fix: reload task data when switching management tabs

Tabs only updated the query view and never re-fetched, so plans,
executions and routes stayed stale until full remount.

src/views/TasksView/TasksView.vue

@@ -390,11 +390,24 @@ const recordColumns = [
 
 watch(
   () => route.query.view,
-  (v) => { if (v) view.value = v }
+  (v) => {
+    if (v && v !== view.value) view.value = String(v)
+  },
 )
 
+// tab 切换只改 query 时组件不重建，需主动刷新列表
+watch(view, (v, prev) => {
+  if (!v || v === prev) return
+  const next = String(v)
+  if (route.query.view !== next) {
+    router.push({ name: 'tasks', query: { view: next } })
+  }
+  load()
+})
+
 function setView(v) {
-  router.push({ name: 'tasks', query: { view: v } })
+  if (v == null || v === '') return
+  view.value = String(v)
 }
 
 const TASK_STATUS = {