add company stamp upload functionality for contract signing

- Introduced StampUpload component for uploading company stamp images.
- Integrated stamp upload in contract signing modal, supporting PNG and JPG formats.
- Implemented validation for file type and size (max 5 MB).
- Added visual feedback for drag-and-drop functionality.
- Updated contract-related pages to handle duplicate contract alerts and pricing notices.
- Enhanced contract expiry management with a nightly sweep service.
- Added unit tests for new features and updated existing tests for contract handling.

apps/edr-freight-api/src/contracts/contract-document-view-model.builder.ts

@@ -30,6 +30,8 @@ export interface ContractDocumentSignatureView {
   signerDisplayName: string;
   signedAt: string;
   signatureImageUrl?: string | null;
+  /** Company stamp/seal; rendered next to the signature when present. */
+  stampImageUrl?: string | null;
 }
 
 /** A single unit-rate row on the contract PDF — price per unit, NO total. */
@@ -208,6 +210,7 @@ export class ContractDocumentViewModelBuilder {
       signerDisplayName: row.signerDisplayName,
       signedAt: this.formatDate(row.signedAt),
       signatureImageUrl: row.signatureFile?.url ?? null,
+      stampImageUrl: row.stampFile?.url ?? null,
     };
   }
 

apps/edr-freight-api/src/contracts/templates/_partials/signatures_block.hbs

@@ -11,6 +11,12 @@
     <p class="sig-line"><strong>Name:</strong> {{signerDisplayName}}</p>
     <p class="sig-meta"><strong>Role:</strong> Authorized EDR representative</p>
     <p class="sig-meta"><strong>Date:</strong> {{signedAt}}</p>
+    {{#if stampImageUrl}}
+    <div class="sig-stamp">
+      <span class="sig-stamp-label">Company stamp</span>
+      <div class="sig-stamp-box"><img src="{{stampImageUrl}}" alt="Service provider stamp" /></div>
+    </div>
+    {{/if}}
     {{/if}}
     {{/each}}
     {{else}}
@@ -32,6 +38,12 @@
     <p class="sig-line"><strong>Name:</strong> {{signerDisplayName}}</p>
     <p class="sig-meta"><strong>Role:</strong> Authorized client representative</p>
     <p class="sig-meta"><strong>Date:</strong> {{signedAt}}</p>
+    {{#if stampImageUrl}}
+    <div class="sig-stamp">
+      <span class="sig-stamp-label">Company stamp</span>
+      <div class="sig-stamp-box"><img src="{{stampImageUrl}}" alt="Client stamp" /></div>
+    </div>
+    {{/if}}
     {{/if}}
     {{/each}}
     {{else}}

apps/edr-freight-api/src/contracts/templates/_partials/styles.hbs

@@ -372,25 +372,30 @@
     font-size: 9pt;
     margin: 4px 0;
   }
-
-  /* ── Witnesses ────────────────────────────────────────────────────────── */
-  .witnesses { margin-top: 20px; }
-  .witness-table {
-    font-size: 9.5pt;
-    margin-top: 6px;
+  .sig-stamp {
+    margin-top: 12px;
   }
-  .witness-table th,
-  .witness-table td {
-    border-bottom: 1px solid #c9e4d9;
-    padding: 9px 8px;
-    text-align: left;
-  }
-  .witness-table th {
+  .sig-stamp-label {
     color: #0e5b45;
     font-family: Arial, sans-serif;
-    font-size: 8.5pt;
+    font-size: 7.5pt;
+    font-weight: 700;
+    letter-spacing: 0.4pt;
     text-transform: uppercase;
   }
+  .sig-stamp-box {
+    align-items: center;
+    display: flex;
+    height: 30mm;
+    justify-content: center;
+    margin-top: 5px;
+  }
+  .sig-stamp-box img {
+    display: block;
+    max-height: 30mm;
+    max-width: 45mm;
+    mix-blend-mode: multiply;
+  }
 
   @media print {
     body { background: #fff; }

apps/edr-freight-api/src/contracts/templates/edr-dynamic.hbs

@@ -147,19 +147,6 @@
         authorized to sign and execute this Contract Agreement.
       </p>
       {{> signatures_block}}
-
-      <div class="witnesses">
-        <p class="sig-title">Witnesses</p>
-        <table class="witness-table">
-          <thead>
-            <tr><th></th><th>Name</th><th>Signature</th><th>Date</th></tr>
-          </thead>
-          <tbody>
-            <tr><td>1.</td><td></td><td></td><td></td></tr>
-            <tr><td>2.</td><td></td><td></td><td></td></tr>
-          </tbody>
-        </table>
-      </div>
     </section>
   </main>
 </body>