后台交互优化：移除系统/插件定时页按表重载按钮

- 系统定时任务页面移除按表重载按钮，保留刷新按钮\n- 插件定时任务页面移除按表重载按钮，保留刷新按钮\n- 清理前端未使用的 reload 方法，避免误导用户\n- 说明：保存配置后已自动重载到运行时，手动重载接口保留用于运维兜底

admin/dashboard/templates/plugin_schedules.html

@@ -11,7 +11,6 @@
             <p>统一管理插件的定时动作配置（如秀人群发），支持按群范围执行、立即触发与执行日志追踪。</p>
         </div>
         <div class="page-hero-actions">
-            <el-button type="primary" plain @click="reloadSchedules">按表重载</el-button>
             <el-button type="success" @click="loadSchedules">刷新</el-button>
         </div>
     </div>
@@ -305,15 +304,6 @@ new Vue({
                 this.logs = resp.data.data || []
                 this.logsDialogVisible = true
             }
-        },
-        async reloadSchedules() {
-            const resp = await axios.post('/plugin_schedules/api/reload')
-            if (resp.data.success) {
-                this.$message.success(resp.data.message || '重载成功')
-                await this.loadSchedules()
-            } else {
-                this.$message.error(resp.data.message || '重载失败')
-            }
         }
     }
 })

admin/dashboard/templates/system_jobs.html

@@ -11,7 +11,6 @@
             <p>任务配置存储在数据库表 `t_system_jobs`，支持在线启停、调度调整、手动触发与执行日志查看。</p>
         </div>
         <div class="page-hero-actions">
-            <el-button type="primary" plain @click="reloadFromDB">按表重载</el-button>
             <el-button type="success" @click="loadJobs">刷新</el-button>
         </div>
     </div>
@@ -255,19 +254,6 @@ new Vue({
             } catch (e) {
                 this.$message.error('加载日志失败');
             }
-        },
-        async reloadFromDB() {
-            try {
-                const resp = await axios.post('/system_jobs/api/reload');
-                if (resp.data.success) {
-                    this.$message.success(resp.data.message || '重载成功');
-                    await this.loadJobs();
-                } else {
-                    this.$message.error(resp.data.message || '重载失败');
-                }
-            } catch (e) {
-                this.$message.error('重载失败');
-            }
         }
     }
 });