fix: add close button to TaskModal

src/components/TaskModal.tsx

@@ -124,6 +124,7 @@ export default function TaskModal({ task, projectId, projectSlug, onClose, onUpd
       >
         {/* Header */}
         <div className="p-4 md:p-6 border-b border-[var(--border)]">
+          <div className="flex items-start justify-between gap-2 mb-1">
           {editingTitle ? (
             <input
               autoFocus
@@ -147,7 +148,15 @@ export default function TaskModal({ task, projectId, projectSlug, onClose, onUpd
               {title}
             </h2>
           )}
-          <div className="text-xs text-[var(--muted)] mt-1">{task.key}</div>
+            <button
+              onClick={onClose}
+              className="text-[var(--muted)] hover:text-[var(--fg)] transition-colors text-xl leading-none cursor-pointer shrink-0 mt-1"
+              title="Закрыть"
+            >
+              ✕
+            </button>
+          </div>
+          <div className="text-xs text-[var(--muted)]">{task.key}</div>
         </div>
 
         <div className="flex flex-col md:flex-row">