Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/api/realtime.go

@@ -0,0 +1,35 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+// HandleRealtimeWebSocket handles WebSocket upgrade for realtime communication
+func (s *Server) HandleRealtimeWebSocket(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	sessionID := vars["id"]
+
+	if sessionID == "" {
+		writeError(w, http.StatusBadRequest, "session_id is required", nil)
+		return
+	}
+
+	// Get session to validate
+	_, err := s.sessionManager.GetSession(r.Context(), sessionID)
+	if err != nil {
+		writeError(w, http.StatusUnauthorized, "invalid session", err)
+		return
+	}
+
+	// Upgrade to WebSocket
+	if s.realtimeGateway != nil {
+		if err := s.realtimeGateway.HandleWebSocket(w, r, sessionID); err != nil {
+			writeError(w, http.StatusInternalServerError, "failed to upgrade connection", err)
+			return
+		}
+		return
+	}
+	writeError(w, http.StatusServiceUnavailable, "realtime gateway not available", nil)
+}