Refactor error handling and localDb structure, and fix usage tracking bug.

src/app/api/cli-tools/claude-settings/route.js

@@ -120,6 +120,7 @@ export async function POST(request) {
     // Merge new env with existing settings
     const newSettings = {
       ...currentSettings,
+      hasCompletedOnboarding: true,
       env: {
         ...(currentSettings.env || {}),
         ...env,

src/app/api/tunnel/status/route.js

@@ -1,10 +1,12 @@
 import { NextResponse } from "next/server";
 import { getTunnelStatus, getTailscaleStatus } from "@/lib/tunnel/tunnelManager";
+import { getDownloadStatus } from "@/lib/tunnel/cloudflared";
 
 export async function GET() {
   try {
     const [tunnel, tailscale] = await Promise.all([getTunnelStatus(), getTailscaleStatus()]);
-    return NextResponse.json({ tunnel, tailscale });
+    const download = getDownloadStatus();
+    return NextResponse.json({ tunnel, tailscale, download });
   } catch (error) {
     console.error("Tunnel status error:", error);
     return NextResponse.json({ error: error.message }, { status: 500 });