Fixed commit date issue on JSON upload

bicorder-app/src/components/ExportControls.svelte

@@ -74,6 +74,10 @@
       const jsonContent = JSON.stringify(data, null, 2);
       const base64Content = btoa(unescape(encodeURIComponent(jsonContent)));
 
+      // Get current timestamp for commit
+      const now = new Date();
+      const commitDate = now.toISOString();
+
       // Upload to Gitea
       const response = await fetch(
         `${GITEA_API_URL}/repos/${REPO_OWNER}/${REPO_NAME}/contents/${filepath}`,
@@ -89,6 +93,10 @@
             content: base64Content,
             message: commitMessage,
             branch: 'main',
+            dates: {
+              author: commitDate,
+              committer: commitDate,
+            },
           }),
         }
       );