fix: Browser mode 404 error for meeting-detail page

- Preserve query parameters (e.g., ?id=123) when opening in browser
- Add packaged mode detection for CLIENT_DIR path resolution
- Include client files in extraResources for backend to serve
- Add debug logging for client directory detection

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

client/package.json

@@ -41,6 +41,26 @@
       {
         "from": "config.json",
         "to": "config.json"
+      },
+      {
+        "from": "src/pages",
+        "to": "backend/client/pages",
+        "filter": ["**/*"]
+      },
+      {
+        "from": "src/styles",
+        "to": "backend/client/styles",
+        "filter": ["**/*"]
+      },
+      {
+        "from": "src/services",
+        "to": "backend/client/services",
+        "filter": ["**/*"]
+      },
+      {
+        "from": "src/config",
+        "to": "backend/client/config",
+        "filter": ["**/*"]
       }
     ],
     "win": {

client/src/main.js

@@ -734,10 +734,19 @@ ipcMain.handle("open-in-browser", async () => {
   const host = backendConfig.host || "127.0.0.1";
   const port = backendConfig.port || 8000;
 
-  // Determine the current page URL
+  // Determine the current page URL and preserve query parameters
   let currentPage = "login";
+  let queryString = "";
+
   if (mainWindow) {
     const currentUrl = mainWindow.webContents.getURL();
+
+    // Parse query string from current URL (e.g., ?id=123)
+    const urlMatch = currentUrl.match(/\?(.+)$/);
+    if (urlMatch) {
+      queryString = "?" + urlMatch[1];
+    }
+
     if (currentUrl.includes("meetings.html")) {
       currentPage = "meetings";
     } else if (currentUrl.includes("meeting-detail.html")) {
@@ -745,7 +754,7 @@ ipcMain.handle("open-in-browser", async () => {
     }
   }
 
-  const browserUrl = `http://${host}:${port}/${currentPage}`;
+  const browserUrl = `http://${host}:${port}/${currentPage}${queryString}`;
 
   try {
     await shell.openExternal(browserUrl);