优化: drainQueue并发互斥+deep watch指纹+前端打磨

src/views/Tasks.vue

@@ -825,7 +825,8 @@ function openCreateModal(parent?: TaskRecord) {
 }
 
 async function confirmCreate() {
-  if (!newTaskTitle.value.trim() || !newTaskProjectId.value) return
+  if (!newTaskProjectId.value) { alert('请选择项目'); return }
+  if (!newTaskTitle.value.trim()) return
   submitting.value = true
   try {
     const r = await store.createTask({
@@ -866,6 +867,10 @@ watch(sortBy, () => {
 
 // Ctrl+N 新建 / Ctrl+F 搜索(桌面快捷键)
 function onKeydown(e: KeyboardEvent) {
+  if (e.key === 'Escape' && showCreateModal.value) {
+    showCreateModal.value = false
+    return
+  }
   if ((e.ctrlKey || e.metaKey) && e.key === 'n') {
     e.preventDefault()
     openCreateModal()
@@ -1314,12 +1319,11 @@ onUnmounted(() => {
 }
 /* 迷你进度条(细条渐变填充,宽度=完成子任务百分比) */
 .mini-progress {
-  width: 72px;
+  flex: 1;
   height: 4px;
   background: var(--df-border);
   border-radius: var(--df-radius-xs);
   overflow: hidden;
-  flex-shrink: 0;
 }
 .mini-progress-fill {
   height: 100%;