docs: update electron build instructions and fix electron asset paths

- Add web build prerequisite step to electron build docs
- Update electron run command to use npx
- Fix electron asset loading with improved path handling
- Add request interception for proper asset resolution
- Remove service worker files from electron build
- Improve debug logging for electron builds

src/electron/main.js

@@ -24,6 +24,46 @@ function createWindow() {
     },
   });
 
+  // Always open DevTools for now
+  mainWindow.webContents.openDevTools();
+
+  // Intercept requests to fix asset paths
+  mainWindow.webContents.session.webRequest.onBeforeRequest(
+    {
+      urls: [
+        "file://*/*/assets/*",
+        "file://*/assets/*",
+        "file:///assets/*", // Catch absolute paths
+        "<all_urls>", // Catch all URLs as a fallback
+      ],
+    },
+    (details, callback) => {
+      let url = details.url;
+      console.log("Intercepting asset request:", url);
+
+      // Handle paths that don't start with file://
+      if (!url.startsWith("file://") && url.includes("/assets/")) {
+        url = `file://${path.join(__dirname, "www", url)}`;
+      }
+
+      // Handle absolute paths starting with /assets/
+      if (url.includes("/assets/") && !url.includes("/www/assets/")) {
+        const baseDir = url.includes("dist-electron")
+          ? url.substring(
+              0,
+              url.indexOf("/dist-electron") + "/dist-electron".length,
+            )
+          : `file://${__dirname}`;
+        const assetPath = url.split("/assets/")[1];
+        const newUrl = `${baseDir}/www/assets/${assetPath}`;
+        console.log("Redirecting to:", newUrl);
+        callback({ redirectURL: newUrl });
+        return;
+      }
+
+      callback({}); // No redirect for other URLs
+    },
+  );
   // Debug info
   console.log("Debug Info:");
   console.log("Running in dev mode:", isDev);
@@ -34,6 +74,7 @@ function createWindow() {
   console.log("process.cwd():", process.cwd());
 
   const indexPath = path.join(__dirname, "www", "index.html");
+  console.log("Loading index from:", indexPath);
   console.log("www path:", path.join(__dirname, "www"));
   console.log("www assets path:", path.join(__dirname, "www", "assets"));