### Run Development Server

Source: https://github.com/coder-cr07/databaes/blob/master/README.md

Commands to start the local development environment using various package managers.

```bash
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
```

--------------------------------

### Fetch Products by Keyword

Source: https://context7.com/coder-cr07/databaes/llms.txt

Retrieves matching products from multiple sources with optional pagination seeds.

```typescript
import { fetchProductsByKeyword, FetchProductsOptions } from "@/data/products";

// Basic product search
const products = await fetchProductsByKeyword("laptop");

// With pagination seed for varied results
const options: FetchProductsOptions = { pageSeed: 42 };
const variedProducts = await fetchProductsByKeyword("jacket", options);

// Returns Product[] with up to 12 items:
// [
//   {
//     id: "dummyjson-1",
//     title: "MacBook Pro 14",
//     image: "https://cdn.dummyjson.com/...",
//     price: 1749.99,
//     link: "https://dummyjson.com/products/1"
//   },
//   ...
// ]
```

--------------------------------

### Implement WalletBar Component

Source: https://context7.com/coder-cr07/databaes/llms.txt

Displays the Algorand wallet connection status and auto-buy monitoring information.

```tsx
import { WalletBar } from "@/components/WalletBar";

<WalletBar
  walletAddress={walletAddress}           // null or "ABC123...XYZ" (Algorand address)
  onConnectWallet={connectPeraWallet}     // Async function to initiate Pera Wallet connection
  autoBuyStatus="Monitoring prices every 5 seconds..."
/>
```

--------------------------------

### Detect Product Keywords from Images

Source: https://context7.com/coder-cr07/databaes/llms.txt

Analyzes uploaded image data to identify product categories using a hint-based matching system.

```typescript
import { detectKeywordFromImage } from "@/data/products";

// Detect product category from uploaded image
const payload = {
  fileName: "blue-leather-jacket.jpg",
  imageDataUrl: "data:image/jpeg;base64,/9j/4AAQ..."
};

const keyword = await detectKeywordFromImage(payload);
// Returns: "jacket"

// Supported categories with hint matching:
// jacket, coat, headphone, watch, camera, laptop, phone, shoe, bag, shirt, dress, perfume
```

--------------------------------

### Integrate Pera Wallet with Algorand

Source: https://context7.com/coder-cr07/databaes/llms.txt

Handles Pera Wallet connection, session reconnection, and transaction signing for autonomous purchases on the Algorand testnet.

```typescript
import algosdk from "algosdk";
import { PeraWalletConnect } from "@perawallet/connect";

// Initialize Pera Wallet (testnet)
const peraWallet = new PeraWalletConnect({ chainId: 416002 });
const algodClient = new algosdk.Algodv2("", "https://testnet-api.algonode.cloud", "");

// Connect wallet
const connectWallet = async () => {
  const accounts = await peraWallet.connect();
  const walletAddress = accounts[0];
  console.log("Connected:", walletAddress);
};

// Reconnect existing session
const reconnect = async () => {
  const accounts = await peraWallet.reconnectSession();
  if (accounts.length > 0) {
    setWalletAddress(accounts[0]);
  }
};

// Execute auto-buy payment
const sendPayment = async (product: Product, walletAddress: string) => {
  const suggestedParams = await algodClient.getTransactionParams().do();

  const txn = algosdk.makePaymentTxnWithSuggestedParamsFromObject({
    sender: walletAddress,
    receiver: walletAddress,  // Demo: self-payment
    amount: 1000,             // microAlgos
    suggestedParams,
    note: new TextEncoder().encode(`AURA auto-buy: ${product.title}`),
  });

  const signedTxn = await peraWallet.signTransaction([[{ txn, signers: [walletAddress] }]]);
  const result = await algodClient.sendRawTransaction(signedTxn[0]).do();

  console.log("Transaction ID:", result.txId);
};
```

--------------------------------

### Implement PriceModal Component

Source: https://context7.com/coder-cr07/databaes/llms.txt

Displays a modal for setting target prices on products. Requires the PriceModal component and state management for the selected product.

```tsx
import { PriceModal } from "@/components/PriceModal";

const [selectedProduct, setSelectedProduct] = useState<Product | null>(null);

{selectedProduct && (
  <PriceModal
    productName={selectedProduct.title}
    onClose={() => setSelectedProduct(null)}
    onSave={(targetPrice: number) => {
      // Store target price and start tracking
      setTargetPrices(prev => ({ ...prev, [selectedProduct.id]: targetPrice }));
      setStatusMap(prev => ({ ...prev, [selectedProduct.id]: "tracking" }));
    }}
  />
)}
```

--------------------------------

### Implement ProductCard Component

Source: https://context7.com/coder-cr07/databaes/llms.txt

Displays individual product information with tracking status badge, target price display, and action buttons.

```tsx
import { ProductCard } from "@/components/ProductCard";
import { Product, TrackingStatus } from "@/types/product";

const product: Product = {
  id: "dummyjson-1",
  title: "Wireless Headphones Pro",
  image: "https://cdn.dummyjson.com/products/images/headphones.png",
  price: 149.99,
  link: "https://dummyjson.com/products/1"
};

<ProductCard
  product={product}
  status="tracking"           // "idle" | "tracking" | "success"
  targetPrice={129.99}        // User's target price (optional)
  onSetTarget={() => openPriceModal(product.id)}
/>

// Displays:
// - Product image with fallback handling
// - Title and current price
// - "View deal" link to external source
// - Status badge: "Not tracking", "Tracking price...", or "Ready to buy"
// - Target price if set
// - "Set Target Price" button
```

--------------------------------

### Define Application Routes

Source: https://context7.com/coder-cr07/databaes/llms.txt

Outlines the primary pages for the shopping workflow within the Next.js App Router structure.

```typescript
// src/app/page.tsx - Home/Landing page
// Displays hero section with "AI-NATIVE SHOPPING" tagline and "Get Started" CTA

// src/app/upload/page.tsx - Image upload page
// Drop zone for product images, triggers AI analysis on submit

// src/app/results/page.tsx - Product results page
// URL params: ?keyword=jacket&sig=12345
// Shows matching products, price tracking, wallet connection, auto-buy controls
```

--------------------------------

### Define Product and Tracking Types

Source: https://context7.com/coder-cr07/databaes/llms.txt

Defines the core data structures for products and tracking states used throughout the application.

```typescript
// src/types/product.ts
export type TrackingStatus = "idle" | "tracking" | "success";

export type Product = {
  id: string;
  title: string;
  image: string;
  price: number;
  link: string;
};
```

--------------------------------

### Implement Price Tracking and Auto-Buy Logic

Source: https://context7.com/coder-cr07/databaes/llms.txt

Uses useEffect hooks to poll product prices every 5 seconds and trigger transactions when target prices are met.

```typescript
// Track prices with 5-second polling
useEffect(() => {
  const trackingProducts = Object.entries(statusMap)
    .filter(([, status]) => status === "tracking")
    .map(([id]) => id);

  if (!trackingProducts.length) return;

  const timer = setInterval(() => {
    setCurrentPrices((prev) => {
      const next = { ...prev };
      for (const productId of trackingProducts) {
        const current = prev[productId];
        if (!current) continue;
        // Simulate price drift (0.94x to 1.0x)
        const drift = 0.94 + Math.random() * 0.06;
        next[productId] = Number((current * drift).toFixed(2));
      }
      return next;
    });
  }, 5000);

  return () => clearInterval(timer);
}, [statusMap]);

// Auto-buy when target price is reached
useEffect(() => {
  for (const product of products) {
    const target = targetPrices[product.id];
    if (!target || boughtProducts.includes(product.id)) continue;

    const current = currentPrices[product.id] ?? product.price;
    if (current <= target) {
      // Target hit! Execute purchase
      setStatusMap(prev => ({ ...prev, [product.id]: "success" }));
      await sendTestnetPayment(product);
      setBoughtProducts(prev => [...prev, product.id]);
    }
  }
}, [currentPrices, targetPrices, products]);
```

--------------------------------

### Implement UploadBox Component

Source: https://context7.com/coder-cr07/databaes/llms.txt

Provides drag-and-drop or click-to-select image upload functionality with preview display.

```tsx
import { UploadBox } from "@/components/UploadBox";

function UploadPage() {
  const [loading, setLoading] = useState(false);

  const handleAnalyze = async (payload: { fileName: string; imageDataUrl: string }) => {
    setLoading(true);
    try {
      // Process the uploaded image
      const keyword = await detectKeywordFromImage(payload);
      router.push(`/results?keyword=${encodeURIComponent(keyword)}`);
    } finally {
      setLoading(false);
    }
  };

  return <UploadBox onAnalyze={handleAnalyze} loading={loading} />;
}
```

--------------------------------

### Persist Tracking State with localStorage

Source: https://context7.com/coder-cr07/databaes/llms.txt

Uses localStorage to maintain target prices and tracking status across sessions. Requires a browser environment to access the window object.

```typescript
const STORAGE_KEY = "aura-tracking";

// Load tracking state on mount
function loadTrackingState(): { targetPrices: PriceMap; statusMap: StatusMap } {
  if (typeof window === "undefined") {
    return { targetPrices: {}, statusMap: {} };
  }
  const raw = localStorage.getItem(STORAGE_KEY);
  if (!raw) return { targetPrices: {}, statusMap: {} };

  const parsed = JSON.parse(raw);
  return {
    targetPrices: parsed.targetPrices ?? {},
    statusMap: parsed.statusMap ?? {},
  };
}

// Persist on every change
useEffect(() => {
  localStorage.setItem(STORAGE_KEY, JSON.stringify({ targetPrices, statusMap }));
}, [targetPrices, statusMap]);
```

--------------------------------

### Implement TransactionModal Component

Source: https://context7.com/coder-cr07/databaes/llms.txt

Displays blockchain transaction status with visual feedback. Handles automated state transitions from processing to confirmed.

```tsx
import { TransactionModal } from "@/components/TransactionModal";

<TransactionModal
  productName="Wireless Headphones Pro"
  auraAmount={149}                    // Amount in AURA tokens
  onClose={() => setShowTxModal(false)}
/>

// Stages:
// 1. "Processing on Algorand..." with spinner (2.2 seconds)
// 2. "Transaction Confirmed!" with success checkmark
// 3. Auto-closes after 4 seconds or manual "Done" button
// Displays truncated then full transaction ID
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.