Add prototype structure for banking demo

.env.example

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+# Environment variables for the demo
+OPENAI_API_KEY=

backend/.gitignore

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+__pycache__
+*.pyc

backend/README.md

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+# Backend
+
+This folder contains the Python backend using FastAPI and the OpenAI Agents SDK.
+Run `uvicorn backend.main:app --reload` to start the development server.

backend/main.py

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+from fastapi import FastAPI
+
+app = FastAPI()
+
+
+@app.get("/health")
+def health() -> dict[str, str]:
+    return {"status": "ok"}

backend/pyproject.toml

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+[project]
+name = "banking-backend"
+version = "0.1.0"
+requires-python = ">=3.11"
+dependencies = [
+    "fastapi",
+    "uvicorn",
+    "openai",
+]
+
+[tool.ruff]
+line-length = 88

backend/tests/test_main.py

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+from fastapi.testclient import TestClient
+from backend.main import app
+
+
+def test_health() -> None:
+    client = TestClient(app)
+    response = client.get("/health")
+    assert response.status_code == 200
+    assert response.json() == {"status": "ok"}

docs/banking-demo.md

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+# Agentic Private Banker Demo
+
+This document provides a high-level overview of the multi-agent banking prototype.

frontend/.gitignore

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+node_modules
+.next
+out

frontend/README.md

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+# Frontend
+
+This folder contains the NextJS frontend for the Agentic Private Banker demo.
+Run `npm install` and `npm run dev` to start the development server.

frontend/next.config.js

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+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  reactStrictMode: true,
+};
+
+module.exports = nextConfig;

frontend/package.json

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+{
+  "name": "banking-frontend",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start"
+  },
+  "dependencies": {
+    "next": "latest",
+    "react": "latest",
+    "react-dom": "latest"
+  }
+}

frontend/pages/index.tsx

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+import React from 'react';
+
+export default function Home() {
+  return (
+    <div>
+      <h1>Agentic Private Banker (Demo)</h1>
+      <p>Prototype frontend using NextJS.</p>
+    </div>
+  );
+}

frontend/tests/example.test.ts

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+// Placeholder test file for frontend
+export {}; // to make this a module

frontend/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": false,
+    "forceConsistentCasingInFileNames": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve"
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
+  "exclude": ["node_modules"]
+}

start.sh

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+#!/bin/bash
+# Start frontend and backend for the Agentic Private Banker demo
+
+( cd backend && uvicorn backend.main:app --reload & )
+( cd frontend && npm run dev & )
+wait