fix: лого SVG, убран Добавить (onchange), create_contract возвращает id, JS без лишнего GET

site/templates/upload.html

@@ -107,10 +107,7 @@
       </div>
       <div class="card-body">
         <div class="form-row">
-          <input type="file" id="fileInput" accept=".docx,.doc,.pdf,.zip" multiple style="height:36px;">
-          <button class="btn btn-primary" onclick="addFiles()">
-            <i data-lucide="plus" style="width:16px;height:16px;"></i> Добавить
-          </button>
+          <input type="file" id="fileInput" accept=".docx,.doc,.pdf,.zip" multiple style="height:36px;" onchange="addFiles()">
         </div>
         <div class="queue" id="queue"></div>
         <div class="queue-empty" id="queueEmpty">Нет добавленных файлов</div>
@@ -197,8 +194,9 @@
         method: 'POST', headers: {'Content-Type': 'application/json'},
         body: JSON.stringify({number: 'б/н ' + new Date().toISOString().slice(0,10)}),
       });
-      const listResp = await fetch('/api/contracts');
-      contractId = (await listResp.json()).contracts[0].id;
+      const data = await resp.json();
+      if (!resp.ok || !data.id) throw new Error(data.error || 'no id');
+      contractId = data.id;
     } catch (e) {
       resultsBody.innerHTML = '<div class="error-box">❌ ' + e.message + '</div>';
       resetBtn(); return;