Add owner-only manual database integrity check

app/api/admin/operations/route.ts

@@ -1,6 +1,6 @@
 import { env } from 'cloudflare:workers';
 import { AdminError, requireAdmin } from '@/db/admin-access';
-import { readAdminOperations } from '@/db/admin-operations';
+import { readAdminIntegrity, readAdminOperations } from '@/db/admin-operations';
 import { adminFailure, adminResponse, adminToken } from '@/lib/admin-http';
 import { buildRevision } from '@/lib/build-revision';
 
@@ -10,7 +10,11 @@ export async function GET(request: Request) {
     const expected = request.headers.get('X-Dune-Admin-Id');
     if (expected && expected !== identity.id)
       throw new AdminError('The signed-in administrator changed. Reload operations.', 401);
-    const counts = await readAdminOperations(env.DB, identity);
-    return adminResponse({ revision: buildRevision, ...counts });
+    const query = new URL(request.url).searchParams;
+    if (query.size && (query.size !== 1 || query.get('integrity') !== '1'))
+      throw new AdminError('Invalid operations request.', 400);
+    if (query.has('integrity'))
+      return adminResponse(await readAdminIntegrity(env.DB, identity));
+    return adminResponse({ revision: buildRevision, ...await readAdminOperations(env.DB, identity) });
   } catch (error) { return adminFailure(error); }
 }