chore: remove luckysheet integration

src/lib/search/record-recent.ts

@@ -0,0 +1,14 @@
+export async function recordRecentPage(workspaceId: string | null, documentId: string) {
+  if (!workspaceId) {
+    return;
+  }
+  try {
+    await fetch("/api/search/recent", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ workspaceId, documentId }),
+    });
+  } catch (error) {
+    console.error("recordRecentPage failed", error);
+  }
+}