feat: 缺失文件扫描支持清理并发布 v2.1.1

src/ui/views/library.js

@@ -84,9 +84,39 @@ const Library = (() => {
     btn.disabled = true;
     btn.textContent = '扫描中...';
     const r = await window.api.library.scan();
-    btn.textContent = r.ok && r.data && r.data.added ? `新增 ${r.data.added} 本 ✓` : '已是最新 ✓';
+    if (!r || !r.ok) {
+      btn.textContent = '扫描失败';
+      await confirmModal('扫描失败', (r && r.error) || '未知错误');
+      setTimeout(() => { btn.textContent = '重新扫描'; btn.disabled = false; }, 2000);
+      return;
+    }
+    btn.textContent = r.data && r.data.added ? `新增 ${r.data.added} 本 ✓` : '已是最新 ✓';
     dirty = true;
     await refresh(true);
+    const missing = Math.max(0, Number((r.data || {}).missing) || 0);
+    if (missing) {
+      const clean = await confirmModal(
+        '发现文件缺失',
+        `扫描发现 ${missing} 条书库内容的文件均已缺失，是否从书库中清理这些条目？不再被其他书籍使用的对应分类和标签也会一并清理；笔记、书签、进度和标注会保留。`
+      );
+      if (clean) {
+        const removed = await window.api.library.removeMissing();
+        if (!removed || !removed.ok) {
+          await confirmModal('清理失败', (removed && removed.error) || '未知错误');
+        } else {
+          const count = Math.max(0, Number((removed.data || {}).removed) || 0);
+          const shelvesRemoved = Math.max(0, Number((removed.data || {}).shelvesRemoved) || 0);
+          const tagsRemoved = Math.max(0, Number((removed.data || {}).tagsRemoved) || 0);
+          const extras = [
+            shelvesRemoved ? `${shelvesRemoved} 个分类` : '',
+            tagsRemoved ? `${tagsRemoved} 个标签` : ''
+          ].filter(Boolean);
+          btn.textContent = `已清理 ${count} 条${extras.length ? `、${extras.join('、')}` : ''} ✓`;
+          dirty = true;
+          await refresh(true);
+        }
+      }
+    }
     setTimeout(() => { btn.textContent = '重新扫描'; btn.disabled = false; }, 2000);
   }