Fix calendar filter, module triggers, API cleanup, consolidate get_current_admin, fix LLM schema

platform/frontend/topics.html

@@ -138,7 +138,7 @@
                 <el-button type="primary" @click="confirmPublish" :loading="publishing" :disabled="!publishPlatforms.zhihu && !publishPlatforms.wechat && !publishPlatforms.xiaohongshu">确认发布</el-button>
             </template>
         </el-dialog>
-        <el-dialog v-model="previewVisible" title="选题预览" width="85%" :modal-props="{ closeOnClickModal: false }" :before-close="() => previewVisible = false" class="preview-dialog-custom" :fullscreen="previewFullscreen" close-on-press-escape>
+        <el-dialog v-model="previewVisible" title="选题预览" width="85%" :modal-props="{ closeOnClickModal: false }" :before-close="() => previewVisible = false" class="preview-dialog-custom" :fullscreen="previewFullscreen" close-on-press-escape :lock-scroll="false">
             <div v-if="previewTopic">
                 <div style="display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:8px;">
                     <h2 style="margin:0; font-size:16px;">{{ previewTopic.title }}</h2>