[truncated — 848 more characters]
```
### server.ts
```typescript
import express from "express";
import path from "path";
import dotenv from "dotenv";
import { createServer as createViteServer } from "vite";
import OpenAI from "openai";
import { GoogleGenAI } from "@google/genai";
import puppeteer from 'puppeteer';
import cors from "cors";
dotenv.config();
const app = express();
app.use(
cors({
origin: [
"http://localhost:5173",
"http://localhost:3000",
"https://fintech-ai-wine.vercel.app",
],
methods: ["GET", "POST", "PUT", "DELETE", "OPTIONS"],
credentials: true,
}),
);
app.options("*", cors());
app.use(express.json());
const PORT = Number(process.env.PORT) || 3000;
// Initialize Groq Client (using the OpenAI SDK wrapper)
const groq = new OpenAI({
apiKey: process.env.GROQ_API_KEY,
baseURL: "https://api.groq.com/openai/v1",
});
// Initialize Gemini Client
const ai = new GoogleGenAI({
apiKey: process.env.GEMINI_API_KEY || "PLACEHOLDER",
httpOptions: {
headers: {
"User-Agent": "aistudio-build",
},
},
});
// ===============================
// Finance-Specialized System Prompt
// ===============================
const SYSTEM_PROMPT = `You are FinPilot AI — an elite AI Financial Copilot built for investors, traders, and everyday users who want to master their financial life.
## Your Expertise
You are a specialist in:
- **Personal Finance**: Budgeting, savings strategies, emergency funds, debt management, net worth tracking
- **Expense Analysis**: Spending patterns, category breakdowns, optimization opportunities, subscription audits
- **Stock Markets**: US markets (NYSE, NASDAQ), Indian markets (NSE, BSE), technical analysis, fundamental analysis
- **Investing**: Mutual funds, ETFs, index funds, SIPs, portfolio allocation, diversification strategies
- **Portfolio Analysis**: Risk assessment, Sharpe ratio, beta, sector concentration, rebalancing
- **Financial Planning**: Retirement planning, tax-efficient investing, insurance, estate planning
- **Crypto**: Bitcoin, Ethereum, major cryptocurrencies, DeFi basics, risk considerations
- **Market Intelligence**: Earnings analysis, macroeconomic indicators, sector trends, geopolitical impact
- **Indian Finance**: SEBI regulations, ELSS funds, PPF, NPS, gold bonds, FD rates, UPI, ITR filing tips
## STRICT BOUNDARIES (CRITICAL)
You are strictly a financial agent. If the user asks about ANYTHING other than finance, investing, money, markets, or economics (e.g., coding, cooking recipes, general chatting, sports scores, creative writing, etc.), you MUST decline and respond exactly with:
"I am a specialized financial agent. I can only assist with financial questions. What financial topics would you like to explore?"
Do NOT provide any information on non-financial topics.
## Response Style
- Be concise, clear, and professional — like a Bloomberg analyst meets a trusted advisor
- Use **bold** for key numbers, percentages, and important terms
- Use bullet points for lists and comparisons
- Use markdown tables for comparisons (e.g., stock A vs stock B)
- Format currency clearly: use $ for USD, ₹ for INR
- Always explain financial jargon in plain language
- When discussing investments, always mention relevant risks
- Never guarantee returns or give specific buy/sell signals
- Never recommend illegal financial activities
## Tone
Professional, trustworthy, and educational. Never condescending. Treat the user as a financially curious adult.`;
// ===============================
// Rule-based Custom Demo Responses
// ===============================
function getDemoResponse(userMessage: string): string {
const query = userMessage.trim().toLowerCase();
if (
query.includes("spend") ||
query.includes("expense") ||
query.includes("category")
) {
return `### 📊 Expense & Spending Analysis
Based on your transaction data, you have spent a total of **$4,250** so far this month, which is **12% lower** than this time last month! Great job optimizing your budget!
#### 🍕 Top Expense Categories:
| Category | Monthly Spend | Budget Limit | Status |
| :--- | :--- | :--- | :--- |
| **Housing (Rent)** | $2,100 | $2,100 | 🟢 On Track |
| **Dining Out** | $450 | $600 | 🟢 Saved $150 (⬇️ 28% decrease) |
| **Groceries** | $320 | $400 | 🟢 On Track |
| **Utilities** | $280 | $300 | 🟢 On Track |
| **Shopping** | $540 | $400 | 🔴 Over budget by $140 |
#### 💡 Insight and Recommendations:
- **Dining Out Saving**: By reducing restaurant dining, you saved **$150**! Consider routing this directly to your Emergency Fund or systematic investment plan.
- **Shopping Alert**: Shopping is **35% over budget**. Let's review non-essential subscription or impulse buys.
What would you like to explore next? Click an option below or type a custom question!`;
}
if (
query.includes("nvidia") ||
query.includes("nvda") ||
query.includes("stock") ||
query.includes("market")
) {
return `### 📈 Stock Intelligence & NVIDIA (NVDA) Report
**NVIDIA Corporation (NASDAQ: NVDA)** continues to demonstrate incredible financial strength, driven primarily by the sustained global demand for enterprise artificial intelligence chipsets and advanced GPU architectures.
#### 🔍 Key Stock Metrics:
| Metric | Value | Detail / Comparison |
| :--- | :--- | :--- |
| **Current Price** | **$125.50** | Trading within the 52-week range of $75.00 - $140.76 |
| **PE Ratio (TTM)** | **~70.4** | Reflects premium growth expectations relative to sector average (~32.0) |
| **YTD Return** | **+148.3%** | Significantly outperforming the S&P 500 (+14.2%) |
| **Next Earnings** | **Next Week** | Expected revenue growth consensus of +112% YoY |
#### 🚀 Primary Growth Drivers:
1. **AI & Data Center Dominance**: Blackwell architecture demand remains supply-constrained, ensuring high pricing power and fat gross margins (~75%).
2. **Hyperscaler CAPEX**: Major cloud providers (Google, Microsoft, AWS, Meta) continue to expand AI infrastructure budgets.
3. **Software Moat**: CUDA software pla
[truncated — 27361 more characters]
```
### supabaseClient.js
```javascript
import { createClient } from '@supabase/supabase-js'
const supabaseUrl = import.meta.env.VITE_SUPABASE_URL // your Project URL
const supabaseKey = import.meta.env.VITE_SUPABASE_ANON_KEY // your anon key
export const supabase = createClient(supabaseUrl, supabaseKey)
```
### index.html
```html
#FINPILOT-AI#
```
### fix-jsx.js
```javascript
const fs = require('fs');
let code = fs.readFileSync('src/components/NexusAI.jsx', 'utf8');
// The file has lines that are just ` }` or ` } ` etc.
// Let's replace any ` }\n` with `\n`.
code = code.replace(/^\s*}\s*$/gm, '');
fs.writeFileSync('src/components/NexusAI.jsx', code);
```
### vite.config.ts
```typescript
import tailwindcss from "@tailwindcss/vite";
import react from "@vitejs/plugin-react";
import path from "path";
import { defineConfig } from "vite";
export default defineConfig(() => ({
plugins: [react(), tailwindcss()],
resolve: {
alias: {
"@": path.resolve(__dirname, "."),
},
},
server: {
proxy: {
"/api": {
target: "http://localhost:3000",
changeOrigin: true,
},
},
hmr: process.env.DISABLE_HMR !== "true",
watch: process.env.DISABLE_HMR === "true" ? null : {},
},
}));
```
### src/supabaseClient.js
```javascript
// src/supabaseClient.js
// ONE shared Supabase connection for the whole app.
// Every component imports THIS — never create a second client.
// Why: the client holds the logged-in user's session (their JWT). If you make
// multiple clients, they don't share that session and auth breaks in confusing
// ways. One client = one source of truth for "who is logged in."
import { createClient } from '@supabase/supabase-js'
const supabaseUrl = import.meta.env.VITE_SUPABASE_URL
const supabaseKey = import.meta.env.VITE_SUPABASE_ANON_KEY
// Keep the app renderable when a new developer has not created a local .env
// file yet. App.tsx displays a clear setup screen instead of a blank page.
export const isSupabaseConfigured = Boolean(supabaseUrl && supabaseKey)
export const supabase = isSupabaseConfigured ? createClient(supabaseUrl, supabaseKey) : null
```
### src/lib/utils.js
```javascript
import { clsx } from "clsx";
import { twMerge } from "tailwind-merge";
function cn(...inputs) {
return twMerge(clsx(inputs));
}
export {
cn
};
```
[26 more indexed source files omitted to keep this export small. The full file list is in the Codebase structure section above.]