feat: Implement Walmart scraper and integrate with existing architecture

- Added Walmart scraper to scrape product data from Walmart.com, including category pages and product details.
- Introduced a stealth browser module to handle bot protection and improve scraping reliability.
- Created a SQLite database for tracking product history, price changes, stock events, and user favorites.
- Developed a Discord bot for user interaction, allowing location setting and stock checking at local stores.
- Implemented a favorites system to manage priority products and categories with custom notification settings.
- Added news aggregation module to fetch and analyze Pokemon TCG news from various sources.
- Created tools for API discovery and monitoring, including a backend monitor for detecting new products.
- Added unit tests for database operations, product filtering, and API endpoints to ensure functionality.
- Enhanced existing modules with improved error handling and logging for better maintainability.

chrome-extension/popup.js

@@ -13,6 +13,8 @@ document.addEventListener("DOMContentLoaded", async () => {
   document.getElementById("enabled").checked = config.enabled !== false;
   document.getElementById("notifyNew").checked = config.notifyNewProducts !== false;
   document.getElementById("notifyRestock").checked = config.notifyRestocks !== false;
+  document.getElementById("syncDashboard").checked = config.syncToDashboard !== false;
+  document.getElementById("dashboardUrl").value = config.dashboardUrl || "http://localhost:5000";
 
   // Update stats
   document.getElementById("productCount").textContent = stats.totalProducts || 0;
@@ -30,7 +32,9 @@ document.addEventListener("DOMContentLoaded", async () => {
       checkIntervalSeconds: parseInt(document.getElementById("interval").value) || 15,
       enabled: document.getElementById("enabled").checked,
       notifyNewProducts: document.getElementById("notifyNew").checked,
-      notifyRestocks: document.getElementById("notifyRestock").checked
+      notifyRestocks: document.getElementById("notifyRestock").checked,
+      syncToDashboard: document.getElementById("syncDashboard").checked,
+      dashboardUrl: document.getElementById("dashboardUrl").value.trim() || "http://localhost:5000"
     };
 
     await chrome.runtime.sendMessage({ type: "saveConfig", config: newConfig });
@@ -52,6 +56,16 @@ document.addEventListener("DOMContentLoaded", async () => {
       showSaved("History cleared!");
     }
   });
+
+  // Sync to Dashboard button
+  document.getElementById("syncBtn").addEventListener("click", async () => {
+    const result = await chrome.runtime.sendMessage({ type: "syncToDashboard" });
+    if (result.success) {
+      showSaved(`Synced! ${result.total_skus || 0} SKUs, ${result.total_products || 0} products`);
+    } else {
+      showSaved("Sync failed - is dashboard running?");
+    }
+  });
 });
 
 function updateStatus(enabled) {