feat: 定时任务页面 UI 优化

1. 脚本编辑：增加全屏编辑按钮，打开大弹窗编辑
2. 执行时间：改为时间选择器 + 标签方式，支持可视化添加多个时间点
3. 任务参数：改为 Key-Value 表格形式，支持添加/删除，更直观

frontend/src/views/scheduled-tasks/index.vue

@@ -97,9 +97,17 @@ const testLoading = ref(false)
 const testResult = ref(null)
 const testParams = ref('{}')
 
-// 参数编辑
+// 参数编辑（key-value-remark 列表）
 const paramsDialogVisible = ref(false)
 const paramsJson = ref('{}')
+const paramsList = ref([])  // [{key: '', value: '', remark: ''}]
+
+// 脚本全屏编辑
+const scriptDialogVisible = ref(false)
+const scriptContent = ref('')
+
+// 时间点选择
+const newTimePoint = ref('09:00')
 
 // 计算属性
 const timePointsStr = computed({
@@ -382,18 +390,63 @@ function showTestDialog() {
 }
 
 function showParamsDialog() {
-  paramsJson.value = JSON.stringify(form.input_params || {}, null, 2)
+  // 将 input_params 转换为列表格式
+  const params = form.input_params || {}
+  paramsList.value = Object.entries(params).map(([key, val]) => {
+    if (typeof val === 'object' && val !== null && 'value' in val) {
+      return { key, value: val.value, remark: val.remark || '' }
+    }
+    return { key, value: val, remark: '' }
+  })
+  if (paramsList.value.length === 0) {
+    paramsList.value.push({ key: '', value: '', remark: '' })
+  }
   paramsDialogVisible.value = true
 }
 
+function addParam() {
+  paramsList.value.push({ key: '', value: '', remark: '' })
+}
+
+function removeParam(index) {
+  paramsList.value.splice(index, 1)
+}
+
 function saveParams() {
-  try {
+  // 将列表转换为对象
-    form.input_params = JSON.parse(paramsJson.value)
+  const params = {}
+  for (const item of paramsList.value) {
+    if (item.key) {
+      params[item.key] = item.value
+    }
+  }
+  form.input_params = params
   paramsDialogVisible.value = false
   ElMessage.success('参数已保存')
-  } catch (e) {
-    ElMessage.error('JSON 格式错误')
 }
+
+// 脚本全屏编辑
+function showScriptDialog() {
+  scriptContent.value = form.script_content
+  scriptDialogVisible.value = true
+}
+
+function saveScript() {
+  form.script_content = scriptContent.value
+  scriptDialogVisible.value = false
+  ElMessage.success('脚本已保存')
+}
+
+// 时间点管理
+function addTimePoint() {
+  if (newTimePoint.value && !form.time_points.includes(newTimePoint.value)) {
+    form.time_points.push(newTimePoint.value)
+    form.time_points.sort()
+  }
+}
+
+function removeTimePoint(index) {
+  form.time_points.splice(index, 1)
 }
 
 function getTenantName(tenantId) {
@@ -547,8 +600,31 @@ onMounted(() => {
         
         <!-- 调度配置 -->
         <el-form-item v-if="form.schedule_type === 'simple'" label="执行时间">
-          <el-input v-model="timePointsStr" placeholder="09:00, 12:00, 18:00" />
+          <div class="time-points-container">
-          <div class="form-tip">多个时间点用逗号分隔，格式: HH:MM</div>
+            <div class="time-points-list">
+              <el-tag
+                v-for="(tp, idx) in form.time_points"
+                :key="idx"
+                closable
+                @close="removeTimePoint(idx)"
+                style="margin-right: 8px; margin-bottom: 8px"
+              >
+                {{ tp }}
+              </el-tag>
+            </div>
+            <div class="time-points-add">
+              <el-time-select
+                v-model="newTimePoint"
+                start="00:00"
+                step="00:30"
+                end="23:30"
+                placeholder="选择时间"
+                style="width: 120px"
+              />
+              <el-button type="primary" size="small" @click="addTimePoint">添加</el-button>
+            </div>
+          </div>
+          <div class="form-tip">点击添加按钮增加执行时间点</div>
         </el-form-item>
         <el-form-item v-else label="CRON表达式">
           <el-input v-model="form.cron_expression" placeholder="0 9 * * *" />
@@ -574,28 +650,35 @@ onMounted(() => {
             <div class="script-editor-container">
               <div class="script-toolbar">
                 <el-button size="small" @click="handleShowSdkDocs">SDK 文档</el-button>
+                <el-button size="small" @click="showScriptDialog">
+                  <el-icon><FullScreen /></el-icon>
+                  全屏编辑
+                </el-button>
                 <el-button size="small" type="primary" @click="showTestDialog">测试运行</el-button>
               </div>
               <el-input
                 v-model="form.script_content"
                 type="textarea"
-                :rows="15"
+                :rows="12"
                 placeholder="Python 脚本"
                 class="script-textarea"
               />
             </div>
           </el-form-item>
-          <el-form-item label="超时时间">
-            <el-input-number v-model="form.script_timeout" :min="10" :max="3600" />
-            <span style="margin-left: 8px; color: #999">秒</span>
-          </el-form-item>
         </template>
         
         <!-- 任务参数 -->
         <el-form-item label="任务参数">
           <div class="params-preview">
-            <code>{{ JSON.stringify(form.input_params) }}</code>
+            <div v-if="Object.keys(form.input_params || {}).length === 0" style="color: #999">
-            <el-button size="small" @click="showParamsDialog">编辑参数</el-button>
+              暂无参数
+            </div>
+            <div v-else class="params-tags">
+              <el-tag v-for="(val, key) in form.input_params" :key="key" style="margin-right: 8px">
+                {{ key }}: {{ String(val).substring(0, 20) }}{{ String(val).length > 20 ? '...' : '' }}
+              </el-tag>
+            </div>
+            <el-button size="small" type="primary" @click="showParamsDialog">编辑参数</el-button>
           </div>
           <div class="form-tip">脚本中使用 get_param('key') 获取</div>
         </el-form-item>
@@ -800,16 +883,66 @@ onMounted(() => {
     </el-dialog>
     
     <!-- 参数编辑对话框 -->
-    <el-dialog v-model="paramsDialogVisible" title="编辑任务参数" width="600px">
+    <el-dialog v-model="paramsDialogVisible" title="编辑任务参数" width="700px">
-      <el-input v-model="paramsJson" type="textarea" :rows="15" placeholder='{"prompt": "...", "history_days": 30}' />
+      <div class="params-table">
-      <div class="form-tip" style="margin-top: 8px">
+        <el-table :data="paramsList" style="width: 100%">
-        JSON 格式，脚本中使用 get_param('key') 获取
+          <el-table-column label="参数名" width="150">
+            <template #default="{ row }">
+              <el-input v-model="row.key" placeholder="key" size="small" />
+            </template>
+          </el-table-column>
+          <el-table-column label="参数值" min-width="200">
+            <template #default="{ row }">
+              <el-input v-model="row.value" placeholder="value" size="small" />
+            </template>
+          </el-table-column>
+          <el-table-column label="备注" width="150">
+            <template #default="{ row }">
+              <el-input v-model="row.remark" placeholder="备注" size="small" />
+            </template>
+          </el-table-column>
+          <el-table-column label="操作" width="70" fixed="right">
+            <template #default="{ $index }">
+              <el-button type="danger" link size="small" @click="removeParam($index)">删除</el-button>
+            </template>
+          </el-table-column>
+        </el-table>
+        <div style="margin-top: 12px">
+          <el-button size="small" @click="addParam">
+            <el-icon><Plus /></el-icon>
+            添加参数
+          </el-button>
+        </div>
+      </div>
+      <div class="form-tip" style="margin-top: 12px">
+        脚本中使用 <code>get_param('key')</code> 或 <code>get_param('key', '默认值')</code> 获取参数
       </div>
       <template #footer>
         <el-button @click="paramsDialogVisible = false">取消</el-button>
         <el-button type="primary" @click="saveParams">保存</el-button>
       </template>
     </el-dialog>
+    
+    <!-- 脚本全屏编辑对话框 -->
+    <el-dialog v-model="scriptDialogVisible" title="编辑脚本" width="90%" top="3vh" :close-on-click-modal="false">
+      <div class="script-fullscreen-toolbar">
+        <el-button size="small" @click="handleShowSdkDocs">SDK 文档</el-button>
+        <span style="color: #999; font-size: 12px; margin-left: 12px">
+          提示: 内置模块无需 import，直接使用 datetime.now()、json.dumps() 等
+        </span>
+      </div>
+      <el-input
+        v-model="scriptContent"
+        type="textarea"
+        :rows="30"
+        placeholder="Python 脚本"
+        class="script-textarea-fullscreen"
+      />
+      <template #footer>
+        <el-button @click="scriptDialogVisible = false">取消</el-button>
+        <el-button type="primary" @click="saveScript">保存脚本</el-button>
+      </template>
+    </el-dialog>
   </div>
 </template>
 
@@ -866,24 +999,49 @@ onMounted(() => {
   line-height: 1.5;
 }
 
+.script-textarea-fullscreen :deep(textarea) {
+  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
+  font-size: 14px;
+  line-height: 1.6;
+}
+
+.script-fullscreen-toolbar {
+  display: flex;
+  align-items: center;
+  margin-bottom: 12px;
+}
+
+.time-points-container {
+  width: 100%;
+}
+
+.time-points-list {
+  min-height: 32px;
+  margin-bottom: 8px;
+}
+
+.time-points-add {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+}
+
 .params-preview {
   display: flex;
   align-items: center;
   gap: 12px;
+  flex-wrap: wrap;
 }
 
-.params-preview code {
+.params-tags {
   flex: 1;
-  padding: 8px 12px;
-  background: #f5f7fa;
-  border-radius: 4px;
-  font-size: 12px;
-  max-width: 400px;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
 }
 
+.params-table {
+  min-height: 200px;
+}
+
+
 .output-preview, .error-preview {
   cursor: pointer;
   font-size: 12px;