Feat: Add paper trading reset endpoint

app/api/reset/route.js

@@ -0,0 +1,12 @@
+import { NextResponse } from 'next/server';
+import fs from 'fs';
+
+export async function POST() {
+  try {
+    // Write a flag file that the worker polls for
+    fs.writeFileSync('/tmp/kalbot-reset-flag', 'reset');
+    return NextResponse.json({ success: true, message: 'Reset signal sent. Data will clear momentarily.' });
+  } catch (e) {
+    return NextResponse.json({ error: e.message }, { status: 500 });
+  }
+}