fix: remove dead code, add ZodError handling, fix NaN pagination, add like routes, fix schemesCount sync

src/routes/schemesAob.ts

@@ -12,7 +12,9 @@ router.get('/', optionalAuth, async (req: Request, res: Response) => {
   try {
     const { page = 1, limit = 20, weapon, category, sort = 'newest' } = req.query;
     
-    const skip = (Number(page) - 1) * Number(limit);
+    const pageNum = Math.max(1, parseInt(String(page)) || 1);
+    const limitNum = Math.min(100, Math.max(1, parseInt(String(limit)) || 20));
+    const skip = (pageNum - 1) * limitNum;
     
     const where: any = { status: 'PUBLISHED' };
     if (weapon) where.weaponName = { contains: String(weapon) };
@@ -111,6 +113,11 @@ router.post('/', authMiddleware, async (req: Request, res: Response) => {
       },
     });
     
+    await prisma.user.update({
+      where: { id: req.user!.userId },
+      data: { schemesCount: { increment: 1 } },
+    });
+    
     res.json({ success: true, message: '方案创建成功', data: scheme });
   } catch (error) {
     console.error('Create scheme_aob error:', error);
@@ -118,4 +125,41 @@ router.post('/', authMiddleware, async (req: Request, res: Response) => {
   }
 });
 
+// ============================================
+// 删除方案
+// ============================================
+router.delete('/:id', authMiddleware, async (req: Request, res: Response) => {
+  try {
+    const { id } = req.params;
+
+    const scheme = await prisma.schemeAob.findUnique({
+      where: { id },
+      select: { userId: true },
+    });
+
+    if (!scheme) {
+      return res.status(404).json({ success: false, message: '方案不存在' });
+    }
+
+    if (scheme.userId !== req.user!.userId) {
+      return res.status(403).json({ success: false, message: '无权删除此方案' });
+    }
+
+    await prisma.schemeAob.update({
+      where: { id },
+      data: { status: 'DELETED' },
+    });
+
+    await prisma.user.update({
+      where: { id: req.user!.userId },
+      data: { schemesCount: { decrement: 1 } },
+    });
+
+    res.json({ success: true, message: '方案已删除' });
+  } catch (error) {
+    console.error('Delete scheme_aob error:', error);
+    res.status(500).json({ success: false, message: '删除失败' });
+  }
+});
+
 export default router;