Feat: Add strategy enable/disable + pause API

app/api/live-toggle/route.js

@@ -0,0 +1,17 @@
+import { NextResponse } from 'next/server';
+import fs from 'fs';
+
+export async function POST(req) {
+  try {
+    const body = await req.json();
+    const { action, strategy } = body;
+
+    // Write command file that worker polls
+    const cmd = JSON.stringify({ action, strategy, ts: Date.now() });
+    fs.writeFileSync('/tmp/kalbot-live-cmd', cmd);
+
+    return NextResponse.json({ success: true, message: `Command "${action}" sent.` });
+  } catch (e) {
+    return NextResponse.json({ error: e.message }, { status: 500 });
+  }
+}