is PsPdfKitAnnotation annot
+                        ? JsonSerializer.Serialize(annot.Instant, Format.Json.ForAnnotations)
+                        : BlankAnnotationJson
+        }, cancellationToken);
+
+        return await next(cancellationToken);
+    }
+}

EnvelopeGenerator.Application/DocReceiverElements/Behaviors/EnvelopeReceiverResolutionBehavior.cs

@@ -0,0 +1,54 @@
+using AutoMapper;
+using DigitalData.Core.Abstraction.Application.Repository;
+using DigitalData.Core.Exceptions;
+using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiver;
+using EnvelopeGenerator.Application.Common.Extensions;
+using EnvelopeGenerator.Application.DocReceiverElements.Commands;
+using EnvelopeGenerator.Domain.Entities;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace EnvelopeGenerator.Application.DocReceiverElements.Behaviors;
+
+/// <summary>
+/// Pipeline behavior that resolves and validates EnvelopeReceiver.
+/// Executes FIRST in the signing process - before all other behaviors.
+/// If EnvelopeReceiver is not provided, it queries the database using EnvelopeReceiverQueryBase parameters.
+/// </summary>
+public class EnvelopeReceiverResolutionBehavior : IPipelineBehavior<SigningCommand, Unit>
+{
+    private readonly IRepository<EnvelopeReceiver> _erRepo;
+    private readonly IMapper _mapper;
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="erRepo"></param>
+    /// <param name="mapper"></param>
+    public EnvelopeReceiverResolutionBehavior(IRepository<EnvelopeReceiver> erRepo, IMapper mapper)
+    {
+        _erRepo = erRepo;
+        _mapper = mapper;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="request"></param>
+    /// <param name="next"></param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    public async Task<Unit> Handle(SigningCommand request, RequestHandlerDelegate<Unit> next, CancellationToken cancellationToken)
+    {
+        // If EnvelopeReceiver is not provided, query it from database
+        if (request.EnvelopeReceiver is null)
+        {
+            var er = await _erRepo.Query.Where(request, notnull: true).SingleOrDefaultAsync(cancellationToken)
+                ?? throw new NotFoundException("EnvelopeReceiver not found");
+
+            request.SetEnvelopeReceiver(_mapper.Map<EnvelopeReceiverDto>(er));
+        }
+
+        return await next(cancellationToken);
+    }
+}

EnvelopeGenerator.Application/DocReceiverElements/Behaviors/HistoryBehavior.cs

@@ -0,0 +1,47 @@
+using EnvelopeGenerator.Application.Common.Extensions;
+using EnvelopeGenerator.Application.Histories.Commands;
+using EnvelopeGenerator.Application.DocReceiverElements.Commands;
+using EnvelopeGenerator.Domain.Constants;
+using MediatR;
+
+namespace EnvelopeGenerator.Application.DocReceiverElements.Behaviors;
+
+/// <summary>
+/// Pipeline behavior that records history.
+/// Executes third in the signing process.
+/// </summary>
+public class HistoryBehavior : IPipelineBehavior<SigningCommand, Unit>
+{
+    private readonly ISender _sender;
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="sender"></param>
+    public HistoryBehavior(ISender sender)
+    {
+        _sender = sender;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="request"></param>
+    /// <param name="next"></param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    public async Task<Unit> Handle(SigningCommand request, RequestHandlerDelegate<Unit> next, CancellationToken cancellationToken)
+    {
+        if (request.EnvelopeReceiver.Receiver is null)
+            throw new InvalidOperationException($"Receiver information is missing in the notification. SignCommand:\n {request.ToJson(Format.Json.ForDiagnostics)}");
+
+        await _sender.Send(new CreateHistoryCommand()
+        {
+            EnvelopeId = request.EnvelopeReceiver.EnvelopeId,
+            UserReference = request.EnvelopeReceiver.Receiver.EmailAddress,
+            Status = EnvelopeStatus.DocumentSigned,
+        }, cancellationToken);
+
+        return await next(cancellationToken);
+    }
+}

EnvelopeGenerator.Application/DocReceiverElements/Behaviors/SaveSignatureBehavior.cs

@@ -0,0 +1,70 @@
+using AutoMapper;
+using DigitalData.Core.Abstraction.Application.Repository;
+using DigitalData.Core.Exceptions;
+using EnvelopeGenerator.Application.Common.Dto;
+using EnvelopeGenerator.Application.DocReceiverElements.Commands;
+using EnvelopeGenerator.Domain.Entities;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace EnvelopeGenerator.Application.DocReceiverElements.Behaviors;
+
+/// <summary>
+/// Pipeline behavior that creates document status.
+/// Executes second in the signing process.
+/// </summary>
+public class SaveSignatureBehavior : IPipelineBehavior<SigningCommand, Unit>
+{
+    private readonly ISender _sender;
+
+    private readonly IRepository<DocReceiverElement> _elementRepo;
+
+    private readonly IMapper _mapper;
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="elementRepo"></param>
+    /// <param name="mapper"></param>
+    public SaveSignatureBehavior(ISender sender, IRepository<DocReceiverElement> elementRepo, IMapper mapper)
+    {
+        _sender = sender;
+        _elementRepo = elementRepo;
+        _elementRepo = elementRepo;
+        _mapper = mapper;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="request"></param>
+    /// <param name="next"></param>
+    /// <param name="cancel"></param>
+    /// <returns></returns>
+    public async Task<Unit> Handle(SigningCommand request, RequestHandlerDelegate<Unit> next, CancellationToken cancel)
+    {
+        if (request.ReceiverAppType == ReceiverAppType.LegacyWeb)
+            return await next(cancel);
+        else if(request.Signatures is not IEnumerable<Signature> signatures)
+            throw new BadRequestException($"Signatures are required for saving signature behavior.");
+
+        var elements = await _elementRepo
+            .Where(e => e.Document.EnvelopeId == request.Envelope.Id)
+            .Where(e => e.ReceiverId == request.Receiver.Id)
+            .ToListAsync(cancel);
+
+        foreach (var element in elements)
+        {
+            var signatures = request.Signatures.Where(s => s.Id == element.Id).ToList();
+            if(signatures.Count == 0)
+                throw new BadRequestException("No signature found for element with id {element.Id}.");
+            else if(signatures.Count > 1)
+                throw new BadRequestException("Multiple signatures found for element with id {element.Id}.");
+            
+            await _elementRepo.UpdateAsync(signatures.First(), e => e.Id == element.Id, cancel);
+        }
+
+        return await next(cancel);
+    }
+}

EnvelopeGenerator.Application/DocReceiverElements/Behaviors/SendSignedMailBehavior.cs

@@ -0,0 +1,122 @@
+using DigitalData.Core.Abstraction.Application.Repository;
+using DigitalData.EmailProfilerDispatcher.Abstraction.Entities;
+using EnvelopeGenerator.Application.Common.Configurations;
+using EnvelopeGenerator.Application.Common.Extensions;
+using EnvelopeGenerator.Application.DocReceiverElements.Commands;
+using EnvelopeGenerator.Domain.Constants;
+using EnvelopeGenerator.Domain.Entities;
+using EnvelopeGenerator.Domain.Interfaces;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Options;
+using Newtonsoft.Json;
+
+namespace EnvelopeGenerator.Application.DocReceiverElements.Behaviors;
+
+/// <summary>
+/// Pipeline behavior that sends signed mail notification.
+/// Executes LAST in the signing process - only if all previous behaviors succeed.
+/// </summary>
+public class SendSignedMailBehavior : IPipelineBehavior<SigningCommand, Unit>
+{
+    private readonly IRepository<EmailTemplate> _tempRepo;
+    private readonly IRepository<EmailOut> _emailOutRepo;
+    private readonly MailParams _mailParams;
+    private readonly DispatcherParams _dispatcherParams;
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="tempRepo"></param>
+    /// <param name="emailOutRepo"></param>
+    /// <param name="mailParamsOptions"></param>
+    /// <param name="dispatcherParamsOptions"></param>
+    public SendSignedMailBehavior(
+        IRepository<EmailTemplate> tempRepo,
+        IRepository<EmailOut> emailOutRepo,
+        IOptions<MailParams> mailParamsOptions,
+        IOptions<DispatcherParams> dispatcherParamsOptions)
+    {
+        _tempRepo = tempRepo;
+        _emailOutRepo = emailOutRepo;
+        _mailParams = mailParamsOptions.Value;
+        _dispatcherParams = dispatcherParamsOptions.Value;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="request"></param>
+    /// <param name="next"></param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    public async Task<Unit> Handle(SigningCommand request, RequestHandlerDelegate<Unit> next, CancellationToken cancellationToken)
+    {
+        var placeHolders = CreatePlaceHolders(request);
+
+        var temp = await _tempRepo
+            .Where(x => x.Name == EmailTemplateType.DocumentSigned.ToString())
+            .SingleOrDefaultAsync(cancellationToken)
+                ?? throw new InvalidOperationException($"Email template not found. SignCommand:\n {request.ToJson(Format.Json.ForDiagnostics)}");
+
+        temp.Subject = ReplacePlaceHolders(temp.Subject, placeHolders, _mailParams.Placeholders);
+        temp.Body = ReplacePlaceHolders(temp.Body, placeHolders, _mailParams.Placeholders);
+
+        var emailOut = new EmailOut
+        {
+            EmailAddress = request.EnvelopeReceiver.Receiver!.EmailAddress,
+            EmailBody = temp.Body,
+            EmailSubj = temp.Subject,
+            AddedWhen = DateTime.Now,
+            AddedWho = _dispatcherParams.AddedWho,
+            SendingProfile = _dispatcherParams.SendingProfile,
+            ReminderTypeId = _dispatcherParams.ReminderTypeId,
+            EmailAttmt1 = _dispatcherParams.EmailAttmt1,
+            WfId = (int)EnvelopeStatus.MessageConfirmationSent,
+            ReferenceString = request.EnvelopeReceiver.Receiver!.EmailAddress,
+            ReferenceId = request.EnvelopeReceiver.ReceiverId
+        };
+
+        await _emailOutRepo.CreateAsync(emailOut, cancellationToken);
+
+        return await next(cancellationToken);
+    }
+
+    private Dictionary<string, string> CreatePlaceHolders(SigningCommand request)
+    {
+        var placeHolders = new Dictionary<string, string>()
+        {
+            { "[NAME_RECEIVER]", request.EnvelopeReceiver.Name ?? string.Empty },
+            { "[DOCUMENT_TITLE]", request.EnvelopeReceiver.Envelope?.Title ?? string.Empty },
+        };
+
+        if (request.EnvelopeReceiver.Envelope.IsReadAndConfirm())
+        {
+            placeHolders["[SIGNATURE_TYPE]"] = "Lesen und bestätigen";
+            placeHolders["[DOCUMENT_PROCESS]"] = string.Empty;
+            placeHolders["[FINAL_STATUS]"] = "Lesebestätigung";
+            placeHolders["[FINAL_ACTION]"] = "Empfänger bestätigt";
+            placeHolders["[REJECTED_BY_OTHERS]"] = "anderen Empfänger abgelehnt!";
+            placeHolders["[RECEIVER_ACTION]"] = "bestätigt";
+        }
+        else
+        {
+            placeHolders["[SIGNATURE_TYPE]"] = "Signieren";
+            placeHolders["[DOCUMENT_PROCESS]"] = " und elektronisch unterschreiben";
+            placeHolders["[FINAL_STATUS]"] = "Signatur";
+            placeHolders["[FINAL_ACTION]"] = "Vertragspartner unterzeichnet";
+            placeHolders["[REJECTED_BY_OTHERS]"] = "anderen Vertragspartner abgelehnt! Ihre notwendige Unterzeichnung wurde verworfen.";
+            placeHolders["[RECEIVER_ACTION]"] = "unterschrieben";
+        }
+
+        return placeHolders;
+    }
+
+    private static string ReplacePlaceHolders(string text, params Dictionary<string, string>[] placeHoldersList)
+    {
+        foreach (var placeHolders in placeHoldersList)
+            foreach (var ph in placeHolders)
+                text = text.Replace(ph.Key, ph.Value);
+        return text;
+    }
+}

EnvelopeGenerator.Application/DocReceiverElements/Commands/SigningCommand.cs

@@ -0,0 +1,78 @@
+using MediatR;
+using EnvelopeGenerator.Application.Common.Dto;
+using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiver;
+using EnvelopeGenerator.Application.Common.Query;
+
+namespace EnvelopeGenerator.Application.DocReceiverElements.Commands;
+
+/// <summary>
+/// Command to sign a document by a receiver.
+/// </summary>
+public record SigningCommand : EnvelopeReceiverQueryBase, IRequest
+{
+    private EnvelopeReceiverDto? _envelopeReceiver;
+
+    internal void SetEnvelopeReceiver(EnvelopeReceiverDto envelopeReceiver)
+    {
+        _envelopeReceiver = envelopeReceiver;
+    }
+
+    /// <summary>
+    /// The envelope receiver information.
+    /// </summary>
+    public EnvelopeReceiverDto EnvelopeReceiver
+    { 
+        get => _envelopeReceiver!;
+        init => _envelopeReceiver = value;
+    }
+
+    /// <summary>
+    /// The PSPDFKit annotation data.
+    /// </summary>
+    [Obsolete("This notification is deprecated. Use Signature.Commands.SignCommand instead.")]
+    public PsPdfKitAnnotation? PsPdfKitAnnotation { get; init; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public IEnumerable<Signature>? Signatures { get; init; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public ReceiverAppType ReceiverAppType { get; init; } = ReceiverAppType.ReceiverUI;
+}
+
+/// <summary>
+/// Handles the sign command. All work is done by pipeline behaviors.
+/// This handler is intentionally empty - behaviors handle all the processing.
+/// </summary>
+public class SignCommandHandler : IRequestHandler<SigningCommand>
+{
+    /// <summary>
+    /// Executes the signing command. Pipeline behaviors handle all processing.
+    /// </summary>
+    /// <param name="request"></param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    public Task Handle(SigningCommand request, CancellationToken cancellationToken = default)
+    {
+        return Task.CompletedTask;
+    }
+}
+
+/// <summary>
+/// 
+/// </summary>
+public enum ReceiverAppType
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    ReceiverUI = 0,
+
+    /// <summary>
+    /// 
+    /// </summary>
+    LegacyWeb = 1,
+}

EnvelopeGenerator.Application/DocReceiverElements/Queries/ReadDocReceiverElementQuery.cs

@@ -0,0 +1,66 @@
+using AutoMapper;
+using EnvelopeGenerator.Application.Common.Dto;
+using EnvelopeGenerator.Application.Common.Query;
+using EnvelopeGenerator.Domain.Entities;
+using MediatR;
+using EnvelopeGenerator.Application.Common.Extensions;
+using DigitalData.Core.Abstraction.Application.Repository;
+using Microsoft.EntityFrameworkCore;
+
+namespace EnvelopeGenerator.Application.DocReceiverElements.Queries;
+
+/// <summary>
+/// 
+/// </summary>
+public record ReadDocReceiverElementQuery : EnvelopeReceiverQueryBase, IRequest<IEnumerable<DocReceiverElementDto>>
+{
+}
+
+/// <summary>
+/// 
+/// </summary>
+public class ReadDocReceiverElementQueryHandler : IRequestHandler<ReadDocReceiverElementQuery, IEnumerable<DocReceiverElementDto>>
+{
+    private readonly IRepository<DocReceiverElement> _repository;
+
+    private readonly IMapper _mapper;
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="repository"></param>
+    /// <param name="mapper"></param>
+    public ReadDocReceiverElementQueryHandler(IRepository<DocReceiverElement> repository, IMapper mapper)
+    {
+        _repository = repository;
+        _mapper = mapper;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="request"></param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    /// <exception cref="NotImplementedException"></exception>
+    public async Task<IEnumerable<DocReceiverElementDto>> Handle(ReadDocReceiverElementQuery request, CancellationToken cancellationToken)
+    {
+        var q = _repository.Query;
+
+        if(request.Envelope.Id is int envelopeId)
+            q = q.Where(e => e.Document.EnvelopeId == envelopeId);
+
+        if (request.Envelope.Uuid is string envelopeUuid)
+            q = q.Where(e => e.Document.Envelope.Uuid == envelopeUuid);
+
+        if (request.Receiver.Id is int receiverId)
+            q = q.Where(e => e.ReceiverId == receiverId);
+
+        if (request.Receiver.Signature is string signature)
+            q = q.Where(e => e.Receiver.Signature == signature);
+
+        var elements = await q.ToListAsync(cancellationToken);
+
+        return _mapper.Map<IEnumerable<DocReceiverElementDto>>(elements);
+    }
+}

EnvelopeGenerator.Application/DocStatus/Commands/CreateDocStatusCommand.cs

@@ -8,12 +8,22 @@ namespace EnvelopeGenerator.Application.DocStatus.Commands;
 /// <summary>
 /// 
 /// </summary>
-public record CreateDocStatusCommand : ModifyDocStatusCommandBase, IRequest<DocumentStatus>
+public record CreateDocStatusCommand : IRequest<DocumentStatus>
 {
     /// <summary>
-    /// Gets timestamp when this record was added. Returns the StatusChangedWhen value.
+    /// 
     /// </summary>
-    public DateTime AddedWhen => StatusChangedWhen;
+    public int EnvelopeId { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public int ReceiverId { get; set; }
+
+    /// <summary>
+    /// Gets or sets the display value associated with the status.
+    /// </summary>
+    public string? Value { get; set; }
 }
 
 /// <summary>

EnvelopeGenerator.Application/DocStatus/Commands/ModifyDocStatusCommandBase.cs

@@ -1,54 +0,0 @@
-using EnvelopeGenerator.Application.Common.Query;
-using EnvelopeGenerator.Domain.Constants;
-
-namespace EnvelopeGenerator.Application.DocStatus.Commands;
-
-/// <summary>
-/// 
-/// </summary>
-public record ModifyDocStatusCommandBase : EnvelopeReceiverQueryBase
-{
-    /// <summary>
-    /// 
-    /// </summary>
-    public int? EnvelopeId => Envelope.Id;
-
-    /// <summary>
-    /// 
-    /// </summary>
-    public int? ReceiverId => Receiver.Id;
-
-    /// <summary>
-    /// 
-    /// </summary>
-    public override ReceiverQueryBase Receiver { get => base.Receiver; set => base.Receiver = value; }
-
-    /// <summary>
-    /// Gets the current status code.
-    /// </summary>
-    public DocumentStatus Status => Value is null ? DocumentStatus.Created : DocumentStatus.Signed;
-
-    /// <summary>
-    /// Gets or sets the display value associated with the status.
-    /// </summary>
-    public string? Value { get; set; }
-
-    /// <summary>
-    /// Gets timestamp when this record was added.
-    /// </summary>
-    public DateTime StatusChangedWhen { get; } = DateTime.Now;
-
-    /// <summary>
-    /// Maps the current command to a new instance of the specified type.
-    /// </summary>
-    /// <typeparam name="TDest"></typeparam>
-    /// <returns></returns>
-    public TDest To<TDest>() where TDest : ModifyDocStatusCommandBase, new()
-        => new()
-        {
-            Key = Key,
-            Envelope = Envelope,
-            Receiver = Receiver,
-            Value = Value
-        };
-}

EnvelopeGenerator.Application/DocStatus/Commands/SaveDocStatusCommand.cs

@@ -1,77 +0,0 @@
-using DigitalData.Core.Abstraction.Application.Repository;
-using EnvelopeGenerator.Domain.Entities;
-using MediatR;
-using Microsoft.EntityFrameworkCore;
-using AutoMapper;
-using EnvelopeGenerator.Application.Common.Dto;
-using EnvelopeGenerator.Application.Common.Extensions;
-
-namespace EnvelopeGenerator.Application.DocStatus.Commands;
-
-/// <summary>
-/// Represents a command to save the status of a document, either by creating a new status or updating an existing one based on the provided envelope and receiver identifiers.
-/// It returns the identifier of the saved document status.
-/// </summary>
-public record SaveDocStatusCommand : ModifyDocStatusCommandBase, IRequest<DocumentStatusDto?>;
-
-/// <summary>
-/// 
-/// </summary>
-public class SaveDocStatusCommandHandler : IRequestHandler<SaveDocStatusCommand, DocumentStatusDto?>
-{
-    private readonly IMapper _mapper;
-
-    private readonly IRepository<DocumentStatus> _repo;
-
-    private readonly IRepository<Envelope> _envRepo;
-
-    private readonly IRepository<Receiver> _rcvRepo;
-
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="mapper"></param>
-    /// <param name="repo"></param>
-    /// <param name="rcvRepo"></param>
-    /// <param name="envRepo"></param>
-    public SaveDocStatusCommandHandler(IMapper mapper, IRepository<DocumentStatus> repo, IRepository<Receiver> rcvRepo, IRepository<Envelope> envRepo)
-    {
-        _mapper = mapper;
-        _repo = repo;
-        _rcvRepo = rcvRepo;
-        _envRepo = envRepo;
-    }
-
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="request"></param>
-    /// <param name="cancel"></param>
-    /// <returns></returns>
-    public async Task<DocumentStatusDto?> Handle(SaveDocStatusCommand request, CancellationToken cancel)
-    {
-        // ceck if exists
-        bool isExists = await _repo.ReadOnly().Where(request).AnyAsync(cancel);
-
-        var env = await _envRepo.ReadOnly().Where(request.Envelope).FirstAsync(cancel);
-        var rcv = await _rcvRepo.ReadOnly().Where(request.Receiver).FirstAsync(cancel);
-
-        request.Envelope.Id = env.Id;
-        request.Receiver.Id = rcv.Id;
-
-        if (isExists)
-        {
-            var uReq = request.To<UpdateDocStatusCommand>();
-            await _repo.UpdateAsync(uReq, q => q.Where(request), cancel);
-        }
-        else
-        {
-            var cReq = request.To<CreateDocStatusCommand>();
-            await _repo.CreateAsync(cReq, cancel);
-        }
-
-        var docStatus = await _repo.ReadOnly().Where(request).SingleOrDefaultAsync(cancel);
-        
-        return _mapper.Map<DocumentStatusDto>(docStatus);
-    }
-}

EnvelopeGenerator.Application/DocStatus/Commands/UpdateDocStatusCommand.cs

@@ -1,14 +1,41 @@
-using EnvelopeGenerator.Domain;
+using EnvelopeGenerator.Application.Common.Commands;
+using EnvelopeGenerator.Domain.Entities;
+using System.Linq.Expressions;
 
 namespace EnvelopeGenerator.Application.DocStatus.Commands;
 
 /// <summary>
 /// 
 /// </summary>
-public record UpdateDocStatusCommand : ModifyDocStatusCommandBase
+/// <param name="Value"></param>
+public record DocStatusUpdateDto(string? Value);
+
+/// <summary>
+/// 
+/// </summary>
+public record UpdateDocStatusCommand : UpdateCommand<DocStatusUpdateDto, DocumentStatus>
 {
     /// <summary>
-    /// Gets timestamp when this record was added. Returns the StatusChangedWhen value.
+    /// 
     /// </summary>
-    public DateTime? ChangedWhen => StatusChangedWhen;
+    public int EnvelopeId { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public int ReceiverId { get; set; }
+
+    /// <summary>
+    /// Gets or sets the display value associated with the status.
+    /// </summary>
+    public string? Value { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <returns></returns>
+    public override Expression<Func<DocumentStatus, bool>> BuildQueryExpression()
+    {
+        return ds => ds.EnvelopeId == EnvelopeId && ds.ReceiverId == ReceiverId;
+    }
 }

EnvelopeGenerator.Application/DocStatus/MappingProfile.cs

@@ -18,11 +18,16 @@ public class MappingProfile : Profile
         CreateMap<CreateDocStatusCommand, DocumentStatus>()
         .ForMember(dest => dest.Envelope, opt => opt.Ignore())
         .ForMember(dest => dest.Receiver, opt => opt.Ignore())
+        .ForMember(dest => dest.Status, opt => opt.MapFrom(
+            src => src.Value == null 
+                ? Domain.Constants.DocumentStatus.Created 
+                : Domain.Constants.DocumentStatus.Signed))
         .MapAddedWhen();
 
         CreateMap<UpdateDocStatusCommand, DocumentStatus>()
         .ForMember(dest => dest.Envelope, opt => opt.Ignore())
         .ForMember(dest => dest.Receiver, opt => opt.Ignore())
+        .ForMember(dest => dest.StatusChangedWhen, opt => opt.MapFrom(src => DateTime.Now))
         .MapChangedWhen();
     }
 }

EnvelopeGenerator.Application/Documents/Queries/ReadDocumentQuery.cs

@@ -53,14 +53,17 @@ public class ReadDocumentQueryHandler : IRequestHandler<ReadDocumentQuery, Docum
     /// </exception>
     public async Task<DocumentDto> Handle(ReadDocumentQuery query, CancellationToken cancel)
     {
+        var docQuery = _repo.Query.Include(doc => doc.Elements).ThenInclude(e => e.Annotations);
+
         if (query.Id is not null)
         {
-            var doc = await _repo.Query.Where(d => d.Id == query.Id).FirstOrDefaultAsync(cancel);
+            var doc = await docQuery.Where(d => d.Id == query.Id).FirstOrDefaultAsync(cancel);
+            
             return _mapper.Map<DocumentDto>(doc);
         }            
         else if (query.EnvelopeId is not null)
         {
-            var doc = await _repo.Query.Where(d => d.EnvelopeId == query.EnvelopeId).FirstOrDefaultAsync(cancel);
+            var doc = await docQuery.Where(d => d.EnvelopeId == query.EnvelopeId).FirstOrDefaultAsync(cancel);
             return _mapper.Map<DocumentDto>(doc);
         }
 

EnvelopeGenerator.Application/EnvelopeGenerator.Application.csproj

@@ -37,7 +37,7 @@
 	</ItemGroup>
 
 	<ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
-		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.5" />
+		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
 	</ItemGroup>
 
 	<ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
@@ -80,7 +80,7 @@
 
 	<ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
 	  <PackageReference Include="AutoMapper" Version="13.0.1" />
-	  <PackageReference Include="Microsoft.Data.SqlClient" Version="6.1.4" />
+	  <PackageReference Include="Microsoft.Data.SqlClient" Version="5.2.2" />
 	  <PackageReference Include="CommandDotNet">
 		<Version>7.0.5</Version>
 	  </PackageReference>
@@ -88,7 +88,6 @@
 
 	<ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
 	  <PackageReference Include="AutoMapper" Version="14.0.0" />
-	  <PackageReference Include="Microsoft.Data.SqlClient" Version="6.0.2" />
 	  <PackageReference Include="CommandDotNet">
 	    <Version>8.1.1</Version>
 	  </PackageReference>
@@ -96,7 +95,6 @@
 
 	<ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
 	  <PackageReference Include="AutoMapper" Version="14.0.0" />
-	  <PackageReference Include="Microsoft.Data.SqlClient" Version="6.0.2" />
 	  <PackageReference Include="CommandDotNet">
 	    <Version>8.1.1</Version>
 	  </PackageReference>

EnvelopeGenerator.Application/EnvelopeReceivers/Commands/CreateEnvelopeReceiverCommand.cs

@@ -29,7 +29,7 @@ public record CreateEnvelopeReceiverCommand : CreateEnvelopeCommand, IRequest<Cr
 /// <param name="X">X-Position</param>
 /// <param name="Y">Y-Position</param>
 /// <param name="Page">Seite, auf der sie sich befindet</param>
-public record Signature([Required] double X, [Required] double Y, [Required] int Page);
+public record DocReceiverElementCreateDto([Required] double X, [Required] double Y, [Required] int Page);
 
 /// <summary>
 /// DTO für Empfänger, die erstellt oder abgerufen werden sollen.
@@ -41,7 +41,7 @@ public class ReceiverGetOrCreateCommand
     /// Unterschriften auf Dokumenten.
     /// </summary>
     [Required]
-    public List<Signature> Signatures { get; init; } = new();
+    public List<DocReceiverElementCreateDto> DocReceiverElements { get; init; } = new();
 
     /// <summary>
     /// Der Name, mit dem der Empfänger angesprochen werden soll.

EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverSecretQuery.cs

@@ -0,0 +1,127 @@
+using AutoMapper;
+using DigitalData.Core.Abstraction.Application.Repository;
+using EnvelopeGenerator.Application.Envelopes.Queries;
+using EnvelopeGenerator.Application.Receivers.Queries;
+using MediatR;
+using EnvelopeGenerator.Domain.Entities;
+using Microsoft.EntityFrameworkCore;
+using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiver;
+using EnvelopeGenerator.Application.Common.Query;
+using EnvelopeGenerator.Application.Common.Extensions;
+
+namespace EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
+
+/// <summary>
+/// Represents a query for reading an envelope receiver including sensitive fields
+/// (access code, phone number) that are excluded from the standard <see cref="ReadEnvelopeReceiverQuery"/>.
+/// </summary>
+/// <remarks>
+/// Returns a single <see cref="EnvelopeReceiverSecretDto"/> matched by UUID and receiver signature.
+/// Equivalent to the legacy <c>ReadWithSecretByUuidSignatureAsync</c> service method.
+/// </remarks>
+public record ReadEnvelopeReceiverSecretQuery
+    : EnvelopeReceiverQueryBase<ReadEnvelopeQuery, ReadReceiverQuery>,
+      IRequest<EnvelopeReceiverSecretDto?>;
+
+/// <summary>
+/// Extension methods for dispatching <see cref="ReadEnvelopeReceiverSecretQuery"/> via <see cref="IMediator"/>.
+/// </summary>
+public static class ReadEnvelopeReceiverSecretQueryExtensions
+{
+    /// <summary>
+    /// Sends a <see cref="ReadEnvelopeReceiverSecretQuery"/> using the composite key (uuid::signature).
+    /// </summary>
+    /// <param name="mediator">The mediator instance.</param>
+    /// <param name="key">Composite key in the format <c>uuid::signature</c>.</param>
+    /// <param name="cancel">Cancellation token.</param>
+    /// <returns>The matching <see cref="EnvelopeReceiverSecretDto"/>, or <c>null</c> if not found.</returns>
+    public static Task<EnvelopeReceiverSecretDto?> ReadEnvelopeReceiverSecretAsync(
+        this IMediator mediator,
+        string key,
+        CancellationToken cancel = default)
+        => mediator.Send(new ReadEnvelopeReceiverSecretQuery { Key = key }, cancel);
+
+    /// <summary>
+    /// Sends a <see cref="ReadEnvelopeReceiverSecretQuery"/> using UUID and receiver signature.
+    /// </summary>
+    /// <param name="mediator">The mediator instance.</param>
+    /// <param name="uuid">Envelope UUID.</param>
+    /// <param name="signature">Receiver signature.</param>
+    /// <param name="cancel">Cancellation token.</param>
+    /// <returns>The matching <see cref="EnvelopeReceiverSecretDto"/>, or <c>null</c> if not found.</returns>
+    public static Task<EnvelopeReceiverSecretDto?> ReadEnvelopeReceiverSecretAsync(
+        this IMediator mediator,
+        string uuid,
+        string signature,
+        CancellationToken cancel = default)
+    {
+        var q = new ReadEnvelopeReceiverSecretQuery();
+        q.Envelope.Uuid = uuid;
+        q.Receiver.Signature = signature;
+        return mediator.Send(q, cancel);
+    }
+
+    /// <summary>
+    /// Handles <see cref="ReadEnvelopeReceiverSecretQuery"/> and returns a
+    /// <see cref="EnvelopeReceiverSecretDto"/> containing sensitive fields.
+    /// </summary>
+    public class ReadEnvelopeReceiverSecretQueryHandler
+        : IRequestHandler<ReadEnvelopeReceiverSecretQuery, EnvelopeReceiverSecretDto?>
+    {
+        private readonly IRepository<EnvelopeReceiver> _repo;
+        private readonly IRepository<Receiver> _rcvRepo;
+        private readonly IMapper _mapper;
+
+        /// <summary>
+        /// Initializes a new instance of <see cref="ReadEnvelopeReceiverSecretQueryHandler"/>.
+        /// </summary>
+        /// <param name="envelopeReceiver">Repository for <see cref="EnvelopeReceiver"/>.</param>
+        /// <param name="rcvRepo">Repository for <see cref="Receiver"/>.</param>
+        /// <param name="mapper">AutoMapper instance.</param>
+        public ReadEnvelopeReceiverSecretQueryHandler(
+            IRepository<EnvelopeReceiver> envelopeReceiver,
+            IRepository<Receiver> rcvRepo,
+            IMapper mapper)
+        {
+            _repo = envelopeReceiver;
+            _rcvRepo = rcvRepo;
+            _mapper = mapper;
+        }
+
+        /// <summary>
+        /// Handles the query and returns the matching <see cref="EnvelopeReceiverSecretDto"/>.
+        /// </summary>
+        /// <param name="request">The query containing filter criteria.</param>
+        /// <param name="cancel">Cancellation token.</param>
+        /// <returns>
+        /// The matched <see cref="EnvelopeReceiverSecretDto"/>, or <c>null</c> if no record is found.
+        /// </returns>
+        public async Task<EnvelopeReceiverSecretDto?> Handle(
+            ReadEnvelopeReceiverSecretQuery request,
+            CancellationToken cancel)
+        {
+            var q = _repo.Query.Where(request, notnull: false);
+
+            var envRcvs = await q
+                .Include(er => er.Envelope).ThenInclude(e => e!.Documents!).ThenInclude(d => d.Elements)
+                .Include(er => er.Envelope).ThenInclude(e => e!.Histories)
+                .Include(er => er.Envelope).ThenInclude(e => e!.User)
+                .Include(er => er.Receiver)
+                .ToListAsync(cancel);
+
+            if (request.Receiver.HasAnyCriteria && envRcvs.Count != 0)
+            {
+                var receiver = await _rcvRepo.Query.Where(request.Receiver).FirstAsync(cancel);
+
+                foreach (var item in envRcvs)
+                    item.Envelope?.Documents?.FirstOrDefault()?.Elements?.RemoveAll(s => s.ReceiverId != receiver.Id);
+            }
+
+            var envRcv = envRcvs.FirstOrDefault();
+            if (envRcv is null)
+                return null;
+
+            return _mapper.Map<EnvelopeReceiverSecretDto>(envRcv);
+        }
+    }
+}

EnvelopeGenerator.Application/Envelopes/Commands/CreateEnvelopeCommand.cs

@@ -40,10 +40,10 @@ public record CreateEnvelopeCommand : IRequest<EnvelopeDto?>
     /// </summary>
     /// <param name="userId"></param>
     /// <returns></returns>
-    public bool Authorize(int userId)
+    public CreateEnvelopeCommand WithAuth(int userId)
     {
         UserId = userId;
-        return true;
+        return this;
     }
 
     /// <summary>

EnvelopeGenerator.Application/Envelopes/Queries/ReadEnvelopeQuery.cs

@@ -22,7 +22,7 @@ public record ReadEnvelopeQuery : EnvelopeQueryBase, IRequest<IEnumerable<Envelo
     /// <summary>
     /// Optionaler Benutzerfilter; wenn gesetzt, werden nur Umschläge des Benutzers geladen.
     /// </summary>
-    public int? UserId { get; init; }
+    internal int? UserId { get; init; }
 
     /// <summary>
     /// Setzt den Benutzerkontext für die Abfrage.
@@ -133,7 +133,7 @@ public class ReadEnvelopeQueryHandler : IRequestHandler<ReadEnvelopeQuery, IEnum
         }
 
         var envelopes = await query
-            .Include(e => e.Documents)
+            .Include(e => e.EnvelopeReceivers).ThenInclude(er => er.Receiver)
             .ToListAsync(cancel);
 
         return _mapper.Map<IEnumerable<EnvelopeDto>>(envelopes);

EnvelopeGenerator.Application/Histories/MappingProfile.cs

@@ -1,4 +1,5 @@
 using AutoMapper;
+using EnvelopeGenerator.Application.Common.Extensions;
 using EnvelopeGenerator.Application.Histories.Commands;
 using EnvelopeGenerator.Domain.Entities;
 
@@ -17,6 +18,7 @@ public class MappingProfile: Profile
         CreateMap<CreateHistoryCommand, History>()
             .ForMember(dest => dest.Envelope, opt => opt.Ignore())
             .ForMember(dest => dest.Sender, opt => opt.Ignore())
-            .ForMember(dest => dest.Receiver, opt => opt.Ignore());
+            .ForMember(dest => dest.Receiver, opt => opt.Ignore())
+            .MapAddedWhen();
     }
 }

EnvelopeGenerator.Application/Resources/Resource.cs

@@ -190,6 +190,13 @@ public static class Extensions
     /// <returns></returns>
     public static string SignDoc(this IStringLocalizer localizer) => localizer[nameof(SignDoc)].Value;
 
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="localizer"></param>
+    /// <returns></returns>
+    public static string ConfirmDoc(this IStringLocalizer localizer) => localizer[nameof(ConfirmDoc)].Value;
+
     /// <summary>
     /// 
     /// </summary>
@@ -204,6 +211,13 @@ public static class Extensions
     /// <returns></returns>
     public static string DocSigned(this IStringLocalizer localizer) => localizer[nameof(DocSigned)].Value;
 
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="localizer"></param>
+    /// <returns></returns>
+    public static string DocConfirmed(this IStringLocalizer localizer) => localizer[nameof(DocConfirmed)].Value;
+
     /// <summary>
     /// 
     /// </summary>
@@ -239,6 +253,13 @@ public static class Extensions
     /// <returns></returns>
     public static string SigAgree(this IStringLocalizer localizer) => localizer[nameof(SigAgree)].Value;
 
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="localizer"></param>
+    /// <returns></returns>
+    public static string ConfirmAgree(this IStringLocalizer localizer) => localizer[nameof(ConfirmAgree)].Value;
+
     /// <summary>
     /// 
     /// </summary>
@@ -267,6 +288,13 @@ public static class Extensions
     /// <returns></returns>
     public static string RejectionInfo1(this IStringLocalizer localizer) => localizer[nameof(RejectionInfo1)].Value;
 
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="localizer"></param>
+    /// <returns></returns>
+    public static string RejectionInfo1ForConfirmation(this IStringLocalizer localizer) => localizer[nameof(RejectionInfo1ForConfirmation)].Value;
+
     /// <summary>
     /// 
     /// </summary>
@@ -295,6 +323,13 @@ public static class Extensions
     /// <returns></returns>
     public static string SigningProcessTitle(this IStringLocalizer localizer) => localizer[nameof(SigningProcessTitle)].Value;
 
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="localizer"></param>
+    /// <returns></returns>
+    public static string ConfirmationProcessTitle(this IStringLocalizer localizer) => localizer[nameof(ConfirmationProcessTitle)].Value;
+
     /// <summary>
     /// 
     /// </summary>

EnvelopeGenerator.Application/Resources/Resource.de-DE.resx

@@ -250,7 +250,7 @@
     <value>Sie können bei Bedarf mit {0}, &lt;a href="mailto:{1}?subject={2}&amp;body=Sehr geehrte(r)%20{0},%0A%0A%0A"&gt;{1}&lt;/a&gt; Kontakt aufnehmen.</value>
   </data>
   <data name="RejectionInfo2_ext" xml:space="preserve">
-    <value>Das Vorgang wurde von einer der beteiligten Parteien abgelehnt. Sie können bei Bedarf mit {0}, &lt;a href="mailto:{1}?subject={2}&amp;body=Sehr geehrte(r)%20{0},%0A%0A%0A"&gt;{1}&lt;/a&gt; Kontakt aufnehmen.</value>
+    <value>Der Vorgang wurde von einer der beteiligten Parteien abgelehnt. Sie können bei Bedarf mit {0}, &lt;a href="mailto:{1}?subject={2}&amp;body=Sehr geehrte(r)%20{0},%0A%0A%0A"&gt;{1}&lt;/a&gt; Kontakt aufnehmen.</value>
   </data>
   <data name="RejectionReasonQ" xml:space="preserve">
     <value>Bitte geben Sie einen Grund an:</value>
@@ -447,4 +447,34 @@
   <data name="DocumentReset" xml:space="preserve">
     <value>Dokument wurde zurückgesetzt.</value>
   </data>
+  <data name="DocumentSuccessfullyConfirmed" xml:space="preserve">
+    <value>Dokument erfolgreich gelesen und bestätigt!</value>
+  </data>
+  <data name="DocumentConfirmedConfirmationMessage" xml:space="preserve">
+    <value>Sie haben das Dokument gelesen und bestätigt. Im Anschluss erhalten Sie eine schriftliche Bestätigung.</value>
+  </data>
+  <data name="Confirm" xml:space="preserve">
+    <value>Bestätigen</value>
+  </data>
+  <data name="RejectionInfo1Confirmation" xml:space="preserve">
+    <value>Dieser Bestätigungsvorgang wurde abgelehnt!</value>
+  </data>
+  <data name="ConfirmDoc" xml:space="preserve">
+    <value>Dokument bestätigen</value>
+  </data>
+  <data name="DocConfirmed" xml:space="preserve">
+    <value>Dokument bestätigt</value>
+  </data>
+  <data name="ConfirmAgree" xml:space="preserve">
+    <value>Durch Klick auf Abschließen bestätige ich, das Dokument gelesen und zur Kenntnis genommen zu haben.</value>
+  </data>
+  <data name="ConfirmedBy" xml:space="preserve">
+    <value>Bestätigt von</value>
+  </data>
+  <data name="ConfirmationProcessTitle" xml:space="preserve">
+    <value>Titel des Lesebetätigungs-Vorgangs</value>
+  </data>
+  <data name="Confirmations" xml:space="preserve">
+    <value>Bestätigungen</value>
+  </data>
 </root>

EnvelopeGenerator.Application/Resources/Resource.en-US.resx

@@ -447,4 +447,34 @@
   <data name="DocumentReset" xml:space="preserve">
     <value>Document has been reset.</value>
   </data>
+  <data name="DocumentSuccessfullyConfirmed" xml:space="preserve">
+    <value>Document successfully read and confirmed!</value>
+  </data>
+  <data name="DocumentConfirmedConfirmationMessage" xml:space="preserve">
+    <value>You have read and confirmed the document. You will receive a written confirmation afterwards.</value>
+  </data>
+  <data name="Confirm" xml:space="preserve">
+    <value>Confirm</value>
+  </data>
+  <data name="RejectionInfo1Confirmation" xml:space="preserve">
+    <value>This confirmation process has been rejected!</value>
+  </data>
+  <data name="ConfirmDoc" xml:space="preserve">
+    <value>Confirm Document</value>
+  </data>
+  <data name="DocConfirmed" xml:space="preserve">
+    <value>Document confirmed</value>
+  </data>
+  <data name="ConfirmAgree" xml:space="preserve">
+    <value>By clicking on “Complete”, I confirm that I have read and taken note of the document.</value>
+  </data>
+  <data name="ConfirmedBy" xml:space="preserve">
+    <value>Confirmed by</value>
+  </data>
+  <data name="ConfirmationProcessTitle" xml:space="preserve">
+    <value>Title of the read confirmation process</value>
+  </data>
+  <data name="Confirmations" xml:space="preserve">
+    <value>Confirmations</value>
+  </data>
 </root>

EnvelopeGenerator.Application/Resources/Resource.fr-FR.resx

@@ -447,4 +447,34 @@
   <data name="DocumentReset" xml:space="preserve">
     <value>Le document a été réinitialisé.</value>
   </data>
+  <data name="DocumentSuccessfullyConfirmed" xml:space="preserve">
+    <value>Document lu et confirmé avec succès !</value>
+  </data>
+  <data name="DocumentConfirmedConfirmationMessage" xml:space="preserve">
+    <value>Vous avez lu et confirmé le document. Vous recevrez une confirmation écrite par la suite.</value>
+  </data>
+  <data name="Confirm" xml:space="preserve">
+    <value>Confirmer</value>
+  </data>
+  <data name="RejectionInfo1Confirmation" xml:space="preserve">
+    <value>Cette procédure de confirmation a été rejetée !</value>
+  </data>
+  <data name="ConfirmDoc" xml:space="preserve">
+    <value>Confirmer le document</value>
+  </data>
+  <data name="DocConfirmed" xml:space="preserve">
+    <value>Document confirmé</value>
+  </data>
+  <data name="ConfirmAgree" xml:space="preserve">
+    <value>En cliquant sur « Terminer », je confirme avoir lu et pris connaissance du document.</value>
+  </data>
+  <data name="ConfirmedBy" xml:space="preserve">
+    <value>Confirmé par</value>
+  </data>
+  <data name="ConfirmationProcessTitle" xml:space="preserve">
+    <value>Titre de la procédure de confirmation de lecture</value>
+  </data>
+  <data name="Confirmations" xml:space="preserve">
+    <value>Confirmations</value>
+  </data>
 </root>

EnvelopeGenerator.Application/Services/DocumentReceiverElementService.cs

@@ -1,9 +1,9 @@
 using AutoMapper;
 using DigitalData.Core.Application;
-using EnvelopeGenerator.Domain.Entities;
 using EnvelopeGenerator.Application.Common.Dto;
 using EnvelopeGenerator.Application.Common.Interfaces.Repositories;
 using EnvelopeGenerator.Application.Common.Interfaces.Services;
+using EnvelopeGenerator.Domain.Entities;
 
 namespace EnvelopeGenerator.Application.Services;
 
@@ -11,7 +11,7 @@ namespace EnvelopeGenerator.Application.Services;
 /// 
 /// </summary>
 [Obsolete("Use MediatR")]
-public class DocumentReceiverElementService : BasicCRUDService<IDocumentReceiverElementRepository, SignatureDto, Signature, int>, IDocumentReceiverElementService
+public class DocumentReceiverElementService : BasicCRUDService<IDocumentReceiverElementRepository, DocReceiverElementDto, DocReceiverElement, int>, IDocumentReceiverElementService
 {
     /// <summary>
     /// 

EnvelopeGenerator.Application/Services/EnvelopeMailService.cs

@@ -12,6 +12,7 @@ using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiverReadOnly;
 using EnvelopeGenerator.Application.Common.Extensions;
 using EnvelopeGenerator.Application.Common.Interfaces.Services;
 using MediatR;
+using EnvelopeGenerator.Domain.Interfaces;
 
 namespace EnvelopeGenerator.Application.Services;
 
@@ -49,14 +50,33 @@ public class EnvelopeMailService : EmailOutService, IEnvelopeMailService
 		_sender = sender;
     }
 
-	private async Task<Dictionary<string, string>> CreatePlaceholders(string? accessCode = null, EnvelopeReceiverDto? envelopeReceiverDto = null)
+	private async Task<Dictionary<string, string>> CreatePlaceholders(string? accessCode = null, EnvelopeReceiverDto? er = null)
 	{
+		if (er!.Envelope.IsReadAndConfirm())
+		{
+			_placeholders["[SIGNATURE_TYPE]"] = "Lesen und bestätigen";
+			_placeholders["[DOCUMENT_PROCESS]"] = string.Empty;
+            _placeholders["[FINAL_STATUS]"] = "Lesebestätigung";
+            _placeholders["[FINAL_ACTION]"] = "Empfänger bestätigt";
+            _placeholders["[REJECTED_BY_OTHERS]"] = "anderen Empfänger abgelehnt!";
+            _placeholders["[RECEIVER_ACTION]"] = "bestätigt";
+        }
+		else
+        {
+            _placeholders["[SIGNATURE_TYPE]"] = "Signieren";
+            _placeholders["[DOCUMENT_PROCESS]"] = " und elektronisch unterschreiben";
+            _placeholders["[FINAL_STATUS]"] = "Signatur";
+            _placeholders["[FINAL_ACTION]"] = "Vertragspartner unterzeichnet";
+            _placeholders["[REJECTED_BY_OTHERS]"] = "anderen Vertragspartner abgelehnt! Ihre notwendige Unterzeichnung wurde verworfen.";
+            _placeholders["[RECEIVER_ACTION]"] = "unterschrieben";
+        }
+
 		if (accessCode is not null)
 			_placeholders["[DOCUMENT_ACCESS_CODE]"] = accessCode;
 
-		if (envelopeReceiverDto?.Envelope is not null && envelopeReceiverDto.Receiver is not null)
+		if (er?.Envelope is not null && er.Receiver is not null)
 		{
-			var erId = (envelopeReceiverDto.Envelope.Uuid, envelopeReceiverDto.Receiver.Signature).ToEnvelopeKey();
+			var erId = (er.Envelope.Uuid, er.Receiver.Signature).ToEnvelopeKey();
 			var sigHost = await _configService.ReadDefaultSignatureHost();
 			var linkToDoc = $"{sigHost}/EnvelopeKey/{erId}";
 			_placeholders["[LINK_TO_DOCUMENT]"] = linkToDoc;
@@ -66,7 +86,8 @@ public class EnvelopeMailService : EmailOutService, IEnvelopeMailService
 		return _placeholders;
 	}
 
-	private async Task<Dictionary<string, string>> CreatePlaceholders(EnvelopeReceiverReadOnlyDto? readOnlyDto = null)
+    // TODO: merge the two CreatePlaceholders methods by using a common parameter object containing all the required information to create the place holders.
+    private async Task<Dictionary<string, string>> CreatePlaceholders(EnvelopeReceiverReadOnlyDto? readOnlyDto = null)
 	{
 		if (readOnlyDto?.Envelope is not null && readOnlyDto.Receiver is not null)
 		{
@@ -124,7 +145,7 @@ public class EnvelopeMailService : EmailOutService, IEnvelopeMailService
 			return acResult.ToFail<int>().Notice(LogLevel.Error, "Therefore, access code cannot be sent");
 		var accessCode = acResult.Data;
 
-		var placeholders = await CreatePlaceholders(accessCode: accessCode, envelopeReceiverDto: dto);
+		var placeholders = await CreatePlaceholders(accessCode: accessCode, er: dto);
 
 		// Add optional place holders.
 		if (optionalPlaceholders is not null)

EnvelopeGenerator.BBTests/EnvelopeGenerator.BBTests.vbproj

@@ -487,10 +487,6 @@
       <Project>{6EA0C51F-C2B1-4462-8198-3DE0B32B74F8}</Project>
       <Name>EnvelopeGenerator.CommonServices</Name>
     </ProjectReference>
-    <ProjectReference Include="..\EnvelopeGenerator.CommonServices\EnvelopeGenerator.CommonServices.vbproj">
-      <Project>{6ea0c51f-c2b1-4462-8198-3de0b32b74f8}</Project>
-      <Name>EnvelopeGenerator.CommonServices</Name>
-    </ProjectReference>
     <ProjectReference Include="..\EnvelopeGenerator.Domain\EnvelopeGenerator.Domain.csproj">
       <Project>{4f32a98d-e6f0-4a09-bd97-1cf26107e837}</Project>
       <Name>EnvelopeGenerator.Domain</Name>

EnvelopeGenerator.BBTests/frmFinalizePDF.Designer.vb

@@ -27,6 +27,7 @@ Partial Class frmFinalizePDF
         Me.Label2 = New System.Windows.Forms.Label()
         Me.Button1 = New System.Windows.Forms.Button()
         Me.Button2 = New System.Windows.Forms.Button()
+        Me.Button3 = New System.Windows.Forms.Button()
         Me.txtResult = New System.Windows.Forms.TextBox()
         Me.txtEnvelope = New System.Windows.Forms.TextBox()
         Me.SuspendLayout()
@@ -75,6 +76,15 @@ Partial Class frmFinalizePDF
         Me.Button2.Text = "Merge Json"
         Me.Button2.UseVisualStyleBackColor = True
         '
+        'Button3
+        '
+        Me.Button3.Location = New System.Drawing.Point(15, 160)
+        Me.Button3.Name = "Button3"
+        Me.Button3.Size = New System.Drawing.Size(166, 23)
+        Me.Button3.TabIndex = 5
+        Me.Button3.Text = "Full Finalize Test"
+        Me.Button3.UseVisualStyleBackColor = True
+        '
         'txtResult
         '
         Me.txtResult.Location = New System.Drawing.Point(333, 12)
@@ -97,6 +107,7 @@ Partial Class frmFinalizePDF
         Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
         Me.ClientSize = New System.Drawing.Size(800, 450)
         Me.Controls.Add(Me.txtResult)
+        Me.Controls.Add(Me.Button3)
         Me.Controls.Add(Me.Button2)
         Me.Controls.Add(Me.Button1)
         Me.Controls.Add(Me.Label2)
@@ -116,5 +127,6 @@ Partial Class frmFinalizePDF
     Friend WithEvents Label2 As Label
     Friend WithEvents Button1 As Button
     Friend WithEvents Button2 As Button
+    Friend WithEvents Button3 As Button
     Friend WithEvents txtResult As TextBox
 End Class

EnvelopeGenerator.BBTests/frmFinalizePDF.vb

@@ -7,11 +7,12 @@ Imports GdPicture14
 Imports Newtonsoft.Json.Linq
 Imports EnvelopeGenerator.Infrastructure
 Imports Microsoft.EntityFrameworkCore
-Imports System.Text
 Imports DigitalData.Core.Abstractions
+Imports DigitalData.Core.Abstraction.Application.Repository
+Imports EnvelopeGenerator.Domain.Entities
 
 Public Class frmFinalizePDF
-    Private Const CONNECTIONSTRING = "Server=sDD-VMP04-SQL17\DD_DEVELOP01;Database=DD_ECM;User Id=sa;Password=+bk8oAbbQP1AzoHtvZUbd+Mbok2f8Fl4miEx1qssJ5yEaEWoQJ9prg4L14fURpPnqi1WMNs9fE4=;"
+    Private Const CONNECTIONSTRING = "Server=sDD-VMP04-SQL17\DD_DEVELOP01;Database=DD_ECM;User Id=sa;Password=+bk8oAbbQP1AzoHtvZUbd+Mbok2f8Fl4miEx1qssJ5yEaEWoQJ9prg4L14fURpPnqi1WMNs9fE4=;" + "Encrypt=True;TrustServerCertificate=True;"
 
     Private Database As MSSQLServer
     Private LogConfig As LogConfig
@@ -93,56 +94,118 @@ Public Class frmFinalizePDF
     End Function
 
     Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
-        Try
+        Dim oTable = LoadAnnotationDataForEnvelope()
+        Dim oJsonList = oTable.Rows.
+            Cast(Of DataRow).
+            Select(Function(r As DataRow) r.Item("VALUE").ToString()).
+            ToList()
 
-            Dim oTable = LoadAnnotationDataForEnvelope()
+        Dim envelopeId As Integer = CInt(txtEnvelope.Text)
-            Dim oJsonList = oTable.Rows.
+        Dim oBuffer As Byte() = ReadEnvelope(envelopeId)
-                Cast(Of DataRow).
+        Dim oNewBuffer = PDFBurner.BurnAnnotsToPDF(oBuffer, oJsonList, envelopeId)
-                Select(Function(r As DataRow) r.Item("VALUE").ToString()).
+        Dim desktopPath As String = Environment.GetFolderPath(Environment.SpecialFolder.Desktop)
-                ToList()
+        Dim oNewPath = Path.Combine(desktopPath, $"E{txtEnvelope.Text}R{txtReceiver.Text}.burned.pdf")
 
-            Dim envelopeId As Integer = CInt(txtEnvelope.Text)
+        File.WriteAllBytes(oNewPath, oNewBuffer)
-            Dim oBuffer As Byte() = ReadEnvelope(envelopeId)
-            Dim oNewBuffer = PDFBurner.BurnAnnotsToPDF(oBuffer, oJsonList, envelopeId)
-            Dim desktopPath As String = Environment.GetFolderPath(Environment.SpecialFolder.Desktop)
-            Dim oNewPath = Path.Combine(desktopPath, $"E{txtEnvelope.Text}R{txtReceiver.Text}.burned.pdf")
-
-            File.WriteAllBytes(oNewPath, oNewBuffer)
-
-            Process.Start(oNewPath)
-        Catch ex As Exception
-            Dim exMsg As StringBuilder = New StringBuilder(ex.Message).AppendLine()
-
-            Dim innerEx = ex.InnerException
-            While (innerEx IsNot Nothing)
-                exMsg.AppendLine(innerEx.Message)
-                innerEx = innerEx.InnerException
-            End While
-
-            MsgBox(exMsg.ToString(), MsgBoxStyle.Critical)
-        End Try
 
+        Process.Start(oNewPath)
     End Sub
 
     Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
+        Dim oTable = LoadAnnotationDataForEnvelope()
+        Dim oJsonList = oTable.Rows.
+            Cast(Of DataRow).
+            Select(Function(r As DataRow) r.Item("VALUE").ToString()).
+            Select(Function(s As String) JObject.Parse(s)).
+            ToList()
+
+        Dim oJObject1 = oJsonList.First()
+        Dim oJObject2 = oJsonList.ElementAt(1)
+
+        oJObject1.Merge(oJObject2)
+
+        txtResult.Text = oJObject1.ToString()
+    End Sub
+
+    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
         Try
+            Dim envelopeId As Integer = CInt(txtEnvelope.Text)
+            Dim log As New System.Text.StringBuilder()
+
+            ' 1. Load annotation JSON data (same as Service)
             Dim oTable = LoadAnnotationDataForEnvelope()
             Dim oJsonList = oTable.Rows.
                 Cast(Of DataRow).
                 Select(Function(r As DataRow) r.Item("VALUE").ToString()).
-                Select(Function(s As String) JObject.Parse(s)).
                 ToList()
+            log.AppendLine($"Annotation JSON count: {oJsonList.Count}")
 
-            Dim oJObject1 = oJsonList.First()
+            ' 2. Load document bytes (same as Service)
-            Dim oJObject2 = oJsonList.ElementAt(1)
+            Dim oBuffer As Byte() = ReadEnvelope(envelopeId)
+            log.AppendLine($"Document bytes: {oBuffer.Length}")
 
-            oJObject1.Merge(oJObject2)
+            ' 3. Check what BurnAnnotsToPDF will do internally
+            Using scope = Factory.Shared.ScopeFactory.CreateScope()
+                Dim envRepo = scope.ServiceProvider.Repository(Of Envelope)()
+                Dim envelope = envRepo.Where(Function(env) env.Id = envelopeId).FirstOrDefault()
 
-            txtResult.Text = oJObject1.ToString()
+                If envelope Is Nothing Then
+                    log.AppendLine("ERROR: Envelope not found in EF Core!")
+                    txtResult.Text = log.ToString()
+                    Return
+                End If
 
+                log.AppendLine($"Envelope found: Id={envelope.Id}, EnvelopeTypeId={envelope.EnvelopeTypeId}")
+                log.AppendLine($"ReadOnly (IsReadAndConfirm): {envelope.ReadOnly}")
+
+                If envelope.ReadOnly Then
+                    log.AppendLine(">>> EARLY RETURN: ReadOnly=True, original PDF returned without burning")
+                    txtResult.Text = log.ToString()
+                    Return
+                End If
+
+                Dim sigRepo = scope.ServiceProvider.Repository(Of DocReceiverElement)()
+                Dim elements = sigRepo _
+                    .Where(Function(sig) sig.Document.EnvelopeId = envelopeId) _
+                    .Include(Function(sig) sig.Annotations) _
+                    .ToList()
+
+                log.AppendLine($"Elements (Signature) count: {elements.Count}")
+
+                If elements.Any() Then
+                    log.AppendLine(">>> PATH: BurnElementAnnotsToPDF (new element-based path)")
+                    For Each elem In elements
+                        Dim annotCount = If(elem.Annotations IsNot Nothing, elem.Annotations.Count(), 0)
+                        log.AppendLine($"  Element Id={elem.Id}, Page={elem.Page}, X={elem.X}, Y={elem.Y}, W={elem.Width}, H={elem.Height}, Annotations={annotCount}")
+                        If elem.Annotations IsNot Nothing Then
+                            For Each annot In elem.Annotations
+                                log.AppendLine($"    Annot: Name={annot.Name}, Type={annot.Type}, X={annot.X}, Y={annot.Y}, W={annot.Width}, H={annot.Height}")
+                            Next
+                        End If
+                    Next
+                Else
+                    log.AppendLine(">>> PATH: BurnInstantJSONAnnotsToPDF (old JSON-based path)")
+                End If
+            End Using
+
+            ' 4. Actually call BurnAnnotsToPDF (same as Service)
+            log.AppendLine("")
+            log.AppendLine("Calling BurnAnnotsToPDF...")
+            Dim oNewBuffer = PDFBurner.BurnAnnotsToPDF(oBuffer, oJsonList, envelopeId)
+            log.AppendLine($"Result bytes: {oNewBuffer.Length}")
+            log.AppendLine($"Same as input: {oBuffer.Length = oNewBuffer.Length AndAlso oBuffer.SequenceEqual(oNewBuffer)}")
+
+            ' 5. Write output
+            Dim desktopPath As String = Environment.GetFolderPath(Environment.SpecialFolder.Desktop)
+            Dim oNewPath = Path.Combine(desktopPath, $"E{txtEnvelope.Text}_FullTest.burned.pdf")
+            File.WriteAllBytes(oNewPath, oNewBuffer)
+            log.AppendLine($"Output: {oNewPath}")
+
+            txtResult.Text = log.ToString()
+            Process.Start(oNewPath)
 
         Catch ex As Exception
-            MsgBox(ex.Message, MsgBoxStyle.Critical)
+            txtResult.Text = $"ERROR: {ex.Message}{vbCrLf}{vbCrLf}{ex.ToString()}"
         End Try
     End Sub
 End Class

EnvelopeGenerator.BBTests/packages.config

@@ -15,13 +15,13 @@
   <package id="DigitalData.Modules.Messaging" version="1.9.8" targetFramework="net462" />
   <package id="DocumentFormat.OpenXml" version="3.2.0" targetFramework="net462" />
   <package id="DocumentFormat.OpenXml.Framework" version="3.2.0" targetFramework="net462" />
-  <package id="EntityFramework" version="6.5.1" targetFramework="net462" />
+  <package id="EntityFramework" version="6.4.4" targetFramework="net462" />
   <package id="EntityFramework.Firebird" version="6.4.0" targetFramework="net462" />
   <package id="FirebirdSql.Data.FirebirdClient" version="7.5.0" targetFramework="net462" />
   <package id="GdPicture" version="14.3.3" targetFramework="net462" />
   <package id="GdPicture.runtimes.windows" version="14.3.3" targetFramework="net462" />
   <package id="Microsoft.AspNet.WebApi.Client" version="6.0.0" targetFramework="net462" />
-  <package id="Microsoft.Bcl.AsyncInterfaces" version="9.0.0" targetFramework="net462" />
+  <package id="Microsoft.Bcl.AsyncInterfaces" version="8.0.0" targetFramework="net462" />
   <package id="Microsoft.Bcl.Cryptography" version="9.0.0" targetFramework="net462" />
   <package id="Microsoft.Bcl.HashCode" version="1.1.1" targetFramework="net462" />
   <package id="Microsoft.CSharp" version="4.7.0" targetFramework="net462" />
@@ -62,10 +62,10 @@
   <package id="protobuf-net.Core" version="3.2.46" targetFramework="net462" />
   <package id="RtfPipe" version="2.0.7677.4303" targetFramework="net462" />
   <package id="S22.Imap" version="3.6.0.0" targetFramework="net462" />
-  <package id="System.Buffers" version="4.6.1" targetFramework="net462" />
+  <package id="System.Buffers" version="4.6.0" targetFramework="net462" />
   <package id="System.ClientModel" version="1.8.0" targetFramework="net462" />
-  <package id="System.CodeDom" version="9.0.0" targetFramework="net462" />
+  <package id="System.CodeDom" version="8.0.0" targetFramework="net462" />
-  <package id="System.Collections.Immutable" version="9.0.0" targetFramework="net462" />
+  <package id="System.Collections.Immutable" version="8.0.0" targetFramework="net462" />
   <package id="System.ComponentModel.Annotations" version="4.7.0" targetFramework="net462" />
   <package id="System.Data.Common" version="4.3.0" targetFramework="net462" />
   <package id="System.Data.Odbc" version="6.0.1" targetFramework="net462" />
@@ -74,23 +74,23 @@
   <package id="System.Formats.Asn1" version="10.0.3" targetFramework="net462" />
   <package id="System.IdentityModel.Tokens.Jwt" version="7.7.1" targetFramework="net462" />
   <package id="System.IO.FileSystem.AccessControl" version="5.0.0" targetFramework="net462" />
-  <package id="System.IO.Packaging" version="9.0.0" targetFramework="net462" />
+  <package id="System.IO.Packaging" version="8.0.1" targetFramework="net462" />
   <package id="System.IO.Pipelines" version="9.0.0" targetFramework="net462" />
-  <package id="System.Management" version="9.0.0" targetFramework="net462" />
+  <package id="System.Management" version="8.0.0" targetFramework="net462" />
-  <package id="System.Memory" version="4.6.3" targetFramework="net462" />
+  <package id="System.Memory" version="4.6.0" targetFramework="net462" />
   <package id="System.Memory.Data" version="8.0.1" targetFramework="net462" />
-  <package id="System.Numerics.Vectors" version="4.6.1" targetFramework="net462" />
+  <package id="System.Numerics.Vectors" version="4.6.0" targetFramework="net462" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="6.1.2" targetFramework="net462" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="6.1.0" targetFramework="net462" />
   <package id="System.Security.AccessControl" version="6.0.1" targetFramework="net462" />
   <package id="System.Security.Cryptography.Algorithms" version="4.3.1" targetFramework="net462" />
   <package id="System.Security.Cryptography.Cng" version="5.0.0" targetFramework="net462" />
-  <package id="System.Security.Cryptography.Pkcs" version="9.0.0" targetFramework="net462" />
+  <package id="System.Security.Cryptography.Pkcs" version="8.0.1" targetFramework="net462" />
   <package id="System.Security.Cryptography.Primitives" version="4.3.0" targetFramework="net462" />
   <package id="System.Security.Cryptography.ProtectedData" version="4.5.0" targetFramework="net462" />
   <package id="System.Security.Principal.Windows" version="5.0.0" targetFramework="net462" />
-  <package id="System.Text.Encodings.Web" version="9.0.0" targetFramework="net462" />
+  <package id="System.Text.Encodings.Web" version="8.0.0" targetFramework="net462" />
-  <package id="System.Text.Json" version="9.0.0" targetFramework="net462" />
+  <package id="System.Text.Json" version="8.0.6" targetFramework="net462" />
   <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="net462" />
-  <package id="System.Threading.Tasks.Extensions" version="4.6.0" targetFramework="net462" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net462" />
-  <package id="System.ValueTuple" version="4.6.1" targetFramework="net462" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net462" />
 </packages>

EnvelopeGenerator.CommonServices/Jobs/FinalizeDocument/FinalizeDocumentJob.vb

@@ -15,6 +15,7 @@ Imports DigitalData.Core.Abstraction.Application
 Imports EnvelopeGenerator.Infrastructure
 Imports Microsoft.EntityFrameworkCore
 Imports DigitalData.Core.Abstractions
+Imports EnvelopeGenerator.Domain.Interfaces
 
 Namespace Jobs
     Public Class FinalizeDocumentJob
@@ -230,6 +231,29 @@ Namespace Jobs
 
             Return Task.FromResult(True)
         End Function
+
+#Region "From BBTests"
+        Private Function ReadEnvelope(pEnvID As Integer) As Byte()
+            Dim strSql As String = "Select [BYTE_DATA] from [TBSIG_ENVELOPE_DOCUMENT] WHERE ENVELOPE_ID = " & pEnvID
+            Dim obyteDB = Database.GetScalarValue(strSql)
+            If Not IsDBNull(obyteDB) Then
+                Dim fileData As Byte() = DirectCast(Database.GetScalarValue(strSql), Byte())
+                If fileData IsNot Nothing Then
+                    Return fileData
+                End If
+            End If
+
+            Throw New InvalidOperationException($"Byte data is null. Envelope ID: {pEnvID}")
+
+        End Function
+
+        Private Function LoadAnnotationDataForEnvelope(pEnvID As Integer) As DataTable
+            Dim oSql = $"SELECT VALUE FROM [TBSIG_DOCUMENT_STATUS] WHERE ENVELOPE_ID = {pEnvID}"
+            Return Database.GetDatatable(oSql)
+
+        End Function
+#End Region
+
         Private Sub Update_File_DB(pFilePath As String, pEnvelopeID As Long)
             Dim SqlCom As SqlCommand
             Dim imageData As Byte()
@@ -327,7 +351,7 @@ Namespace Jobs
                 Logger.Warn($"No SendFinalEmailToCreator - oMailToCreator [{oMailToCreator}] <> [{FinalEmailType.No}] ")
             End If
 
-            If oMailToReceivers <> FinalEmailType.No Then
+            If oMailToReceivers <> FinalEmailType.No And pEnvelope.IsReadAndSign() Then
                 Logger.Debug("Sending emails to receivers..")
                 SendFinalEmailToReceivers(pEnvelope) ', pAttachment
             Else
@@ -418,7 +442,18 @@ Namespace Jobs
                 End Try
             End If
 
-            Return PDFBurner.BurnAnnotsToPDF(oInputDocumentBuffer, oAnnotations, pEnvelopeData.EnvelopeId)
+#Region "From BBTests"
+            Dim oTable = LoadAnnotationDataForEnvelope(pEnvelopeId)
+            Dim oJsonList = oTable.Rows.
+            Cast(Of DataRow).
+            Select(Function(r As DataRow) r.Item("VALUE").ToString()).
+            ToList()
+
+            Dim oBuffer As Byte() = ReadEnvelope(pEnvelopeId)
+
+#End Region
+
+            Return PDFBurner.BurnAnnotsToPDF(oBuffer, oJsonList, pEnvelopeId)
         End Function
 
         Private Function GetEnvelopeData(pEnvelopeId As Integer) As EnvelopeData

EnvelopeGenerator.CommonServices/Jobs/FinalizeDocument/PDFBurner.vb

@@ -46,7 +46,7 @@ Namespace Jobs.FinalizeDocument
                     Return pSourceBuffer
                 End If
 
-                Dim sigRepo = scope.ServiceProvider.Repository(Of Signature)()
+                Dim sigRepo = scope.ServiceProvider.Repository(Of DocReceiverElement)()
                 Dim elements = sigRepo _
                     .Where(Function(sig) sig.Document.EnvelopeId = envelopeId) _
                     .Include(Function(sig) sig.Annotations) _
@@ -58,7 +58,7 @@ Namespace Jobs.FinalizeDocument
             End Using
         End Function
 
-        Public Function BurnElementAnnotsToPDF(pSourceBuffer As Byte(), elements As List(Of Signature)) As Byte()
+        Public Function BurnElementAnnotsToPDF(pSourceBuffer As Byte(), elements As List(Of DocReceiverElement)) As Byte()
             ' Add background
             Using doc As Pdf(Of MemoryStream, MemoryStream) = Pdf.FromMemory(pSourceBuffer)
                 'TODO: take the length from the largest y
@@ -85,16 +85,37 @@ Namespace Jobs.FinalizeDocument
 
                     'Add annotations
                     For Each element In elements
+                        If element Is Nothing Then
+                            Continue For
+                        End If
+
+                        Dim elementAnnotations = If(element.Annotations, Enumerable.Empty(Of ElementAnnotation)())
+                        If Not elementAnnotations.Any() Then
+                            Continue For
+                        End If
 
                         Dim frameX = (element.Left - 0.7 - margin)
 
-                        Dim frame = element.Annotations.FirstOrDefault(Function(a) a.Name = "frame")
+                        Dim frame = elementAnnotations.FirstOrDefault(Function(a) a.Name = "frame")
                         Dim frameY = element.Top - 0.5 - margin
-                        Dim frameYShift = frame.Y - frameY * inchFactor
+                        Dim frameYShift As Double = 0
-                        Dim frameXShift = frame.X - frameX * inchFactor
+                        Dim frameXShift As Double = 0
+
+                        If frame IsNot Nothing Then
+                            frameYShift = frame.Y - frameY * inchFactor
+                            frameXShift = frame.X - frameX * inchFactor
+                        End If
+
+                        For Each annot In elementAnnotations
+                            If annot Is Nothing Then
+                                Continue For
+                            End If
+
+                            Dim yOffsetofFF As Double = 0
+                            If Not String.IsNullOrEmpty(annot.Name) Then
+                                yOffsetsOfFF.TryGetValue(annot.Name, yOffsetofFF)
+                            End If
 
-                        For Each annot In element.Annotations
-                            Dim yOffsetofFF As Double = If(yOffsetsOfFF.TryGetValue(annot.Name, yOffsetofFF), yOffsetofFF, 0)
                             Dim y = frameY + yOffsetofFF
 
                             If annot.Type = AnnotationType.FormField Then

EnvelopeGenerator.CommonServices/Jobs/FinalizeDocument/PDFMerger.vb

@@ -56,7 +56,7 @@ Public Class PDFMerger
 
                             ' Convert to PDF/A
                             oMergedPDF.ConvertToPDFA(oFinalStream, PDFAConformanceLevel, ALLOW_VECTORIZATION, ALLOW_RASTERIZATION)
-                            oStatus = oDocumentPDF.GetStat()
+                            oStatus = oMergedPDF.GetStat()
                             If oStatus <> GdPictureStatus.OK Then
                                 Throw New MergeDocumentException($"Document could not be converted to PDF/A: {oStatus}")
                             End If

EnvelopeGenerator.CommonServices/Models/ElementModel.vb

@@ -10,8 +10,8 @@ Public Class ElementModel
         MyBase.New(pState)
     End Sub
 
-    Private Function ToElement(pRow As DataRow) As Signature
+    Private Function ToElement(pRow As DataRow) As DocReceiverElement
-        Return New Signature() With {
+        Return New DocReceiverElement() With {
             .Id = pRow.ItemEx("GUID", 0),
             .DocumentId = pRow.ItemEx("DOCUMENT_ID", 0),
             .ReceiverId = pRow.ItemEx("RECEIVER_ID", 0),
@@ -24,7 +24,7 @@ Public Class ElementModel
         }
     End Function
 
-    Private Function ToElements(pTable As DataTable) As List(Of Signature)
+    Private Function ToElements(pTable As DataTable) As List(Of DocReceiverElement)
         Return pTable?.Rows.Cast(Of DataRow).
                 Select(AddressOf ToElement).
                 ToList()
@@ -80,7 +80,7 @@ Public Class ElementModel
         End Try
     End Function
 
-    Public Function List(pDocumentId As Integer) As List(Of Signature)
+    Public Function List(pDocumentId As Integer) As List(Of DocReceiverElement)
         Try
             Dim oSql = $"SELECT * FROM [dbo].[TBSIG_DOCUMENT_RECEIVER_ELEMENT] WHERE DOCUMENT_ID = {pDocumentId} ORDER BY PAGE ASC"
             Dim oTable = Database.GetDatatable(oSql)
@@ -93,7 +93,7 @@ Public Class ElementModel
         End Try
     End Function
 
-    Public Function List(pDocumentId As Integer, pReceiverId As Integer) As List(Of Signature)
+    Public Function List(pDocumentId As Integer, pReceiverId As Integer) As List(Of DocReceiverElement)
         Try
             Dim oReceiverConstraint = ""
             If pReceiverId > 0 Then
@@ -111,7 +111,7 @@ Public Class ElementModel
         End Try
     End Function
 
-    Public Function Insert(pElement As Signature) As Boolean
+    Public Function Insert(pElement As DocReceiverElement) As Boolean
         Try
             Dim oSql = "INSERT INTO [dbo].[TBSIG_DOCUMENT_RECEIVER_ELEMENT]
                    ([DOCUMENT_ID]
@@ -161,7 +161,7 @@ Public Class ElementModel
         End Try
     End Function
 
-    Public Function Update(pElement As Signature) As Boolean
+    Public Function Update(pElement As DocReceiverElement) As Boolean
         Try
             Dim oSql = "UPDATE [dbo].[TBSIG_DOCUMENT_RECEIVER_ELEMENT]
                    SET [POSITION_X] = @POSITION_X
@@ -185,7 +185,7 @@ Public Class ElementModel
         End Try
     End Function
 
-    Private Function GetElementId(pElement As Signature) As Integer
+    Private Function GetElementId(pElement As DocReceiverElement) As Integer
         Try
             Return Database.GetScalarValue($"SELECT MAX(GUID) FROM TBSIG_DOCUMENT_RECEIVER_ELEMENT 
                 WHERE DOCUMENT_ID = {pElement.DocumentId} AND RECEIVER_ID = {pElement.ReceiverId}")
@@ -196,7 +196,7 @@ Public Class ElementModel
         End Try
     End Function
 
-    Public Function DeleteElement(pElement As Signature) As Boolean
+    Public Function DeleteElement(pElement As DocReceiverElement) As Boolean
         Try
             Dim oSql = $"DELETE FROM TBSIG_DOCUMENT_RECEIVER_ELEMENT WHERE GUID = {pElement.Id}"
             Return Database.ExecuteNonQuery(oSql)

EnvelopeGenerator.CommonServices/Models/ReceiverModel.vb

@@ -270,12 +270,26 @@ Public Class ReceiverModel
     Private Function GetSignedDate(pEmailAddress As String, pEnvelopeId As Integer) As Date
         Try
             Dim oStatusInt As Integer = EnvelopeStatus.DocumentSigned
-            Return Database.GetScalarValue($"SELECT ACTION_DATE FROM [DD_ECM].[dbo].[TBSIG_ENVELOPE_HISTORY] WHERE ENVELOPE_ID = {pEnvelopeId}
+            Dim value = Database.GetScalarValue($"SELECT ACTION_DATE FROM [DD_ECM].[dbo].[TBSIG_ENVELOPE_HISTORY] WHERE ENVELOPE_ID = {pEnvelopeId}
                                                 And USER_REFERENCE = '{pEmailAddress}' AND [STATUS] = {oStatusInt}")
 
+            If value Is Nothing OrElse value Is DBNull.Value Then
+                Return DateTime.MinValue
+            End If
+
+            If TypeOf value Is DateTime Then
+                Return DirectCast(value, DateTime)
+            End If
+
+            Dim parsedDate As DateTime
+            If DateTime.TryParse(value.ToString(), parsedDate) Then
+                Return parsedDate
+            End If
+
+            Return DateTime.MinValue
         Catch ex As Exception
             Logger.Error(ex)
-            Return Nothing
+            Return DateTime.MinValue
         End Try
     End Function
 

EnvelopeGenerator.CommonServices/Strings/Model.Designer.vb

@@ -1,10 +1,10 @@
 '------------------------------------------------------------------------------
 ' <auto-generated>
-'     Dieser Code wurde von einem Tool generiert.
+'     This code was generated by a tool.
-'     Laufzeitversion:4.0.30319.42000
+'     Runtime Version:4.0.30319.42000
 '
-'     Änderungen an dieser Datei können falsches Verhalten verursachen und gehen verloren, wenn
+'     Changes to this file may cause incorrect behavior and will be lost if
-'     der Code erneut generiert wird.
+'     the code is regenerated.
 ' </auto-generated>
 '------------------------------------------------------------------------------
 
@@ -15,12 +15,12 @@ Imports System
 
 Namespace My.Resources
     
-    'Diese Klasse wurde von der StronglyTypedResourceBuilder automatisch generiert
+    'This class was auto-generated by the StronglyTypedResourceBuilder
-    '-Klasse über ein Tool wie ResGen oder Visual Studio automatisch generiert.
+    'class via a tool like ResGen or Visual Studio.
-    'Um einen Member hinzuzufügen oder zu entfernen, bearbeiten Sie die .ResX-Datei und führen dann ResGen
+    'To add or remove a member, edit your .ResX file then rerun ResGen
-    'mit der /str-Option erneut aus, oder Sie erstellen Ihr VS-Projekt neu.
+    'with the /str option, or rebuild your VS project.
     '''<summary>
-    '''  Eine stark typisierte Ressourcenklasse zum Suchen von lokalisierten Zeichenfolgen usw.
+    '''  A strongly-typed resource class, for looking up localized strings, etc.
     '''</summary>
     <Global.System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0"),  _
      Global.System.Diagnostics.DebuggerNonUserCodeAttribute(),  _
@@ -37,7 +37,7 @@ Namespace My.Resources
         End Sub
         
         '''<summary>
-        '''  Gibt die zwischengespeicherte ResourceManager-Instanz zurück, die von dieser Klasse verwendet wird.
+        '''  Returns the cached ResourceManager instance used by this class.
         '''</summary>
         <Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)>  _
         Public Shared ReadOnly Property ResourceManager() As Global.System.Resources.ResourceManager
@@ -51,8 +51,8 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Überschreibt die CurrentUICulture-Eigenschaft des aktuellen Threads für alle
+        '''  Overrides the current thread's CurrentUICulture property for all
-        '''  Ressourcenzuordnungen, die diese stark typisierte Ressourcenklasse verwenden.
+        '''  resource lookups using this strongly typed resource class.
         '''</summary>
         <Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)>  _
         Public Shared Property Culture() As Global.System.Globalization.CultureInfo
@@ -65,7 +65,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Zugriffscode korrekt eingegeben ähnelt.
+        '''  Looks up a localized string similar to Zugriffscode korrekt eingegeben.
         '''</summary>
         Public Shared ReadOnly Property AccessCodeCorrect() As String
             Get
@@ -74,7 +74,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Zugriffscode falsch eingegeben ähnelt.
+        '''  Looks up a localized string similar to Zugriffscode falsch eingegeben.
         '''</summary>
         Public Shared ReadOnly Property AccessCodeIncorrect() As String
             Get
@@ -83,7 +83,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Zugriffscode angefordert ähnelt.
+        '''  Looks up a localized string similar to Zugriffscode angefordert.
         '''</summary>
         Public Shared ReadOnly Property AccessCodeRequested() As String
             Get
@@ -92,7 +92,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Fortgeschrittene Elektronische Signatur ähnelt.
+        '''  Looks up a localized string similar to Fortgeschrittene Elektronische Signatur.
         '''</summary>
         Public Shared ReadOnly Property AdvancedElectronicSignature() As String
             Get
@@ -101,7 +101,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Abgeschlossen ähnelt.
+        '''  Looks up a localized string similar to Abgeschlossen.
         '''</summary>
         Public Shared ReadOnly Property Completed() As String
             Get
@@ -110,7 +110,16 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Vollständig Signiert ähnelt.
+        '''  Looks up a localized string similar to Vollständig bestätigt.
+        '''</summary>
+        Public Shared ReadOnly Property CompletelyConfirmed() As String
+            Get
+                Return ResourceManager.GetString("CompletelyConfirmed", resourceCulture)
+            End Get
+        End Property
+        
+        '''<summary>
+        '''  Looks up a localized string similar to Vollständig signiert.
         '''</summary>
         Public Shared ReadOnly Property CompletelySigned() As String
             Get
@@ -119,7 +128,25 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Vertrag ähnelt.
+        '''  Looks up a localized string similar to Lesebestätigung.
+        '''</summary>
+        Public Shared ReadOnly Property Confirmation() As String
+            Get
+                Return ResourceManager.GetString("Confirmation", resourceCulture)
+            End Get
+        End Property
+        
+        '''<summary>
+        '''  Looks up a localized string similar to Gelesen und Bestätigt.
+        '''</summary>
+        Public Shared ReadOnly Property Confirmed() As String
+            Get
+                Return ResourceManager.GetString("Confirmed", resourceCulture)
+            End Get
+        End Property
+        
+        '''<summary>
+        '''  Looks up a localized string similar to Vertrag.
         '''</summary>
         Public Shared ReadOnly Property Contract() As String
             Get
@@ -128,7 +155,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Erstellt ähnelt.
+        '''  Looks up a localized string similar to Erstellt.
         '''</summary>
         Public Shared ReadOnly Property Created() As String
             Get
@@ -137,7 +164,16 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Dokument Rotation geändert ähnelt.
+        '''  Looks up a localized string similar to Dokument gelesen und bestätigt.
+        '''</summary>
+        Public Shared ReadOnly Property DocumentConfirmed() As String
+            Get
+                Return ResourceManager.GetString("DocumentConfirmed", resourceCulture)
+            End Get
+        End Property
+        
+        '''<summary>
+        '''  Looks up a localized string similar to Dokument Rotation geändert.
         '''</summary>
         Public Shared ReadOnly Property DocumentMod_Rotation() As String
             Get
@@ -146,7 +182,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Dokument geöffnet ähnelt.
+        '''  Looks up a localized string similar to Dokument geöffnet.
         '''</summary>
         Public Shared ReadOnly Property DocumentOpened() As String
             Get
@@ -155,7 +191,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Unterzeichnung abgelehnt ähnelt.
+        '''  Looks up a localized string similar to Unterzeichnung abgelehnt.
         '''</summary>
         Public Shared ReadOnly Property DocumentRejected() As String
             Get
@@ -164,7 +200,16 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Dokument unterzeichnet ähnelt.
+        '''  Looks up a localized string similar to Lesebestätigung abgelehnt.
+        '''</summary>
+        Public Shared ReadOnly Property DocumentRejectedRaC() As String
+            Get
+                Return ResourceManager.GetString("DocumentRejectedRaC", resourceCulture)
+            End Get
+        End Property
+        
+        '''<summary>
+        '''  Looks up a localized string similar to Dokument unterzeichnet.
         '''</summary>
         Public Shared ReadOnly Property DocumentSigned() As String
             Get
@@ -173,7 +218,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Entwurf ähnelt.
+        '''  Looks up a localized string similar to Entwurf.
         '''</summary>
         Public Shared ReadOnly Property Draft() As String
             Get
@@ -182,7 +227,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Archiviert ähnelt.
+        '''  Looks up a localized string similar to Archiviert.
         '''</summary>
         Public Shared ReadOnly Property EnvelopeArchived() As String
             Get
@@ -191,7 +236,16 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Vollständig signiert ähnelt.
+        '''  Looks up a localized string similar to Vollständig bestätigt.
+        '''</summary>
+        Public Shared ReadOnly Property EnvelopeCompletelyConfirmed() As String
+            Get
+                Return ResourceManager.GetString("EnvelopeCompletelyConfirmed", resourceCulture)
+            End Get
+        End Property
+        
+        '''<summary>
+        '''  Looks up a localized string similar to Vollständig signiert.
         '''</summary>
         Public Shared ReadOnly Property EnvelopeCompletelySigned() As String
             Get
@@ -200,7 +254,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Umschlag Erstellt ähnelt.
+        '''  Looks up a localized string similar to Umschlag Erstellt.
         '''</summary>
         Public Shared ReadOnly Property EnvelopeCreated() As String
             Get
@@ -209,7 +263,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Umschlag Gelöscht ähnelt.
+        '''  Looks up a localized string similar to Umschlag Gelöscht.
         '''</summary>
         Public Shared ReadOnly Property EnvelopeDeleted() As String
             Get
@@ -218,7 +272,16 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Teil-Signiert ähnelt.
+        '''  Looks up a localized string similar to Teil-Bestätigt.
+        '''</summary>
+        Public Shared ReadOnly Property EnvelopePartlyConfirmed() As String
+            Get
+                Return ResourceManager.GetString("EnvelopePartlyConfirmed", resourceCulture)
+            End Get
+        End Property
+        
+        '''<summary>
+        '''  Looks up a localized string similar to Teil-Signiert.
         '''</summary>
         Public Shared ReadOnly Property EnvelopePartlySigned() As String
             Get
@@ -227,7 +290,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Umschlag in Queue ähnelt.
+        '''  Looks up a localized string similar to Umschlag in Queue.
         '''</summary>
         Public Shared ReadOnly Property EnvelopeQueued() As String
             Get
@@ -236,7 +299,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Umschlag abgelehnt ähnelt.
+        '''  Looks up a localized string similar to Umschlag abgelehnt.
         '''</summary>
         Public Shared ReadOnly Property EnvelopeRejected() As String
             Get
@@ -245,7 +308,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Signierungszertifikat erstellt ähnelt.
+        '''  Looks up a localized string similar to Signierungszertifikat erstellt.
         '''</summary>
         Public Shared ReadOnly Property EnvelopeReportCreated() As String
             Get
@@ -254,7 +317,16 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Gespeichert ähnelt.
+        '''  Looks up a localized string similar to Lesebestätigungszertifikat erstellt.
+        '''</summary>
+        Public Shared ReadOnly Property EnvelopeReportCreatedRaC() As String
+            Get
+                Return ResourceManager.GetString("EnvelopeReportCreatedRaC", resourceCulture)
+            End Get
+        End Property
+        
+        '''<summary>
+        '''  Looks up a localized string similar to Gespeichert.
         '''</summary>
         Public Shared ReadOnly Property EnvelopeSaved() As String
             Get
@@ -263,7 +335,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Gesendet ähnelt.
+        '''  Looks up a localized string similar to Gesendet.
         '''</summary>
         Public Shared ReadOnly Property EnvelopeSent() As String
             Get
@@ -272,7 +344,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Umschlag zurückgezogen ähnelt.
+        '''  Looks up a localized string similar to Umschlag zurückgezogen.
         '''</summary>
         Public Shared ReadOnly Property EnvelopeWithdrawn() As String
             Get
@@ -281,7 +353,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Zugriffscode versendet ähnelt.
+        '''  Looks up a localized string similar to Zugriffscode versendet.
         '''</summary>
         Public Shared ReadOnly Property MessageAccessCodeSent() As String
             Get
@@ -290,7 +362,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Abschlussemail versendet ähnelt.
+        '''  Looks up a localized string similar to Abschlussemail versendet.
         '''</summary>
         Public Shared ReadOnly Property MessageCompletionSent() As String
             Get
@@ -299,7 +371,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Signaturbestätigung versendet ähnelt.
+        '''  Looks up a localized string similar to Signaturbestätigung versendet.
         '''</summary>
         Public Shared ReadOnly Property MessageConfirmationSent() As String
             Get
@@ -308,7 +380,16 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Löschinformation versendet ähnelt.
+        '''  Looks up a localized string similar to Lesebestätigung versendet.
+        '''</summary>
+        Public Shared ReadOnly Property MessageConfirmationSentRaC() As String
+            Get
+                Return ResourceManager.GetString("MessageConfirmationSentRaC", resourceCulture)
+            End Get
+        End Property
+        
+        '''<summary>
+        '''  Looks up a localized string similar to Löschinformation versendet.
         '''</summary>
         Public Shared ReadOnly Property MessageDeletionSent() As String
             Get
@@ -317,7 +398,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Dokumentenlink versendet ähnelt.
+        '''  Looks up a localized string similar to Dokumentenlink versendet.
         '''</summary>
         Public Shared ReadOnly Property MessageInvitationSent() As String
             Get
@@ -326,7 +407,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Nein ähnelt.
+        '''  Looks up a localized string similar to Nein.
         '''</summary>
         Public Shared ReadOnly Property No() As String
             Get
@@ -335,7 +416,16 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Teil-Signiert ähnelt.
+        '''  Looks up a localized string similar to Teil-Bestätigt.
+        '''</summary>
+        Public Shared ReadOnly Property PartlyConfirmed() As String
+            Get
+                Return ResourceManager.GetString("PartlyConfirmed", resourceCulture)
+            End Get
+        End Property
+        
+        '''<summary>
+        '''  Looks up a localized string similar to Teil-Signiert.
         '''</summary>
         Public Shared ReadOnly Property PartlySigned() As String
             Get
@@ -344,7 +434,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Qualifizierte Signatur ähnelt.
+        '''  Looks up a localized string similar to Qualifizierte Signatur.
         '''</summary>
         Public Shared ReadOnly Property QualifiedSignature() As String
             Get
@@ -353,7 +443,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Arbeitsanweisung ähnelt.
+        '''  Looks up a localized string similar to Lesebestätigung.
         '''</summary>
         Public Shared ReadOnly Property ReadAndSign() As String
             Get
@@ -362,7 +452,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Wollen Sie die 2-Faktor Definition für diesen Empfänger zurücksetzen. Der Empfänger muss sich dann neu identifizieren! ähnelt.
+        '''  Looks up a localized string similar to Wollen Sie die 2-Faktor Definition für diesen Empfänger zurücksetzen. Der Empfänger muss sich dann neu identifizieren!.
         '''</summary>
         Public Shared ReadOnly Property ResetTOTPUser() As String
             Get
@@ -371,7 +461,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Gespeichert ähnelt.
+        '''  Looks up a localized string similar to Gespeichert.
         '''</summary>
         Public Shared ReadOnly Property Saved() As String
             Get
@@ -380,7 +470,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Gesendet ähnelt.
+        '''  Looks up a localized string similar to Gesendet.
         '''</summary>
         Public Shared ReadOnly Property Sent() As String
             Get
@@ -389,7 +479,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Signatur ähnelt.
+        '''  Looks up a localized string similar to Signatur.
         '''</summary>
         Public Shared ReadOnly Property Signature() As String
             Get
@@ -398,7 +488,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Signatur bestätigt ähnelt.
+        '''  Looks up a localized string similar to Abschluss bestätigt.
         '''</summary>
         Public Shared ReadOnly Property SignatureConfirmed() As String
             Get
@@ -407,7 +497,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Signiert ähnelt.
+        '''  Looks up a localized string similar to Signiert.
         '''</summary>
         Public Shared ReadOnly Property Signed() As String
             Get
@@ -416,7 +506,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Erfolgreich! Dialog wird geschlossen. ähnelt.
+        '''  Looks up a localized string similar to Erfolgreich! Dialog wird geschlossen..
         '''</summary>
         Public Shared ReadOnly Property Success_FormClose() As String
             Get
@@ -425,7 +515,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Unsigniert ähnelt.
+        '''  Looks up a localized string similar to Unsigniert.
         '''</summary>
         Public Shared ReadOnly Property Unsigned() As String
             Get
@@ -434,7 +524,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Ja ähnelt.
+        '''  Looks up a localized string similar to Ja.
         '''</summary>
         Public Shared ReadOnly Property Yes() As String
             Get
@@ -443,7 +533,7 @@ Namespace My.Resources
         End Property
         
         '''<summary>
-        '''  Sucht eine lokalisierte Zeichenfolge, die Ja, mit Anhang ähnelt.
+        '''  Looks up a localized string similar to Ja, mit Anhang.
         '''</summary>
         Public Shared ReadOnly Property YesWithAttachment() As String
             Get

EnvelopeGenerator.CommonServices/Strings/Model.en.resx

@@ -132,12 +132,27 @@
   <data name="Completed" xml:space="preserve">
     <value>Completed</value>
   </data>
+  <data name="CompletelyConfirmed" xml:space="preserve">
+    <value>Completely confirmed</value>
+  </data>
+  <data name="CompletelySigned" xml:space="preserve">
+    <value>Completely signed</value>
+  </data>
+  <data name="Confirmation" xml:space="preserve">
+    <value>Read Confirmation</value>
+  </data>
+  <data name="Confirmed" xml:space="preserve">
+    <value>Read and signed</value>
+  </data>
   <data name="Contract" xml:space="preserve">
     <value>Contract</value>
   </data>
   <data name="Created" xml:space="preserve">
     <value>Created</value>
   </data>
+  <data name="DocumentConfirmed" xml:space="preserve">
+    <value>Document read and confirmed</value>
+  </data>
   <data name="DocumentMod_Rotation" xml:space="preserve">
     <value>Document rotation adapted</value>
   </data>
@@ -147,6 +162,9 @@
   <data name="DocumentRejected" xml:space="preserve">
     <value>Signing rejected</value>
   </data>
+  <data name="DocumentRejectedRaC" xml:space="preserve">
+    <value>Read confirmation rejected</value>
+  </data>
   <data name="DocumentSigned" xml:space="preserve">
     <value>Document signed</value>
   </data>
@@ -156,6 +174,9 @@
   <data name="EnvelopeArchived" xml:space="preserve">
     <value>Archived</value>
   </data>
+  <data name="EnvelopeCompletelyConfirmed" xml:space="preserve">
+    <value>Completely confirmed</value>
+  </data>
   <data name="EnvelopeCompletelySigned" xml:space="preserve">
     <value>Completely signed</value>
   </data>
@@ -165,8 +186,11 @@
   <data name="EnvelopeDeleted" xml:space="preserve">
     <value>Envelope Deleted</value>
   </data>
+  <data name="EnvelopePartlyConfirmed" xml:space="preserve">
+    <value>Partially confirmed</value>
+  </data>
   <data name="EnvelopePartlySigned" xml:space="preserve">
-    <value>Partly signed</value>
+    <value>Partially signed</value>
   </data>
   <data name="EnvelopeQueued" xml:space="preserve">
     <value>Envelope Queued</value>
@@ -177,6 +201,9 @@
   <data name="EnvelopeReportCreated" xml:space="preserve">
     <value>Signature certificate created</value>
   </data>
+  <data name="EnvelopeReportCreatedRaC" xml:space="preserve">
+    <value>Read Confirmation Certificate Created</value>
+  </data>
   <data name="EnvelopeSaved" xml:space="preserve">
     <value>Saved</value>
   </data>
@@ -195,6 +222,9 @@
   <data name="MessageConfirmationSent" xml:space="preserve">
     <value>Confirmation Sent</value>
   </data>
+  <data name="MessageConfirmationSentRaC" xml:space="preserve">
+    <value>Read Confirmation Sent</value>
+  </data>
   <data name="MessageDeletionSent" xml:space="preserve">
     <value>Deletion Notice Sent</value>
   </data>
@@ -204,6 +234,12 @@
   <data name="No" xml:space="preserve">
     <value>No</value>
   </data>
+  <data name="PartlyConfirmed" xml:space="preserve">
+    <value>Partially confirmed</value>
+  </data>
+  <data name="PartlySigned" xml:space="preserve">
+    <value>Partially signed</value>
+  </data>
   <data name="QualifiedSignature" xml:space="preserve">
     <value>Qualified Signature</value>
   </data>
@@ -223,7 +259,7 @@
     <value>Signature</value>
   </data>
   <data name="SignatureConfirmed" xml:space="preserve">
-    <value>Signature confirmed</value>
+    <value>Finalization confirmed</value>
   </data>
   <data name="Signed" xml:space="preserve">
     <value>Signed</value>

EnvelopeGenerator.CommonServices/Strings/Model.resx

@@ -132,8 +132,17 @@
   <data name="Completed" xml:space="preserve">
     <value>Abgeschlossen</value>
   </data>
+  <data name="CompletelyConfirmed" xml:space="preserve">
+    <value>Vollständig bestätigt</value>
+  </data>
   <data name="CompletelySigned" xml:space="preserve">
-    <value>Vollständig Signiert</value>
+    <value>Vollständig signiert</value>
+  </data>
+  <data name="Confirmation" xml:space="preserve">
+    <value>Lesebestätigung</value>
+  </data>
+  <data name="Confirmed" xml:space="preserve">
+    <value>Gelesen und Bestätigt</value>
   </data>
   <data name="Contract" xml:space="preserve">
     <value>Vertrag</value>
@@ -141,6 +150,9 @@
   <data name="Created" xml:space="preserve">
     <value>Erstellt</value>
   </data>
+  <data name="DocumentConfirmed" xml:space="preserve">
+    <value>Dokument gelesen und bestätigt</value>
+  </data>
   <data name="DocumentMod_Rotation" xml:space="preserve">
     <value>Dokument Rotation geändert</value>
   </data>
@@ -150,6 +162,9 @@
   <data name="DocumentRejected" xml:space="preserve">
     <value>Unterzeichnung abgelehnt</value>
   </data>
+  <data name="DocumentRejectedRaC" xml:space="preserve">
+    <value>Lesebestätigung abgelehnt</value>
+  </data>
   <data name="DocumentSigned" xml:space="preserve">
     <value>Dokument unterzeichnet</value>
   </data>
@@ -159,6 +174,9 @@
   <data name="EnvelopeArchived" xml:space="preserve">
     <value>Archiviert</value>
   </data>
+  <data name="EnvelopeCompletelyConfirmed" xml:space="preserve">
+    <value>Vollständig bestätigt</value>
+  </data>
   <data name="EnvelopeCompletelySigned" xml:space="preserve">
     <value>Vollständig signiert</value>
   </data>
@@ -168,6 +186,9 @@
   <data name="EnvelopeDeleted" xml:space="preserve">
     <value>Umschlag Gelöscht</value>
   </data>
+  <data name="EnvelopePartlyConfirmed" xml:space="preserve">
+    <value>Teil-Bestätigt</value>
+  </data>
   <data name="EnvelopePartlySigned" xml:space="preserve">
     <value>Teil-Signiert</value>
   </data>
@@ -180,6 +201,9 @@
   <data name="EnvelopeReportCreated" xml:space="preserve">
     <value>Signierungszertifikat erstellt</value>
   </data>
+  <data name="EnvelopeReportCreatedRaC" xml:space="preserve">
+    <value>Lesebestätigungszertifikat erstellt</value>
+  </data>
   <data name="EnvelopeSaved" xml:space="preserve">
     <value>Gespeichert</value>
   </data>
@@ -198,6 +222,9 @@
   <data name="MessageConfirmationSent" xml:space="preserve">
     <value>Signaturbestätigung versendet</value>
   </data>
+  <data name="MessageConfirmationSentRaC" xml:space="preserve">
+    <value>Lesebestätigung versendet</value>
+  </data>
   <data name="MessageDeletionSent" xml:space="preserve">
     <value>Löschinformation versendet</value>
   </data>
@@ -207,6 +234,9 @@
   <data name="No" xml:space="preserve">
     <value>Nein</value>
   </data>
+  <data name="PartlyConfirmed" xml:space="preserve">
+    <value>Teil-Bestätigt</value>
+  </data>
   <data name="PartlySigned" xml:space="preserve">
     <value>Teil-Signiert</value>
   </data>
@@ -214,7 +244,7 @@
     <value>Qualifizierte Signatur</value>
   </data>
   <data name="ReadAndSign" xml:space="preserve">
-    <value>Arbeitsanweisung</value>
+    <value>Lesebestätigung</value>
   </data>
   <data name="ResetTOTPUser" xml:space="preserve">
     <value>Wollen Sie die 2-Faktor Definition für diesen Empfänger zurücksetzen. Der Empfänger muss sich dann neu identifizieren!</value>
@@ -229,7 +259,7 @@
     <value>Signatur</value>
   </data>
   <data name="SignatureConfirmed" xml:space="preserve">
-    <value>Signatur bestätigt</value>
+    <value>Abschluss bestätigt</value>
   </data>
   <data name="Signed" xml:space="preserve">
     <value>Signiert</value>

EnvelopeGenerator.DependencyInjection/DependencyInjection.cs

@@ -0,0 +1,145 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using EnvelopeGenerator.Application;
+using EnvelopeGenerator.Application.Common.Interfaces.Services;
+using EnvelopeGenerator.Application.Services;
+using EnvelopeGenerator.Infrastructure;
+using DigitalData.EmailProfilerDispatcher;
+using DigitalData.UserManager.DependencyInjection;
+
+namespace EnvelopeGenerator.DependencyInjection;
+
+/// <summary>
+/// Controls which optional services are registered by <see cref="DependencyInjection.AddEnvelopeGenerator"/>.
+/// All flags default to <c>true</c>. Set a flag to <c>false</c> if the consuming project
+/// already registers that service itself or simply does not need it.
+/// </summary>
+public sealed class EnvelopeGeneratorOptions
+{
+    /// <summary>Calls <c>AddHttpContextAccessor()</c>. Default: <c>true</c>.</summary>
+    public bool AddHttpContextAccessor { get; set; } = true;
+
+    /// <summary>
+    /// Calls <c>AddDistributedSqlServerCache()</c> with the supplied <see cref="SqlCacheOptions"/>.
+    /// Requires <see cref="SqlCacheOptions"/> to be configured. Default: <c>true</c>.
+    /// </summary>
+    public bool AddDistributedSqlServerCache { get; set; } = true;
+
+    /// <summary>
+    /// Options for the distributed SQL Server cache.
+    /// Required when <see cref="AddDistributedSqlServerCache"/> is <c>true</c>.
+    /// </summary>
+    public SqlCacheOptions? SqlCacheOptions { get; set; }
+
+    /// <summary>Calls <c>AddDispatcher&lt;TDbContext&gt;()</c>. Default: <c>true</c>.</summary>
+    public bool AddDispatcher { get; set; } = true;
+
+    /// <summary>Calls <c>AddMemoryCache()</c>. Default: <c>true</c>.</summary>
+    public bool AddMemoryCache { get; set; } = true;
+
+    /// <summary>Calls <c>AddUserManager&lt;TDbContext&gt;()</c>. Default: <c>true</c>.</summary>
+    public bool AddUserManager { get; set; } = true;
+}
+
+/// <summary>Options for <c>AddDistributedSqlServerCache</c>.</summary>
+public sealed class SqlCacheOptions
+{
+    /// <summary>SQL Server connection string.</summary>
+    public string ConnectionString { get; set; } = string.Empty;
+
+    /// <summary>Schema name. Default: <c>dbo</c>.</summary>
+    public string SchemaName { get; set; } = "dbo";
+
+    /// <summary>Table name. Default: <c>TBDD_CACHE</c>.</summary>
+    public string TableName { get; set; } = "TBDD_CACHE";
+}
+
+/// <summary>
+/// Extension methods for registering EnvelopeGenerator services into an <see cref="IServiceCollection"/>.
+/// Use <see cref="AddEnvelopeGenerator{TDbContext}"/> as the single entry-point for projects that need both the
+/// application layer (MediatR, AutoMapper, CRUD services, configuration sections) and the infrastructure
+/// layer (repositories, DbContext, SQL executors).
+/// For projects that do not need a database (e.g. lightweight API gateways or unit-test hosts), use
+/// <see cref="AddEnvelopeGeneratorCore"/> to register only the application layer.
+/// </summary>
+public static class DependencyInjection
+{
+    /// <summary>
+    /// Registers the full EnvelopeGenerator stack using <see cref="EGDbContext"/> as the DbContext type.
+    /// </summary>
+    public static IServiceCollection AddEnvelopeGenerator(
+        this IServiceCollection services,
+        IConfiguration configuration,
+        Action<EnvelopeGenerator.Infrastructure.DependencyInjection.Config>? infrastructureOptions = null,
+        Action<EnvelopeGeneratorOptions>? options = null)
+    {
+        var opt = new EnvelopeGeneratorOptions();
+        options?.Invoke(opt);
+
+#pragma warning disable CS0618
+        // Application layer: CRUD services, MediatR, AutoMapper, configuration sections.
+        services.AddEnvelopeGeneratorServices(configuration);
+
+        // Infrastructure layer: repositories, DbContext, Dapper type maps, SQL executors.
+        services.AddEnvelopeGeneratorInfrastructureServices(cfg =>
+        {
+            infrastructureOptions?.Invoke(cfg);
+        });
+#pragma warning restore CS0618
+
+        if (opt.AddHttpContextAccessor)
+            services.AddHttpContextAccessor();
+
+        if (opt.AddDistributedSqlServerCache && opt.SqlCacheOptions is { } cacheOpts)
+            services.AddDistributedSqlServerCache(o =>
+            {
+                o.ConnectionString = cacheOpts.ConnectionString;
+                o.SchemaName = cacheOpts.SchemaName;
+                o.TableName = cacheOpts.TableName;
+            });
+
+        if (opt.AddDispatcher)
+            services.AddDispatcher<EGDbContext>();
+
+        if (opt.AddMemoryCache)
+            services.AddMemoryCache();
+
+#pragma warning disable CS0618
+        if (opt.AddUserManager)
+            services.AddUserManager<EGDbContext>();
+#pragma warning restore CS0618
+
+        return services;
+    }
+
+    /// <summary>
+    /// Registers only the <em>application</em> layer services (MediatR handlers, AutoMapper profiles,
+    /// CRUD services, configuration sections) without any infrastructure / database dependencies.
+    /// </summary>
+    /// <param name="services">Service collection to register services into.</param>
+    /// <param name="configuration">Application configuration used to bind application-level option sections.</param>
+    /// <returns>The updated <see cref="IServiceCollection"/>.</returns>
+#pragma warning disable CS0618
+    public static IServiceCollection AddEnvelopeGeneratorCore(
+        this IServiceCollection services,
+        IConfiguration configuration)
+    {
+        services.AddEnvelopeGeneratorServices(configuration);
+        return services;
+    }
+#pragma warning restore CS0618
+
+    /// <summary>
+    /// Registers <see cref="EnvelopeMailService"/> as the <see cref="IEnvelopeMailService"/> scoped
+    /// implementation.
+    /// </summary>
+    /// <param name="services">Service collection to register services into.</param>
+    /// <returns>The updated <see cref="IServiceCollection"/>.</returns>
+#pragma warning disable CS0618
+    public static IServiceCollection AddEnvelopeMailService(this IServiceCollection services)
+    {
+        services.AddScoped<IEnvelopeMailService, EnvelopeMailService>();
+        return services;
+    }
+#pragma warning restore CS0618
+}

EnvelopeGenerator.DependencyInjection/EnvelopeGenerator.DependencyInjection.csproj

@@ -0,0 +1,176 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>net7.0;net8.0;net9.0</TargetFrameworks>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <!-- NuGet package metadata -->
+    <PackageId>EnvelopeGenerator</PackageId>
+    <Authors>Digital Data GmbH</Authors>
+    <Company>Digital Data GmbH</Company>
+    <Product>EnvelopeGenerator</Product>
+    <Description>
+      Envelope Generator ist eine Bibliothek zur Verwaltung und Verarbeitung digitaler Umschläge (Envelopes).
+      Dieses Paket enthält die Dependency-Injection-Erweiterungsmethoden und bündelt die Application-
+      sowie Infrastructure-Schicht in einer einzigen NuGet-Referenz.
+    </Description>
+    <Copyright>Copyright 2024 Digital Data GmbH</Copyright>
+    <RepositoryUrl>http://git.dd:3000/AppStd/EnvelopeGenerator.git</RepositoryUrl>
+    <PackageTags>digital data envelope generator di dependency injection</PackageTags>
+    <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
+    <Version>1.2.0.3</Version>
+    <AssemblyVersion>1.2.0.3</AssemblyVersion>
+    <FileVersion>1.2.0.3</FileVersion>
+    <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
+  </PropertyGroup>
+
+  <!-- ASP.NET Core shared framework (AddHttpContextAccessor, AddMemoryCache, etc.) -->
+  <ItemGroup>
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
+  </ItemGroup>
+
+  <!--
+    All dependencies are declared here.
+    Because Application and Infrastructure DLLs are bundled via PrivateAssets=all,
+    their PackageReferences have been moved to this project so that the correct
+    dependencies are written to the nuspec and a consuming project works with
+    a single package install.
+  -->
+  <ItemGroup>
+    <!-- DigitalData BaGet packages -->
+    <PackageReference Include="DigitalData.Core.Abstraction.Application" Version="1.6.0" />
+    <PackageReference Include="DigitalData.Core.Application" Version="3.4.0" />
+    <PackageReference Include="DigitalData.Core.Client" Version="2.1.0" />
+    <PackageReference Include="DigitalData.Core.Exceptions" Version="1.1.0" />
+    <PackageReference Include="DigitalData.Core.Infrastructure" Version="2.6.1" />
+    <PackageReference Include="DigitalData.EmailProfilerDispatcher" Version="3.1.1" />
+    <PackageReference Include="UserManager" Version="1.1.3" />
+
+    <!-- ORM / Database -->
+    <PackageReference Include="Dapper" Version="2.1.66" />
+    <PackageReference Include="Microsoft.Data.SqlClient" Version="5.2.2" />
+
+    <!-- Application services -->
+    <PackageReference Include="MediatR" Version="12.5.0" />
+    <PackageReference Include="QRCoder" Version="1.6.0" />
+    <PackageReference Include="QRCoder-ImageSharp" Version="0.10.0" />
+    <PackageReference Include="QuestPDF" Version="2025.7.1" />
+    <PackageReference Include="Otp.NET" Version="1.4.0" />
+
+    <!-- Security / Identity -->
+    <PackageReference Include="Microsoft.Identity.Client" Version="4.82.1" />
+
+    <!-- Utilities -->
+    <PackageReference Include="HtmlSanitizer" Version="9.0.892" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.12" />
+    <PackageReference Include="System.Formats.Asn1" Version="10.0.3" />
+    <PackageReference Include="System.Security.AccessControl" Version="6.0.1" />
+
+    <!-- DI abstractions -->
+    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="9.0.6" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.6" />
+  </ItemGroup>
+
+  <!-- TFM-specific packages -->
+  <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
+    <PackageReference Include="AutoMapper" Version="13.0.1" />
+    <PackageReference Include="CommandDotNet" Version="7.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="7.0.20" />
+    <PackageReference Include="Microsoft.Extensions.Caching.SqlServer" Version="7.0.20" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.20" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="7.0.20" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.20" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+    <PackageReference Include="AutoMapper" Version="14.0.0" />
+    <PackageReference Include="CommandDotNet" Version="8.1.1" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.17" />
+    <PackageReference Include="Microsoft.Extensions.Caching.SqlServer" Version="8.0.17" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.17" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="8.0.17" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.17" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
+    <PackageReference Include="AutoMapper" Version="14.0.0" />
+    <PackageReference Include="CommandDotNet" Version="8.1.1" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.6" />
+    <PackageReference Include="Microsoft.Extensions.Caching.SqlServer" Version="9.0.6" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.6" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="9.0.6" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.6" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\EnvelopeGenerator.Application\EnvelopeGenerator.Application.csproj">
+      <PrivateAssets>all</PrivateAssets>
+    </ProjectReference>
+    <ProjectReference Include="..\EnvelopeGenerator.Domain\EnvelopeGenerator.Domain.csproj">
+      <PrivateAssets>all</PrivateAssets>
+    </ProjectReference>
+    <ProjectReference Include="..\EnvelopeGenerator.Infrastructure\EnvelopeGenerator.Infrastructure.csproj">
+      <PrivateAssets>all</PrivateAssets>
+    </ProjectReference>
+  </ItemGroup>
+
+  <!-- Bundle dependency DLLs into the package lib folder -->
+  <Target Name="IncludeDependencyDlls" BeforeTargets="_GetPackageFiles">
+    <ItemGroup>
+      <_DepDlls Include="&#xD;&#xA;        ..\EnvelopeGenerator.Application\bin\$(Configuration)\%(ProjectReference.TargetFramework)\EnvelopeGenerator.Application.dll;&#xD;&#xA;        ..\EnvelopeGenerator.Domain\bin\$(Configuration)\%(ProjectReference.TargetFramework)\EnvelopeGenerator.Domain.dll;&#xD;&#xA;        ..\EnvelopeGenerator.Infrastructure\bin\$(Configuration)\%(ProjectReference.TargetFramework)\EnvelopeGenerator.Infrastructure.dll" />
+    </ItemGroup>
+  </Target>
+
+  <!--
+    Rebuild all dependency projects for every TFM before packing so that
+    the DLLs bundled into the package are always up-to-date.
+    Run with: dotnet pack -c Release
+  -->
+  <Target Name="RebuildDependenciesBeforePack" BeforeTargets="GenerateNuspec">
+    <MSBuild Projects="..\EnvelopeGenerator.Application\EnvelopeGenerator.Application.csproj"
+             Targets="Build"
+             Properties="Configuration=$(Configuration);TargetFramework=net7.0" />
+    <MSBuild Projects="..\EnvelopeGenerator.Application\EnvelopeGenerator.Application.csproj"
+             Targets="Build"
+             Properties="Configuration=$(Configuration);TargetFramework=net8.0" />
+    <MSBuild Projects="..\EnvelopeGenerator.Application\EnvelopeGenerator.Application.csproj"
+             Targets="Build"
+             Properties="Configuration=$(Configuration);TargetFramework=net9.0" />
+
+    <MSBuild Projects="..\EnvelopeGenerator.Domain\EnvelopeGenerator.Domain.csproj"
+             Targets="Build"
+             Properties="Configuration=$(Configuration);TargetFramework=net7.0" />
+    <MSBuild Projects="..\EnvelopeGenerator.Domain\EnvelopeGenerator.Domain.csproj"
+             Targets="Build"
+             Properties="Configuration=$(Configuration);TargetFramework=net8.0" />
+    <MSBuild Projects="..\EnvelopeGenerator.Domain\EnvelopeGenerator.Domain.csproj"
+             Targets="Build"
+             Properties="Configuration=$(Configuration);TargetFramework=net9.0" />
+
+    <MSBuild Projects="..\EnvelopeGenerator.Infrastructure\EnvelopeGenerator.Infrastructure.csproj"
+             Targets="Build"
+             Properties="Configuration=$(Configuration);TargetFramework=net7.0" />
+    <MSBuild Projects="..\EnvelopeGenerator.Infrastructure\EnvelopeGenerator.Infrastructure.csproj"
+             Targets="Build"
+             Properties="Configuration=$(Configuration);TargetFramework=net8.0" />
+    <MSBuild Projects="..\EnvelopeGenerator.Infrastructure\EnvelopeGenerator.Infrastructure.csproj"
+             Targets="Build"
+             Properties="Configuration=$(Configuration);TargetFramework=net9.0" />
+  </Target>
+
+  <Target Name="BundleReferencedDlls" AfterTargets="Build">
+    <ItemGroup>
+      <BuildOutputInPackage Include="..\EnvelopeGenerator.Application\bin\$(Configuration)\net7.0\EnvelopeGenerator.Application.dll" TargetFramework="net7.0" />
+      <BuildOutputInPackage Include="..\EnvelopeGenerator.Application\bin\$(Configuration)\net8.0\EnvelopeGenerator.Application.dll" TargetFramework="net8.0" />
+      <BuildOutputInPackage Include="..\EnvelopeGenerator.Application\bin\$(Configuration)\net9.0\EnvelopeGenerator.Application.dll" TargetFramework="net9.0" />
+      <BuildOutputInPackage Include="..\EnvelopeGenerator.Domain\bin\$(Configuration)\net7.0\EnvelopeGenerator.Domain.dll" TargetFramework="net7.0" />
+      <BuildOutputInPackage Include="..\EnvelopeGenerator.Domain\bin\$(Configuration)\net8.0\EnvelopeGenerator.Domain.dll" TargetFramework="net8.0" />
+      <BuildOutputInPackage Include="..\EnvelopeGenerator.Domain\bin\$(Configuration)\net9.0\EnvelopeGenerator.Domain.dll" TargetFramework="net9.0" />
+      <BuildOutputInPackage Include="..\EnvelopeGenerator.Infrastructure\bin\$(Configuration)\net7.0\EnvelopeGenerator.Infrastructure.dll" TargetFramework="net7.0" />
+      <BuildOutputInPackage Include="..\EnvelopeGenerator.Infrastructure\bin\$(Configuration)\net8.0\EnvelopeGenerator.Infrastructure.dll" TargetFramework="net8.0" />
+      <BuildOutputInPackage Include="..\EnvelopeGenerator.Infrastructure\bin\$(Configuration)\net9.0\EnvelopeGenerator.Infrastructure.dll" TargetFramework="net9.0" />
+    </ItemGroup>
+  </Target>
+
+</Project>

EnvelopeGenerator.Domain/Constants/SenderAppType.cs

@@ -0,0 +1,8 @@
+namespace EnvelopeGenerator.Domain.Constants
+{
+    public enum SenderAppType
+    {
+        LegacyFormApp = 0,
+        ReceiverUIBlazorApp = 1
+    }
+}

EnvelopeGenerator.Domain/Entities/DocReceiverElement.cs

@@ -11,9 +11,9 @@ using System.Collections.Generic;
 namespace EnvelopeGenerator.Domain.Entities
 {
     [Table("TBSIG_DOCUMENT_RECEIVER_ELEMENT", Schema = "dbo")]
-    public class Signature : ISignature, IHasReceiver, IHasAddedWhen, IUpdateAuditable
+    public class DocReceiverElement : IDocReceiverElement, IHasReceiver, IHasAddedWhen, IUpdateAuditable
     {
-        public Signature()
+        public DocReceiverElement()
         {
             // TODO: * Check the Form App and remove the default value
 #if NETFRAMEWORK
@@ -126,5 +126,33 @@ namespace EnvelopeGenerator.Domain.Entities
         [NotMapped]
         public double Left => Math.Round(X, 5);
 #endif
+
+        [Column("FULL_NAME", TypeName = "nvarchar(100)")]
+        public string
+#if nullable
+        ?
+# endif
+            FullName { get; set; }
+
+        [Column("POSITION", TypeName = "nvarchar(100)")]
+        public string
+#if nullable
+        ?
+#endif
+            Position { get; set; }
+
+        [Column("PLACE", TypeName = "nvarchar(100)")]
+        public string
+#if nullable
+        ?
+#endif
+            Place { get; set; }
+
+        [Column("INK", TypeName = "varbinary(MAX)")]
+        public byte[]
+#if nullable
+        ?
+#endif
+            Ink { get; set; }
     }
 }

EnvelopeGenerator.Domain/Entities/Document.cs

@@ -18,7 +18,7 @@ namespace EnvelopeGenerator.Domain.Entities
         public Document()
         {
 #if NETFRAMEWORK
-            Elements = Enumerable.Empty<Signature>().ToList();
+            Elements = Enumerable.Empty<DocReceiverElement>().ToList();
 #endif
         }
 
@@ -60,7 +60,7 @@ namespace EnvelopeGenerator.Domain.Entities
             FileNameOriginal { get; set; }
         #endregion
 
-        public virtual List<Signature>
+        public virtual List<DocReceiverElement>
 #if nullable
             ?
 #endif

EnvelopeGenerator.Domain/Entities/DocumentStatus.cs

@@ -35,6 +35,9 @@ namespace EnvelopeGenerator.Domain.Entities
         [Column("STATUS")]
         public Constants.DocumentStatus Status { get; set; }
 
+        [Column("STATUS_CHANGED_WHEN", TypeName = "datetime")]
+        public DateTime? StatusChangedWhen { get; set; }
+
         [Required]
         [Column("ADDED_WHEN", TypeName = "datetime")]
         public DateTime AddedWhen { get; set; }

EnvelopeGenerator.Domain/Entities/ElementAnnotation.cs

@@ -76,7 +76,7 @@ namespace EnvelopeGenerator.Domain.Entities
             ChangedWho { get; set; }
 
         [ForeignKey("ElementId")]
-        public virtual Signature
+        public virtual DocReceiverElement
 #if nullable
             ?
 #endif

EnvelopeGenerator.Domain/Entities/Envelope.cs

@@ -5,6 +5,7 @@ using System.ComponentModel.DataAnnotations.Schema;
 using EnvelopeGenerator.Domain.Constants;
 using Newtonsoft.Json;
 using EnvelopeGenerator.Domain.Interfaces.Auditing;
+using EnvelopeGenerator.Domain.Interfaces;
 #if NETFRAMEWORK
 using System.Collections.Generic;
 using System.Linq;
@@ -13,7 +14,7 @@ using System.Linq;
 namespace EnvelopeGenerator.Domain.Entities
 {
     [Table("TBSIG_ENVELOPE", Schema = "dbo")]
-    public class Envelope : IHasAddedWhen, IHasChangedWhen
+    public class Envelope : IHasAddedWhen, IHasChangedWhen, IEnvelope
     {
         public Envelope()
         {
@@ -93,7 +94,7 @@ namespace EnvelopeGenerator.Domain.Entities
         public string Language { get; set; }
 
         [Column("SEND_REMINDER_EMAILS")]
-        public bool SendReminderEmails { get; set; }
+        public bool? SendReminderEmails { get; set; }
 
         [Column("FIRST_REMINDER_DAYS")]
         public int? FirstReminderDays { get; set; }
@@ -106,13 +107,14 @@ namespace EnvelopeGenerator.Domain.Entities
 
         [JsonIgnore]
         [NotMapped]
-        public bool ReadOnly => EnvelopeTypeId == 2;
+        [Obsolete("Use EnvelopeGenerator.Domain.Interfaces.EnvelopeExtensions.IsReadAndConfirm extension method instead.")]
+        public bool ReadOnly => this.IsReadAndConfirm();
 
         [Column("CERTIFICATION_TYPE")]
         public int? CertificationType { get; set; }
 
         [Column("USE_ACCESS_CODE")]
-        public bool UseAccessCode { get; set; }
+        public bool? UseAccessCode { get; set; }
 
         [Column("FINAL_EMAIL_TO_CREATOR")]
         public int? FinalEmailToCreator { get; set; }
@@ -130,7 +132,7 @@ namespace EnvelopeGenerator.Domain.Entities
         public User User { get; set; }
 
         [Column("TFA_ENABLED")]
-        public bool TfaEnabled { get; set; }
+        public bool? TfaEnabled { get; set; }
 #if NETFRAMEWORK
             = false;
 #endif

EnvelopeGenerator.Domain/Entities/History.cs

@@ -35,8 +35,11 @@ namespace EnvelopeGenerator.Domain.Entities
         public DateTime AddedWhen { get; set; }
 
         [Column("ACTION_DATE", TypeName = "datetime")]
-        public DateTime? ChangedWhen { get; set; }
+        public DateTime? ActionDate { get; set; }
-        
+
+        [NotMapped]
+        public DateTime? ChangedWhen { get => ActionDate; set => ActionDate = value; }
+
         [Column("COMMENT", TypeName = "nvarchar(max)")]
         public string
 #if nullable

EnvelopeGenerator.Domain/Interfaces/IDocReceiverElement.cs

@@ -1,6 +1,6 @@
 namespace EnvelopeGenerator.Domain.Interfaces
 {
-    public interface ISignature
+    public interface IDocReceiverElement
     {
         int Page { get; set; }
 

EnvelopeGenerator.Domain/Interfaces/IEnvelope.cs

@@ -0,0 +1,20 @@
+namespace EnvelopeGenerator.Domain.Interfaces
+{
+    public interface IEnvelope
+    {
+        int? EnvelopeTypeId { get; set; }
+    }
+
+    public static class EnvelopeExtensions
+    {
+        public static bool IsReadAndConfirm(this IEnvelope envelope)
+        {
+            return envelope.EnvelopeTypeId == 2;
+        }
+
+        public static bool IsReadAndSign(this IEnvelope envelope)
+        {
+            return envelope.EnvelopeTypeId != 2;
+        }
+    }
+}

EnvelopeGenerator.Domain/Resources/Model.Designer.cs

@@ -1,10 +1,10 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
-//     Dieser Code wurde von einem Tool generiert.
+//     This code was generated by a tool.
-//     Laufzeitversion:4.0.30319.42000
+//     Runtime Version:4.0.30319.42000
 //
-//     Änderungen an dieser Datei können falsches Verhalten verursachen und gehen verloren, wenn
+//     Changes to this file may cause incorrect behavior and will be lost if
-//     der Code erneut generiert wird.
+//     the code is regenerated.
 // </auto-generated>
 //------------------------------------------------------------------------------
 
@@ -13,12 +13,12 @@ namespace My.Resources {
     
     
     /// <summary>
-    ///   Eine stark typisierte Ressourcenklasse zum Suchen von lokalisierten Zeichenfolgen usw.
+    ///   A strongly-typed resource class, for looking up localized strings, etc.
     /// </summary>
-    // Diese Klasse wurde von der StronglyTypedResourceBuilder automatisch generiert
+    // This class was auto-generated by the StronglyTypedResourceBuilder
-    // -Klasse über ein Tool wie ResGen oder Visual Studio automatisch generiert.
+    // class via a tool like ResGen or Visual Studio.
-    // Um einen Member hinzuzufügen oder zu entfernen, bearbeiten Sie die .ResX-Datei und führen dann ResGen
+    // To add or remove a member, edit your .ResX file then rerun ResGen
-    // mit der /str-Option erneut aus, oder Sie erstellen Ihr VS-Projekt neu.
+    // with the /str option, or rebuild your VS project.
     [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
@@ -33,7 +33,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Gibt die zwischengespeicherte ResourceManager-Instanz zurück, die von dieser Klasse verwendet wird.
+        ///   Returns the cached ResourceManager instance used by this class.
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         public static global::System.Resources.ResourceManager ResourceManager {
@@ -47,8 +47,8 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Überschreibt die CurrentUICulture-Eigenschaft des aktuellen Threads für alle
+        ///   Overrides the current thread's CurrentUICulture property for all
-        ///   Ressourcenzuordnungen, die diese stark typisierte Ressourcenklasse verwenden.
+        ///   resource lookups using this strongly typed resource class.
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         public static global::System.Globalization.CultureInfo Culture {
@@ -61,7 +61,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Zugriffscode korrekt eingegeben ähnelt.
+        ///   Looks up a localized string similar to Zugriffscode korrekt eingegeben.
         /// </summary>
         public static string AccessCodeCorrect {
             get {
@@ -70,7 +70,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Zugriffscode falsch eingegeben ähnelt.
+        ///   Looks up a localized string similar to Zugriffscode falsch eingegeben.
         /// </summary>
         public static string AccessCodeIncorrect {
             get {
@@ -79,7 +79,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Zugriffscode angefordert ähnelt.
+        ///   Looks up a localized string similar to Zugriffscode angefordert.
         /// </summary>
         public static string AccessCodeRequested {
             get {
@@ -88,7 +88,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Fortgeschrittene Elektronische Signatur ähnelt.
+        ///   Looks up a localized string similar to Fortgeschrittene Elektronische Signatur.
         /// </summary>
         public static string AdvancedElectronicSignature {
             get {
@@ -97,7 +97,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Abgeschlossen ähnelt.
+        ///   Looks up a localized string similar to Abgeschlossen.
         /// </summary>
         public static string Completed {
             get {
@@ -106,7 +106,16 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Vollständig Signiert ähnelt.
+        ///   Looks up a localized string similar to Vollständig bestätigt.
+        /// </summary>
+        public static string CompletelyConfirmed {
+            get {
+                return ResourceManager.GetString("CompletelyConfirmed", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Vollständig signiert.
         /// </summary>
         public static string CompletelySigned {
             get {
@@ -115,7 +124,25 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Vertrag ähnelt.
+        ///   Looks up a localized string similar to Lesebestätigung.
+        /// </summary>
+        public static string Confirmation {
+            get {
+                return ResourceManager.GetString("Confirmation", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Gelesen und bestätigt.
+        /// </summary>
+        public static string Confirmed {
+            get {
+                return ResourceManager.GetString("Confirmed", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Vertrag.
         /// </summary>
         public static string Contract {
             get {
@@ -124,7 +151,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Erstellt ähnelt.
+        ///   Looks up a localized string similar to Erstellt.
         /// </summary>
         public static string Created {
             get {
@@ -133,7 +160,16 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Dokument Rotation geändert ähnelt.
+        ///   Looks up a localized string similar to Dokument gelesen und bestätigt.
+        /// </summary>
+        public static string DocumentConfirmed {
+            get {
+                return ResourceManager.GetString("DocumentConfirmed", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Dokument Rotation geändert.
         /// </summary>
         public static string DocumentMod_Rotation {
             get {
@@ -142,7 +178,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Dokument geöffnet ähnelt.
+        ///   Looks up a localized string similar to Dokument geöffnet.
         /// </summary>
         public static string DocumentOpened {
             get {
@@ -151,7 +187,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Unterzeichnung abgelehnt ähnelt.
+        ///   Looks up a localized string similar to Unterzeichnung abgelehnt.
         /// </summary>
         public static string DocumentRejected {
             get {
@@ -160,7 +196,16 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Dokument unterzeichnet ähnelt.
+        ///   Looks up a localized string similar to Lesebestätigung abgelehnt.
+        /// </summary>
+        public static string DocumentRejectedRaC {
+            get {
+                return ResourceManager.GetString("DocumentRejectedRaC", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Dokument unterzeichnet.
         /// </summary>
         public static string DocumentSigned {
             get {
@@ -169,7 +214,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Entwurf ähnelt.
+        ///   Looks up a localized string similar to Entwurf.
         /// </summary>
         public static string Draft {
             get {
@@ -178,7 +223,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Archiviert ähnelt.
+        ///   Looks up a localized string similar to Archiviert.
         /// </summary>
         public static string EnvelopeArchived {
             get {
@@ -187,7 +232,16 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Vollständig signiert ähnelt.
+        ///   Looks up a localized string similar to Vollständig gelesen und bestätigt.
+        /// </summary>
+        public static string EnvelopeCompletelyConfirmed {
+            get {
+                return ResourceManager.GetString("EnvelopeCompletelyConfirmed", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Vollständig signiert.
         /// </summary>
         public static string EnvelopeCompletelySigned {
             get {
@@ -196,7 +250,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Umschlag Erstellt ähnelt.
+        ///   Looks up a localized string similar to Umschlag Erstellt.
         /// </summary>
         public static string EnvelopeCreated {
             get {
@@ -205,7 +259,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Umschlag Gelöscht ähnelt.
+        ///   Looks up a localized string similar to Umschlag Gelöscht.
         /// </summary>
         public static string EnvelopeDeleted {
             get {
@@ -214,7 +268,16 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Teil-Signiert ähnelt.
+        ///   Looks up a localized string similar to Teil-Bestätigt.
+        /// </summary>
+        public static string EnvelopePartlyConfirmed {
+            get {
+                return ResourceManager.GetString("EnvelopePartlyConfirmed", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Teil-Signiert.
         /// </summary>
         public static string EnvelopePartlySigned {
             get {
@@ -223,7 +286,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Umschlag in Queue ähnelt.
+        ///   Looks up a localized string similar to Umschlag in Queue.
         /// </summary>
         public static string EnvelopeQueued {
             get {
@@ -232,7 +295,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Umschlag abgelehnt ähnelt.
+        ///   Looks up a localized string similar to Umschlag abgelehnt.
         /// </summary>
         public static string EnvelopeRejected {
             get {
@@ -241,7 +304,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Signierungszertifikat erstellt ähnelt.
+        ///   Looks up a localized string similar to Signierungszertifikat erstellt.
         /// </summary>
         public static string EnvelopeReportCreated {
             get {
@@ -250,7 +313,16 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Gespeichert ähnelt.
+        ///   Looks up a localized string similar to Lesebestätigungszertifikat erstellt.
+        /// </summary>
+        public static string EnvelopeReportCreatedRaC {
+            get {
+                return ResourceManager.GetString("EnvelopeReportCreatedRaC", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Gespeichert.
         /// </summary>
         public static string EnvelopeSaved {
             get {
@@ -259,7 +331,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Gesendet ähnelt.
+        ///   Looks up a localized string similar to Gesendet.
         /// </summary>
         public static string EnvelopeSent {
             get {
@@ -268,7 +340,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Umschlag zurückgezogen ähnelt.
+        ///   Looks up a localized string similar to Umschlag zurückgezogen.
         /// </summary>
         public static string EnvelopeWithdrawn {
             get {
@@ -277,7 +349,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Zugriffscode versendet ähnelt.
+        ///   Looks up a localized string similar to Zugriffscode versendet.
         /// </summary>
         public static string MessageAccessCodeSent {
             get {
@@ -286,7 +358,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Abschlussemail versendet ähnelt.
+        ///   Looks up a localized string similar to Abschlussemail versendet.
         /// </summary>
         public static string MessageCompletionSent {
             get {
@@ -295,7 +367,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Signaturbestätigung versendet ähnelt.
+        ///   Looks up a localized string similar to Abschlussbestätigung versendet.
         /// </summary>
         public static string MessageConfirmationSent {
             get {
@@ -304,7 +376,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Löschinformation versendet ähnelt.
+        ///   Looks up a localized string similar to Löschinformation versendet.
         /// </summary>
         public static string MessageDeletionSent {
             get {
@@ -313,7 +385,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Dokumentenlink versendet ähnelt.
+        ///   Looks up a localized string similar to Dokumentenlink versendet.
         /// </summary>
         public static string MessageInvitationSent {
             get {
@@ -322,7 +394,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Nein ähnelt.
+        ///   Looks up a localized string similar to Nein.
         /// </summary>
         public static string No {
             get {
@@ -331,7 +403,16 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Teil-Signiert ähnelt.
+        ///   Looks up a localized string similar to Teil-Bestätigt.
+        /// </summary>
+        public static string PartlyConfirmed {
+            get {
+                return ResourceManager.GetString("PartlyConfirmed", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Teil-Signiert.
         /// </summary>
         public static string PartlySigned {
             get {
@@ -340,7 +421,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Qualifizierte Signatur ähnelt.
+        ///   Looks up a localized string similar to Qualifizierte Signatur.
         /// </summary>
         public static string QualifiedSignature {
             get {
@@ -349,7 +430,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Arbeitsanweisung ähnelt.
+        ///   Looks up a localized string similar to Lesebestätigung.
         /// </summary>
         public static string ReadAndSign {
             get {
@@ -358,7 +439,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Wollen Sie die 2-Faktor Definition für diesen Empfänger zurücksetzen. Der Empfänger muss sich dann neu identifizieren! ähnelt.
+        ///   Looks up a localized string similar to Wollen Sie die 2-Faktor Definition für diesen Empfänger zurücksetzen. Der Empfänger muss sich dann neu identifizieren!.
         /// </summary>
         public static string ResetTOTPUser {
             get {
@@ -367,7 +448,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Gespeichert ähnelt.
+        ///   Looks up a localized string similar to Gespeichert.
         /// </summary>
         public static string Saved {
             get {
@@ -376,7 +457,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Gesendet ähnelt.
+        ///   Looks up a localized string similar to Gesendet.
         /// </summary>
         public static string Sent {
             get {
@@ -385,7 +466,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Signatur ähnelt.
+        ///   Looks up a localized string similar to Signatur.
         /// </summary>
         public static string Signature {
             get {
@@ -394,7 +475,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Signatur bestätigt ähnelt.
+        ///   Looks up a localized string similar to Abschluss bestätigt.
         /// </summary>
         public static string SignatureConfirmed {
             get {
@@ -403,7 +484,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Signiert ähnelt.
+        ///   Looks up a localized string similar to Signiert.
         /// </summary>
         public static string Signed {
             get {
@@ -412,7 +493,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Erfolgreich! Dialog wird geschlossen. ähnelt.
+        ///   Looks up a localized string similar to Erfolgreich! Dialog wird geschlossen..
         /// </summary>
         public static string Success_FormClose {
             get {
@@ -421,7 +502,16 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Unsigniert ähnelt.
+        ///   Looks up a localized string similar to Unbestätigt.
+        /// </summary>
+        public static string Unconfirmed {
+            get {
+                return ResourceManager.GetString("Unconfirmed", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Unsigniert.
         /// </summary>
         public static string Unsigned {
             get {
@@ -430,7 +520,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Ja ähnelt.
+        ///   Looks up a localized string similar to Ja.
         /// </summary>
         public static string Yes {
             get {
@@ -439,7 +529,7 @@ namespace My.Resources {
         }
         
         /// <summary>
-        ///   Sucht eine lokalisierte Zeichenfolge, die Ja, mit Anhang ähnelt.
+        ///   Looks up a localized string similar to Ja, mit Anhang.
         /// </summary>
         public static string YesWithAttachment {
             get {

EnvelopeGenerator.Domain/Resources/Model.en.resx

@@ -132,15 +132,27 @@
   <data name="Completed" xml:space="preserve">
     <value>Completed</value>
   </data>
+  <data name="CompletelyConfirmed" xml:space="preserve">
+    <value>Completely confirmed</value>
+  </data>
   <data name="CompletelySigned" xml:space="preserve">
     <value>Completely signed</value>
   </data>
+  <data name="Confirmation" xml:space="preserve">
+    <value>Read Confirmation</value>
+  </data>
+  <data name="Confirmed" xml:space="preserve">
+    <value>Read and signed</value>
+  </data>
   <data name="Contract" xml:space="preserve">
     <value>Contract</value>
   </data>
   <data name="Created" xml:space="preserve">
     <value>Created</value>
   </data>
+  <data name="DocumentConfirmed" xml:space="preserve">
+    <value>Document read and signed</value>
+  </data>
   <data name="DocumentMod_Rotation" xml:space="preserve">
     <value>Document rotation adapted</value>
   </data>
@@ -150,6 +162,9 @@
   <data name="DocumentRejected" xml:space="preserve">
     <value>Signing rejected</value>
   </data>
+  <data name="DocumentRejectedRaC" xml:space="preserve">
+    <value>Read confirmation rejected</value>
+  </data>
   <data name="DocumentSigned" xml:space="preserve">
     <value>Document signed</value>
   </data>
@@ -159,6 +174,9 @@
   <data name="EnvelopeArchived" xml:space="preserve">
     <value>Archived</value>
   </data>
+  <data name="EnvelopeCompletelyConfirmed" xml:space="preserve">
+    <value>Completely confirmed</value>
+  </data>
   <data name="EnvelopeCompletelySigned" xml:space="preserve">
     <value>Completely signed</value>
   </data>
@@ -168,8 +186,11 @@
   <data name="EnvelopeDeleted" xml:space="preserve">
     <value>Envelope Deleted</value>
   </data>
+  <data name="EnvelopePartlyConfirmed" xml:space="preserve">
+    <value>Partially confirmed</value>
+  </data>
   <data name="EnvelopePartlySigned" xml:space="preserve">
-    <value>Partly signed</value>
+    <value>Partially signed</value>
   </data>
   <data name="EnvelopeQueued" xml:space="preserve">
     <value>Envelope Queued</value>
@@ -180,6 +201,9 @@
   <data name="EnvelopeReportCreated" xml:space="preserve">
     <value>Signature certificate created</value>
   </data>
+  <data name="EnvelopeReportCreatedRaC" xml:space="preserve">
+    <value>Read confirmartion certificate created</value>
+  </data>
   <data name="EnvelopeSaved" xml:space="preserve">
     <value>Saved</value>
   </data>
@@ -196,7 +220,7 @@
     <value>Final email sent</value>
   </data>
   <data name="MessageConfirmationSent" xml:space="preserve">
-    <value>Confirmation Sent</value>
+    <value>Finalization Confirmation Sent</value>
   </data>
   <data name="MessageDeletionSent" xml:space="preserve">
     <value>Deletion Notice Sent</value>
@@ -207,6 +231,12 @@
   <data name="No" xml:space="preserve">
     <value>No</value>
   </data>
+  <data name="PartlyConfirmed" xml:space="preserve">
+    <value>Partially confirmed</value>
+  </data>
+  <data name="PartlySigned" xml:space="preserve">
+    <value>Partially signed</value>
+  </data>
   <data name="QualifiedSignature" xml:space="preserve">
     <value>Qualified Signature</value>
   </data>
@@ -226,7 +256,7 @@
     <value>Signature</value>
   </data>
   <data name="SignatureConfirmed" xml:space="preserve">
-    <value>Signature confirmed</value>
+    <value>Finalization confirmed</value>
   </data>
   <data name="Signed" xml:space="preserve">
     <value>Signed</value>
@@ -234,6 +264,9 @@
   <data name="Success_FormClose" xml:space="preserve">
     <value>Successful! Dialog is closed.successful! Dialog is closed.</value>
   </data>
+  <data name="Unconfirmed" xml:space="preserve">
+    <value>Unconfirmed</value>
+  </data>
   <data name="Unsigned" xml:space="preserve">
     <value>Unsigned</value>
   </data>

EnvelopeGenerator.Domain/Resources/Model.resx

@@ -132,8 +132,17 @@
   <data name="Completed" xml:space="preserve">
     <value>Abgeschlossen</value>
   </data>
+  <data name="CompletelyConfirmed" xml:space="preserve">
+    <value>Vollständig bestätigt</value>
+  </data>
   <data name="CompletelySigned" xml:space="preserve">
-    <value>Vollständig Signiert</value>
+    <value>Vollständig signiert</value>
+  </data>
+  <data name="Confirmation" xml:space="preserve">
+    <value>Lesebestätigung</value>
+  </data>
+  <data name="Confirmed" xml:space="preserve">
+    <value>Gelesen und bestätigt</value>
   </data>
   <data name="Contract" xml:space="preserve">
     <value>Vertrag</value>
@@ -141,6 +150,9 @@
   <data name="Created" xml:space="preserve">
     <value>Erstellt</value>
   </data>
+  <data name="DocumentConfirmed" xml:space="preserve">
+    <value>Dokument gelesen und bestätigt</value>
+  </data>
   <data name="DocumentMod_Rotation" xml:space="preserve">
     <value>Dokument Rotation geändert</value>
   </data>
@@ -150,6 +162,9 @@
   <data name="DocumentRejected" xml:space="preserve">
     <value>Unterzeichnung abgelehnt</value>
   </data>
+  <data name="DocumentRejectedRaC" xml:space="preserve">
+    <value>Lesebestätigung abgelehnt</value>
+  </data>
   <data name="DocumentSigned" xml:space="preserve">
     <value>Dokument unterzeichnet</value>
   </data>
@@ -159,6 +174,9 @@
   <data name="EnvelopeArchived" xml:space="preserve">
     <value>Archiviert</value>
   </data>
+  <data name="EnvelopeCompletelyConfirmed" xml:space="preserve">
+    <value>Vollständig gelesen und bestätigt</value>
+  </data>
   <data name="EnvelopeCompletelySigned" xml:space="preserve">
     <value>Vollständig signiert</value>
   </data>
@@ -168,6 +186,9 @@
   <data name="EnvelopeDeleted" xml:space="preserve">
     <value>Umschlag Gelöscht</value>
   </data>
+  <data name="EnvelopePartlyConfirmed" xml:space="preserve">
+    <value>Teil-Bestätigt</value>
+  </data>
   <data name="EnvelopePartlySigned" xml:space="preserve">
     <value>Teil-Signiert</value>
   </data>
@@ -180,6 +201,9 @@
   <data name="EnvelopeReportCreated" xml:space="preserve">
     <value>Signierungszertifikat erstellt</value>
   </data>
+  <data name="EnvelopeReportCreatedRaC" xml:space="preserve">
+    <value>Lesebestätigungszertifikat erstellt</value>
+  </data>
   <data name="EnvelopeSaved" xml:space="preserve">
     <value>Gespeichert</value>
   </data>
@@ -196,7 +220,7 @@
     <value>Abschlussemail versendet</value>
   </data>
   <data name="MessageConfirmationSent" xml:space="preserve">
-    <value>Signaturbestätigung versendet</value>
+    <value>Abschlussbestätigung versendet</value>
   </data>
   <data name="MessageDeletionSent" xml:space="preserve">
     <value>Löschinformation versendet</value>
@@ -207,6 +231,9 @@
   <data name="No" xml:space="preserve">
     <value>Nein</value>
   </data>
+  <data name="PartlyConfirmed" xml:space="preserve">
+    <value>Teil-Bestätigt</value>
+  </data>
   <data name="PartlySigned" xml:space="preserve">
     <value>Teil-Signiert</value>
   </data>
@@ -214,7 +241,7 @@
     <value>Qualifizierte Signatur</value>
   </data>
   <data name="ReadAndSign" xml:space="preserve">
-    <value>Arbeitsanweisung</value>
+    <value>Lesebestätigung</value>
   </data>
   <data name="ResetTOTPUser" xml:space="preserve">
     <value>Wollen Sie die 2-Faktor Definition für diesen Empfänger zurücksetzen. Der Empfänger muss sich dann neu identifizieren!</value>
@@ -229,7 +256,7 @@
     <value>Signatur</value>
   </data>
   <data name="SignatureConfirmed" xml:space="preserve">
-    <value>Signatur bestätigt</value>
+    <value>Abschluss bestätigt</value>
   </data>
   <data name="Signed" xml:space="preserve">
     <value>Signiert</value>
@@ -237,6 +264,9 @@
   <data name="Success_FormClose" xml:space="preserve">
     <value>Erfolgreich! Dialog wird geschlossen.</value>
   </data>
+  <data name="Unconfirmed" xml:space="preserve">
+    <value>Unbestätigt</value>
+  </data>
   <data name="Unsigned" xml:space="preserve">
     <value>Unsigniert</value>
   </data>

EnvelopeGenerator.Form/Controllers/FieldEditorController.vb

@@ -8,7 +8,7 @@ Public Class FieldEditorController
     Inherits BaseController
 
     Private ReadOnly Document As Document
-    Public Property Elements As New List(Of Signature)
+    Public Property Elements As New List(Of DocReceiverElement)
 
     Public Class ElementInfo
         Public ReceiverId As Integer
@@ -36,7 +36,7 @@ Public Class FieldEditorController
         }
     End Function
 
-    Private Function GetElementByPosition(pAnnotation As AnnotationStickyNote, pPage As Integer, pReceiverId As Integer) As Signature
+    Private Function GetElementByPosition(pAnnotation As AnnotationStickyNote, pPage As Integer, pReceiverId As Integer) As DocReceiverElement
         Dim oElement = Elements.
             Where(Function(e)
                       Return e.Left = CSng(Math.Round(pAnnotation.Left, 5)) And
@@ -47,12 +47,12 @@ Public Class FieldEditorController
         Return oElement
     End Function
 
-    Private Function GetElementByGuid(pGuid As Integer) As Signature
+    Private Function GetElementByGuid(pGuid As Integer) As DocReceiverElement
         Dim oElement = Elements.Where(Function(e) pGuid = e.Id).SingleOrDefault()
         Return oElement
     End Function
 
-    Public Function GetElement(pAnnotation As AnnotationStickyNote) As Signature
+    Public Function GetElement(pAnnotation As AnnotationStickyNote) As DocReceiverElement
         Dim oInfo = GetElementInfo(pAnnotation.Tag)
 
         If oInfo.Guid = -1 Then
@@ -85,7 +85,7 @@ Public Class FieldEditorController
         Else
             Dim oInfo = GetElementInfo(pAnnotation.Tag)
 
-            Elements.Add(New Signature() With {
+            Elements.Add(New DocReceiverElement() With {
                 .ElementType = Constants.ElementType.Signature,
                 .Height = oAnnotationHeight,
                 .Width = oAnnotationWidth,
@@ -98,7 +98,7 @@ Public Class FieldEditorController
         End If
     End Sub
 
-    Public Function ClearElements(pPage As Integer, pReceiverId As Integer) As IEnumerable(Of Signature)
+    Public Function ClearElements(pPage As Integer, pReceiverId As Integer) As IEnumerable(Of DocReceiverElement)
         Return Elements.
             Where(Function(e) e.Page <> pPage And e.ReceiverId <> pReceiverId).
             ToList()
@@ -120,7 +120,7 @@ Public Class FieldEditorController
             All(Function(pResult) pResult = True)
     End Function
 
-    Public Function SaveElement(pElement As Signature) As Boolean
+    Public Function SaveElement(pElement As DocReceiverElement) As Boolean
         Try
             If pElement.Id > 0 Then
                 Return ElementModel.Update(pElement)
@@ -134,11 +134,11 @@ Public Class FieldEditorController
         End Try
     End Function
 
-    Public Function DeleteElement(pElement As Signature) As Boolean
+    Public Function DeleteElement(pElement As DocReceiverElement) As Boolean
         Try
             ' Element aus Datenbank löschen
             If ElementModel.DeleteElement(pElement) Then
-                Dim oElement = New List(Of Signature)() From {pElement}
+                Dim oElement = New List(Of DocReceiverElement)() From {pElement}
                 Elements = Elements.Except(oElement).ToList()
                 Return True
             Else

EnvelopeGenerator.Form/frmFieldEditor.vb

@@ -280,7 +280,7 @@ Partial Public Class frmFieldEditor
         End If
     End Sub
 
-    Private Sub LoadAnnotation(pElement As Signature, pReceiverId As Integer)
+    Private Sub LoadAnnotation(pElement As DocReceiverElement, pReceiverId As Integer)
         Dim oAnnotation As AnnotationStickyNote = Manager.AddStickyNoteAnnot(0, 0, 0, 0, "SIGNATUR")
         Dim oPage = pElement.Page
         Dim oReceiver = Receivers.Where(Function(r) r.Id = pReceiverId).Single()

EnvelopeGenerator.Infrastructure/DependencyInjection.cs

@@ -74,14 +74,14 @@ namespace EnvelopeGenerator.Infrastructure
             services.AddSQLExecutor<Envelope>();
             services.AddSQLExecutor<Receiver>();
             services.AddSQLExecutor<Document>();
-            services.AddSQLExecutor<Signature>();
+            services.AddSQLExecutor<DocReceiverElement>();
             services.AddSQLExecutor<DocumentStatus>();
 
             SetDapperTypeMap<Envelope>();
             SetDapperTypeMap<User>();
             SetDapperTypeMap<Receiver>();
             SetDapperTypeMap<Document>();
-            SetDapperTypeMap<Signature>();
+            SetDapperTypeMap<DocReceiverElement>();
             SetDapperTypeMap<DocumentStatus>();
 
             services.AddScoped<IEnvelopeExecutor, EnvelopeExecutor>();

EnvelopeGenerator.Infrastructure/EGDbContext.cs

@@ -45,7 +45,9 @@ public abstract class EGDbContextBase : DbContext
 
     public DbSet<Envelope> Envelopes { get; set; }
 
-    public DbSet<Signature> DocumentReceiverElements { get; set; }
+    public DbSet<DocReceiverElement> DocumentReceiverElements { get; set; }
+
+    public DbSet<ElementAnnotation> DocumentReceiverElementAnnotations { get; set; }
 
     public DbSet<DocumentStatus> DocumentStatus { get; set; }
 
@@ -152,7 +154,7 @@ public abstract class EGDbContextBase : DbContext
         #endregion EnvelopeDocument
 
         #region DocumentReceiverElement
-        modelBuilder.Entity<Signature>()
+        modelBuilder.Entity<DocReceiverElement>()
             .HasOne(dre => dre.Document)
             .WithMany(ed => ed.Elements)
             .HasForeignKey(dre => dre.DocumentId);
@@ -194,7 +196,7 @@ public abstract class EGDbContextBase : DbContext
         #endregion DocumentStatus
 
         #region Annotation
-        modelBuilder.Entity<Signature>()
+        modelBuilder.Entity<DocReceiverElement>()
             .HasMany(signature => signature.Annotations)
             .WithOne(annot => annot.Element)
             .HasForeignKey(annot => annot.ElementId);
@@ -215,7 +217,7 @@ public abstract class EGDbContextBase : DbContext
 
         // TODO: call add trigger methods with attributes and reflection
         AddTrigger<Config>();
-        AddTrigger<Signature>();
+        AddTrigger<DocReceiverElement>();
         AddTrigger<DocumentStatus>();
         AddTrigger<EmailTemplate>();
         AddTrigger<Envelope>();

EnvelopeGenerator.Infrastructure/EnvelopeGenerator.Infrastructure.csproj

@@ -25,7 +25,7 @@
     <PackageReference Include="DigitalData.Core.Abstraction.Application" Version="1.6.0" />
     <PackageReference Include="DigitalData.Core.Infrastructure" Version="2.6.1" />
     <PackageReference Include="HtmlSanitizer" Version="9.0.892" />
-    <PackageReference Include="Microsoft.Data.SqlClient" Version="6.1.4" />
+    <PackageReference Include="Microsoft.Data.SqlClient" Version="5.2.2" />
     <PackageReference Include="Microsoft.Identity.Client" Version="4.82.1" />
     <PackageReference Include="QuestPDF" Version="2025.7.1" />
     <PackageReference Include="SixLabors.ImageSharp" Version="3.1.12" />

EnvelopeGenerator.Infrastructure/Repositories/DocumentReceiverElementRepository.cs

@@ -6,7 +6,7 @@ using EnvelopeGenerator.Application.Common.Interfaces.Repositories;
 namespace EnvelopeGenerator.Infrastructure.Repositories;
 
 [Obsolete("Use IRepository")]
-public class DocumentReceiverElementRepository : CRUDRepository<Signature, int, EGDbContext>, IDocumentReceiverElementRepository
+public class DocumentReceiverElementRepository : CRUDRepository<DocReceiverElement, int, EGDbContext>, IDocumentReceiverElementRepository
 {
     public DocumentReceiverElementRepository(EGDbContext dbContext) : base(dbContext, dbContext.DocumentReceiverElements)
     {

EnvelopeGenerator.Jobs/EnvelopeGenerator.Jobs.csproj

@@ -1,26 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="BouncyCastle.Cryptography" Version="2.6.2" />
-    <PackageReference Include="HtmlSanitizer" Version="9.0.892" />
-    <PackageReference Include="Microsoft.Identity.Client" Version="4.82.1" />
-    <PackageReference Include="Quartz" Version="3.9.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.3" />
-    <PackageReference Include="Microsoft.Data.SqlClient" Version="6.1.4" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.12" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\EnvelopeGenerator.Domain\EnvelopeGenerator.Domain.csproj" />
-    <ProjectReference Include="..\EnvelopeGenerator.Infrastructure\EnvelopeGenerator.Infrastructure.csproj" />
-    <ProjectReference Include="..\EnvelopeGenerator.PdfEditor\EnvelopeGenerator.PdfEditor.csproj" />
-  </ItemGroup>
-
-</Project>

EnvelopeGenerator.Jobs/Jobs/APIBackendJobs/APIEnvelopeJob.cs

@@ -1,151 +0,0 @@
-using System.Collections.Generic;
-using System.Data;
-using System.Threading.Tasks;
-using EnvelopeGenerator.Domain.Constants;
-using Microsoft.Data.SqlClient;
-using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Logging.Abstractions;
-using Quartz;
-
-namespace EnvelopeGenerator.Jobs.APIBackendJobs;
-
-public class APIEnvelopeJob(ILogger<APIEnvelopeJob>? logger = null) : IJob
-{
-    private readonly ILogger<APIEnvelopeJob> _logger = logger ?? NullLogger<APIEnvelopeJob>.Instance;
-
-    public async Task Execute(IJobExecutionContext context)
-    {
-        var jobId = context.JobDetail.Key.ToString();
-        _logger.LogDebug("API Envelopes - Starting job {JobId}", jobId);
-
-        try
-        {
-            var connectionString = context.MergedJobDataMap.GetString(Value.DATABASE);
-            if (string.IsNullOrWhiteSpace(connectionString))
-            {
-                _logger.LogWarning("API Envelopes - Connection string missing");
-                return;
-            }
-
-            await using var connection = new SqlConnection(connectionString);
-            await connection.OpenAsync(context.CancellationToken);
-
-            await ProcessInvitationsAsync(connection, context.CancellationToken);
-            await ProcessWithdrawnAsync(connection, context.CancellationToken);
-
-            _logger.LogDebug("API Envelopes - Completed job {JobId} successfully", jobId);
-        }
-        catch (System.Exception ex)
-        {
-            _logger.LogError(ex, "API Envelopes job failed");
-        }
-        finally
-        {
-            _logger.LogDebug("API Envelopes execution for {JobId} ended", jobId);
-        }
-    }
-
-    private async Task ProcessInvitationsAsync(SqlConnection connection, System.Threading.CancellationToken cancellationToken)
-    {
-        const string sql = "SELECT GUID FROM TBSIG_ENVELOPE WHERE SOURCE = 'API' AND STATUS = 1003 ORDER BY GUID";
-        var envelopeIds = new List<int>();
-
-        await using (var command = new SqlCommand(sql, connection))
-        await using (var reader = await command.ExecuteReaderAsync(cancellationToken))
-        {
-            while (await reader.ReadAsync(cancellationToken))
-            {
-                if (reader[0] is int id)
-                {
-                    envelopeIds.Add(id);
-                }
-            }
-        }
-
-        if (envelopeIds.Count == 0)
-        {
-            _logger.LogDebug("SendInvMail - No envelopes found");
-            return;
-        }
-
-        _logger.LogInformation("SendInvMail - Found {Count} envelopes", envelopeIds.Count);
-        var total = envelopeIds.Count;
-        var current = 1;
-
-        foreach (var id in envelopeIds)
-        {
-            _logger.LogInformation("SendInvMail - Processing Envelope {EnvelopeId} ({Current}/{Total})", id, current, total);
-            try
-            {
-                // Placeholder for invitation email sending logic.
-                _logger.LogDebug("SendInvMail - Marking envelope {EnvelopeId} as queued", id);
-                const string updateSql = "UPDATE TBSIG_ENVELOPE SET CURRENT_WORK_APP = @App WHERE GUID = @Id";
-                await using var updateCommand = new SqlCommand(updateSql, connection);
-                updateCommand.Parameters.AddWithValue("@App", "signFLOW_API_EnvJob_InvMail");
-                updateCommand.Parameters.AddWithValue("@Id", id);
-                await updateCommand.ExecuteNonQueryAsync(cancellationToken);
-            }
-            catch (System.Exception ex)
-            {
-                _logger.LogWarning(ex, "SendInvMail - Unhandled exception while working envelope {EnvelopeId}", id);
-            }
-
-            current++;
-            _logger.LogInformation("SendInvMail - Envelope finalized");
-        }
-    }
-
-    private async Task ProcessWithdrawnAsync(SqlConnection connection, System.Threading.CancellationToken cancellationToken)
-    {
-        const string sql = @"SELECT ENV.GUID, REJ.COMMENT AS REJECTION_REASON FROM 
-                (SELECT * FROM TBSIG_ENVELOPE WHERE STATUS = 1009 AND SOURCE = 'API') ENV INNER JOIN
-                (SELECT MAX(GUID) GUID, ENVELOPE_ID, MAX(ADDED_WHEN) ADDED_WHEN, MAX(ACTION_DATE) ACTION_DATE, COMMENT FROM TBSIG_ENVELOPE_HISTORY WHERE STATUS = 1009 GROUP BY ENVELOPE_ID, COMMENT ) REJ ON ENV.GUID = REJ.ENVELOPE_ID LEFT JOIN
-                (SELECT * FROM TBSIG_ENVELOPE_HISTORY WHERE STATUS = 3004 ) M_Send ON ENV.GUID = M_Send.ENVELOPE_ID
-                WHERE M_Send.GUID IS NULL";
-
-        var withdrawn = new List<(int EnvelopeId, string Reason)>();
-        await using (var command = new SqlCommand(sql, connection))
-        await using (var reader = await command.ExecuteReaderAsync(cancellationToken))
-        {
-            while (await reader.ReadAsync(cancellationToken))
-            {
-                var id = reader.GetInt32(0);
-                var reason = reader.IsDBNull(1) ? string.Empty : reader.GetString(1);
-                withdrawn.Add((id, reason));
-            }
-        }
-
-        if (withdrawn.Count == 0)
-        {
-            _logger.LogDebug("WithdrawnEnv - No envelopes found");
-            return;
-        }
-
-        _logger.LogInformation("WithdrawnEnv - Found {Count} envelopes", withdrawn.Count);
-        var total = withdrawn.Count;
-        var current = 1;
-
-        foreach (var (envelopeId, reason) in withdrawn)
-        {
-            _logger.LogInformation("WithdrawnEnv - Processing Envelope {EnvelopeId} ({Current}/{Total})", envelopeId, current, total);
-            try
-            {
-                // Log withdrawn mail trigger placeholder
-                const string insertHistory = "INSERT INTO TBSIG_ENVELOPE_HISTORY (ENVELOPE_ID, STATUS, USER_REFERENCE, ADDED_WHEN, ACTION_DATE, COMMENT) VALUES (@EnvelopeId, @Status, @UserReference, GETDATE(), GETDATE(), @Comment)";
-                await using var insertCommand = new SqlCommand(insertHistory, connection);
-                insertCommand.Parameters.AddWithValue("@EnvelopeId", envelopeId);
-                insertCommand.Parameters.AddWithValue("@Status", 3004);
-                insertCommand.Parameters.AddWithValue("@UserReference", "API");
-                insertCommand.Parameters.AddWithValue("@Comment", reason ?? string.Empty);
-                await insertCommand.ExecuteNonQueryAsync(cancellationToken);
-            }
-            catch (System.Exception ex)
-            {
-                _logger.LogWarning(ex, "WithdrawnEnv - Unhandled exception while working envelope {EnvelopeId}", envelopeId);
-            }
-
-            current++;
-            _logger.LogInformation("WithdrawnEnv - Envelope finalized");
-        }
-    }
-}

EnvelopeGenerator.Jobs/Jobs/DataRowExtensions.cs

@@ -1,30 +0,0 @@
-using System;
-using System.Data;
-
-namespace EnvelopeGenerator.Jobs;
-
-public static class DataRowExtensions
-{
-    public static T? GetValueOrDefault<T>(this DataRow row, string columnName, T? defaultValue = default)
-    {
-        if (!row.Table.Columns.Contains(columnName))
-        {
-            return defaultValue;
-        }
-
-        var value = row[columnName];
-        if (value == DBNull.Value)
-        {
-            return defaultValue;
-        }
-
-        try
-        {
-            return (T)Convert.ChangeType(value, typeof(T));
-        }
-        catch
-        {
-            return defaultValue;
-        }
-    }
-}

EnvelopeGenerator.Jobs/Jobs/FinalizeDocument/FinalizeDocumentExceptions.cs

@@ -1,28 +0,0 @@
-namespace EnvelopeGenerator.Jobs.FinalizeDocument;
-
-public static class FinalizeDocumentExceptions
-{
-    public class MergeDocumentException : ApplicationException
-    {
-        public MergeDocumentException(string message) : base(message) { }
-        public MergeDocumentException(string message, Exception innerException) : base(message, innerException) { }
-    }
-
-    public class BurnAnnotationException : ApplicationException
-    {
-        public BurnAnnotationException(string message) : base(message) { }
-        public BurnAnnotationException(string message, Exception innerException) : base(message, innerException) { }
-    }
-
-    public class CreateReportException : ApplicationException
-    {
-        public CreateReportException(string message) : base(message) { }
-        public CreateReportException(string message, Exception innerException) : base(message, innerException) { }
-    }
-
-    public class ExportDocumentException : ApplicationException
-    {
-        public ExportDocumentException(string message) : base(message) { }
-        public ExportDocumentException(string message, Exception innerException) : base(message, innerException) { }
-    }
-}