v0.4.8 - Implement web server functionality for embedded admin interface - serve HTML/CSS/JS from /api/ endpoint with proper MIME types, CORS headers, and performance optimizations

src/websockets.h

@@ -34,6 +34,7 @@ struct per_session_data {
 
 // NIP-11 HTTP session data structure for managing buffer lifetime
 struct nip11_session_data {
+    int type; // 0 for NIP-11
     char* json_buffer;
     size_t json_length;
     int headers_sent;