Hardcover API support

src/app/api/user/hardcover-shelves/[id]/route.ts

@@ -0,0 +1,55 @@
+/**
+ * Component: Hardcover Shelf Delete Route
+ * Documentation: documentation/backend/services/hardcover-sync.md
+ */
+
+import { NextRequest, NextResponse } from 'next/server';
+import { requireAuth, AuthenticatedRequest } from '@/lib/middleware/auth';
+import { prisma } from '@/lib/db';
+import { RMABLogger } from '@/lib/utils/logger';
+
+const logger = RMABLogger.create('API.HardcoverShelves');
+
+/**
+ * DELETE /api/user/hardcover-shelves/[id]
+ * Remove a Hardcover shelf subscription (ownership check)
+ */
+export async function DELETE(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> },
+) {
+  return requireAuth(request, async (req: AuthenticatedRequest) => {
+    try {
+      if (!req.user) {
+        return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+      }
+
+      const { id } = await params;
+
+      const shelf = await prisma.hardcoverShelf.findUnique({
+        where: { id },
+      });
+
+      if (!shelf) {
+        return NextResponse.json({ error: 'List not found' }, { status: 404 });
+      }
+
+      // Ownership check
+      if (shelf.userId !== req.user.id) {
+        return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
+      }
+
+      await prisma.hardcoverShelf.delete({ where: { id } });
+
+      return NextResponse.json({ success: true });
+    } catch (error) {
+      logger.error('Failed to delete list', {
+        error: error instanceof Error ? error.message : String(error),
+      });
+      return NextResponse.json(
+        { error: 'Failed to delete list' },
+        { status: 500 },
+      );
+    }
+  });
+}