feat(halo): 新增文章搜索和导出功能

- 添加文章搜索命令，支持按关键词筛选和发布状态过滤
- 新增文章导出功能，支持导出为 Markdown 和 JSON 格式
- 扩展国际化配置，添加相关翻译文本
- 更新功能增强计划文档，标记已完成功能
- 移除不再需要的下载信息和插件清单文件

obsidian-halo/src/main.ts

@@ -6,6 +6,8 @@ import { openPostSelectionModal } from "./post-selection-model";
 import { importFromMarkdownFile } from "./commands/import-markdown";
 import { deletePost } from "./commands/delete-post";
 import { manageTags, manageCategories } from "./commands/manage-taxonomy";
+import { exportPostAsMarkdown, exportPostAsJson } from "./commands/export-post";
+import { searchPosts } from "./commands/search-posts";
 import { DEFAULT_SETTINGS, type HaloSetting, HaloSettingTab, type HaloSite } from "./settings";
 import HaloService from "./service";
 import { openSiteSelectionModal } from "./site-selection-modal";
@@ -141,6 +143,44 @@ export default class HaloPlugin extends Plugin {
       },
     });
 
+    this.addCommand({
+      id: "search-posts",
+      name: i18next.t("command.search_posts.name"),
+      callback: async () => {
+        await searchPosts(this);
+      },
+    });
+
+    this.addCommand({
+      id: "export-post-as-markdown",
+      name: i18next.t("command.export_markdown.name"),
+      editorCallback: async () => {
+        const { activeEditor } = this.app.workspace;
+        if (!activeEditor || !activeEditor.file) return;
+        const matterData = this.app.metadataCache.getFileCache(activeEditor.file)?.frontmatter;
+        if (!matterData?.halo?.name) {
+          new Notice(i18next.t("command.export_markdown.error_not_published"));
+          return;
+        }
+        await exportPostAsMarkdown(this, matterData.halo.name, matterData.title || activeEditor.file.basename);
+      },
+    });
+
+    this.addCommand({
+      id: "export-post-as-json",
+      name: i18next.t("command.export_json.name"),
+      editorCallback: async () => {
+        const { activeEditor } = this.app.workspace;
+        if (!activeEditor || !activeEditor.file) return;
+        const matterData = this.app.metadataCache.getFileCache(activeEditor.file)?.frontmatter;
+        if (!matterData?.halo?.name) {
+          new Notice(i18next.t("command.export_json.error_not_published"));
+          return;
+        }
+        await exportPostAsJson(this, matterData.halo.name, matterData.title || activeEditor.file.basename);
+      },
+    });
+
     this.addSettingTab(new HaloSettingTab(this));
   }