Refactor(Web): Extract embedded HTML to server/web/index.html

server/2015Remote/WebService.cpp

@@ -255,6 +255,9 @@ void CWebService::ServerThread(int port) {
 
     // Serve static HTML page and file downloads
     static std::string cachedHtml = GetWebPageHTML();
+    // Log loaded size; zero bytes means the RC BINARY resource is missing or
+    // server/web/index.html was not embedded — check 2015Remote.rc and rebuild.
+    Mprintf("[WebService] index.html loaded: %zu bytes\n", cachedHtml.size());
     std::string payloadsDir = m_PayloadsDir;  // Capture for lambda
 
     // 静态资源缓存：xterm.js / xterm.css / fit-addon。RC binary 资源加载一次缓存到内存，